./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-queue-add-2-nl.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-queue-add-2-nl.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 c80601716e9c0111d78d12f0a88108c91b0aa7215f8e775685e33490f22c8502 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 19:13:20,418 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 19:13:20,419 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 19:13:20,444 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 19:13:20,445 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 19:13:20,446 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 19:13:20,447 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 19:13:20,449 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 19:13:20,451 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 19:13:20,452 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 19:13:20,452 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 19:13:20,454 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 19:13:20,454 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 19:13:20,455 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 19:13:20,456 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 19:13:20,457 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 19:13:20,458 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 19:13:20,459 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 19:13:20,460 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 19:13:20,461 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 19:13:20,463 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 19:13:20,464 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 19:13:20,465 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 19:13:20,466 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 19:13:20,469 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 19:13:20,469 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 19:13:20,470 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 19:13:20,471 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 19:13:20,471 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 19:13:20,472 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 19:13:20,472 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 19:13:20,473 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 19:13:20,474 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 19:13:20,474 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 19:13:20,475 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 19:13:20,476 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 19:13:20,476 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 19:13:20,477 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 19:13:20,477 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 19:13:20,478 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 19:13:20,478 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 19:13:20,480 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 19:13:20,521 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 19:13:20,521 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 19:13:20,522 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 19:13:20,523 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 19:13:20,523 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 19:13:20,524 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 19:13:20,525 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 19:13:20,525 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 19:13:20,525 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 19:13:20,525 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 19:13:20,526 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 19:13:20,526 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 19:13:20,527 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 19:13:20,527 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 19:13:20,527 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 19:13:20,527 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 19:13:20,527 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 19:13:20,528 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 19:13:20,528 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 19:13:20,528 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 19:13:20,528 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 19:13:20,528 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 19:13:20,529 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 19:13:20,529 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 19:13:20,529 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 19:13:20,529 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 19:13:20,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 19:13:20,530 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 19:13:20,530 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 19:13:20,530 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 19:13:20,530 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 19:13:20,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 19:13:20,531 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 19:13:20,531 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 19:13:20,531 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 19:13:20,531 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 19:13:20,532 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 19:13:20,532 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c80601716e9c0111d78d12f0a88108c91b0aa7215f8e775685e33490f22c8502 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 19:13:20,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 19:13:20,853 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 19:13:20,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 19:13:20,857 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 19:13:20,857 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 19:13:20,859 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-queue-add-2-nl.wvr.c [2023-08-29 19:13:22,160 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 19:13:22,344 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 19:13:22,345 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-queue-add-2-nl.wvr.c [2023-08-29 19:13:22,351 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b547bda87/f5d61d1dc39b476e89cfba26605bcdcf/FLAGf7c9242f7 [2023-08-29 19:13:22,364 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b547bda87/f5d61d1dc39b476e89cfba26605bcdcf [2023-08-29 19:13:22,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 19:13:22,367 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 19:13:22,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 19:13:22,369 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 19:13:22,372 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 19:13:22,372 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 07:13:22" (1/1) ... [2023-08-29 19:13:22,373 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@289be566 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:13:22, skipping insertion in model container [2023-08-29 19:13:22,373 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 07:13:22" (1/1) ... [2023-08-29 19:13:22,379 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 19:13:22,394 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 19:13:22,589 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/popl20-more-queue-add-2-nl.wvr.c[2870,2883] [2023-08-29 19:13:22,600 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 19:13:22,621 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 19:13:22,671 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/popl20-more-queue-add-2-nl.wvr.c[2870,2883] [2023-08-29 19:13:22,682 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 19:13:22,693 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 19:13:22,695 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 19:13:22,701 INFO L208 MainTranslator]: Completed translation [2023-08-29 19:13:22,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:13:22 WrapperNode [2023-08-29 19:13:22,701 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 19:13:22,703 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 19:13:22,703 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 19:13:22,703 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 19:13:22,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:13:22" (1/1) ... [2023-08-29 19:13:22,730 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:13:22" (1/1) ... [2023-08-29 19:13:22,771 INFO L138 Inliner]: procedures = 25, calls = 39, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 346 [2023-08-29 19:13:22,773 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 19:13:22,773 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 19:13:22,777 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 19:13:22,777 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 19:13:22,784 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:13:22" (1/1) ... [2023-08-29 19:13:22,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:13:22" (1/1) ... [2023-08-29 19:13:22,796 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:13:22" (1/1) ... [2023-08-29 19:13:22,798 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:13:22" (1/1) ... [2023-08-29 19:13:22,814 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:13:22" (1/1) ... [2023-08-29 19:13:22,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:13:22" (1/1) ... [2023-08-29 19:13:22,830 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:13:22" (1/1) ... [2023-08-29 19:13:22,835 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:13:22" (1/1) ... [2023-08-29 19:13:22,838 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 19:13:22,839 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 19:13:22,839 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 19:13:22,839 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 19:13:22,840 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:13:22" (1/1) ... [2023-08-29 19:13:22,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 19:13:22,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 19:13:22,870 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 19:13:22,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 19:13:22,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 19:13:22,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 19:13:22,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 19:13:22,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 19:13:22,895 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 19:13:22,895 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 19:13:22,895 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 19:13:22,895 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 19:13:22,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 19:13:22,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-29 19:13:22,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-29 19:13:22,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 19:13:22,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 19:13:22,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 19:13:22,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 19:13:22,898 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 19:13:22,989 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 19:13:22,990 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 19:13:23,600 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 19:13:23,853 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 19:13:23,854 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-08-29 19:13:23,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 07:13:23 BoogieIcfgContainer [2023-08-29 19:13:23,856 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 19:13:23,858 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 19:13:23,858 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 19:13:23,860 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 19:13:23,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 07:13:22" (1/3) ... [2023-08-29 19:13:23,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@587bd957 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 07:13:23, skipping insertion in model container [2023-08-29 19:13:23,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:13:22" (2/3) ... [2023-08-29 19:13:23,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@587bd957 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 07:13:23, skipping insertion in model container [2023-08-29 19:13:23,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 07:13:23" (3/3) ... [2023-08-29 19:13:23,863 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-queue-add-2-nl.wvr.c [2023-08-29 19:13:23,871 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 19:13:23,879 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 19:13:23,880 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 55 error locations. [2023-08-29 19:13:23,880 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 19:13:23,977 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 19:13:24,075 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 282 places, 287 transitions, 590 flow [2023-08-29 19:13:24,186 INFO L130 PetriNetUnfolder]: 12/285 cut-off events. [2023-08-29 19:13:24,186 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 19:13:24,195 INFO L83 FinitePrefix]: Finished finitePrefix Result has 294 conditions, 285 events. 12/285 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 515 event pairs, 0 based on Foata normal form. 0/218 useless extension candidates. Maximal degree in co-relation 189. Up to 3 conditions per place. [2023-08-29 19:13:24,195 INFO L82 GeneralOperation]: Start removeDead. Operand has 282 places, 287 transitions, 590 flow [2023-08-29 19:13:24,206 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 264 places, 267 transitions, 546 flow [2023-08-29 19:13:24,210 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 19:13:24,229 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 264 places, 267 transitions, 546 flow [2023-08-29 19:13:24,233 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 264 places, 267 transitions, 546 flow [2023-08-29 19:13:24,233 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 264 places, 267 transitions, 546 flow [2023-08-29 19:13:24,284 INFO L130 PetriNetUnfolder]: 10/267 cut-off events. [2023-08-29 19:13:24,285 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 19:13:24,286 INFO L83 FinitePrefix]: Finished finitePrefix Result has 276 conditions, 267 events. 10/267 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 482 event pairs, 0 based on Foata normal form. 0/203 useless extension candidates. Maximal degree in co-relation 189. Up to 3 conditions per place. [2023-08-29 19:13:24,290 INFO L119 LiptonReduction]: Number of co-enabled transitions 8244 [2023-08-29 19:13:32,005 INFO L134 LiptonReduction]: Checked pairs total: 25726 [2023-08-29 19:13:32,006 INFO L136 LiptonReduction]: Total number of compositions: 312 [2023-08-29 19:13:32,019 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 19:13:32,024 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;@7c5477fc, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 19:13:32,025 INFO L358 AbstractCegarLoop]: Starting to check reachability of 96 error locations. [2023-08-29 19:13:32,026 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 19:13:32,026 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 19:13:32,026 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:13:32,027 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 19:13:32,027 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE, thread1Err15ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-08-29 19:13:32,031 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:13:32,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1428, now seen corresponding path program 1 times [2023-08-29 19:13:32,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:13:32,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080084512] [2023-08-29 19:13:32,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:13:32,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:13:32,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:13:32,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 19:13:32,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:13:32,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080084512] [2023-08-29 19:13:32,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080084512] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:13:32,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:13:32,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 19:13:32,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279747061] [2023-08-29 19:13:32,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:13:32,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 19:13:32,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:13:32,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 19:13:32,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 19:13:32,162 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 599 [2023-08-29 19:13:32,167 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 86 transitions, 184 flow. Second operand has 2 states, 2 states have (on average 245.5) internal successors, (491), 2 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:32,167 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:13:32,167 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 599 [2023-08-29 19:13:32,168 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:13:32,279 INFO L130 PetriNetUnfolder]: 141/309 cut-off events. [2023-08-29 19:13:32,279 INFO L131 PetriNetUnfolder]: For 22/36 co-relation queries the response was YES. [2023-08-29 19:13:32,282 INFO L83 FinitePrefix]: Finished finitePrefix Result has 572 conditions, 309 events. 141/309 cut-off events. For 22/36 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1238 event pairs, 101 based on Foata normal form. 1/257 useless extension candidates. Maximal degree in co-relation 484. Up to 238 conditions per place. [2023-08-29 19:13:32,285 INFO L137 encePairwiseOnDemand]: 548/599 looper letters, 20 selfloop transitions, 0 changer transitions 1/35 dead transitions. [2023-08-29 19:13:32,285 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 35 transitions, 124 flow [2023-08-29 19:13:32,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 19:13:32,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 19:13:32,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 562 transitions. [2023-08-29 19:13:32,303 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4691151919866444 [2023-08-29 19:13:32,304 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 562 transitions. [2023-08-29 19:13:32,304 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 562 transitions. [2023-08-29 19:13:32,308 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:13:32,310 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 562 transitions. [2023-08-29 19:13:32,315 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 281.0) internal successors, (562), 2 states have internal predecessors, (562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:32,321 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 599.0) internal successors, (1797), 3 states have internal predecessors, (1797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:32,322 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 599.0) internal successors, (1797), 3 states have internal predecessors, (1797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:32,324 INFO L175 Difference]: Start difference. First operand has 89 places, 86 transitions, 184 flow. Second operand 2 states and 562 transitions. [2023-08-29 19:13:32,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 35 transitions, 124 flow [2023-08-29 19:13:32,328 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 35 transitions, 116 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 19:13:32,330 INFO L231 Difference]: Finished difference. Result has 36 places, 34 transitions, 71 flow [2023-08-29 19:13:32,331 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=599, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=71, PETRI_PLACES=36, PETRI_TRANSITIONS=34} [2023-08-29 19:13:32,335 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -53 predicate places. [2023-08-29 19:13:32,336 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 34 transitions, 71 flow [2023-08-29 19:13:32,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 245.5) internal successors, (491), 2 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:32,339 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:13:32,340 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:13:32,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 19:13:32,341 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE, thread1Err15ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-08-29 19:13:32,342 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:13:32,342 INFO L85 PathProgramCache]: Analyzing trace with hash 574258219, now seen corresponding path program 1 times [2023-08-29 19:13:32,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:13:32,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882169981] [2023-08-29 19:13:32,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:13:32,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:13:32,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:13:32,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 19:13:32,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:13:32,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882169981] [2023-08-29 19:13:32,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882169981] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:13:32,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:13:32,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 19:13:32,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516858604] [2023-08-29 19:13:32,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:13:32,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 19:13:32,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:13:32,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 19:13:32,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 19:13:32,550 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 235 out of 599 [2023-08-29 19:13:32,551 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 34 transitions, 71 flow. Second operand has 3 states, 3 states have (on average 237.0) internal successors, (711), 3 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:32,552 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:13:32,552 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 235 of 599 [2023-08-29 19:13:32,552 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:13:32,645 INFO L130 PetriNetUnfolder]: 175/332 cut-off events. [2023-08-29 19:13:32,645 INFO L131 PetriNetUnfolder]: For 5/38 co-relation queries the response was YES. [2023-08-29 19:13:32,646 INFO L83 FinitePrefix]: Finished finitePrefix Result has 636 conditions, 332 events. 175/332 cut-off events. For 5/38 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1237 event pairs, 32 based on Foata normal form. 1/278 useless extension candidates. Maximal degree in co-relation 633. Up to 244 conditions per place. [2023-08-29 19:13:32,647 INFO L137 encePairwiseOnDemand]: 593/599 looper letters, 27 selfloop transitions, 3 changer transitions 0/41 dead transitions. [2023-08-29 19:13:32,648 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 41 transitions, 146 flow [2023-08-29 19:13:32,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 19:13:32,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 19:13:32,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 738 transitions. [2023-08-29 19:13:32,650 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41068447412353926 [2023-08-29 19:13:32,651 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 738 transitions. [2023-08-29 19:13:32,651 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 738 transitions. [2023-08-29 19:13:32,651 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:13:32,651 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 738 transitions. [2023-08-29 19:13:32,653 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 246.0) internal successors, (738), 3 states have internal predecessors, (738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:32,657 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 599.0) internal successors, (2396), 4 states have internal predecessors, (2396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:32,658 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 599.0) internal successors, (2396), 4 states have internal predecessors, (2396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:32,658 INFO L175 Difference]: Start difference. First operand has 36 places, 34 transitions, 71 flow. Second operand 3 states and 738 transitions. [2023-08-29 19:13:32,658 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 41 transitions, 146 flow [2023-08-29 19:13:32,659 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 41 transitions, 146 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 19:13:32,660 INFO L231 Difference]: Finished difference. Result has 35 places, 34 transitions, 86 flow [2023-08-29 19:13:32,660 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=599, PETRI_DIFFERENCE_MINUEND_FLOW=65, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=86, PETRI_PLACES=35, PETRI_TRANSITIONS=34} [2023-08-29 19:13:32,661 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -54 predicate places. [2023-08-29 19:13:32,661 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 34 transitions, 86 flow [2023-08-29 19:13:32,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 237.0) internal successors, (711), 3 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:32,680 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:13:32,681 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:13:32,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 19:13:32,681 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE, thread1Err15ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-08-29 19:13:32,684 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:13:32,684 INFO L85 PathProgramCache]: Analyzing trace with hash -2037123029, now seen corresponding path program 1 times [2023-08-29 19:13:32,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:13:32,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503875155] [2023-08-29 19:13:32,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:13:32,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:13:32,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:13:33,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 19:13:33,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:13:33,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503875155] [2023-08-29 19:13:33,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503875155] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:13:33,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:13:33,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 19:13:33,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997282748] [2023-08-29 19:13:33,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:13:33,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 19:13:33,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:13:33,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 19:13:33,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 19:13:33,218 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 232 out of 599 [2023-08-29 19:13:33,219 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 34 transitions, 86 flow. Second operand has 6 states, 6 states have (on average 233.66666666666666) internal successors, (1402), 6 states have internal predecessors, (1402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:33,219 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:13:33,219 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 232 of 599 [2023-08-29 19:13:33,220 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:13:33,505 INFO L130 PetriNetUnfolder]: 547/861 cut-off events. [2023-08-29 19:13:33,505 INFO L131 PetriNetUnfolder]: For 144/144 co-relation queries the response was YES. [2023-08-29 19:13:33,506 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1934 conditions, 861 events. 547/861 cut-off events. For 144/144 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 3474 event pairs, 40 based on Foata normal form. 0/735 useless extension candidates. Maximal degree in co-relation 1930. Up to 292 conditions per place. [2023-08-29 19:13:33,509 INFO L137 encePairwiseOnDemand]: 594/599 looper letters, 79 selfloop transitions, 4 changer transitions 0/89 dead transitions. [2023-08-29 19:13:33,510 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 89 transitions, 422 flow [2023-08-29 19:13:33,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 19:13:33,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 19:13:33,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1461 transitions. [2023-08-29 19:13:33,514 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4065108514190317 [2023-08-29 19:13:33,514 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1461 transitions. [2023-08-29 19:13:33,514 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1461 transitions. [2023-08-29 19:13:33,515 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:13:33,515 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1461 transitions. [2023-08-29 19:13:33,518 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 243.5) internal successors, (1461), 6 states have internal predecessors, (1461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:33,523 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 599.0) internal successors, (4193), 7 states have internal predecessors, (4193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:33,525 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 599.0) internal successors, (4193), 7 states have internal predecessors, (4193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:33,525 INFO L175 Difference]: Start difference. First operand has 35 places, 34 transitions, 86 flow. Second operand 6 states and 1461 transitions. [2023-08-29 19:13:33,525 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 89 transitions, 422 flow [2023-08-29 19:13:33,526 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 89 transitions, 422 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 19:13:33,528 INFO L231 Difference]: Finished difference. Result has 39 places, 33 transitions, 92 flow [2023-08-29 19:13:33,528 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=599, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=92, PETRI_PLACES=39, PETRI_TRANSITIONS=33} [2023-08-29 19:13:33,529 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -50 predicate places. [2023-08-29 19:13:33,529 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 33 transitions, 92 flow [2023-08-29 19:13:33,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 233.66666666666666) internal successors, (1402), 6 states have internal predecessors, (1402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:33,530 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:13:33,530 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] [2023-08-29 19:13:33,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 19:13:33,530 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE, thread1Err15ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-08-29 19:13:33,531 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:13:33,531 INFO L85 PathProgramCache]: Analyzing trace with hash -701700102, now seen corresponding path program 1 times [2023-08-29 19:13:33,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:13:33,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004703256] [2023-08-29 19:13:33,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:13:33,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:13:33,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:13:33,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 19:13:33,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:13:33,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004703256] [2023-08-29 19:13:33,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004703256] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:13:33,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:13:33,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 19:13:33,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868013016] [2023-08-29 19:13:33,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:13:33,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-29 19:13:33,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:13:33,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-29 19:13:33,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-29 19:13:33,666 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 239 out of 599 [2023-08-29 19:13:33,667 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 33 transitions, 92 flow. Second operand has 4 states, 4 states have (on average 241.75) internal successors, (967), 4 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:33,667 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:13:33,667 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 239 of 599 [2023-08-29 19:13:33,668 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:13:33,763 INFO L130 PetriNetUnfolder]: 176/351 cut-off events. [2023-08-29 19:13:33,763 INFO L131 PetriNetUnfolder]: For 69/83 co-relation queries the response was YES. [2023-08-29 19:13:33,764 INFO L83 FinitePrefix]: Finished finitePrefix Result has 815 conditions, 351 events. 176/351 cut-off events. For 69/83 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1344 event pairs, 115 based on Foata normal form. 8/305 useless extension candidates. Maximal degree in co-relation 810. Up to 292 conditions per place. [2023-08-29 19:13:33,765 INFO L137 encePairwiseOnDemand]: 593/599 looper letters, 22 selfloop transitions, 2 changer transitions 6/40 dead transitions. [2023-08-29 19:13:33,765 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 40 transitions, 170 flow [2023-08-29 19:13:33,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-29 19:13:33,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-29 19:13:33,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 986 transitions. [2023-08-29 19:13:33,769 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41151919866444076 [2023-08-29 19:13:33,769 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 986 transitions. [2023-08-29 19:13:33,769 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 986 transitions. [2023-08-29 19:13:33,770 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:13:33,770 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 986 transitions. [2023-08-29 19:13:33,772 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 246.5) internal successors, (986), 4 states have internal predecessors, (986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:33,776 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 599.0) internal successors, (2995), 5 states have internal predecessors, (2995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:33,777 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 599.0) internal successors, (2995), 5 states have internal predecessors, (2995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:33,777 INFO L175 Difference]: Start difference. First operand has 39 places, 33 transitions, 92 flow. Second operand 4 states and 986 transitions. [2023-08-29 19:13:33,777 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 40 transitions, 170 flow [2023-08-29 19:13:33,778 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 40 transitions, 161 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 19:13:33,779 INFO L231 Difference]: Finished difference. Result has 40 places, 34 transitions, 103 flow [2023-08-29 19:13:33,779 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=599, PETRI_DIFFERENCE_MINUEND_FLOW=85, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=103, PETRI_PLACES=40, PETRI_TRANSITIONS=34} [2023-08-29 19:13:33,780 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -49 predicate places. [2023-08-29 19:13:33,780 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 34 transitions, 103 flow [2023-08-29 19:13:33,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 241.75) internal successors, (967), 4 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:33,781 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:13:33,781 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, 1] [2023-08-29 19:13:33,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 19:13:33,782 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE, thread1Err15ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-08-29 19:13:33,782 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:13:33,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1608025692, now seen corresponding path program 1 times [2023-08-29 19:13:33,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:13:33,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529106304] [2023-08-29 19:13:33,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:13:33,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:13:33,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:13:34,104 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 19:13:34,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:13:34,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529106304] [2023-08-29 19:13:34,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529106304] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:13:34,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:13:34,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 19:13:34,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748904277] [2023-08-29 19:13:34,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:13:34,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 19:13:34,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:13:34,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 19:13:34,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 19:13:34,205 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 232 out of 599 [2023-08-29 19:13:34,207 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 34 transitions, 103 flow. Second operand has 6 states, 6 states have (on average 234.66666666666666) internal successors, (1408), 6 states have internal predecessors, (1408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:34,207 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:13:34,207 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 232 of 599 [2023-08-29 19:13:34,207 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:13:34,379 INFO L130 PetriNetUnfolder]: 195/353 cut-off events. [2023-08-29 19:13:34,379 INFO L131 PetriNetUnfolder]: For 58/72 co-relation queries the response was YES. [2023-08-29 19:13:34,380 INFO L83 FinitePrefix]: Finished finitePrefix Result has 882 conditions, 353 events. 195/353 cut-off events. For 58/72 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1261 event pairs, 110 based on Foata normal form. 0/301 useless extension candidates. Maximal degree in co-relation 875. Up to 283 conditions per place. [2023-08-29 19:13:34,380 INFO L137 encePairwiseOnDemand]: 594/599 looper letters, 0 selfloop transitions, 0 changer transitions 53/53 dead transitions. [2023-08-29 19:13:34,380 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 53 transitions, 253 flow [2023-08-29 19:13:34,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 19:13:34,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 19:13:34,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1437 transitions. [2023-08-29 19:13:34,384 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3998330550918197 [2023-08-29 19:13:34,385 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1437 transitions. [2023-08-29 19:13:34,385 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1437 transitions. [2023-08-29 19:13:34,385 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:13:34,386 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1437 transitions. [2023-08-29 19:13:34,388 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 239.5) internal successors, (1437), 6 states have internal predecessors, (1437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:34,393 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 599.0) internal successors, (4193), 7 states have internal predecessors, (4193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:34,394 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 599.0) internal successors, (4193), 7 states have internal predecessors, (4193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:34,394 INFO L175 Difference]: Start difference. First operand has 40 places, 34 transitions, 103 flow. Second operand 6 states and 1437 transitions. [2023-08-29 19:13:34,395 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 53 transitions, 253 flow [2023-08-29 19:13:34,396 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 53 transitions, 249 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-29 19:13:34,396 INFO L231 Difference]: Finished difference. Result has 42 places, 0 transitions, 0 flow [2023-08-29 19:13:34,396 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=599, PETRI_DIFFERENCE_MINUEND_FLOW=97, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=42, PETRI_TRANSITIONS=0} [2023-08-29 19:13:34,397 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -47 predicate places. [2023-08-29 19:13:34,397 INFO L495 AbstractCegarLoop]: Abstraction has has 42 places, 0 transitions, 0 flow [2023-08-29 19:13:34,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 234.66666666666666) internal successors, (1408), 6 states have internal predecessors, (1408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:34,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (95 of 96 remaining) [2023-08-29 19:13:34,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (94 of 96 remaining) [2023-08-29 19:13:34,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (93 of 96 remaining) [2023-08-29 19:13:34,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (92 of 96 remaining) [2023-08-29 19:13:34,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (91 of 96 remaining) [2023-08-29 19:13:34,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (90 of 96 remaining) [2023-08-29 19:13:34,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (89 of 96 remaining) [2023-08-29 19:13:34,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (88 of 96 remaining) [2023-08-29 19:13:34,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (87 of 96 remaining) [2023-08-29 19:13:34,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (86 of 96 remaining) [2023-08-29 19:13:34,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (85 of 96 remaining) [2023-08-29 19:13:34,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (84 of 96 remaining) [2023-08-29 19:13:34,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (83 of 96 remaining) [2023-08-29 19:13:34,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (82 of 96 remaining) [2023-08-29 19:13:34,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (81 of 96 remaining) [2023-08-29 19:13:34,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (80 of 96 remaining) [2023-08-29 19:13:34,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (79 of 96 remaining) [2023-08-29 19:13:34,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (78 of 96 remaining) [2023-08-29 19:13:34,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (77 of 96 remaining) [2023-08-29 19:13:34,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (76 of 96 remaining) [2023-08-29 19:13:34,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (75 of 96 remaining) [2023-08-29 19:13:34,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (74 of 96 remaining) [2023-08-29 19:13:34,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (73 of 96 remaining) [2023-08-29 19:13:34,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (72 of 96 remaining) [2023-08-29 19:13:34,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (71 of 96 remaining) [2023-08-29 19:13:34,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (70 of 96 remaining) [2023-08-29 19:13:34,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (69 of 96 remaining) [2023-08-29 19:13:34,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (68 of 96 remaining) [2023-08-29 19:13:34,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (67 of 96 remaining) [2023-08-29 19:13:34,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (66 of 96 remaining) [2023-08-29 19:13:34,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (65 of 96 remaining) [2023-08-29 19:13:34,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (64 of 96 remaining) [2023-08-29 19:13:34,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (63 of 96 remaining) [2023-08-29 19:13:34,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (62 of 96 remaining) [2023-08-29 19:13:34,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (61 of 96 remaining) [2023-08-29 19:13:34,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (60 of 96 remaining) [2023-08-29 19:13:34,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (59 of 96 remaining) [2023-08-29 19:13:34,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (58 of 96 remaining) [2023-08-29 19:13:34,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (57 of 96 remaining) [2023-08-29 19:13:34,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (56 of 96 remaining) [2023-08-29 19:13:34,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (55 of 96 remaining) [2023-08-29 19:13:34,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (54 of 96 remaining) [2023-08-29 19:13:34,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (53 of 96 remaining) [2023-08-29 19:13:34,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (52 of 96 remaining) [2023-08-29 19:13:34,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (51 of 96 remaining) [2023-08-29 19:13:34,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (50 of 96 remaining) [2023-08-29 19:13:34,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (49 of 96 remaining) [2023-08-29 19:13:34,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (48 of 96 remaining) [2023-08-29 19:13:34,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (47 of 96 remaining) [2023-08-29 19:13:34,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (46 of 96 remaining) [2023-08-29 19:13:34,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (45 of 96 remaining) [2023-08-29 19:13:34,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (44 of 96 remaining) [2023-08-29 19:13:34,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (43 of 96 remaining) [2023-08-29 19:13:34,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (42 of 96 remaining) [2023-08-29 19:13:34,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (41 of 96 remaining) [2023-08-29 19:13:34,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (40 of 96 remaining) [2023-08-29 19:13:34,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (39 of 96 remaining) [2023-08-29 19:13:34,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (38 of 96 remaining) [2023-08-29 19:13:34,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (37 of 96 remaining) [2023-08-29 19:13:34,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (36 of 96 remaining) [2023-08-29 19:13:34,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (35 of 96 remaining) [2023-08-29 19:13:34,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (34 of 96 remaining) [2023-08-29 19:13:34,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (33 of 96 remaining) [2023-08-29 19:13:34,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (32 of 96 remaining) [2023-08-29 19:13:34,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (31 of 96 remaining) [2023-08-29 19:13:34,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (30 of 96 remaining) [2023-08-29 19:13:34,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (29 of 96 remaining) [2023-08-29 19:13:34,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (28 of 96 remaining) [2023-08-29 19:13:34,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (27 of 96 remaining) [2023-08-29 19:13:34,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (26 of 96 remaining) [2023-08-29 19:13:34,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (25 of 96 remaining) [2023-08-29 19:13:34,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (24 of 96 remaining) [2023-08-29 19:13:34,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (23 of 96 remaining) [2023-08-29 19:13:34,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (22 of 96 remaining) [2023-08-29 19:13:34,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (21 of 96 remaining) [2023-08-29 19:13:34,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (20 of 96 remaining) [2023-08-29 19:13:34,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (19 of 96 remaining) [2023-08-29 19:13:34,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (18 of 96 remaining) [2023-08-29 19:13:34,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (17 of 96 remaining) [2023-08-29 19:13:34,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (16 of 96 remaining) [2023-08-29 19:13:34,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (15 of 96 remaining) [2023-08-29 19:13:34,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (14 of 96 remaining) [2023-08-29 19:13:34,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (13 of 96 remaining) [2023-08-29 19:13:34,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (12 of 96 remaining) [2023-08-29 19:13:34,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (11 of 96 remaining) [2023-08-29 19:13:34,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (10 of 96 remaining) [2023-08-29 19:13:34,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (9 of 96 remaining) [2023-08-29 19:13:34,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (8 of 96 remaining) [2023-08-29 19:13:34,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (7 of 96 remaining) [2023-08-29 19:13:34,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (6 of 96 remaining) [2023-08-29 19:13:34,416 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (5 of 96 remaining) [2023-08-29 19:13:34,416 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (4 of 96 remaining) [2023-08-29 19:13:34,416 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (3 of 96 remaining) [2023-08-29 19:13:34,416 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (2 of 96 remaining) [2023-08-29 19:13:34,416 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (1 of 96 remaining) [2023-08-29 19:13:34,416 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (0 of 96 remaining) [2023-08-29 19:13:34,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 19:13:34,417 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-08-29 19:13:34,422 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 19:13:34,422 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 19:13:34,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 07:13:34 BasicIcfg [2023-08-29 19:13:34,425 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 19:13:34,426 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 19:13:34,426 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 19:13:34,426 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 19:13:34,426 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 07:13:23" (3/4) ... [2023-08-29 19:13:34,428 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 19:13:34,432 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-29 19:13:34,432 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-29 19:13:34,436 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-08-29 19:13:34,437 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-29 19:13:34,437 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 19:13:34,437 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 19:13:34,470 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 19:13:34,471 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 19:13:34,471 INFO L158 Benchmark]: Toolchain (without parser) took 12103.74ms. Allocated memory was 73.4MB in the beginning and 113.2MB in the end (delta: 39.8MB). Free memory was 44.1MB in the beginning and 25.0MB in the end (delta: 19.1MB). Peak memory consumption was 57.3MB. Max. memory is 16.1GB. [2023-08-29 19:13:34,471 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 52.4MB. Free memory was 30.7MB in the beginning and 30.6MB in the end (delta: 30.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 19:13:34,472 INFO L158 Benchmark]: CACSL2BoogieTranslator took 333.27ms. Allocated memory is still 73.4MB. Free memory was 43.8MB in the beginning and 50.6MB in the end (delta: -6.9MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2023-08-29 19:13:34,472 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.07ms. Allocated memory is still 73.4MB. Free memory was 50.6MB in the beginning and 47.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 19:13:34,472 INFO L158 Benchmark]: Boogie Preprocessor took 65.02ms. Allocated memory is still 73.4MB. Free memory was 47.8MB in the beginning and 45.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 19:13:34,473 INFO L158 Benchmark]: RCFGBuilder took 1017.27ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 45.2MB in the beginning and 47.6MB in the end (delta: -2.4MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2023-08-29 19:13:34,473 INFO L158 Benchmark]: TraceAbstraction took 10567.71ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 46.9MB in the beginning and 28.2MB in the end (delta: 18.8MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. [2023-08-29 19:13:34,473 INFO L158 Benchmark]: Witness Printer took 44.98ms. Allocated memory is still 113.2MB. Free memory was 28.2MB in the beginning and 25.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 19:13:34,474 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 52.4MB. Free memory was 30.7MB in the beginning and 30.6MB in the end (delta: 30.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 333.27ms. Allocated memory is still 73.4MB. Free memory was 43.8MB in the beginning and 50.6MB in the end (delta: -6.9MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.07ms. Allocated memory is still 73.4MB. Free memory was 50.6MB in the beginning and 47.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.02ms. Allocated memory is still 73.4MB. Free memory was 47.8MB in the beginning and 45.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1017.27ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 45.2MB in the beginning and 47.6MB in the end (delta: -2.4MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. * TraceAbstraction took 10567.71ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 46.9MB in the beginning and 28.2MB in the end (delta: 18.8MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. * Witness Printer took 44.98ms. Allocated memory is still 113.2MB. Free memory was 28.2MB in the beginning and 25.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.8s, 264 PlacesBefore, 89 PlacesAfterwards, 267 TransitionsBefore, 86 TransitionsAfterwards, 8244 CoEnabledTransitionPairs, 9 FixpointIterations, 164 TrivialSequentialCompositions, 123 ConcurrentSequentialCompositions, 15 TrivialYvCompositions, 4 ConcurrentYvCompositions, 6 ChoiceCompositions, 312 TotalNumberOfCompositions, 25726 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 12034, independent: 11589, independent conditional: 0, independent unconditional: 11589, dependent: 445, dependent conditional: 0, dependent unconditional: 445, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 4180, independent: 4098, independent conditional: 0, independent unconditional: 4098, dependent: 82, dependent conditional: 0, dependent unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 12034, independent: 7491, independent conditional: 0, independent unconditional: 7491, dependent: 363, dependent conditional: 0, dependent unconditional: 363, unknown: 4180, unknown conditional: 0, unknown unconditional: 4180] , Statistics on independence cache: Total cache size (in pairs): 454, Positive cache size: 418, Positive conditional cache size: 0, Positive unconditional cache size: 418, Negative cache size: 36, Negative conditional cache size: 0, Negative unconditional cache size: 36, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - 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: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: 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: 51]: 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: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: 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: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: 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: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: 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: 94]: 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: 116]: 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: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 375 locations, 96 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: 10.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 281 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 168 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 80 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 656 IncrementalHoareTripleChecker+Invalid, 736 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 80 mSolverCounterUnsat, 12 mSDtfsCounter, 656 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=184occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 59 NumberOfCodeBlocks, 59 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 230 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 1/1 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 55 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 19:13:34,506 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