./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/popl20-send-receive.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-send-receive.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 238e609d3671ff2de494998b0abc6a14651375b5eb423e7b66fc3d987b466268 --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 19:14:15,670 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 19:14:15,671 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 19:14:15,688 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 19:14:15,689 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 19:14:15,689 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 19:14:15,694 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 19:14:15,697 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 19:14:15,698 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 19:14:15,701 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 19:14:15,702 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 19:14:15,704 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 19:14:15,706 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 19:14:15,707 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 19:14:15,709 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 19:14:15,712 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 19:14:15,712 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 19:14:15,713 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 19:14:15,714 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 19:14:15,717 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 19:14:15,724 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 19:14:15,725 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 19:14:15,726 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 19:14:15,727 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 19:14:15,729 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 19:14:15,729 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 19:14:15,729 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 19:14:15,730 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 19:14:15,730 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 19:14:15,731 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 19:14:15,731 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 19:14:15,731 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 19:14:15,732 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 19:14:15,732 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 19:14:15,733 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 19:14:15,733 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 19:14:15,733 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 19:14:15,734 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 19:14:15,734 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 19:14:15,734 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 19:14:15,735 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 19:14:15,739 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 19:14:15,765 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 19:14:15,765 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 19:14:15,766 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 19:14:15,766 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 19:14:15,767 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 19:14:15,767 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 19:14:15,768 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 19:14:15,768 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 19:14:15,768 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 19:14:15,768 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 19:14:15,769 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 19:14:15,769 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 19:14:15,769 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 19:14:15,769 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 19:14:15,769 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 19:14:15,770 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 19:14:15,770 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 19:14:15,770 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 19:14:15,770 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 19:14:15,770 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 19:14:15,770 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 19:14:15,770 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 19:14:15,771 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 19:14:15,771 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 19:14:15,771 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 19:14:15,771 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 19:14:15,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 19:14:15,771 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 19:14:15,771 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 19:14:15,772 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 19:14:15,772 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 19:14:15,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 19:14:15,772 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 19:14:15,772 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 19:14:15,772 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 19:14:15,773 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 19:14:15,773 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 19:14:15,773 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 238e609d3671ff2de494998b0abc6a14651375b5eb423e7b66fc3d987b466268 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 19:14:16,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 19:14:16,023 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 19:14:16,025 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 19:14:16,025 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 19:14:16,025 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 19:14:16,026 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-send-receive.wvr.c [2023-08-29 19:14:16,949 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 19:14:17,091 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 19:14:17,091 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-send-receive.wvr.c [2023-08-29 19:14:17,096 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92f1aa41f/558ec582ff5344a0a997db7d6798f900/FLAG9c8d00767 [2023-08-29 19:14:17,107 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92f1aa41f/558ec582ff5344a0a997db7d6798f900 [2023-08-29 19:14:17,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 19:14:17,110 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 19:14:17,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 19:14:17,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 19:14:17,113 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 19:14:17,113 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 07:14:17" (1/1) ... [2023-08-29 19:14:17,114 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37f17991 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:17, skipping insertion in model container [2023-08-29 19:14:17,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 07:14:17" (1/1) ... [2023-08-29 19:14:17,121 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 19:14:17,133 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 19:14:17,280 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-send-receive.wvr.c[3107,3120] [2023-08-29 19:14:17,291 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 19:14:17,299 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 19:14:17,333 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-send-receive.wvr.c[3107,3120] [2023-08-29 19:14:17,341 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 19:14:17,349 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 19:14:17,350 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 19:14:17,354 INFO L208 MainTranslator]: Completed translation [2023-08-29 19:14:17,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:17 WrapperNode [2023-08-29 19:14:17,355 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 19:14:17,355 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 19:14:17,356 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 19:14:17,356 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 19:14:17,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:17" (1/1) ... [2023-08-29 19:14:17,378 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:17" (1/1) ... [2023-08-29 19:14:17,411 INFO L138 Inliner]: procedures = 25, calls = 52, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 297 [2023-08-29 19:14:17,413 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 19:14:17,414 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 19:14:17,414 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 19:14:17,414 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 19:14:17,420 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:17" (1/1) ... [2023-08-29 19:14:17,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:17" (1/1) ... [2023-08-29 19:14:17,430 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:17" (1/1) ... [2023-08-29 19:14:17,432 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:17" (1/1) ... [2023-08-29 19:14:17,440 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:17" (1/1) ... [2023-08-29 19:14:17,452 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:17" (1/1) ... [2023-08-29 19:14:17,460 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:17" (1/1) ... [2023-08-29 19:14:17,462 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:17" (1/1) ... [2023-08-29 19:14:17,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 19:14:17,464 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 19:14:17,465 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 19:14:17,465 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 19:14:17,466 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:17" (1/1) ... [2023-08-29 19:14:17,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 19:14:17,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 19:14:17,490 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 19:14:17,504 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 19:14:17,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 19:14:17,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 19:14:17,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 19:14:17,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 19:14:17,520 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 19:14:17,520 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 19:14:17,520 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 19:14:17,520 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 19:14:17,520 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-29 19:14:17,520 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-29 19:14:17,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 19:14:17,520 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-29 19:14:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-29 19:14:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 19:14:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 19:14:17,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 19:14:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 19:14:17,522 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 19:14:17,595 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 19:14:17,608 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 19:14:18,018 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 19:14:18,258 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 19:14:18,258 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-08-29 19:14:18,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 07:14:18 BoogieIcfgContainer [2023-08-29 19:14:18,260 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 19:14:18,262 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 19:14:18,262 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 19:14:18,269 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 19:14:18,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 07:14:17" (1/3) ... [2023-08-29 19:14:18,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@583e5f15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 07:14:18, skipping insertion in model container [2023-08-29 19:14:18,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:14:17" (2/3) ... [2023-08-29 19:14:18,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@583e5f15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 07:14:18, skipping insertion in model container [2023-08-29 19:14:18,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 07:14:18" (3/3) ... [2023-08-29 19:14:18,272 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-send-receive.wvr.c [2023-08-29 19:14:18,278 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 19:14:18,284 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 19:14:18,284 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 43 error locations. [2023-08-29 19:14:18,284 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 19:14:18,366 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-29 19:14:18,395 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 232 places, 233 transitions, 490 flow [2023-08-29 19:14:18,487 INFO L130 PetriNetUnfolder]: 11/230 cut-off events. [2023-08-29 19:14:18,487 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-29 19:14:18,492 INFO L83 FinitePrefix]: Finished finitePrefix Result has 243 conditions, 230 events. 11/230 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 351 event pairs, 0 based on Foata normal form. 0/176 useless extension candidates. Maximal degree in co-relation 188. Up to 2 conditions per place. [2023-08-29 19:14:18,492 INFO L82 GeneralOperation]: Start removeDead. Operand has 232 places, 233 transitions, 490 flow [2023-08-29 19:14:18,500 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 217 places, 218 transitions, 451 flow [2023-08-29 19:14:18,502 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 19:14:18,517 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 217 places, 218 transitions, 451 flow [2023-08-29 19:14:18,520 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 217 places, 218 transitions, 451 flow [2023-08-29 19:14:18,520 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 217 places, 218 transitions, 451 flow [2023-08-29 19:14:18,553 INFO L130 PetriNetUnfolder]: 11/218 cut-off events. [2023-08-29 19:14:18,553 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 19:14:18,554 INFO L83 FinitePrefix]: Finished finitePrefix Result has 230 conditions, 218 events. 11/218 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 359 event pairs, 0 based on Foata normal form. 0/164 useless extension candidates. Maximal degree in co-relation 188. Up to 2 conditions per place. [2023-08-29 19:14:18,557 INFO L119 LiptonReduction]: Number of co-enabled transitions 6192 [2023-08-29 19:14:24,326 INFO L134 LiptonReduction]: Checked pairs total: 23245 [2023-08-29 19:14:24,326 INFO L136 LiptonReduction]: Total number of compositions: 210 [2023-08-29 19:14:24,336 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 19:14:24,340 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;@4ff236d9, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 19:14:24,340 INFO L358 AbstractCegarLoop]: Starting to check reachability of 78 error locations. [2023-08-29 19:14:24,341 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 19:14:24,341 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 19:14:24,341 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:14:24,342 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 19:14:24,342 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 74 more)] === [2023-08-29 19:14:24,345 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:14:24,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1194, now seen corresponding path program 1 times [2023-08-29 19:14:24,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:14:24,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223745323] [2023-08-29 19:14:24,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:14:24,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:14:24,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:14:24,465 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 19:14:24,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:14:24,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223745323] [2023-08-29 19:14:24,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223745323] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:14:24,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:14:24,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 19:14:24,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345843929] [2023-08-29 19:14:24,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:14:24,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 19:14:24,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:14:24,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 19:14:24,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 19:14:24,498 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 443 [2023-08-29 19:14:24,502 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 80 transitions, 175 flow. Second operand has 2 states, 2 states have (on average 183.5) internal successors, (367), 2 states have internal predecessors, (367), 0 states have call successors, (0), 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 19:14:24,502 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:14:24,502 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 443 [2023-08-29 19:14:24,503 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:14:24,680 INFO L130 PetriNetUnfolder]: 390/978 cut-off events. [2023-08-29 19:14:24,681 INFO L131 PetriNetUnfolder]: For 70/70 co-relation queries the response was YES. [2023-08-29 19:14:24,684 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1665 conditions, 978 events. 390/978 cut-off events. For 70/70 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 5858 event pairs, 317 based on Foata normal form. 0/817 useless extension candidates. Maximal degree in co-relation 1412. Up to 601 conditions per place. [2023-08-29 19:14:24,688 INFO L137 encePairwiseOnDemand]: 404/443 looper letters, 23 selfloop transitions, 0 changer transitions 2/41 dead transitions. [2023-08-29 19:14:24,688 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 41 transitions, 147 flow [2023-08-29 19:14:24,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 19:14:24,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 19:14:24,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 430 transitions. [2023-08-29 19:14:24,738 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4853273137697517 [2023-08-29 19:14:24,738 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 430 transitions. [2023-08-29 19:14:24,739 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 430 transitions. [2023-08-29 19:14:24,740 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:14:24,742 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 430 transitions. [2023-08-29 19:14:24,746 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 215.0) internal successors, (430), 2 states have internal predecessors, (430), 0 states have call successors, (0), 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 19:14:24,749 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 443.0) internal successors, (1329), 3 states have internal predecessors, (1329), 0 states have call successors, (0), 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 19:14:24,749 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 443.0) internal successors, (1329), 3 states have internal predecessors, (1329), 0 states have call successors, (0), 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 19:14:24,751 INFO L175 Difference]: Start difference. First operand has 86 places, 80 transitions, 175 flow. Second operand 2 states and 430 transitions. [2023-08-29 19:14:24,751 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 41 transitions, 147 flow [2023-08-29 19:14:24,754 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 41 transitions, 138 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 19:14:24,756 INFO L231 Difference]: Finished difference. Result has 44 places, 39 transitions, 83 flow [2023-08-29 19:14:24,757 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=83, PETRI_PLACES=44, PETRI_TRANSITIONS=39} [2023-08-29 19:14:24,762 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -42 predicate places. [2023-08-29 19:14:24,764 INFO L495 AbstractCegarLoop]: Abstraction has has 44 places, 39 transitions, 83 flow [2023-08-29 19:14:24,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 183.5) internal successors, (367), 2 states have internal predecessors, (367), 0 states have call successors, (0), 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 19:14:24,765 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:14:24,765 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:14:24,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 19:14:24,766 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 74 more)] === [2023-08-29 19:14:24,771 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:14:24,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1480732881, now seen corresponding path program 1 times [2023-08-29 19:14:24,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:14:24,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575150647] [2023-08-29 19:14:24,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:14:24,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:14:24,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:14:24,902 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 19:14:24,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:14:24,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575150647] [2023-08-29 19:14:24,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575150647] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:14:24,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:14:24,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 19:14:24,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271353162] [2023-08-29 19:14:24,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:14:24,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 19:14:24,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:14:24,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 19:14:24,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 19:14:24,915 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 443 [2023-08-29 19:14:24,915 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 39 transitions, 83 flow. Second operand has 3 states, 3 states have (on average 178.66666666666666) internal successors, (536), 3 states have internal predecessors, (536), 0 states have call successors, (0), 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 19:14:24,915 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:14:24,915 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 443 [2023-08-29 19:14:24,916 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:14:25,052 INFO L130 PetriNetUnfolder]: 656/1316 cut-off events. [2023-08-29 19:14:25,052 INFO L131 PetriNetUnfolder]: For 26/64 co-relation queries the response was YES. [2023-08-29 19:14:25,054 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2424 conditions, 1316 events. 656/1316 cut-off events. For 26/64 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 7043 event pairs, 157 based on Foata normal form. 8/1133 useless extension candidates. Maximal degree in co-relation 2421. Up to 704 conditions per place. [2023-08-29 19:14:25,057 INFO L137 encePairwiseOnDemand]: 438/443 looper letters, 38 selfloop transitions, 3 changer transitions 0/53 dead transitions. [2023-08-29 19:14:25,057 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 53 transitions, 197 flow [2023-08-29 19:14:25,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 19:14:25,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 19:14:25,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 571 transitions. [2023-08-29 19:14:25,060 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4296463506395786 [2023-08-29 19:14:25,060 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 571 transitions. [2023-08-29 19:14:25,060 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 571 transitions. [2023-08-29 19:14:25,060 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:14:25,060 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 571 transitions. [2023-08-29 19:14:25,061 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 190.33333333333334) internal successors, (571), 3 states have internal predecessors, (571), 0 states have call successors, (0), 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 19:14:25,064 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 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 19:14:25,065 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 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 19:14:25,065 INFO L175 Difference]: Start difference. First operand has 44 places, 39 transitions, 83 flow. Second operand 3 states and 571 transitions. [2023-08-29 19:14:25,065 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 53 transitions, 197 flow [2023-08-29 19:14:25,066 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 53 transitions, 197 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 19:14:25,067 INFO L231 Difference]: Finished difference. Result has 43 places, 39 transitions, 96 flow [2023-08-29 19:14:25,067 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=79, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=96, PETRI_PLACES=43, PETRI_TRANSITIONS=39} [2023-08-29 19:14:25,067 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -43 predicate places. [2023-08-29 19:14:25,068 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 39 transitions, 96 flow [2023-08-29 19:14:25,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 178.66666666666666) internal successors, (536), 3 states have internal predecessors, (536), 0 states have call successors, (0), 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 19:14:25,068 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:14:25,068 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:14:25,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 19:14:25,069 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 74 more)] === [2023-08-29 19:14:25,071 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:14:25,071 INFO L85 PathProgramCache]: Analyzing trace with hash 583153642, now seen corresponding path program 1 times [2023-08-29 19:14:25,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:14:25,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797358969] [2023-08-29 19:14:25,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:14:25,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:14:25,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:14:25,124 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 19:14:25,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:14:25,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797358969] [2023-08-29 19:14:25,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797358969] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:14:25,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:14:25,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 19:14:25,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098052904] [2023-08-29 19:14:25,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:14:25,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 19:14:25,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:14:25,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 19:14:25,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 19:14:25,133 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 443 [2023-08-29 19:14:25,133 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 39 transitions, 96 flow. Second operand has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 0 states have call successors, (0), 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 19:14:25,133 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:14:25,133 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 443 [2023-08-29 19:14:25,134 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:14:25,221 INFO L130 PetriNetUnfolder]: 602/1342 cut-off events. [2023-08-29 19:14:25,222 INFO L131 PetriNetUnfolder]: For 150/150 co-relation queries the response was YES. [2023-08-29 19:14:25,223 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2569 conditions, 1342 events. 602/1342 cut-off events. For 150/150 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 7892 event pairs, 443 based on Foata normal form. 0/1250 useless extension candidates. Maximal degree in co-relation 2565. Up to 922 conditions per place. [2023-08-29 19:14:25,226 INFO L137 encePairwiseOnDemand]: 441/443 looper letters, 25 selfloop transitions, 1 changer transitions 0/38 dead transitions. [2023-08-29 19:14:25,227 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 38 transitions, 146 flow [2023-08-29 19:14:25,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 19:14:25,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 19:14:25,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 553 transitions. [2023-08-29 19:14:25,228 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4161023325808879 [2023-08-29 19:14:25,228 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 553 transitions. [2023-08-29 19:14:25,228 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 553 transitions. [2023-08-29 19:14:25,229 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:14:25,229 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 553 transitions. [2023-08-29 19:14:25,230 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 184.33333333333334) internal successors, (553), 3 states have internal predecessors, (553), 0 states have call successors, (0), 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 19:14:25,231 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 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 19:14:25,232 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 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 19:14:25,232 INFO L175 Difference]: Start difference. First operand has 43 places, 39 transitions, 96 flow. Second operand 3 states and 553 transitions. [2023-08-29 19:14:25,232 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 38 transitions, 146 flow [2023-08-29 19:14:25,233 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 38 transitions, 143 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 19:14:25,245 INFO L231 Difference]: Finished difference. Result has 43 places, 38 transitions, 93 flow [2023-08-29 19:14:25,245 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=91, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=93, PETRI_PLACES=43, PETRI_TRANSITIONS=38} [2023-08-29 19:14:25,246 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -43 predicate places. [2023-08-29 19:14:25,246 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 38 transitions, 93 flow [2023-08-29 19:14:25,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 0 states have call successors, (0), 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 19:14:25,246 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:14:25,247 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:14:25,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 19:14:25,247 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 74 more)] === [2023-08-29 19:14:25,247 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:14:25,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1951925359, now seen corresponding path program 1 times [2023-08-29 19:14:25,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:14:25,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043367154] [2023-08-29 19:14:25,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:14:25,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:14:25,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:14:25,491 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 19:14:25,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:14:25,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043367154] [2023-08-29 19:14:25,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043367154] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:14:25,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:14:25,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 19:14:25,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915423799] [2023-08-29 19:14:25,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:14:25,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 19:14:25,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:14:25,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 19:14:25,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 19:14:25,625 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 443 [2023-08-29 19:14:25,626 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 38 transitions, 93 flow. Second operand has 6 states, 6 states have (on average 172.0) internal successors, (1032), 6 states have internal predecessors, (1032), 0 states have call successors, (0), 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 19:14:25,626 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:14:25,626 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 443 [2023-08-29 19:14:25,626 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:14:25,882 INFO L130 PetriNetUnfolder]: 1328/2081 cut-off events. [2023-08-29 19:14:25,882 INFO L131 PetriNetUnfolder]: For 287/287 co-relation queries the response was YES. [2023-08-29 19:14:25,884 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4428 conditions, 2081 events. 1328/2081 cut-off events. For 287/287 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 9056 event pairs, 196 based on Foata normal form. 0/2049 useless extension candidates. Maximal degree in co-relation 4423. Up to 656 conditions per place. [2023-08-29 19:14:25,901 INFO L137 encePairwiseOnDemand]: 438/443 looper letters, 81 selfloop transitions, 4 changer transitions 0/93 dead transitions. [2023-08-29 19:14:25,901 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 93 transitions, 413 flow [2023-08-29 19:14:25,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 19:14:25,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 19:14:25,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1096 transitions. [2023-08-29 19:14:25,904 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4123401053423627 [2023-08-29 19:14:25,904 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1096 transitions. [2023-08-29 19:14:25,904 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1096 transitions. [2023-08-29 19:14:25,905 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:14:25,905 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1096 transitions. [2023-08-29 19:14:25,907 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 182.66666666666666) internal successors, (1096), 6 states have internal predecessors, (1096), 0 states have call successors, (0), 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 19:14:25,909 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 443.0) internal successors, (3101), 7 states have internal predecessors, (3101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:14:25,910 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 443.0) internal successors, (3101), 7 states have internal predecessors, (3101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:14:25,911 INFO L175 Difference]: Start difference. First operand has 43 places, 38 transitions, 93 flow. Second operand 6 states and 1096 transitions. [2023-08-29 19:14:25,911 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 93 transitions, 413 flow [2023-08-29 19:14:25,911 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 93 transitions, 412 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 19:14:25,912 INFO L231 Difference]: Finished difference. Result has 46 places, 37 transitions, 98 flow [2023-08-29 19:14:25,912 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=98, PETRI_PLACES=46, PETRI_TRANSITIONS=37} [2023-08-29 19:14:25,913 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -40 predicate places. [2023-08-29 19:14:25,913 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 37 transitions, 98 flow [2023-08-29 19:14:25,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 172.0) internal successors, (1032), 6 states have internal predecessors, (1032), 0 states have call successors, (0), 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 19:14:25,914 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:14:25,914 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 19:14:25,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 19:14:25,914 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 74 more)] === [2023-08-29 19:14:25,914 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:14:25,915 INFO L85 PathProgramCache]: Analyzing trace with hash -1888594481, now seen corresponding path program 1 times [2023-08-29 19:14:25,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:14:25,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869936973] [2023-08-29 19:14:25,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:14:25,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:14:25,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:14:25,964 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 19:14:25,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:14:25,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869936973] [2023-08-29 19:14:25,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869936973] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:14:25,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:14:25,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 19:14:25,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204935140] [2023-08-29 19:14:25,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:14:25,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-29 19:14:25,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:14:25,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-29 19:14:25,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-29 19:14:25,971 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 443 [2023-08-29 19:14:25,971 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 37 transitions, 98 flow. Second operand has 4 states, 4 states have (on average 183.0) internal successors, (732), 4 states have internal predecessors, (732), 0 states have call successors, (0), 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 19:14:25,972 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:14:25,972 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 443 [2023-08-29 19:14:25,972 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:14:26,076 INFO L130 PetriNetUnfolder]: 464/828 cut-off events. [2023-08-29 19:14:26,077 INFO L131 PetriNetUnfolder]: For 163/231 co-relation queries the response was YES. [2023-08-29 19:14:26,077 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1893 conditions, 828 events. 464/828 cut-off events. For 163/231 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 3494 event pairs, 18 based on Foata normal form. 86/893 useless extension candidates. Maximal degree in co-relation 1888. Up to 274 conditions per place. [2023-08-29 19:14:26,079 INFO L137 encePairwiseOnDemand]: 438/443 looper letters, 58 selfloop transitions, 5 changer transitions 0/75 dead transitions. [2023-08-29 19:14:26,080 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 75 transitions, 333 flow [2023-08-29 19:14:26,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-29 19:14:26,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-29 19:14:26,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 959 transitions. [2023-08-29 19:14:26,082 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43295711060948083 [2023-08-29 19:14:26,082 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 959 transitions. [2023-08-29 19:14:26,082 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 959 transitions. [2023-08-29 19:14:26,083 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:14:26,083 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 959 transitions. [2023-08-29 19:14:26,085 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 191.8) internal successors, (959), 5 states have internal predecessors, (959), 0 states have call successors, (0), 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 19:14:26,087 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 443.0) internal successors, (2658), 6 states have internal predecessors, (2658), 0 states have call successors, (0), 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 19:14:26,088 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 443.0) internal successors, (2658), 6 states have internal predecessors, (2658), 0 states have call successors, (0), 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 19:14:26,089 INFO L175 Difference]: Start difference. First operand has 46 places, 37 transitions, 98 flow. Second operand 5 states and 959 transitions. [2023-08-29 19:14:26,089 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 75 transitions, 333 flow [2023-08-29 19:14:26,090 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 75 transitions, 320 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 19:14:26,091 INFO L231 Difference]: Finished difference. Result has 49 places, 40 transitions, 122 flow [2023-08-29 19:14:26,091 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=91, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=122, PETRI_PLACES=49, PETRI_TRANSITIONS=40} [2023-08-29 19:14:26,093 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -37 predicate places. [2023-08-29 19:14:26,093 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 40 transitions, 122 flow [2023-08-29 19:14:26,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 183.0) internal successors, (732), 4 states have internal predecessors, (732), 0 states have call successors, (0), 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 19:14:26,094 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:14:26,094 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 19:14:26,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 19:14:26,094 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 74 more)] === [2023-08-29 19:14:26,095 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:14:26,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1904447390, now seen corresponding path program 1 times [2023-08-29 19:14:26,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:14:26,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166334953] [2023-08-29 19:14:26,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:14:26,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:14:26,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:14:26,343 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 19:14:26,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:14:26,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166334953] [2023-08-29 19:14:26,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166334953] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:14:26,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:14:26,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 19:14:26,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851721089] [2023-08-29 19:14:26,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:14:26,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 19:14:26,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:14:26,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 19:14:26,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 19:14:26,448 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 443 [2023-08-29 19:14:26,449 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 40 transitions, 122 flow. Second operand has 6 states, 6 states have (on average 172.83333333333334) internal successors, (1037), 6 states have internal predecessors, (1037), 0 states have call successors, (0), 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 19:14:26,449 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:14:26,449 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 443 [2023-08-29 19:14:26,449 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:14:26,593 INFO L130 PetriNetUnfolder]: 508/948 cut-off events. [2023-08-29 19:14:26,593 INFO L131 PetriNetUnfolder]: For 402/435 co-relation queries the response was YES. [2023-08-29 19:14:26,594 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2367 conditions, 948 events. 508/948 cut-off events. For 402/435 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 4386 event pairs, 283 based on Foata normal form. 0/935 useless extension candidates. Maximal degree in co-relation 2359. Up to 707 conditions per place. [2023-08-29 19:14:26,595 INFO L137 encePairwiseOnDemand]: 438/443 looper letters, 0 selfloop transitions, 0 changer transitions 71/71 dead transitions. [2023-08-29 19:14:26,595 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 71 transitions, 336 flow [2023-08-29 19:14:26,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 19:14:26,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 19:14:26,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1076 transitions. [2023-08-29 19:14:26,598 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40481565086531224 [2023-08-29 19:14:26,599 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1076 transitions. [2023-08-29 19:14:26,599 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1076 transitions. [2023-08-29 19:14:26,599 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:14:26,599 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1076 transitions. [2023-08-29 19:14:26,600 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 179.33333333333334) internal successors, (1076), 6 states have internal predecessors, (1076), 0 states have call successors, (0), 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 19:14:26,603 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 443.0) internal successors, (3101), 7 states have internal predecessors, (3101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:14:26,603 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 443.0) internal successors, (3101), 7 states have internal predecessors, (3101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:14:26,603 INFO L175 Difference]: Start difference. First operand has 49 places, 40 transitions, 122 flow. Second operand 6 states and 1076 transitions. [2023-08-29 19:14:26,603 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 71 transitions, 336 flow [2023-08-29 19:14:26,604 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 71 transitions, 333 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 19:14:26,605 INFO L231 Difference]: Finished difference. Result has 52 places, 0 transitions, 0 flow [2023-08-29 19:14:26,605 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=117, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=52, PETRI_TRANSITIONS=0} [2023-08-29 19:14:26,605 INFO L281 CegarLoopForPetriNet]: 86 programPoint places, -34 predicate places. [2023-08-29 19:14:26,605 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 0 transitions, 0 flow [2023-08-29 19:14:26,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 172.83333333333334) internal successors, (1037), 6 states have internal predecessors, (1037), 0 states have call successors, (0), 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 19:14:26,607 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (77 of 78 remaining) [2023-08-29 19:14:26,607 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (76 of 78 remaining) [2023-08-29 19:14:26,607 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (75 of 78 remaining) [2023-08-29 19:14:26,608 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (74 of 78 remaining) [2023-08-29 19:14:26,608 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (73 of 78 remaining) [2023-08-29 19:14:26,608 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (72 of 78 remaining) [2023-08-29 19:14:26,608 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (71 of 78 remaining) [2023-08-29 19:14:26,608 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (70 of 78 remaining) [2023-08-29 19:14:26,608 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (69 of 78 remaining) [2023-08-29 19:14:26,608 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (68 of 78 remaining) [2023-08-29 19:14:26,608 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (67 of 78 remaining) [2023-08-29 19:14:26,608 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (66 of 78 remaining) [2023-08-29 19:14:26,608 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (65 of 78 remaining) [2023-08-29 19:14:26,608 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (64 of 78 remaining) [2023-08-29 19:14:26,608 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (63 of 78 remaining) [2023-08-29 19:14:26,608 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (62 of 78 remaining) [2023-08-29 19:14:26,609 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (61 of 78 remaining) [2023-08-29 19:14:26,609 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (60 of 78 remaining) [2023-08-29 19:14:26,609 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (59 of 78 remaining) [2023-08-29 19:14:26,609 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (58 of 78 remaining) [2023-08-29 19:14:26,609 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (57 of 78 remaining) [2023-08-29 19:14:26,609 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (56 of 78 remaining) [2023-08-29 19:14:26,609 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (55 of 78 remaining) [2023-08-29 19:14:26,609 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (54 of 78 remaining) [2023-08-29 19:14:26,609 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (53 of 78 remaining) [2023-08-29 19:14:26,609 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (52 of 78 remaining) [2023-08-29 19:14:26,609 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (51 of 78 remaining) [2023-08-29 19:14:26,609 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (50 of 78 remaining) [2023-08-29 19:14:26,609 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (49 of 78 remaining) [2023-08-29 19:14:26,610 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (48 of 78 remaining) [2023-08-29 19:14:26,610 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (47 of 78 remaining) [2023-08-29 19:14:26,610 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (46 of 78 remaining) [2023-08-29 19:14:26,610 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (45 of 78 remaining) [2023-08-29 19:14:26,610 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (44 of 78 remaining) [2023-08-29 19:14:26,610 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (43 of 78 remaining) [2023-08-29 19:14:26,610 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (42 of 78 remaining) [2023-08-29 19:14:26,610 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (41 of 78 remaining) [2023-08-29 19:14:26,610 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (40 of 78 remaining) [2023-08-29 19:14:26,610 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (39 of 78 remaining) [2023-08-29 19:14:26,610 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (38 of 78 remaining) [2023-08-29 19:14:26,610 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (37 of 78 remaining) [2023-08-29 19:14:26,610 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (36 of 78 remaining) [2023-08-29 19:14:26,610 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (35 of 78 remaining) [2023-08-29 19:14:26,611 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (34 of 78 remaining) [2023-08-29 19:14:26,611 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 78 remaining) [2023-08-29 19:14:26,611 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 78 remaining) [2023-08-29 19:14:26,611 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (31 of 78 remaining) [2023-08-29 19:14:26,611 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (30 of 78 remaining) [2023-08-29 19:14:26,611 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (29 of 78 remaining) [2023-08-29 19:14:26,611 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (28 of 78 remaining) [2023-08-29 19:14:26,611 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (27 of 78 remaining) [2023-08-29 19:14:26,611 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (26 of 78 remaining) [2023-08-29 19:14:26,611 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (25 of 78 remaining) [2023-08-29 19:14:26,611 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (24 of 78 remaining) [2023-08-29 19:14:26,611 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (23 of 78 remaining) [2023-08-29 19:14:26,611 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (22 of 78 remaining) [2023-08-29 19:14:26,612 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (21 of 78 remaining) [2023-08-29 19:14:26,612 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (20 of 78 remaining) [2023-08-29 19:14:26,612 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (19 of 78 remaining) [2023-08-29 19:14:26,612 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (18 of 78 remaining) [2023-08-29 19:14:26,612 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (17 of 78 remaining) [2023-08-29 19:14:26,612 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (16 of 78 remaining) [2023-08-29 19:14:26,612 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (15 of 78 remaining) [2023-08-29 19:14:26,612 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (14 of 78 remaining) [2023-08-29 19:14:26,612 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (13 of 78 remaining) [2023-08-29 19:14:26,612 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (12 of 78 remaining) [2023-08-29 19:14:26,612 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (11 of 78 remaining) [2023-08-29 19:14:26,612 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (10 of 78 remaining) [2023-08-29 19:14:26,612 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (9 of 78 remaining) [2023-08-29 19:14:26,613 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (8 of 78 remaining) [2023-08-29 19:14:26,613 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (7 of 78 remaining) [2023-08-29 19:14:26,613 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (6 of 78 remaining) [2023-08-29 19:14:26,613 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (5 of 78 remaining) [2023-08-29 19:14:26,613 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (4 of 78 remaining) [2023-08-29 19:14:26,613 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (3 of 78 remaining) [2023-08-29 19:14:26,613 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (2 of 78 remaining) [2023-08-29 19:14:26,613 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (1 of 78 remaining) [2023-08-29 19:14:26,613 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (0 of 78 remaining) [2023-08-29 19:14:26,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 19:14:26,613 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-08-29 19:14:26,617 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 19:14:26,617 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 19:14:26,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 07:14:26 BasicIcfg [2023-08-29 19:14:26,619 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 19:14:26,619 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 19:14:26,619 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 19:14:26,619 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 19:14:26,620 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 07:14:18" (3/4) ... [2023-08-29 19:14:26,621 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 19:14:26,624 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-29 19:14:26,624 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-29 19:14:26,624 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-08-29 19:14:26,627 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-08-29 19:14:26,627 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-29 19:14:26,627 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 19:14:26,627 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 19:14:26,666 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 19:14:26,666 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 19:14:26,667 INFO L158 Benchmark]: Toolchain (without parser) took 9556.95ms. Allocated memory was 69.2MB in the beginning and 180.4MB in the end (delta: 111.1MB). Free memory was 41.8MB in the beginning and 120.6MB in the end (delta: -78.8MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2023-08-29 19:14:26,667 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 56.6MB. Free memory was 34.4MB in the beginning and 34.4MB in the end (delta: 1.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 19:14:26,667 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.05ms. Allocated memory is still 69.2MB. Free memory was 41.6MB in the beginning and 45.4MB in the end (delta: -3.8MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2023-08-29 19:14:26,668 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.21ms. Allocated memory is still 69.2MB. Free memory was 45.4MB in the beginning and 42.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 19:14:26,668 INFO L158 Benchmark]: Boogie Preprocessor took 49.70ms. Allocated memory is still 69.2MB. Free memory was 42.5MB in the beginning and 40.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 19:14:26,668 INFO L158 Benchmark]: RCFGBuilder took 796.05ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 39.9MB in the beginning and 36.5MB in the end (delta: 3.4MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2023-08-29 19:14:26,668 INFO L158 Benchmark]: TraceAbstraction took 8356.63ms. Allocated memory was 83.9MB in the beginning and 180.4MB in the end (delta: 96.5MB). Free memory was 35.8MB in the beginning and 123.7MB in the end (delta: -87.9MB). Peak memory consumption was 79.1MB. Max. memory is 16.1GB. [2023-08-29 19:14:26,668 INFO L158 Benchmark]: Witness Printer took 47.27ms. Allocated memory is still 180.4MB. Free memory was 123.7MB in the beginning and 120.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 19:14:26,670 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 56.6MB. Free memory was 34.4MB in the beginning and 34.4MB in the end (delta: 1.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 244.05ms. Allocated memory is still 69.2MB. Free memory was 41.6MB in the beginning and 45.4MB in the end (delta: -3.8MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.21ms. Allocated memory is still 69.2MB. Free memory was 45.4MB in the beginning and 42.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.70ms. Allocated memory is still 69.2MB. Free memory was 42.5MB in the beginning and 40.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 796.05ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 39.9MB in the beginning and 36.5MB in the end (delta: 3.4MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. * TraceAbstraction took 8356.63ms. Allocated memory was 83.9MB in the beginning and 180.4MB in the end (delta: 96.5MB). Free memory was 35.8MB in the beginning and 123.7MB in the end (delta: -87.9MB). Peak memory consumption was 79.1MB. Max. memory is 16.1GB. * Witness Printer took 47.27ms. Allocated memory is still 180.4MB. Free memory was 123.7MB in the beginning and 120.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.8s, 217 PlacesBefore, 86 PlacesAfterwards, 218 TransitionsBefore, 80 TransitionsAfterwards, 6192 CoEnabledTransitionPairs, 8 FixpointIterations, 118 TrivialSequentialCompositions, 63 ConcurrentSequentialCompositions, 9 TrivialYvCompositions, 13 ConcurrentYvCompositions, 7 ChoiceCompositions, 210 TotalNumberOfCompositions, 23245 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 7153, independent: 6725, independent conditional: 0, independent unconditional: 6725, dependent: 428, dependent conditional: 0, dependent unconditional: 428, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2417, independent: 2351, independent conditional: 0, independent unconditional: 2351, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 7153, independent: 4374, independent conditional: 0, independent unconditional: 4374, dependent: 362, dependent conditional: 0, dependent unconditional: 362, unknown: 2417, unknown conditional: 0, unknown unconditional: 2417] , Statistics on independence cache: Total cache size (in pairs): 369, Positive cache size: 340, Positive conditional cache size: 0, Positive unconditional cache size: 340, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: 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: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: 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: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 128]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 295 locations, 78 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: 8.2s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 362 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 233 mSDsluCounter, 46 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 107 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 844 IncrementalHoareTripleChecker+Invalid, 951 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 107 mSolverCounterUnsat, 45 mSDtfsCounter, 844 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=175occurred in iteration=0, InterpolantAutomatonStates: 25, 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, 0.6s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 244 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 43 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 19:14:26,701 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