./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/chl-exp-term-subst.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/chl-exp-term-subst.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a4208e364fc80ce33bd799516b7b127a7314c394860a88240a88c2fb8dc1fa8b --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 18:51:23,664 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 18:51:23,666 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 18:51:23,706 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 18:51:23,708 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 18:51:23,711 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 18:51:23,712 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 18:51:23,714 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 18:51:23,716 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 18:51:23,720 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 18:51:23,721 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 18:51:23,723 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 18:51:23,724 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 18:51:23,725 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 18:51:23,726 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 18:51:23,730 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 18:51:23,731 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 18:51:23,732 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 18:51:23,733 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 18:51:23,738 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 18:51:23,739 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 18:51:23,740 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 18:51:23,741 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 18:51:23,741 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 18:51:23,747 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 18:51:23,748 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 18:51:23,748 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 18:51:23,749 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 18:51:23,750 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 18:51:23,750 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 18:51:23,751 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 18:51:23,758 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 18:51:23,759 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 18:51:23,760 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 18:51:23,761 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 18:51:23,761 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 18:51:23,761 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 18:51:23,762 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 18:51:23,762 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 18:51:23,763 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 18:51:23,763 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 18:51:23,764 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 18:51:23,804 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 18:51:23,805 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 18:51:23,806 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 18:51:23,806 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 18:51:23,807 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 18:51:23,807 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 18:51:23,807 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 18:51:23,807 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 18:51:23,808 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 18:51:23,808 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 18:51:23,808 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 18:51:23,809 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 18:51:23,809 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 18:51:23,809 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 18:51:23,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 18:51:23,809 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 18:51:23,809 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 18:51:23,809 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 18:51:23,809 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 18:51:23,809 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 18:51:23,809 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 18:51:23,810 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 18:51:23,810 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 18:51:23,810 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 18:51:23,810 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 18:51:23,810 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 18:51:23,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 18:51:23,810 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 18:51:23,810 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 18:51:23,810 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 18:51:23,810 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 18:51:23,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 18:51:23,811 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 18:51:23,811 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 18:51:23,811 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 18:51:23,811 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 18:51:23,811 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 18:51:23,811 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4208e364fc80ce33bd799516b7b127a7314c394860a88240a88c2fb8dc1fa8b Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 18:51:24,101 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 18:51:24,122 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 18:51:24,125 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 18:51:24,126 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 18:51:24,126 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 18:51:24,127 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-exp-term-subst.wvr.c [2023-08-29 18:51:25,276 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 18:51:25,527 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 18:51:25,527 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-exp-term-subst.wvr.c [2023-08-29 18:51:25,534 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92d2aec7e/be81aaafd528466f8c3ba9b64bfd85df/FLAGfba1d6267 [2023-08-29 18:51:25,554 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92d2aec7e/be81aaafd528466f8c3ba9b64bfd85df [2023-08-29 18:51:25,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 18:51:25,558 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 18:51:25,560 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 18:51:25,560 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 18:51:25,562 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 18:51:25,563 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 06:51:25" (1/1) ... [2023-08-29 18:51:25,564 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b1ed58e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:51:25, skipping insertion in model container [2023-08-29 18:51:25,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 06:51:25" (1/1) ... [2023-08-29 18:51:25,569 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 18:51:25,588 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 18:51:25,743 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-exp-term-subst.wvr.c[3072,3085] [2023-08-29 18:51:25,746 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 18:51:25,754 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 18:51:25,779 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-exp-term-subst.wvr.c[3072,3085] [2023-08-29 18:51:25,781 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 18:51:25,793 INFO L208 MainTranslator]: Completed translation [2023-08-29 18:51:25,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:51:25 WrapperNode [2023-08-29 18:51:25,794 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 18:51:25,795 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 18:51:25,795 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 18:51:25,795 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 18:51:25,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:51:25" (1/1) ... [2023-08-29 18:51:25,821 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:51:25" (1/1) ... [2023-08-29 18:51:25,865 INFO L138 Inliner]: procedures = 23, calls = 31, calls flagged for inlining = 9, calls inlined = 13, statements flattened = 343 [2023-08-29 18:51:25,866 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 18:51:25,866 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 18:51:25,867 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 18:51:25,867 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 18:51:25,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:51:25" (1/1) ... [2023-08-29 18:51:25,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:51:25" (1/1) ... [2023-08-29 18:51:25,878 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:51:25" (1/1) ... [2023-08-29 18:51:25,878 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:51:25" (1/1) ... [2023-08-29 18:51:25,887 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:51:25" (1/1) ... [2023-08-29 18:51:25,890 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:51:25" (1/1) ... [2023-08-29 18:51:25,891 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:51:25" (1/1) ... [2023-08-29 18:51:25,893 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:51:25" (1/1) ... [2023-08-29 18:51:25,896 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 18:51:25,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 18:51:25,897 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 18:51:25,897 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 18:51:25,898 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:51:25" (1/1) ... [2023-08-29 18:51:25,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 18:51:25,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 18:51:25,929 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 18:51:25,939 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 18:51:25,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 18:51:25,962 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 18:51:25,963 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 18:51:25,963 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 18:51:25,963 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 18:51:25,963 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-29 18:51:25,963 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-29 18:51:25,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 18:51:25,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 18:51:25,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 18:51:25,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 18:51:25,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 18:51:25,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 18:51:25,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 18:51:25,965 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 18:51:26,105 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 18:51:26,107 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 18:51:26,638 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 18:51:26,653 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 18:51:26,655 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 18:51:26,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:51:26 BoogieIcfgContainer [2023-08-29 18:51:26,658 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 18:51:26,660 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 18:51:26,660 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 18:51:26,663 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 18:51:26,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 06:51:25" (1/3) ... [2023-08-29 18:51:26,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cf322b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 06:51:26, skipping insertion in model container [2023-08-29 18:51:26,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:51:25" (2/3) ... [2023-08-29 18:51:26,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cf322b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 06:51:26, skipping insertion in model container [2023-08-29 18:51:26,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:51:26" (3/3) ... [2023-08-29 18:51:26,666 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-exp-term-subst.wvr.c [2023-08-29 18:51:26,672 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 18:51:26,680 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 18:51:26,681 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 47 error locations. [2023-08-29 18:51:26,681 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 18:51:26,828 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-29 18:51:26,873 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 412 places, 429 transitions, 882 flow [2023-08-29 18:51:27,057 INFO L130 PetriNetUnfolder]: 27/426 cut-off events. [2023-08-29 18:51:27,057 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-29 18:51:27,072 INFO L83 FinitePrefix]: Finished finitePrefix Result has 439 conditions, 426 events. 27/426 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1385 event pairs, 0 based on Foata normal form. 0/352 useless extension candidates. Maximal degree in co-relation 296. Up to 2 conditions per place. [2023-08-29 18:51:27,072 INFO L82 GeneralOperation]: Start removeDead. Operand has 412 places, 429 transitions, 882 flow [2023-08-29 18:51:27,085 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 391 places, 406 transitions, 830 flow [2023-08-29 18:51:27,089 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 18:51:27,105 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 391 places, 406 transitions, 830 flow [2023-08-29 18:51:27,108 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 391 places, 406 transitions, 830 flow [2023-08-29 18:51:27,108 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 391 places, 406 transitions, 830 flow [2023-08-29 18:51:27,206 INFO L130 PetriNetUnfolder]: 25/406 cut-off events. [2023-08-29 18:51:27,206 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-29 18:51:27,210 INFO L83 FinitePrefix]: Finished finitePrefix Result has 419 conditions, 406 events. 25/406 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1372 event pairs, 0 based on Foata normal form. 0/335 useless extension candidates. Maximal degree in co-relation 296. Up to 2 conditions per place. [2023-08-29 18:51:27,241 INFO L119 LiptonReduction]: Number of co-enabled transitions 60342 [2023-08-29 18:51:34,972 INFO L134 LiptonReduction]: Checked pairs total: 216028 [2023-08-29 18:51:34,972 INFO L136 LiptonReduction]: Total number of compositions: 375 [2023-08-29 18:51:34,983 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 18:51:34,988 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;@9e64e60, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 18:51:34,989 INFO L358 AbstractCegarLoop]: Starting to check reachability of 83 error locations. [2023-08-29 18:51:34,990 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 18:51:34,990 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 18:51:34,990 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:51:34,991 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 18:51:34,991 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2023-08-29 18:51:34,995 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:51:34,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1620, now seen corresponding path program 1 times [2023-08-29 18:51:35,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:51:35,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037384070] [2023-08-29 18:51:35,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:51:35,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:51:35,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:51:35,082 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 18:51:35,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:51:35,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037384070] [2023-08-29 18:51:35,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037384070] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:51:35,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:51:35,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 18:51:35,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611543660] [2023-08-29 18:51:35,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:51:35,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 18:51:35,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:51:35,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 18:51:35,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 18:51:35,119 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 414 out of 804 [2023-08-29 18:51:35,123 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 141 transitions, 300 flow. Second operand has 2 states, 2 states have (on average 414.5) internal successors, (829), 2 states have internal predecessors, (829), 0 states have call successors, (0), 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 18:51:35,125 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:51:35,125 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 414 of 804 [2023-08-29 18:51:35,126 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:51:37,340 INFO L130 PetriNetUnfolder]: 15681/26304 cut-off events. [2023-08-29 18:51:37,341 INFO L131 PetriNetUnfolder]: For 608/608 co-relation queries the response was YES. [2023-08-29 18:51:37,387 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46870 conditions, 26304 events. 15681/26304 cut-off events. For 608/608 co-relation queries the response was YES. Maximal size of possible extension queue 1508. Compared 221370 event pairs, 9597 based on Foata normal form. 189/18875 useless extension candidates. Maximal degree in co-relation 44191. Up to 20078 conditions per place. [2023-08-29 18:51:37,526 INFO L137 encePairwiseOnDemand]: 787/804 looper letters, 63 selfloop transitions, 0 changer transitions 1/124 dead transitions. [2023-08-29 18:51:37,526 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 124 transitions, 394 flow [2023-08-29 18:51:37,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 18:51:37,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 18:51:37,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 909 transitions. [2023-08-29 18:51:37,546 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5652985074626866 [2023-08-29 18:51:37,547 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 909 transitions. [2023-08-29 18:51:37,547 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 909 transitions. [2023-08-29 18:51:37,551 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:51:37,553 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 909 transitions. [2023-08-29 18:51:37,559 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 454.5) internal successors, (909), 2 states have internal predecessors, (909), 0 states have call successors, (0), 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 18:51:37,566 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 804.0) internal successors, (2412), 3 states have internal predecessors, (2412), 0 states have call successors, (0), 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 18:51:37,567 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 804.0) internal successors, (2412), 3 states have internal predecessors, (2412), 0 states have call successors, (0), 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 18:51:37,569 INFO L175 Difference]: Start difference. First operand has 132 places, 141 transitions, 300 flow. Second operand 2 states and 909 transitions. [2023-08-29 18:51:37,570 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 124 transitions, 394 flow [2023-08-29 18:51:37,583 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 124 transitions, 382 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-08-29 18:51:37,586 INFO L231 Difference]: Finished difference. Result has 111 places, 123 transitions, 251 flow [2023-08-29 18:51:37,588 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=804, PETRI_DIFFERENCE_MINUEND_FLOW=254, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=251, PETRI_PLACES=111, PETRI_TRANSITIONS=123} [2023-08-29 18:51:37,593 INFO L281 CegarLoopForPetriNet]: 132 programPoint places, -21 predicate places. [2023-08-29 18:51:37,593 INFO L495 AbstractCegarLoop]: Abstraction has has 111 places, 123 transitions, 251 flow [2023-08-29 18:51:37,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 414.5) internal successors, (829), 2 states have internal predecessors, (829), 0 states have call successors, (0), 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 18:51:37,594 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:51:37,595 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-29 18:51:37,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 18:51:37,597 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2023-08-29 18:51:37,604 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:51:37,605 INFO L85 PathProgramCache]: Analyzing trace with hash 50255624, now seen corresponding path program 1 times [2023-08-29 18:51:37,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:51:37,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794137288] [2023-08-29 18:51:37,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:51:37,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:51:37,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:51:37,719 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 18:51:37,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:51:37,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794137288] [2023-08-29 18:51:37,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794137288] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:51:37,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:51:37,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:51:37,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904376890] [2023-08-29 18:51:37,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:51:37,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:51:37,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:51:37,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:51:37,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:51:37,745 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 804 [2023-08-29 18:51:37,747 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 123 transitions, 251 flow. Second operand has 3 states, 3 states have (on average 396.3333333333333) internal successors, (1189), 3 states have internal predecessors, (1189), 0 states have call successors, (0), 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 18:51:37,747 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:51:37,747 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 804 [2023-08-29 18:51:37,748 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:51:40,024 INFO L130 PetriNetUnfolder]: 20477/33449 cut-off events. [2023-08-29 18:51:40,025 INFO L131 PetriNetUnfolder]: For 117/117 co-relation queries the response was YES. [2023-08-29 18:51:40,082 INFO L83 FinitePrefix]: Finished finitePrefix Result has 60047 conditions, 33449 events. 20477/33449 cut-off events. For 117/117 co-relation queries the response was YES. Maximal size of possible extension queue 1539. Compared 276480 event pairs, 4718 based on Foata normal form. 0/24505 useless extension candidates. Maximal degree in co-relation 60044. Up to 26329 conditions per place. [2023-08-29 18:51:40,207 INFO L137 encePairwiseOnDemand]: 796/804 looper letters, 90 selfloop transitions, 2 changer transitions 0/142 dead transitions. [2023-08-29 18:51:40,208 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 142 transitions, 475 flow [2023-08-29 18:51:40,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:51:40,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:51:40,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1283 transitions. [2023-08-29 18:51:40,212 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5319237147595357 [2023-08-29 18:51:40,212 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1283 transitions. [2023-08-29 18:51:40,212 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1283 transitions. [2023-08-29 18:51:40,213 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:51:40,213 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1283 transitions. [2023-08-29 18:51:40,216 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 427.6666666666667) internal successors, (1283), 3 states have internal predecessors, (1283), 0 states have call successors, (0), 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 18:51:40,221 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 804.0) internal successors, (3216), 4 states have internal predecessors, (3216), 0 states have call successors, (0), 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 18:51:40,222 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 804.0) internal successors, (3216), 4 states have internal predecessors, (3216), 0 states have call successors, (0), 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 18:51:40,222 INFO L175 Difference]: Start difference. First operand has 111 places, 123 transitions, 251 flow. Second operand 3 states and 1283 transitions. [2023-08-29 18:51:40,222 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 142 transitions, 475 flow [2023-08-29 18:51:40,225 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 142 transitions, 475 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:51:40,227 INFO L231 Difference]: Finished difference. Result has 107 places, 119 transitions, 253 flow [2023-08-29 18:51:40,227 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=804, PETRI_DIFFERENCE_MINUEND_FLOW=239, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=253, PETRI_PLACES=107, PETRI_TRANSITIONS=119} [2023-08-29 18:51:40,228 INFO L281 CegarLoopForPetriNet]: 132 programPoint places, -25 predicate places. [2023-08-29 18:51:40,228 INFO L495 AbstractCegarLoop]: Abstraction has has 107 places, 119 transitions, 253 flow [2023-08-29 18:51:40,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 396.3333333333333) internal successors, (1189), 3 states have internal predecessors, (1189), 0 states have call successors, (0), 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 18:51:40,229 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:51:40,230 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-29 18:51:40,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 18:51:40,230 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2023-08-29 18:51:40,232 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:51:40,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1051046346, now seen corresponding path program 1 times [2023-08-29 18:51:40,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:51:40,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127346601] [2023-08-29 18:51:40,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:51:40,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:51:40,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:51:40,302 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 18:51:40,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:51:40,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127346601] [2023-08-29 18:51:40,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127346601] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:51:40,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:51:40,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:51:40,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287041871] [2023-08-29 18:51:40,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:51:40,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:51:40,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:51:40,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:51:40,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:51:40,328 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 804 [2023-08-29 18:51:40,330 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 119 transitions, 253 flow. Second operand has 3 states, 3 states have (on average 396.3333333333333) internal successors, (1189), 3 states have internal predecessors, (1189), 0 states have call successors, (0), 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 18:51:40,331 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:51:40,331 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 804 [2023-08-29 18:51:40,331 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:51:42,397 INFO L130 PetriNetUnfolder]: 22231/37747 cut-off events. [2023-08-29 18:51:42,397 INFO L131 PetriNetUnfolder]: For 178/178 co-relation queries the response was YES. [2023-08-29 18:51:42,463 INFO L83 FinitePrefix]: Finished finitePrefix Result has 66727 conditions, 37747 events. 22231/37747 cut-off events. For 178/178 co-relation queries the response was YES. Maximal size of possible extension queue 1808. Compared 330597 event pairs, 10584 based on Foata normal form. 0/27851 useless extension candidates. Maximal degree in co-relation 66723. Up to 28554 conditions per place. [2023-08-29 18:51:42,593 INFO L137 encePairwiseOnDemand]: 796/804 looper letters, 90 selfloop transitions, 2 changer transitions 0/137 dead transitions. [2023-08-29 18:51:42,593 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 137 transitions, 475 flow [2023-08-29 18:51:42,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:51:42,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:51:42,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1283 transitions. [2023-08-29 18:51:42,597 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5319237147595357 [2023-08-29 18:51:42,597 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1283 transitions. [2023-08-29 18:51:42,597 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1283 transitions. [2023-08-29 18:51:42,598 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:51:42,598 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1283 transitions. [2023-08-29 18:51:42,601 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 427.6666666666667) internal successors, (1283), 3 states have internal predecessors, (1283), 0 states have call successors, (0), 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 18:51:42,605 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 804.0) internal successors, (3216), 4 states have internal predecessors, (3216), 0 states have call successors, (0), 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 18:51:42,607 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 804.0) internal successors, (3216), 4 states have internal predecessors, (3216), 0 states have call successors, (0), 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 18:51:42,607 INFO L175 Difference]: Start difference. First operand has 107 places, 119 transitions, 253 flow. Second operand 3 states and 1283 transitions. [2023-08-29 18:51:42,607 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 137 transitions, 475 flow [2023-08-29 18:51:42,609 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 137 transitions, 475 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:51:42,611 INFO L231 Difference]: Finished difference. Result has 104 places, 115 transitions, 255 flow [2023-08-29 18:51:42,611 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=804, PETRI_DIFFERENCE_MINUEND_FLOW=241, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=255, PETRI_PLACES=104, PETRI_TRANSITIONS=115} [2023-08-29 18:51:42,613 INFO L281 CegarLoopForPetriNet]: 132 programPoint places, -28 predicate places. [2023-08-29 18:51:42,616 INFO L495 AbstractCegarLoop]: Abstraction has has 104 places, 115 transitions, 255 flow [2023-08-29 18:51:42,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 396.3333333333333) internal successors, (1189), 3 states have internal predecessors, (1189), 0 states have call successors, (0), 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 18:51:42,617 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:51:42,617 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:51:42,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 18:51:42,617 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2023-08-29 18:51:42,618 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:51:42,618 INFO L85 PathProgramCache]: Analyzing trace with hash 10790272, now seen corresponding path program 1 times [2023-08-29 18:51:42,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:51:42,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600481724] [2023-08-29 18:51:42,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:51:42,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:51:42,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:51:42,679 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 18:51:42,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:51:42,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600481724] [2023-08-29 18:51:42,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600481724] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:51:42,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:51:42,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:51:42,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108569518] [2023-08-29 18:51:42,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:51:42,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:51:42,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:51:42,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:51:42,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:51:42,700 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 804 [2023-08-29 18:51:42,702 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 115 transitions, 255 flow. Second operand has 3 states, 3 states have (on average 397.0) internal successors, (1191), 3 states have internal predecessors, (1191), 0 states have call successors, (0), 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 18:51:42,703 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:51:42,705 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 804 [2023-08-29 18:51:42,705 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:51:44,695 INFO L130 PetriNetUnfolder]: 23557/37841 cut-off events. [2023-08-29 18:51:44,695 INFO L131 PetriNetUnfolder]: For 235/235 co-relation queries the response was YES. [2023-08-29 18:51:44,761 INFO L83 FinitePrefix]: Finished finitePrefix Result has 68757 conditions, 37841 events. 23557/37841 cut-off events. For 235/235 co-relation queries the response was YES. Maximal size of possible extension queue 1554. Compared 297627 event pairs, 5543 based on Foata normal form. 0/27491 useless extension candidates. Maximal degree in co-relation 68752. Up to 30522 conditions per place. [2023-08-29 18:51:44,873 INFO L137 encePairwiseOnDemand]: 796/804 looper letters, 90 selfloop transitions, 2 changer transitions 0/133 dead transitions. [2023-08-29 18:51:44,874 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 133 transitions, 477 flow [2023-08-29 18:51:44,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:51:44,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:51:44,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1283 transitions. [2023-08-29 18:51:44,877 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5319237147595357 [2023-08-29 18:51:44,881 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1283 transitions. [2023-08-29 18:51:44,882 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1283 transitions. [2023-08-29 18:51:44,882 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:51:44,883 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1283 transitions. [2023-08-29 18:51:44,885 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 427.6666666666667) internal successors, (1283), 3 states have internal predecessors, (1283), 0 states have call successors, (0), 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 18:51:44,889 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 804.0) internal successors, (3216), 4 states have internal predecessors, (3216), 0 states have call successors, (0), 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 18:51:44,891 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 804.0) internal successors, (3216), 4 states have internal predecessors, (3216), 0 states have call successors, (0), 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 18:51:44,891 INFO L175 Difference]: Start difference. First operand has 104 places, 115 transitions, 255 flow. Second operand 3 states and 1283 transitions. [2023-08-29 18:51:44,891 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 133 transitions, 477 flow [2023-08-29 18:51:44,894 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 133 transitions, 477 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:51:44,897 INFO L231 Difference]: Finished difference. Result has 101 places, 111 transitions, 257 flow [2023-08-29 18:51:44,898 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=804, PETRI_DIFFERENCE_MINUEND_FLOW=243, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=257, PETRI_PLACES=101, PETRI_TRANSITIONS=111} [2023-08-29 18:51:44,899 INFO L281 CegarLoopForPetriNet]: 132 programPoint places, -31 predicate places. [2023-08-29 18:51:44,899 INFO L495 AbstractCegarLoop]: Abstraction has has 101 places, 111 transitions, 257 flow [2023-08-29 18:51:44,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 397.0) internal successors, (1191), 3 states have internal predecessors, (1191), 0 states have call successors, (0), 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 18:51:44,900 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:51:44,900 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:51:44,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 18:51:44,900 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2023-08-29 18:51:44,901 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:51:44,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1113949266, now seen corresponding path program 1 times [2023-08-29 18:51:44,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:51:44,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455428164] [2023-08-29 18:51:44,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:51:44,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:51:44,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:51:44,941 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 18:51:44,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:51:44,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455428164] [2023-08-29 18:51:44,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455428164] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:51:44,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:51:44,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 18:51:44,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046612977] [2023-08-29 18:51:44,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:51:44,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:51:44,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:51:44,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:51:44,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:51:44,949 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 409 out of 804 [2023-08-29 18:51:44,950 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 111 transitions, 257 flow. Second operand has 3 states, 3 states have (on average 411.0) internal successors, (1233), 3 states have internal predecessors, (1233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:44,950 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:51:44,951 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 409 of 804 [2023-08-29 18:51:44,951 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:51:47,224 INFO L130 PetriNetUnfolder]: 25809/41716 cut-off events. [2023-08-29 18:51:47,224 INFO L131 PetriNetUnfolder]: For 157/157 co-relation queries the response was YES. [2023-08-29 18:51:47,312 INFO L83 FinitePrefix]: Finished finitePrefix Result has 75359 conditions, 41716 events. 25809/41716 cut-off events. For 157/157 co-relation queries the response was YES. Maximal size of possible extension queue 1898. Compared 341310 event pairs, 10890 based on Foata normal form. 0/29268 useless extension candidates. Maximal degree in co-relation 75353. Up to 22876 conditions per place. [2023-08-29 18:51:47,624 INFO L137 encePairwiseOnDemand]: 800/804 looper letters, 109 selfloop transitions, 3 changer transitions 0/160 dead transitions. [2023-08-29 18:51:47,624 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 160 transitions, 581 flow [2023-08-29 18:51:47,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:51:47,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:51:47,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1340 transitions. [2023-08-29 18:51:47,627 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5555555555555556 [2023-08-29 18:51:47,628 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1340 transitions. [2023-08-29 18:51:47,628 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1340 transitions. [2023-08-29 18:51:47,628 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:51:47,629 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1340 transitions. [2023-08-29 18:51:47,631 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 446.6666666666667) internal successors, (1340), 3 states have internal predecessors, (1340), 0 states have call successors, (0), 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 18:51:47,636 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 804.0) internal successors, (3216), 4 states have internal predecessors, (3216), 0 states have call successors, (0), 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 18:51:47,637 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 804.0) internal successors, (3216), 4 states have internal predecessors, (3216), 0 states have call successors, (0), 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 18:51:47,637 INFO L175 Difference]: Start difference. First operand has 101 places, 111 transitions, 257 flow. Second operand 3 states and 1340 transitions. [2023-08-29 18:51:47,637 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 160 transitions, 581 flow [2023-08-29 18:51:47,638 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 160 transitions, 581 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:51:47,640 INFO L231 Difference]: Finished difference. Result has 105 places, 113 transitions, 279 flow [2023-08-29 18:51:47,640 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=804, PETRI_DIFFERENCE_MINUEND_FLOW=257, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=279, PETRI_PLACES=105, PETRI_TRANSITIONS=113} [2023-08-29 18:51:47,641 INFO L281 CegarLoopForPetriNet]: 132 programPoint places, -27 predicate places. [2023-08-29 18:51:47,641 INFO L495 AbstractCegarLoop]: Abstraction has has 105 places, 113 transitions, 279 flow [2023-08-29 18:51:47,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 411.0) internal successors, (1233), 3 states have internal predecessors, (1233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:47,642 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:51:47,642 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:51:47,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 18:51:47,642 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread3Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2023-08-29 18:51:47,643 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:51:47,643 INFO L85 PathProgramCache]: Analyzing trace with hash -2142659052, now seen corresponding path program 1 times [2023-08-29 18:51:47,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:51:47,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677330193] [2023-08-29 18:51:47,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:51:47,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:51:47,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:51:47,670 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 18:51:47,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:51:47,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677330193] [2023-08-29 18:51:47,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677330193] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:51:47,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:51:47,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 18:51:47,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779994021] [2023-08-29 18:51:47,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:51:47,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:51:47,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:51:47,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:51:47,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:51:47,680 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 407 out of 804 [2023-08-29 18:51:47,681 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 113 transitions, 279 flow. Second operand has 3 states, 3 states have (on average 409.6666666666667) internal successors, (1229), 3 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:47,682 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:51:47,682 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 407 of 804 [2023-08-29 18:51:47,682 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:51:50,208 INFO L130 PetriNetUnfolder]: 29163/46899 cut-off events. [2023-08-29 18:51:50,209 INFO L131 PetriNetUnfolder]: For 4854/4854 co-relation queries the response was YES. [2023-08-29 18:51:50,396 INFO L83 FinitePrefix]: Finished finitePrefix Result has 88716 conditions, 46899 events. 29163/46899 cut-off events. For 4854/4854 co-relation queries the response was YES. Maximal size of possible extension queue 2127. Compared 385747 event pairs, 12201 based on Foata normal form. 0/34534 useless extension candidates. Maximal degree in co-relation 88708. Up to 25017 conditions per place. [2023-08-29 18:51:50,566 INFO L137 encePairwiseOnDemand]: 800/804 looper letters, 105 selfloop transitions, 3 changer transitions 0/156 dead transitions. [2023-08-29 18:51:50,567 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 156 transitions, 601 flow [2023-08-29 18:51:50,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:51:50,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:51:50,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1326 transitions. [2023-08-29 18:51:50,570 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5497512437810945 [2023-08-29 18:51:50,570 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1326 transitions. [2023-08-29 18:51:50,571 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1326 transitions. [2023-08-29 18:51:50,571 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:51:50,572 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1326 transitions. [2023-08-29 18:51:50,574 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 442.0) internal successors, (1326), 3 states have internal predecessors, (1326), 0 states have call successors, (0), 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 18:51:50,579 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 804.0) internal successors, (3216), 4 states have internal predecessors, (3216), 0 states have call successors, (0), 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 18:51:50,580 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 804.0) internal successors, (3216), 4 states have internal predecessors, (3216), 0 states have call successors, (0), 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 18:51:50,580 INFO L175 Difference]: Start difference. First operand has 105 places, 113 transitions, 279 flow. Second operand 3 states and 1326 transitions. [2023-08-29 18:51:50,580 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 156 transitions, 601 flow [2023-08-29 18:51:50,642 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 156 transitions, 589 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 18:51:50,643 INFO L231 Difference]: Finished difference. Result has 107 places, 115 transitions, 295 flow [2023-08-29 18:51:50,644 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=804, PETRI_DIFFERENCE_MINUEND_FLOW=273, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=295, PETRI_PLACES=107, PETRI_TRANSITIONS=115} [2023-08-29 18:51:50,644 INFO L281 CegarLoopForPetriNet]: 132 programPoint places, -25 predicate places. [2023-08-29 18:51:50,645 INFO L495 AbstractCegarLoop]: Abstraction has has 107 places, 115 transitions, 295 flow [2023-08-29 18:51:50,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 409.6666666666667) internal successors, (1229), 3 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:50,646 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:51:50,646 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:51:50,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 18:51:50,646 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2023-08-29 18:51:50,646 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:51:50,647 INFO L85 PathProgramCache]: Analyzing trace with hash 764024205, now seen corresponding path program 1 times [2023-08-29 18:51:50,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:51:50,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830797875] [2023-08-29 18:51:50,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:51:50,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:51:50,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:51:50,675 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 18:51:50,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:51:50,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830797875] [2023-08-29 18:51:50,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830797875] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:51:50,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:51:50,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 18:51:50,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034335962] [2023-08-29 18:51:50,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:51:50,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:51:50,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:51:50,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:51:50,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:51:50,684 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 409 out of 804 [2023-08-29 18:51:50,686 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 115 transitions, 295 flow. Second operand has 3 states, 3 states have (on average 411.3333333333333) internal successors, (1234), 3 states have internal predecessors, (1234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:50,686 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:51:50,686 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 409 of 804 [2023-08-29 18:51:50,686 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:51:54,566 INFO L130 PetriNetUnfolder]: 43395/69855 cut-off events. [2023-08-29 18:51:54,566 INFO L131 PetriNetUnfolder]: For 9844/9844 co-relation queries the response was YES. [2023-08-29 18:51:54,906 INFO L83 FinitePrefix]: Finished finitePrefix Result has 137107 conditions, 69855 events. 43395/69855 cut-off events. For 9844/9844 co-relation queries the response was YES. Maximal size of possible extension queue 2918. Compared 602196 event pairs, 18156 based on Foata normal form. 0/51805 useless extension candidates. Maximal degree in co-relation 137098. Up to 37104 conditions per place. [2023-08-29 18:51:55,161 INFO L137 encePairwiseOnDemand]: 800/804 looper letters, 117 selfloop transitions, 3 changer transitions 0/168 dead transitions. [2023-08-29 18:51:55,161 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 168 transitions, 673 flow [2023-08-29 18:51:55,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:51:55,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:51:55,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1340 transitions. [2023-08-29 18:51:55,164 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5555555555555556 [2023-08-29 18:51:55,164 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1340 transitions. [2023-08-29 18:51:55,164 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1340 transitions. [2023-08-29 18:51:55,165 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:51:55,165 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1340 transitions. [2023-08-29 18:51:55,168 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 446.6666666666667) internal successors, (1340), 3 states have internal predecessors, (1340), 0 states have call successors, (0), 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 18:51:55,171 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 804.0) internal successors, (3216), 4 states have internal predecessors, (3216), 0 states have call successors, (0), 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 18:51:55,172 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 804.0) internal successors, (3216), 4 states have internal predecessors, (3216), 0 states have call successors, (0), 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 18:51:55,172 INFO L175 Difference]: Start difference. First operand has 107 places, 115 transitions, 295 flow. Second operand 3 states and 1340 transitions. [2023-08-29 18:51:55,172 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 168 transitions, 673 flow [2023-08-29 18:51:55,416 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 168 transitions, 661 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 18:51:55,418 INFO L231 Difference]: Finished difference. Result has 109 places, 117 transitions, 311 flow [2023-08-29 18:51:55,418 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=804, PETRI_DIFFERENCE_MINUEND_FLOW=289, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=311, PETRI_PLACES=109, PETRI_TRANSITIONS=117} [2023-08-29 18:51:55,419 INFO L281 CegarLoopForPetriNet]: 132 programPoint places, -23 predicate places. [2023-08-29 18:51:55,419 INFO L495 AbstractCegarLoop]: Abstraction has has 109 places, 117 transitions, 311 flow [2023-08-29 18:51:55,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 411.3333333333333) internal successors, (1234), 3 states have internal predecessors, (1234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 18:51:55,420 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:51:55,420 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:51:55,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 18:51:55,420 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2023-08-29 18:51:55,421 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:51:55,421 INFO L85 PathProgramCache]: Analyzing trace with hash -183245784, now seen corresponding path program 1 times [2023-08-29 18:51:55,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:51:55,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208895921] [2023-08-29 18:51:55,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:51:55,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:51:55,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:51:55,443 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 18:51:55,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:51:55,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208895921] [2023-08-29 18:51:55,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208895921] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:51:55,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:51:55,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:51:55,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312791783] [2023-08-29 18:51:55,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:51:55,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:51:55,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:51:55,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:51:55,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:51:55,458 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 401 out of 804 [2023-08-29 18:51:55,459 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 117 transitions, 311 flow. Second operand has 3 states, 3 states have (on average 403.6666666666667) internal successors, (1211), 3 states have internal predecessors, (1211), 0 states have call successors, (0), 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 18:51:55,459 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:51:55,459 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 401 of 804 [2023-08-29 18:51:55,459 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:52:03,702 INFO L130 PetriNetUnfolder]: 89929/134684 cut-off events. [2023-08-29 18:52:03,703 INFO L131 PetriNetUnfolder]: For 22030/22030 co-relation queries the response was YES. [2023-08-29 18:52:04,126 INFO L83 FinitePrefix]: Finished finitePrefix Result has 280213 conditions, 134684 events. 89929/134684 cut-off events. For 22030/22030 co-relation queries the response was YES. Maximal size of possible extension queue 4688. Compared 1105494 event pairs, 24906 based on Foata normal form. 0/106837 useless extension candidates. Maximal degree in co-relation 280203. Up to 69668 conditions per place. [2023-08-29 18:52:04,592 INFO L137 encePairwiseOnDemand]: 796/804 looper letters, 136 selfloop transitions, 4 changer transitions 0/178 dead transitions. [2023-08-29 18:52:04,592 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 178 transitions, 759 flow [2023-08-29 18:52:04,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:52:04,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:52:04,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1335 transitions. [2023-08-29 18:52:04,595 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5534825870646766 [2023-08-29 18:52:04,595 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1335 transitions. [2023-08-29 18:52:04,595 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1335 transitions. [2023-08-29 18:52:04,596 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:52:04,596 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1335 transitions. [2023-08-29 18:52:04,598 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 445.0) internal successors, (1335), 3 states have internal predecessors, (1335), 0 states have call successors, (0), 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 18:52:04,601 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 804.0) internal successors, (3216), 4 states have internal predecessors, (3216), 0 states have call successors, (0), 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 18:52:04,602 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 804.0) internal successors, (3216), 4 states have internal predecessors, (3216), 0 states have call successors, (0), 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 18:52:04,602 INFO L175 Difference]: Start difference. First operand has 109 places, 117 transitions, 311 flow. Second operand 3 states and 1335 transitions. [2023-08-29 18:52:04,602 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 178 transitions, 759 flow [2023-08-29 18:52:05,061 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 178 transitions, 747 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 18:52:05,063 INFO L231 Difference]: Finished difference. Result has 106 places, 117 transitions, 329 flow [2023-08-29 18:52:05,063 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=804, PETRI_DIFFERENCE_MINUEND_FLOW=297, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=329, PETRI_PLACES=106, PETRI_TRANSITIONS=117} [2023-08-29 18:52:05,064 INFO L281 CegarLoopForPetriNet]: 132 programPoint places, -26 predicate places. [2023-08-29 18:52:05,064 INFO L495 AbstractCegarLoop]: Abstraction has has 106 places, 117 transitions, 329 flow [2023-08-29 18:52:05,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.6666666666667) internal successors, (1211), 3 states have internal predecessors, (1211), 0 states have call successors, (0), 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 18:52:05,065 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:52:05,065 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:52:05,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 18:52:05,066 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread3Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2023-08-29 18:52:05,066 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:52:05,066 INFO L85 PathProgramCache]: Analyzing trace with hash -1998038601, now seen corresponding path program 1 times [2023-08-29 18:52:05,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:52:05,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167870273] [2023-08-29 18:52:05,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:52:05,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:52:05,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:52:05,089 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 18:52:05,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:52:05,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167870273] [2023-08-29 18:52:05,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167870273] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:52:05,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:52:05,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:52:05,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500907650] [2023-08-29 18:52:05,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:52:05,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:52:05,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:52:05,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:52:05,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:52:05,101 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 407 out of 804 [2023-08-29 18:52:05,103 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 117 transitions, 329 flow. Second operand has 3 states, 3 states have (on average 410.3333333333333) internal successors, (1231), 3 states have internal predecessors, (1231), 0 states have call successors, (0), 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 18:52:05,103 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:52:05,103 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 407 of 804 [2023-08-29 18:52:05,103 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:52:12,035 INFO L130 PetriNetUnfolder]: 69625/107772 cut-off events. [2023-08-29 18:52:12,036 INFO L131 PetriNetUnfolder]: For 16395/16471 co-relation queries the response was YES. [2023-08-29 18:52:12,379 INFO L83 FinitePrefix]: Finished finitePrefix Result has 223211 conditions, 107772 events. 69625/107772 cut-off events. For 16395/16471 co-relation queries the response was YES. Maximal size of possible extension queue 3882. Compared 913300 event pairs, 38140 based on Foata normal form. 2658/85380 useless extension candidates. Maximal degree in co-relation 223201. Up to 76442 conditions per place. [2023-08-29 18:52:12,684 INFO L137 encePairwiseOnDemand]: 798/804 looper letters, 108 selfloop transitions, 6 changer transitions 2/161 dead transitions. [2023-08-29 18:52:12,685 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 161 transitions, 689 flow [2023-08-29 18:52:12,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:52:12,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:52:12,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1324 transitions. [2023-08-29 18:52:12,688 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.548922056384743 [2023-08-29 18:52:12,688 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1324 transitions. [2023-08-29 18:52:12,688 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1324 transitions. [2023-08-29 18:52:12,688 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:52:12,689 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1324 transitions. [2023-08-29 18:52:12,691 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 441.3333333333333) internal successors, (1324), 3 states have internal predecessors, (1324), 0 states have call successors, (0), 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 18:52:12,694 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 804.0) internal successors, (3216), 4 states have internal predecessors, (3216), 0 states have call successors, (0), 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 18:52:12,694 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 804.0) internal successors, (3216), 4 states have internal predecessors, (3216), 0 states have call successors, (0), 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 18:52:12,694 INFO L175 Difference]: Start difference. First operand has 106 places, 117 transitions, 329 flow. Second operand 3 states and 1324 transitions. [2023-08-29 18:52:12,694 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 161 transitions, 689 flow [2023-08-29 18:52:12,782 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 161 transitions, 689 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:52:12,783 INFO L231 Difference]: Finished difference. Result has 107 places, 116 transitions, 339 flow [2023-08-29 18:52:12,783 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=804, PETRI_DIFFERENCE_MINUEND_FLOW=327, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=339, PETRI_PLACES=107, PETRI_TRANSITIONS=116} [2023-08-29 18:52:12,784 INFO L281 CegarLoopForPetriNet]: 132 programPoint places, -25 predicate places. [2023-08-29 18:52:12,784 INFO L495 AbstractCegarLoop]: Abstraction has has 107 places, 116 transitions, 339 flow [2023-08-29 18:52:12,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 410.3333333333333) internal successors, (1231), 3 states have internal predecessors, (1231), 0 states have call successors, (0), 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 18:52:12,785 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:52:12,785 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:52:12,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-29 18:52:12,785 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2023-08-29 18:52:12,785 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:52:12,785 INFO L85 PathProgramCache]: Analyzing trace with hash -2010720260, now seen corresponding path program 1 times [2023-08-29 18:52:12,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:52:12,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011028693] [2023-08-29 18:52:12,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:52:12,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:52:12,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:52:12,814 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 18:52:12,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:52:12,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011028693] [2023-08-29 18:52:12,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011028693] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:52:12,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:52:12,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 18:52:12,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269300000] [2023-08-29 18:52:12,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:52:12,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:52:12,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:52:12,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:52:12,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:52:12,823 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 409 out of 804 [2023-08-29 18:52:12,824 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 116 transitions, 339 flow. Second operand has 3 states, 3 states have (on average 412.3333333333333) internal successors, (1237), 3 states have internal predecessors, (1237), 0 states have call successors, (0), 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 18:52:12,825 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:52:12,825 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 409 of 804 [2023-08-29 18:52:12,825 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:52:22,835 INFO L130 PetriNetUnfolder]: 102132/158057 cut-off events. [2023-08-29 18:52:22,835 INFO L131 PetriNetUnfolder]: For 33967/34043 co-relation queries the response was YES. [2023-08-29 18:52:23,657 INFO L83 FinitePrefix]: Finished finitePrefix Result has 343188 conditions, 158057 events. 102132/158057 cut-off events. For 33967/34043 co-relation queries the response was YES. Maximal size of possible extension queue 5279. Compared 1384844 event pairs, 44242 based on Foata normal form. 18/128885 useless extension candidates. Maximal degree in co-relation 343177. Up to 90004 conditions per place. [2023-08-29 18:52:24,135 INFO L137 encePairwiseOnDemand]: 800/804 looper letters, 122 selfloop transitions, 4 changer transitions 0/171 dead transitions. [2023-08-29 18:52:24,136 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 171 transitions, 761 flow [2023-08-29 18:52:24,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:52:24,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:52:24,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1339 transitions. [2023-08-29 18:52:24,139 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5551409618573798 [2023-08-29 18:52:24,139 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1339 transitions. [2023-08-29 18:52:24,139 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1339 transitions. [2023-08-29 18:52:24,140 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:52:24,140 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1339 transitions. [2023-08-29 18:52:24,142 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 446.3333333333333) internal successors, (1339), 3 states have internal predecessors, (1339), 0 states have call successors, (0), 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 18:52:24,145 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 804.0) internal successors, (3216), 4 states have internal predecessors, (3216), 0 states have call successors, (0), 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 18:52:24,145 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 804.0) internal successors, (3216), 4 states have internal predecessors, (3216), 0 states have call successors, (0), 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 18:52:24,145 INFO L175 Difference]: Start difference. First operand has 107 places, 116 transitions, 339 flow. Second operand 3 states and 1339 transitions. [2023-08-29 18:52:24,146 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 171 transitions, 761 flow [2023-08-29 18:52:47,965 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 171 transitions, 737 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 18:52:47,967 INFO L231 Difference]: Finished difference. Result has 109 places, 119 transitions, 361 flow [2023-08-29 18:52:47,968 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=804, PETRI_DIFFERENCE_MINUEND_FLOW=327, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=361, PETRI_PLACES=109, PETRI_TRANSITIONS=119} [2023-08-29 18:52:47,968 INFO L281 CegarLoopForPetriNet]: 132 programPoint places, -23 predicate places. [2023-08-29 18:52:47,968 INFO L495 AbstractCegarLoop]: Abstraction has has 109 places, 119 transitions, 361 flow [2023-08-29 18:52:47,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 412.3333333333333) internal successors, (1237), 3 states have internal predecessors, (1237), 0 states have call successors, (0), 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 18:52:47,969 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:52:47,969 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:52:47,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-29 18:52:47,969 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2023-08-29 18:52:47,970 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:52:47,970 INFO L85 PathProgramCache]: Analyzing trace with hash -5505588, now seen corresponding path program 1 times [2023-08-29 18:52:47,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:52:47,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885626588] [2023-08-29 18:52:47,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:52:47,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:52:47,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:52:47,991 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 18:52:47,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:52:47,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885626588] [2023-08-29 18:52:47,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885626588] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:52:47,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:52:47,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:52:47,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701338222] [2023-08-29 18:52:47,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:52:47,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:52:47,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:52:47,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:52:47,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:52:48,005 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 401 out of 804 [2023-08-29 18:52:48,006 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 119 transitions, 361 flow. Second operand has 3 states, 3 states have (on average 403.6666666666667) internal successors, (1211), 3 states have internal predecessors, (1211), 0 states have call successors, (0), 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 18:52:48,006 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:52:48,007 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 401 of 804 [2023-08-29 18:52:48,007 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:53:02,084 INFO L130 PetriNetUnfolder]: 161032/230305 cut-off events. [2023-08-29 18:53:02,084 INFO L131 PetriNetUnfolder]: For 61096/61152 co-relation queries the response was YES. [2023-08-29 18:53:02,907 INFO L83 FinitePrefix]: Finished finitePrefix Result has 515388 conditions, 230305 events. 161032/230305 cut-off events. For 61096/61152 co-relation queries the response was YES. Maximal size of possible extension queue 6678. Compared 1806036 event pairs, 49675 based on Foata normal form. 16/184952 useless extension candidates. Maximal degree in co-relation 515376. Up to 117542 conditions per place. [2023-08-29 18:53:03,609 INFO L137 encePairwiseOnDemand]: 796/804 looper letters, 145 selfloop transitions, 4 changer transitions 0/185 dead transitions. [2023-08-29 18:53:03,610 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 185 transitions, 869 flow [2023-08-29 18:53:03,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:53:03,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:53:03,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1335 transitions. [2023-08-29 18:53:03,612 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5534825870646766 [2023-08-29 18:53:03,612 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1335 transitions. [2023-08-29 18:53:03,612 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1335 transitions. [2023-08-29 18:53:03,613 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:53:03,613 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1335 transitions. [2023-08-29 18:53:03,614 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 445.0) internal successors, (1335), 3 states have internal predecessors, (1335), 0 states have call successors, (0), 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 18:53:03,616 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 804.0) internal successors, (3216), 4 states have internal predecessors, (3216), 0 states have call successors, (0), 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 18:53:03,617 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 804.0) internal successors, (3216), 4 states have internal predecessors, (3216), 0 states have call successors, (0), 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 18:53:03,617 INFO L175 Difference]: Start difference. First operand has 109 places, 119 transitions, 361 flow. Second operand 3 states and 1335 transitions. [2023-08-29 18:53:03,617 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 185 transitions, 869 flow [2023-08-29 18:53:06,745 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 185 transitions, 853 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 18:53:06,748 INFO L231 Difference]: Finished difference. Result has 106 places, 119 transitions, 375 flow [2023-08-29 18:53:06,748 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=804, PETRI_DIFFERENCE_MINUEND_FLOW=345, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=375, PETRI_PLACES=106, PETRI_TRANSITIONS=119} [2023-08-29 18:53:06,748 INFO L281 CegarLoopForPetriNet]: 132 programPoint places, -26 predicate places. [2023-08-29 18:53:06,748 INFO L495 AbstractCegarLoop]: Abstraction has has 106 places, 119 transitions, 375 flow [2023-08-29 18:53:06,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.6666666666667) internal successors, (1211), 3 states have internal predecessors, (1211), 0 states have call successors, (0), 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 18:53:06,749 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:53:06,749 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:53:06,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-29 18:53:06,749 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2023-08-29 18:53:06,749 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:53:06,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1951447848, now seen corresponding path program 1 times [2023-08-29 18:53:06,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:53:06,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301544141] [2023-08-29 18:53:06,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:53:06,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:53:06,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:53:06,794 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 18:53:06,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:53:06,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301544141] [2023-08-29 18:53:06,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301544141] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:53:06,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:53:06,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:53:06,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512888041] [2023-08-29 18:53:06,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:53:06,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:53:06,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:53:06,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:53:06,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:53:06,808 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 401 out of 804 [2023-08-29 18:53:06,809 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 119 transitions, 375 flow. Second operand has 3 states, 3 states have (on average 404.6666666666667) internal successors, (1214), 3 states have internal predecessors, (1214), 0 states have call successors, (0), 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 18:53:06,809 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:53:06,809 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 401 of 804 [2023-08-29 18:53:06,809 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:53:22,592 INFO L130 PetriNetUnfolder]: 175158/248964 cut-off events. [2023-08-29 18:53:22,592 INFO L131 PetriNetUnfolder]: For 55360/56648 co-relation queries the response was YES. [2023-08-29 18:53:23,488 INFO L83 FinitePrefix]: Finished finitePrefix Result has 562768 conditions, 248964 events. 175158/248964 cut-off events. For 55360/56648 co-relation queries the response was YES. Maximal size of possible extension queue 6638. Compared 1929474 event pairs, 54316 based on Foata normal form. 70/198996 useless extension candidates. Maximal degree in co-relation 562756. Up to 130545 conditions per place. [2023-08-29 18:53:23,629 INFO L137 encePairwiseOnDemand]: 796/804 looper letters, 0 selfloop transitions, 0 changer transitions 185/185 dead transitions. [2023-08-29 18:53:23,629 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 185 transitions, 881 flow [2023-08-29 18:53:23,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:53:23,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:53:23,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1333 transitions. [2023-08-29 18:53:23,631 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.552653399668325 [2023-08-29 18:53:23,631 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1333 transitions. [2023-08-29 18:53:23,631 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1333 transitions. [2023-08-29 18:53:23,632 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:53:23,632 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1333 transitions. [2023-08-29 18:53:23,634 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 444.3333333333333) internal successors, (1333), 3 states have internal predecessors, (1333), 0 states have call successors, (0), 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 18:53:23,637 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 804.0) internal successors, (3216), 4 states have internal predecessors, (3216), 0 states have call successors, (0), 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 18:53:23,637 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 804.0) internal successors, (3216), 4 states have internal predecessors, (3216), 0 states have call successors, (0), 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 18:53:23,638 INFO L175 Difference]: Start difference. First operand has 106 places, 119 transitions, 375 flow. Second operand 3 states and 1333 transitions. [2023-08-29 18:53:23,638 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 185 transitions, 881 flow [2023-08-29 18:53:24,854 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 185 transitions, 881 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:53:24,855 INFO L231 Difference]: Finished difference. Result has 104 places, 0 transitions, 0 flow [2023-08-29 18:53:24,855 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=804, PETRI_DIFFERENCE_MINUEND_FLOW=367, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=104, PETRI_TRANSITIONS=0} [2023-08-29 18:53:24,856 INFO L281 CegarLoopForPetriNet]: 132 programPoint places, -28 predicate places. [2023-08-29 18:53:24,856 INFO L495 AbstractCegarLoop]: Abstraction has has 104 places, 0 transitions, 0 flow [2023-08-29 18:53:24,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 404.6666666666667) internal successors, (1214), 3 states have internal predecessors, (1214), 0 states have call successors, (0), 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 18:53:24,859 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (82 of 83 remaining) [2023-08-29 18:53:24,859 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (81 of 83 remaining) [2023-08-29 18:53:24,859 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (80 of 83 remaining) [2023-08-29 18:53:24,860 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (79 of 83 remaining) [2023-08-29 18:53:24,860 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (78 of 83 remaining) [2023-08-29 18:53:24,860 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (77 of 83 remaining) [2023-08-29 18:53:24,860 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (76 of 83 remaining) [2023-08-29 18:53:24,860 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (75 of 83 remaining) [2023-08-29 18:53:24,861 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (74 of 83 remaining) [2023-08-29 18:53:24,861 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (73 of 83 remaining) [2023-08-29 18:53:24,861 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (72 of 83 remaining) [2023-08-29 18:53:24,861 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (71 of 83 remaining) [2023-08-29 18:53:24,861 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (70 of 83 remaining) [2023-08-29 18:53:24,861 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (69 of 83 remaining) [2023-08-29 18:53:24,862 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (68 of 83 remaining) [2023-08-29 18:53:24,862 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (67 of 83 remaining) [2023-08-29 18:53:24,862 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (66 of 83 remaining) [2023-08-29 18:53:24,862 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (65 of 83 remaining) [2023-08-29 18:53:24,862 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (64 of 83 remaining) [2023-08-29 18:53:24,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (63 of 83 remaining) [2023-08-29 18:53:24,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (62 of 83 remaining) [2023-08-29 18:53:24,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (61 of 83 remaining) [2023-08-29 18:53:24,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (60 of 83 remaining) [2023-08-29 18:53:24,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (59 of 83 remaining) [2023-08-29 18:53:24,864 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (58 of 83 remaining) [2023-08-29 18:53:24,864 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (57 of 83 remaining) [2023-08-29 18:53:24,864 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (56 of 83 remaining) [2023-08-29 18:53:24,865 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (55 of 83 remaining) [2023-08-29 18:53:24,865 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (54 of 83 remaining) [2023-08-29 18:53:24,865 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (53 of 83 remaining) [2023-08-29 18:53:24,865 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (52 of 83 remaining) [2023-08-29 18:53:24,865 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (51 of 83 remaining) [2023-08-29 18:53:24,865 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (50 of 83 remaining) [2023-08-29 18:53:24,866 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (49 of 83 remaining) [2023-08-29 18:53:24,866 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (48 of 83 remaining) [2023-08-29 18:53:24,866 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (47 of 83 remaining) [2023-08-29 18:53:24,866 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (46 of 83 remaining) [2023-08-29 18:53:24,866 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (45 of 83 remaining) [2023-08-29 18:53:24,866 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (44 of 83 remaining) [2023-08-29 18:53:24,866 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (43 of 83 remaining) [2023-08-29 18:53:24,867 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (42 of 83 remaining) [2023-08-29 18:53:24,867 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (41 of 83 remaining) [2023-08-29 18:53:24,867 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (40 of 83 remaining) [2023-08-29 18:53:24,867 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (39 of 83 remaining) [2023-08-29 18:53:24,867 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (38 of 83 remaining) [2023-08-29 18:53:24,867 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (37 of 83 remaining) [2023-08-29 18:53:24,868 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (36 of 83 remaining) [2023-08-29 18:53:24,868 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (35 of 83 remaining) [2023-08-29 18:53:24,868 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (34 of 83 remaining) [2023-08-29 18:53:24,868 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 83 remaining) [2023-08-29 18:53:24,868 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (32 of 83 remaining) [2023-08-29 18:53:24,868 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (31 of 83 remaining) [2023-08-29 18:53:24,868 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (30 of 83 remaining) [2023-08-29 18:53:24,869 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (29 of 83 remaining) [2023-08-29 18:53:24,869 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (28 of 83 remaining) [2023-08-29 18:53:24,869 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (27 of 83 remaining) [2023-08-29 18:53:24,869 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (26 of 83 remaining) [2023-08-29 18:53:24,869 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (25 of 83 remaining) [2023-08-29 18:53:24,869 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (24 of 83 remaining) [2023-08-29 18:53:24,869 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (23 of 83 remaining) [2023-08-29 18:53:24,870 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (22 of 83 remaining) [2023-08-29 18:53:24,870 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (21 of 83 remaining) [2023-08-29 18:53:24,870 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (20 of 83 remaining) [2023-08-29 18:53:24,871 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (19 of 83 remaining) [2023-08-29 18:53:24,871 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (18 of 83 remaining) [2023-08-29 18:53:24,871 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (17 of 83 remaining) [2023-08-29 18:53:24,871 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (16 of 83 remaining) [2023-08-29 18:53:24,871 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (15 of 83 remaining) [2023-08-29 18:53:24,871 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (14 of 83 remaining) [2023-08-29 18:53:24,872 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (13 of 83 remaining) [2023-08-29 18:53:24,872 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (12 of 83 remaining) [2023-08-29 18:53:24,872 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (11 of 83 remaining) [2023-08-29 18:53:24,872 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (10 of 83 remaining) [2023-08-29 18:53:24,873 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (9 of 83 remaining) [2023-08-29 18:53:24,873 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (8 of 83 remaining) [2023-08-29 18:53:24,873 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (7 of 83 remaining) [2023-08-29 18:53:24,873 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (6 of 83 remaining) [2023-08-29 18:53:24,873 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (5 of 83 remaining) [2023-08-29 18:53:24,873 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (4 of 83 remaining) [2023-08-29 18:53:24,874 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (3 of 83 remaining) [2023-08-29 18:53:24,874 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (2 of 83 remaining) [2023-08-29 18:53:24,874 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (1 of 83 remaining) [2023-08-29 18:53:24,874 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (0 of 83 remaining) [2023-08-29 18:53:24,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-29 18:53:24,875 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 18:53:24,879 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 18:53:24,879 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 18:53:24,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 06:53:24 BasicIcfg [2023-08-29 18:53:24,882 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 18:53:24,883 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 18:53:24,883 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 18:53:24,883 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 18:53:24,884 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:51:26" (3/4) ... [2023-08-29 18:53:24,886 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 18:53:24,890 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-29 18:53:24,891 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-29 18:53:24,891 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-08-29 18:53:24,895 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-08-29 18:53:24,895 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-29 18:53:24,896 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 18:53:24,896 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 18:53:24,929 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 18:53:24,929 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 18:53:24,929 INFO L158 Benchmark]: Toolchain (without parser) took 119371.46ms. Allocated memory was 65.0MB in the beginning and 15.9GB in the end (delta: 15.8GB). Free memory was 42.5MB in the beginning and 9.5GB in the end (delta: -9.5GB). Peak memory consumption was 6.3GB. Max. memory is 16.1GB. [2023-08-29 18:53:24,930 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 52.4MB. Free memory was 30.6MB in the beginning and 30.6MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 18:53:24,930 INFO L158 Benchmark]: CACSL2BoogieTranslator took 234.22ms. Allocated memory is still 65.0MB. Free memory was 42.2MB in the beginning and 30.0MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-29 18:53:24,930 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.28ms. Allocated memory is still 65.0MB. Free memory was 30.0MB in the beginning and 43.1MB in the end (delta: -13.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 18:53:24,930 INFO L158 Benchmark]: Boogie Preprocessor took 29.58ms. Allocated memory is still 65.0MB. Free memory was 43.1MB in the beginning and 41.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 18:53:24,931 INFO L158 Benchmark]: RCFGBuilder took 761.60ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 41.0MB in the beginning and 42.8MB in the end (delta: -1.8MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2023-08-29 18:53:24,931 INFO L158 Benchmark]: TraceAbstraction took 118222.16ms. Allocated memory was 81.8MB in the beginning and 15.9GB in the end (delta: 15.8GB). Free memory was 42.4MB in the beginning and 9.5GB in the end (delta: -9.5GB). Peak memory consumption was 6.6GB. Max. memory is 16.1GB. [2023-08-29 18:53:24,931 INFO L158 Benchmark]: Witness Printer took 46.06ms. Allocated memory is still 15.9GB. Free memory was 9.5GB in the beginning and 9.5GB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 18:53:24,933 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 52.4MB. Free memory was 30.6MB in the beginning and 30.6MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 234.22ms. Allocated memory is still 65.0MB. Free memory was 42.2MB in the beginning and 30.0MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.28ms. Allocated memory is still 65.0MB. Free memory was 30.0MB in the beginning and 43.1MB in the end (delta: -13.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.58ms. Allocated memory is still 65.0MB. Free memory was 43.1MB in the beginning and 41.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 761.60ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 41.0MB in the beginning and 42.8MB in the end (delta: -1.8MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * TraceAbstraction took 118222.16ms. Allocated memory was 81.8MB in the beginning and 15.9GB in the end (delta: 15.8GB). Free memory was 42.4MB in the beginning and 9.5GB in the end (delta: -9.5GB). Peak memory consumption was 6.6GB. Max. memory is 16.1GB. * Witness Printer took 46.06ms. Allocated memory is still 15.9GB. Free memory was 9.5GB in the beginning and 9.5GB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.9s, 391 PlacesBefore, 132 PlacesAfterwards, 406 TransitionsBefore, 141 TransitionsAfterwards, 60342 CoEnabledTransitionPairs, 8 FixpointIterations, 122 TrivialSequentialCompositions, 194 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 51 ConcurrentYvCompositions, 6 ChoiceCompositions, 375 TotalNumberOfCompositions, 216028 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 96900, independent: 95284, independent conditional: 0, independent unconditional: 95284, dependent: 1616, dependent conditional: 0, dependent unconditional: 1616, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 34508, independent: 34325, independent conditional: 0, independent unconditional: 34325, dependent: 183, dependent conditional: 0, dependent unconditional: 183, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 96900, independent: 60959, independent conditional: 0, independent unconditional: 60959, dependent: 1433, dependent conditional: 0, dependent unconditional: 1433, unknown: 34508, unknown conditional: 0, unknown unconditional: 34508] , Statistics on independence cache: Total cache size (in pairs): 3256, Positive cache size: 3145, Positive conditional cache size: 0, Positive unconditional cache size: 3145, Negative cache size: 111, Negative conditional cache size: 0, Negative unconditional cache size: 111, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 652 locations, 83 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: 118.0s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 109.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 812 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 634 mSDsluCounter, 71 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 114 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1881 IncrementalHoareTripleChecker+Invalid, 1995 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 114 mSolverCounterUnsat, 71 mSDtfsCounter, 1881 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=375occurred in iteration=11, InterpolantAutomatonStates: 35, 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, 0.3s InterpolantComputationTime, 122 NumberOfCodeBlocks, 122 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 110 ConstructedInterpolants, 0 QuantifiedInterpolants, 125 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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 47 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 18:53:24,960 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE