./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-sum-array-hom.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-sum-array-hom.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 0307f20ae0363cc6fed70ae0937c5000167639ab486b68a523e3313ccdd28e28 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 19:13:27,827 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 19:13:27,829 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 19:13:27,863 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 19:13:27,864 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 19:13:27,867 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 19:13:27,868 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 19:13:27,871 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 19:13:27,873 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 19:13:27,875 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 19:13:27,876 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 19:13:27,876 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 19:13:27,877 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 19:13:27,878 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 19:13:27,878 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 19:13:27,879 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 19:13:27,880 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 19:13:27,881 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 19:13:27,883 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 19:13:27,886 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 19:13:27,889 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 19:13:27,891 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 19:13:27,892 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 19:13:27,893 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 19:13:27,896 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 19:13:27,898 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 19:13:27,898 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 19:13:27,899 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 19:13:27,900 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 19:13:27,900 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 19:13:27,901 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 19:13:27,901 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 19:13:27,902 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 19:13:27,903 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 19:13:27,903 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 19:13:27,904 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 19:13:27,904 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 19:13:27,905 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 19:13:27,905 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 19:13:27,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 19:13:27,906 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 19:13:27,911 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 19:13:27,944 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 19:13:27,946 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 19:13:27,947 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 19:13:27,947 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 19:13:27,948 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 19:13:27,948 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 19:13:27,949 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 19:13:27,949 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 19:13:27,949 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 19:13:27,949 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 19:13:27,950 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 19:13:27,950 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 19:13:27,950 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 19:13:27,951 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 19:13:27,951 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 19:13:27,951 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 19:13:27,951 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 19:13:27,951 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 19:13:27,951 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 19:13:27,952 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 19:13:27,952 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 19:13:27,952 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 19:13:27,952 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 19:13:27,952 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 19:13:27,952 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 19:13:27,953 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 19:13:27,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 19:13:27,953 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 19:13:27,953 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 19:13:27,953 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 19:13:27,953 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 19:13:27,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 19:13:27,954 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 19:13:27,954 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 19:13:27,954 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 19:13:27,954 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 19:13:27,955 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 19:13:27,955 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0307f20ae0363cc6fed70ae0937c5000167639ab486b68a523e3313ccdd28e28 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 19:13:28,262 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 19:13:28,277 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 19:13:28,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 19:13:28,280 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 19:13:28,280 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 19:13:28,281 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-sum-array-hom.wvr.c [2023-08-29 19:13:29,455 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 19:13:29,679 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 19:13:29,680 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-sum-array-hom.wvr.c [2023-08-29 19:13:29,686 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a311875b/0741de064ae54cf59ebfbc20af3f74bd/FLAGf4b80f630 [2023-08-29 19:13:29,703 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a311875b/0741de064ae54cf59ebfbc20af3f74bd [2023-08-29 19:13:29,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 19:13:29,706 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 19:13:29,710 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 19:13:29,710 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 19:13:29,713 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 19:13:29,713 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 07:13:29" (1/1) ... [2023-08-29 19:13:29,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@651a8db0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:13:29, skipping insertion in model container [2023-08-29 19:13:29,715 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 07:13:29" (1/1) ... [2023-08-29 19:13:29,721 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 19:13:29,737 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 19:13:29,890 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-sum-array-hom.wvr.c[2396,2409] [2023-08-29 19:13:29,896 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 19:13:29,903 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 19:13:29,926 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-sum-array-hom.wvr.c[2396,2409] [2023-08-29 19:13:29,930 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 19:13:29,942 INFO L208 MainTranslator]: Completed translation [2023-08-29 19:13:29,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:13:29 WrapperNode [2023-08-29 19:13:29,942 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 19:13:29,943 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 19:13:29,944 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 19:13:29,944 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 19:13:29,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:13:29" (1/1) ... [2023-08-29 19:13:29,960 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:13:29" (1/1) ... [2023-08-29 19:13:29,983 INFO L138 Inliner]: procedures = 25, calls = 34, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 157 [2023-08-29 19:13:29,983 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 19:13:29,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 19:13:29,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 19:13:29,986 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 19:13:29,992 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:13:29" (1/1) ... [2023-08-29 19:13:29,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:13:29" (1/1) ... [2023-08-29 19:13:29,996 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:13:29" (1/1) ... [2023-08-29 19:13:29,996 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:13:29" (1/1) ... [2023-08-29 19:13:30,029 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:13:29" (1/1) ... [2023-08-29 19:13:30,033 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:13:29" (1/1) ... [2023-08-29 19:13:30,053 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:13:29" (1/1) ... [2023-08-29 19:13:30,058 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:13:29" (1/1) ... [2023-08-29 19:13:30,060 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 19:13:30,061 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 19:13:30,065 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 19:13:30,065 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 19:13:30,066 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:13:29" (1/1) ... [2023-08-29 19:13:30,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 19:13:30,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 19:13:30,088 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 19:13:30,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 19:13:30,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 19:13:30,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 19:13:30,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 19:13:30,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 19:13:30,123 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 19:13:30,123 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 19:13:30,123 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 19:13:30,124 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 19:13:30,124 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-29 19:13:30,124 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-29 19:13:30,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 19:13:30,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 19:13:30,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 19:13:30,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 19:13:30,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 19:13:30,126 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 19:13:30,210 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 19:13:30,211 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 19:13:30,715 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 19:13:30,725 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 19:13:30,725 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-08-29 19:13:30,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 07:13:30 BoogieIcfgContainer [2023-08-29 19:13:30,727 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 19:13:30,737 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 19:13:30,738 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 19:13:30,740 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 19:13:30,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 07:13:29" (1/3) ... [2023-08-29 19:13:30,741 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f53f9e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 07:13:30, skipping insertion in model container [2023-08-29 19:13:30,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:13:29" (2/3) ... [2023-08-29 19:13:30,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f53f9e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 07:13:30, skipping insertion in model container [2023-08-29 19:13:30,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 07:13:30" (3/3) ... [2023-08-29 19:13:30,743 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-sum-array-hom.wvr.c [2023-08-29 19:13:30,751 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 19:13:30,759 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 19:13:30,759 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2023-08-29 19:13:30,759 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 19:13:30,913 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-29 19:13:30,959 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 276 places, 279 transitions, 582 flow [2023-08-29 19:13:31,077 INFO L130 PetriNetUnfolder]: 13/276 cut-off events. [2023-08-29 19:13:31,078 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-29 19:13:31,086 INFO L83 FinitePrefix]: Finished finitePrefix Result has 289 conditions, 276 events. 13/276 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 435 event pairs, 0 based on Foata normal form. 0/233 useless extension candidates. Maximal degree in co-relation 190. Up to 2 conditions per place. [2023-08-29 19:13:31,087 INFO L82 GeneralOperation]: Start removeDead. Operand has 276 places, 279 transitions, 582 flow [2023-08-29 19:13:31,106 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 257 places, 259 transitions, 536 flow [2023-08-29 19:13:31,109 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 19:13:31,123 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 257 places, 259 transitions, 536 flow [2023-08-29 19:13:31,126 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 257 places, 259 transitions, 536 flow [2023-08-29 19:13:31,127 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 257 places, 259 transitions, 536 flow [2023-08-29 19:13:31,181 INFO L130 PetriNetUnfolder]: 12/259 cut-off events. [2023-08-29 19:13:31,181 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-29 19:13:31,185 INFO L83 FinitePrefix]: Finished finitePrefix Result has 272 conditions, 259 events. 12/259 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 433 event pairs, 0 based on Foata normal form. 0/218 useless extension candidates. Maximal degree in co-relation 190. Up to 2 conditions per place. [2023-08-29 19:13:31,192 INFO L119 LiptonReduction]: Number of co-enabled transitions 11298 [2023-08-29 19:13:37,465 INFO L134 LiptonReduction]: Checked pairs total: 62803 [2023-08-29 19:13:37,466 INFO L136 LiptonReduction]: Total number of compositions: 237 [2023-08-29 19:13:37,477 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 19:13:37,482 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;@4bbf748c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 19:13:37,483 INFO L358 AbstractCegarLoop]: Starting to check reachability of 49 error locations. [2023-08-29 19:13:37,484 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 19:13:37,484 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 19:13:37,485 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:13:37,485 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 19:13:37,486 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2023-08-29 19:13:37,490 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:13:37,490 INFO L85 PathProgramCache]: Analyzing trace with hash 982, now seen corresponding path program 1 times [2023-08-29 19:13:37,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:13:37,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011329878] [2023-08-29 19:13:37,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:13:37,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:13:37,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:13:37,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 19:13:37,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:13:37,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011329878] [2023-08-29 19:13:37,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011329878] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:13:37,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:13:37,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 19:13:37,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781355005] [2023-08-29 19:13:37,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:13:37,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 19:13:37,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:13:37,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 19:13:37,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 19:13:37,620 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 264 out of 516 [2023-08-29 19:13:37,625 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 95 transitions, 208 flow. Second operand has 2 states, 2 states have (on average 264.5) internal successors, (529), 2 states have internal predecessors, (529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:37,625 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:13:37,625 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 264 of 516 [2023-08-29 19:13:37,626 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:13:37,978 INFO L130 PetriNetUnfolder]: 1137/3062 cut-off events. [2023-08-29 19:13:37,978 INFO L131 PetriNetUnfolder]: For 129/129 co-relation queries the response was YES. [2023-08-29 19:13:37,985 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4734 conditions, 3062 events. 1137/3062 cut-off events. For 129/129 co-relation queries the response was YES. Maximal size of possible extension queue 197. Compared 26365 event pairs, 770 based on Foata normal form. 522/2897 useless extension candidates. Maximal degree in co-relation 3998. Up to 1569 conditions per place. [2023-08-29 19:13:38,021 INFO L137 encePairwiseOnDemand]: 496/516 looper letters, 27 selfloop transitions, 0 changer transitions 1/75 dead transitions. [2023-08-29 19:13:38,023 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 75 transitions, 224 flow [2023-08-29 19:13:38,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 19:13:38,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 19:13:38,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 576 transitions. [2023-08-29 19:13:38,039 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5581395348837209 [2023-08-29 19:13:38,040 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 576 transitions. [2023-08-29 19:13:38,040 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 576 transitions. [2023-08-29 19:13:38,043 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:13:38,045 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 576 transitions. [2023-08-29 19:13:38,050 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 288.0) internal successors, (576), 2 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:38,055 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 516.0) internal successors, (1548), 3 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:38,056 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 516.0) internal successors, (1548), 3 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:38,057 INFO L175 Difference]: Start difference. First operand has 98 places, 95 transitions, 208 flow. Second operand 2 states and 576 transitions. [2023-08-29 19:13:38,058 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 75 transitions, 224 flow [2023-08-29 19:13:38,064 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 75 transitions, 212 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-08-29 19:13:38,066 INFO L231 Difference]: Finished difference. Result has 76 places, 74 transitions, 153 flow [2023-08-29 19:13:38,068 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=516, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=153, PETRI_PLACES=76, PETRI_TRANSITIONS=74} [2023-08-29 19:13:38,073 INFO L281 CegarLoopForPetriNet]: 98 programPoint places, -22 predicate places. [2023-08-29 19:13:38,073 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 74 transitions, 153 flow [2023-08-29 19:13:38,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 264.5) internal successors, (529), 2 states have internal predecessors, (529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:38,074 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:13:38,074 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-29 19:13:38,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 19:13:38,077 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2023-08-29 19:13:38,084 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:13:38,084 INFO L85 PathProgramCache]: Analyzing trace with hash -935388422, now seen corresponding path program 1 times [2023-08-29 19:13:38,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:13:38,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618375008] [2023-08-29 19:13:38,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:13:38,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:13:38,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:13:38,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 19:13:38,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:13:38,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618375008] [2023-08-29 19:13:38,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618375008] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:13:38,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:13:38,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 19:13:38,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240010130] [2023-08-29 19:13:38,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:13:38,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 19:13:38,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:13:38,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 19:13:38,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 19:13:38,246 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 251 out of 516 [2023-08-29 19:13:38,247 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 74 transitions, 153 flow. Second operand has 3 states, 3 states have (on average 252.66666666666666) internal successors, (758), 3 states have internal predecessors, (758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:38,248 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:13:38,248 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 251 of 516 [2023-08-29 19:13:38,248 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:13:38,535 INFO L130 PetriNetUnfolder]: 1440/3278 cut-off events. [2023-08-29 19:13:38,536 INFO L131 PetriNetUnfolder]: For 42/42 co-relation queries the response was YES. [2023-08-29 19:13:38,541 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5333 conditions, 3278 events. 1440/3278 cut-off events. For 42/42 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 25694 event pairs, 1067 based on Foata normal form. 0/2571 useless extension candidates. Maximal degree in co-relation 5330. Up to 2015 conditions per place. [2023-08-29 19:13:38,555 INFO L137 encePairwiseOnDemand]: 513/516 looper letters, 28 selfloop transitions, 1 changer transitions 0/72 dead transitions. [2023-08-29 19:13:38,555 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 72 transitions, 207 flow [2023-08-29 19:13:38,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 19:13:38,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 19:13:38,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 784 transitions. [2023-08-29 19:13:38,558 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5064599483204134 [2023-08-29 19:13:38,558 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 784 transitions. [2023-08-29 19:13:38,558 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 784 transitions. [2023-08-29 19:13:38,558 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:13:38,559 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 784 transitions. [2023-08-29 19:13:38,560 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 261.3333333333333) internal successors, (784), 3 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:38,563 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 516.0) internal successors, (2064), 4 states have internal predecessors, (2064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:38,564 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 516.0) internal successors, (2064), 4 states have internal predecessors, (2064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:38,564 INFO L175 Difference]: Start difference. First operand has 76 places, 74 transitions, 153 flow. Second operand 3 states and 784 transitions. [2023-08-29 19:13:38,564 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 72 transitions, 207 flow [2023-08-29 19:13:38,565 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 72 transitions, 207 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 19:13:38,566 INFO L231 Difference]: Finished difference. Result has 75 places, 72 transitions, 151 flow [2023-08-29 19:13:38,567 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=516, PETRI_DIFFERENCE_MINUEND_FLOW=149, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=151, PETRI_PLACES=75, PETRI_TRANSITIONS=72} [2023-08-29 19:13:38,567 INFO L281 CegarLoopForPetriNet]: 98 programPoint places, -23 predicate places. [2023-08-29 19:13:38,568 INFO L495 AbstractCegarLoop]: Abstraction has has 75 places, 72 transitions, 151 flow [2023-08-29 19:13:38,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 252.66666666666666) internal successors, (758), 3 states have internal predecessors, (758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:38,568 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:13:38,568 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:13:38,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 19:13:38,569 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2023-08-29 19:13:38,569 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:13:38,569 INFO L85 PathProgramCache]: Analyzing trace with hash -1259957704, now seen corresponding path program 1 times [2023-08-29 19:13:38,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:13:38,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540514852] [2023-08-29 19:13:38,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:13:38,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:13:38,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:13:38,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 19:13:38,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:13:38,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540514852] [2023-08-29 19:13:38,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540514852] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:13:38,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:13:38,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 19:13:38,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642720369] [2023-08-29 19:13:38,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:13:38,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 19:13:38,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:13:38,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 19:13:38,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 19:13:38,667 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 254 out of 516 [2023-08-29 19:13:38,668 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 72 transitions, 151 flow. Second operand has 3 states, 3 states have (on average 256.0) internal successors, (768), 3 states have internal predecessors, (768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:38,670 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:13:38,670 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 254 of 516 [2023-08-29 19:13:38,670 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:13:39,055 INFO L130 PetriNetUnfolder]: 2065/4331 cut-off events. [2023-08-29 19:13:39,055 INFO L131 PetriNetUnfolder]: For 62/62 co-relation queries the response was YES. [2023-08-29 19:13:39,061 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7264 conditions, 4331 events. 2065/4331 cut-off events. For 62/62 co-relation queries the response was YES. Maximal size of possible extension queue 233. Compared 34229 event pairs, 417 based on Foata normal form. 0/3562 useless extension candidates. Maximal degree in co-relation 7260. Up to 2561 conditions per place. [2023-08-29 19:13:39,078 INFO L137 encePairwiseOnDemand]: 510/516 looper letters, 46 selfloop transitions, 3 changer transitions 0/88 dead transitions. [2023-08-29 19:13:39,078 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 88 transitions, 285 flow [2023-08-29 19:13:39,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 19:13:39,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 19:13:39,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 814 transitions. [2023-08-29 19:13:39,081 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5258397932816538 [2023-08-29 19:13:39,081 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 814 transitions. [2023-08-29 19:13:39,081 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 814 transitions. [2023-08-29 19:13:39,082 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:13:39,082 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 814 transitions. [2023-08-29 19:13:39,084 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 271.3333333333333) internal successors, (814), 3 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:39,086 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 516.0) internal successors, (2064), 4 states have internal predecessors, (2064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:39,087 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 516.0) internal successors, (2064), 4 states have internal predecessors, (2064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:39,087 INFO L175 Difference]: Start difference. First operand has 75 places, 72 transitions, 151 flow. Second operand 3 states and 814 transitions. [2023-08-29 19:13:39,088 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 88 transitions, 285 flow [2023-08-29 19:13:39,088 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 88 transitions, 284 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 19:13:39,090 INFO L231 Difference]: Finished difference. Result has 74 places, 72 transitions, 165 flow [2023-08-29 19:13:39,090 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=516, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=165, PETRI_PLACES=74, PETRI_TRANSITIONS=72} [2023-08-29 19:13:39,091 INFO L281 CegarLoopForPetriNet]: 98 programPoint places, -24 predicate places. [2023-08-29 19:13:39,091 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 72 transitions, 165 flow [2023-08-29 19:13:39,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 256.0) internal successors, (768), 3 states have internal predecessors, (768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:39,092 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:13:39,092 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:13:39,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 19:13:39,092 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2023-08-29 19:13:39,093 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:13:39,093 INFO L85 PathProgramCache]: Analyzing trace with hash -992895440, now seen corresponding path program 1 times [2023-08-29 19:13:39,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:13:39,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457004900] [2023-08-29 19:13:39,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:13:39,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:13:39,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:13:39,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 19:13:39,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:13:39,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457004900] [2023-08-29 19:13:39,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457004900] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:13:39,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:13:39,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 19:13:39,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591918875] [2023-08-29 19:13:39,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:13:39,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 19:13:39,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:13:39,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 19:13:39,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 19:13:39,153 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 251 out of 516 [2023-08-29 19:13:39,154 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 72 transitions, 165 flow. Second operand has 3 states, 3 states have (on average 253.33333333333334) internal successors, (760), 3 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:39,155 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:13:39,155 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 251 of 516 [2023-08-29 19:13:39,155 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:13:39,462 INFO L130 PetriNetUnfolder]: 1882/4084 cut-off events. [2023-08-29 19:13:39,462 INFO L131 PetriNetUnfolder]: For 293/293 co-relation queries the response was YES. [2023-08-29 19:13:39,470 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7328 conditions, 4084 events. 1882/4084 cut-off events. For 293/293 co-relation queries the response was YES. Maximal size of possible extension queue 244. Compared 31971 event pairs, 1347 based on Foata normal form. 0/3374 useless extension candidates. Maximal degree in co-relation 7324. Up to 2662 conditions per place. [2023-08-29 19:13:39,485 INFO L137 encePairwiseOnDemand]: 513/516 looper letters, 31 selfloop transitions, 1 changer transitions 0/70 dead transitions. [2023-08-29 19:13:39,485 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 70 transitions, 225 flow [2023-08-29 19:13:39,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 19:13:39,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 19:13:39,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 784 transitions. [2023-08-29 19:13:39,488 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5064599483204134 [2023-08-29 19:13:39,488 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 784 transitions. [2023-08-29 19:13:39,488 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 784 transitions. [2023-08-29 19:13:39,488 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:13:39,488 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 784 transitions. [2023-08-29 19:13:39,490 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 261.3333333333333) internal successors, (784), 3 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:39,493 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 516.0) internal successors, (2064), 4 states have internal predecessors, (2064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:39,494 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 516.0) internal successors, (2064), 4 states have internal predecessors, (2064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:39,494 INFO L175 Difference]: Start difference. First operand has 74 places, 72 transitions, 165 flow. Second operand 3 states and 784 transitions. [2023-08-29 19:13:39,494 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 70 transitions, 225 flow [2023-08-29 19:13:39,495 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 70 transitions, 225 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 19:13:39,496 INFO L231 Difference]: Finished difference. Result has 74 places, 70 transitions, 163 flow [2023-08-29 19:13:39,496 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=516, PETRI_DIFFERENCE_MINUEND_FLOW=161, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=163, PETRI_PLACES=74, PETRI_TRANSITIONS=70} [2023-08-29 19:13:39,497 INFO L281 CegarLoopForPetriNet]: 98 programPoint places, -24 predicate places. [2023-08-29 19:13:39,497 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 70 transitions, 163 flow [2023-08-29 19:13:39,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 253.33333333333334) internal successors, (760), 3 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:39,498 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:13:39,498 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:13:39,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 19:13:39,498 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2023-08-29 19:13:39,499 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:13:39,499 INFO L85 PathProgramCache]: Analyzing trace with hash -1713106230, now seen corresponding path program 1 times [2023-08-29 19:13:39,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:13:39,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743632303] [2023-08-29 19:13:39,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:13:39,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:13:39,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:13:39,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 19:13:39,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:13:39,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743632303] [2023-08-29 19:13:39,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743632303] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:13:39,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:13:39,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 19:13:39,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546321619] [2023-08-29 19:13:39,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:13:39,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 19:13:39,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:13:39,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 19:13:39,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 19:13:40,065 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 251 out of 516 [2023-08-29 19:13:40,067 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 70 transitions, 163 flow. Second operand has 6 states, 6 states have (on average 253.0) internal successors, (1518), 6 states have internal predecessors, (1518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:40,068 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:13:40,068 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 251 of 516 [2023-08-29 19:13:40,068 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:13:40,621 INFO L130 PetriNetUnfolder]: 3857/6029 cut-off events. [2023-08-29 19:13:40,621 INFO L131 PetriNetUnfolder]: For 688/688 co-relation queries the response was YES. [2023-08-29 19:13:40,630 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12242 conditions, 6029 events. 3857/6029 cut-off events. For 688/688 co-relation queries the response was YES. Maximal size of possible extension queue 394. Compared 39876 event pairs, 344 based on Foata normal form. 0/4678 useless extension candidates. Maximal degree in co-relation 12237. Up to 1900 conditions per place. [2023-08-29 19:13:40,652 INFO L137 encePairwiseOnDemand]: 511/516 looper letters, 98 selfloop transitions, 4 changer transitions 0/137 dead transitions. [2023-08-29 19:13:40,652 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 137 transitions, 561 flow [2023-08-29 19:13:40,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 19:13:40,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 19:13:40,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1594 transitions. [2023-08-29 19:13:40,656 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5148578811369509 [2023-08-29 19:13:40,656 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1594 transitions. [2023-08-29 19:13:40,656 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1594 transitions. [2023-08-29 19:13:40,657 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:13:40,657 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1594 transitions. [2023-08-29 19:13:40,661 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 265.6666666666667) internal successors, (1594), 6 states have internal predecessors, (1594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:40,665 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 516.0) internal successors, (3612), 7 states have internal predecessors, (3612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:40,667 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 516.0) internal successors, (3612), 7 states have internal predecessors, (3612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:40,667 INFO L175 Difference]: Start difference. First operand has 74 places, 70 transitions, 163 flow. Second operand 6 states and 1594 transitions. [2023-08-29 19:13:40,667 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 137 transitions, 561 flow [2023-08-29 19:13:40,668 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 137 transitions, 560 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 19:13:40,670 INFO L231 Difference]: Finished difference. Result has 77 places, 69 transitions, 168 flow [2023-08-29 19:13:40,670 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=516, PETRI_DIFFERENCE_MINUEND_FLOW=160, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=168, PETRI_PLACES=77, PETRI_TRANSITIONS=69} [2023-08-29 19:13:40,671 INFO L281 CegarLoopForPetriNet]: 98 programPoint places, -21 predicate places. [2023-08-29 19:13:40,671 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 69 transitions, 168 flow [2023-08-29 19:13:40,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 253.0) internal successors, (1518), 6 states have internal predecessors, (1518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:40,672 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:13:40,672 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:13:40,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 19:13:40,673 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2023-08-29 19:13:40,673 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:13:40,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1431865916, now seen corresponding path program 1 times [2023-08-29 19:13:40,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:13:40,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016844281] [2023-08-29 19:13:40,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:13:40,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:13:40,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:13:40,941 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 19:13:40,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:13:40,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016844281] [2023-08-29 19:13:40,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016844281] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:13:40,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:13:40,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 19:13:40,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332477529] [2023-08-29 19:13:40,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:13:40,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 19:13:40,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:13:40,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 19:13:40,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 19:13:41,255 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 250 out of 516 [2023-08-29 19:13:41,257 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 69 transitions, 168 flow. Second operand has 6 states, 6 states have (on average 251.83333333333334) internal successors, (1511), 6 states have internal predecessors, (1511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:41,257 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:13:41,257 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 250 of 516 [2023-08-29 19:13:41,257 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:13:41,698 INFO L130 PetriNetUnfolder]: 2157/4375 cut-off events. [2023-08-29 19:13:41,698 INFO L131 PetriNetUnfolder]: For 666/666 co-relation queries the response was YES. [2023-08-29 19:13:41,707 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8544 conditions, 4375 events. 2157/4375 cut-off events. For 666/666 co-relation queries the response was YES. Maximal size of possible extension queue 247. Compared 33553 event pairs, 958 based on Foata normal form. 0/3673 useless extension candidates. Maximal degree in co-relation 8539. Up to 2002 conditions per place. [2023-08-29 19:13:41,721 INFO L137 encePairwiseOnDemand]: 510/516 looper letters, 90 selfloop transitions, 5 changer transitions 0/128 dead transitions. [2023-08-29 19:13:41,722 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 128 transitions, 508 flow [2023-08-29 19:13:41,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 19:13:41,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 19:13:41,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1593 transitions. [2023-08-29 19:13:41,726 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5145348837209303 [2023-08-29 19:13:41,726 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1593 transitions. [2023-08-29 19:13:41,727 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1593 transitions. [2023-08-29 19:13:41,727 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:13:41,728 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1593 transitions. [2023-08-29 19:13:41,732 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 265.5) internal successors, (1593), 6 states have internal predecessors, (1593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:41,736 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 516.0) internal successors, (3612), 7 states have internal predecessors, (3612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:41,737 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 516.0) internal successors, (3612), 7 states have internal predecessors, (3612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:41,738 INFO L175 Difference]: Start difference. First operand has 77 places, 69 transitions, 168 flow. Second operand 6 states and 1593 transitions. [2023-08-29 19:13:41,738 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 128 transitions, 508 flow [2023-08-29 19:13:41,744 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 128 transitions, 493 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 19:13:41,746 INFO L231 Difference]: Finished difference. Result has 77 places, 68 transitions, 169 flow [2023-08-29 19:13:41,747 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=516, PETRI_DIFFERENCE_MINUEND_FLOW=159, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=169, PETRI_PLACES=77, PETRI_TRANSITIONS=68} [2023-08-29 19:13:41,749 INFO L281 CegarLoopForPetriNet]: 98 programPoint places, -21 predicate places. [2023-08-29 19:13:41,749 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 68 transitions, 169 flow [2023-08-29 19:13:41,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 251.83333333333334) internal successors, (1511), 6 states have internal predecessors, (1511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:41,750 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:13:41,750 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:13:41,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 19:13:41,751 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2023-08-29 19:13:41,751 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:13:41,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1688722880, now seen corresponding path program 1 times [2023-08-29 19:13:41,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:13:41,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250382561] [2023-08-29 19:13:41,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:13:41,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:13:41,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:13:41,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 19:13:41,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:13:41,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250382561] [2023-08-29 19:13:41,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250382561] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:13:41,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:13:41,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-29 19:13:41,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195155215] [2023-08-29 19:13:41,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:13:41,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-29 19:13:41,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:13:41,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-29 19:13:41,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-08-29 19:13:41,980 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 254 out of 516 [2023-08-29 19:13:41,982 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 68 transitions, 169 flow. Second operand has 5 states, 5 states have (on average 255.6) internal successors, (1278), 5 states have internal predecessors, (1278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:41,982 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:13:41,982 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 254 of 516 [2023-08-29 19:13:41,982 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:13:42,459 INFO L130 PetriNetUnfolder]: 2183/5170 cut-off events. [2023-08-29 19:13:42,459 INFO L131 PetriNetUnfolder]: For 444/444 co-relation queries the response was YES. [2023-08-29 19:13:42,476 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9336 conditions, 5170 events. 2183/5170 cut-off events. For 444/444 co-relation queries the response was YES. Maximal size of possible extension queue 316. Compared 45359 event pairs, 1248 based on Foata normal form. 0/4375 useless extension candidates. Maximal degree in co-relation 9331. Up to 2010 conditions per place. [2023-08-29 19:13:42,503 INFO L137 encePairwiseOnDemand]: 511/516 looper letters, 70 selfloop transitions, 4 changer transitions 0/111 dead transitions. [2023-08-29 19:13:42,503 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 111 transitions, 435 flow [2023-08-29 19:13:42,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-29 19:13:42,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-29 19:13:42,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1338 transitions. [2023-08-29 19:13:42,507 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5186046511627908 [2023-08-29 19:13:42,507 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1338 transitions. [2023-08-29 19:13:42,507 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1338 transitions. [2023-08-29 19:13:42,508 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:13:42,508 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1338 transitions. [2023-08-29 19:13:42,512 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 267.6) internal successors, (1338), 5 states have internal predecessors, (1338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:42,516 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 516.0) internal successors, (3096), 6 states have internal predecessors, (3096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:42,516 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 516.0) internal successors, (3096), 6 states have internal predecessors, (3096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:42,517 INFO L175 Difference]: Start difference. First operand has 77 places, 68 transitions, 169 flow. Second operand 5 states and 1338 transitions. [2023-08-29 19:13:42,517 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 111 transitions, 435 flow [2023-08-29 19:13:42,519 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 111 transitions, 421 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 19:13:42,520 INFO L231 Difference]: Finished difference. Result has 79 places, 71 transitions, 188 flow [2023-08-29 19:13:42,520 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=516, PETRI_DIFFERENCE_MINUEND_FLOW=159, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=188, PETRI_PLACES=79, PETRI_TRANSITIONS=71} [2023-08-29 19:13:42,522 INFO L281 CegarLoopForPetriNet]: 98 programPoint places, -19 predicate places. [2023-08-29 19:13:42,522 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 71 transitions, 188 flow [2023-08-29 19:13:42,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 255.6) internal successors, (1278), 5 states have internal predecessors, (1278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:42,523 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:13:42,523 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:13:42,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 19:13:42,524 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2023-08-29 19:13:42,524 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:13:42,525 INFO L85 PathProgramCache]: Analyzing trace with hash -946908214, now seen corresponding path program 1 times [2023-08-29 19:13:42,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:13:42,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649000186] [2023-08-29 19:13:42,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:13:42,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:13:42,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:13:42,806 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 19:13:42,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:13:42,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649000186] [2023-08-29 19:13:42,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649000186] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:13:42,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:13:42,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 19:13:42,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390789203] [2023-08-29 19:13:42,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:13:42,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 19:13:42,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:13:42,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 19:13:42,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 19:13:43,090 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 250 out of 516 [2023-08-29 19:13:43,091 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 71 transitions, 188 flow. Second operand has 6 states, 6 states have (on average 252.33333333333334) internal successors, (1514), 6 states have internal predecessors, (1514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:43,091 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:13:43,091 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 250 of 516 [2023-08-29 19:13:43,091 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:13:43,646 INFO L130 PetriNetUnfolder]: 3015/6196 cut-off events. [2023-08-29 19:13:43,646 INFO L131 PetriNetUnfolder]: For 1098/1098 co-relation queries the response was YES. [2023-08-29 19:13:43,666 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11996 conditions, 6196 events. 3015/6196 cut-off events. For 1098/1098 co-relation queries the response was YES. Maximal size of possible extension queue 371. Compared 51922 event pairs, 1590 based on Foata normal form. 0/5354 useless extension candidates. Maximal degree in co-relation 11988. Up to 3162 conditions per place. [2023-08-29 19:13:43,690 INFO L137 encePairwiseOnDemand]: 510/516 looper letters, 93 selfloop transitions, 5 changer transitions 0/130 dead transitions. [2023-08-29 19:13:43,691 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 130 transitions, 526 flow [2023-08-29 19:13:43,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 19:13:43,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 19:13:43,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1593 transitions. [2023-08-29 19:13:43,696 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5145348837209303 [2023-08-29 19:13:43,696 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1593 transitions. [2023-08-29 19:13:43,696 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1593 transitions. [2023-08-29 19:13:43,697 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:13:43,697 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1593 transitions. [2023-08-29 19:13:43,700 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 265.5) internal successors, (1593), 6 states have internal predecessors, (1593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:43,703 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 516.0) internal successors, (3612), 7 states have internal predecessors, (3612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:43,704 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 516.0) internal successors, (3612), 7 states have internal predecessors, (3612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:43,704 INFO L175 Difference]: Start difference. First operand has 79 places, 71 transitions, 188 flow. Second operand 6 states and 1593 transitions. [2023-08-29 19:13:43,704 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 130 transitions, 526 flow [2023-08-29 19:13:43,706 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 130 transitions, 522 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-29 19:13:43,708 INFO L231 Difference]: Finished difference. Result has 82 places, 70 transitions, 192 flow [2023-08-29 19:13:43,708 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=516, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=192, PETRI_PLACES=82, PETRI_TRANSITIONS=70} [2023-08-29 19:13:43,710 INFO L281 CegarLoopForPetriNet]: 98 programPoint places, -16 predicate places. [2023-08-29 19:13:43,711 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 70 transitions, 192 flow [2023-08-29 19:13:43,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 252.33333333333334) internal successors, (1514), 6 states have internal predecessors, (1514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:43,711 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:13:43,712 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:13:43,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 19:13:43,712 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2023-08-29 19:13:43,712 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:13:43,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1322727836, now seen corresponding path program 1 times [2023-08-29 19:13:43,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:13:43,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828989680] [2023-08-29 19:13:43,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:13:43,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:13:43,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:13:43,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 19:13:43,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:13:43,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828989680] [2023-08-29 19:13:43,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828989680] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:13:43,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:13:43,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-29 19:13:43,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388500675] [2023-08-29 19:13:43,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:13:43,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-29 19:13:43,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:13:43,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-29 19:13:43,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-08-29 19:13:43,910 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 516 [2023-08-29 19:13:43,912 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 70 transitions, 192 flow. Second operand has 5 states, 5 states have (on average 255.2) internal successors, (1276), 5 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:43,912 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:13:43,912 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 516 [2023-08-29 19:13:43,912 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:13:44,274 INFO L130 PetriNetUnfolder]: 1638/3707 cut-off events. [2023-08-29 19:13:44,275 INFO L131 PetriNetUnfolder]: For 518/575 co-relation queries the response was YES. [2023-08-29 19:13:44,283 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7132 conditions, 3707 events. 1638/3707 cut-off events. For 518/575 co-relation queries the response was YES. Maximal size of possible extension queue 205. Compared 29547 event pairs, 829 based on Foata normal form. 57/3297 useless extension candidates. Maximal degree in co-relation 7124. Up to 1646 conditions per place. [2023-08-29 19:13:44,293 INFO L137 encePairwiseOnDemand]: 510/516 looper letters, 71 selfloop transitions, 5 changer transitions 0/114 dead transitions. [2023-08-29 19:13:44,294 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 114 transitions, 465 flow [2023-08-29 19:13:44,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 19:13:44,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 19:13:44,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1588 transitions. [2023-08-29 19:13:44,298 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5129198966408268 [2023-08-29 19:13:44,298 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1588 transitions. [2023-08-29 19:13:44,298 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1588 transitions. [2023-08-29 19:13:44,299 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:13:44,299 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1588 transitions. [2023-08-29 19:13:44,301 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 264.6666666666667) internal successors, (1588), 6 states have internal predecessors, (1588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:44,305 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 516.0) internal successors, (3612), 7 states have internal predecessors, (3612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:44,306 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 516.0) internal successors, (3612), 7 states have internal predecessors, (3612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:44,306 INFO L175 Difference]: Start difference. First operand has 82 places, 70 transitions, 192 flow. Second operand 6 states and 1588 transitions. [2023-08-29 19:13:44,306 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 114 transitions, 465 flow [2023-08-29 19:13:44,309 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 114 transitions, 453 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 19:13:44,310 INFO L231 Difference]: Finished difference. Result has 85 places, 72 transitions, 208 flow [2023-08-29 19:13:44,311 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=516, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=208, PETRI_PLACES=85, PETRI_TRANSITIONS=72} [2023-08-29 19:13:44,311 INFO L281 CegarLoopForPetriNet]: 98 programPoint places, -13 predicate places. [2023-08-29 19:13:44,311 INFO L495 AbstractCegarLoop]: Abstraction has has 85 places, 72 transitions, 208 flow [2023-08-29 19:13:44,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 255.2) internal successors, (1276), 5 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:44,312 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:13:44,312 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:13:44,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-29 19:13:44,313 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2023-08-29 19:13:44,313 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:13:44,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1783016154, now seen corresponding path program 1 times [2023-08-29 19:13:44,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:13:44,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795640684] [2023-08-29 19:13:44,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:13:44,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:13:44,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:13:44,566 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 19:13:44,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:13:44,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795640684] [2023-08-29 19:13:44,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795640684] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:13:44,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:13:44,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 19:13:44,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842550315] [2023-08-29 19:13:44,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:13:44,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 19:13:44,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:13:44,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 19:13:44,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 19:13:44,819 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 250 out of 516 [2023-08-29 19:13:44,821 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 72 transitions, 208 flow. Second operand has 6 states, 6 states have (on average 252.66666666666666) internal successors, (1516), 6 states have internal predecessors, (1516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:44,821 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:13:44,821 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 250 of 516 [2023-08-29 19:13:44,821 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:13:45,241 INFO L130 PetriNetUnfolder]: 2145/4427 cut-off events. [2023-08-29 19:13:45,242 INFO L131 PetriNetUnfolder]: For 1095/1152 co-relation queries the response was YES. [2023-08-29 19:13:45,255 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8948 conditions, 4427 events. 2145/4427 cut-off events. For 1095/1152 co-relation queries the response was YES. Maximal size of possible extension queue 253. Compared 34839 event pairs, 1012 based on Foata normal form. 57/4012 useless extension candidates. Maximal degree in co-relation 8938. Up to 2128 conditions per place. [2023-08-29 19:13:45,271 INFO L137 encePairwiseOnDemand]: 510/516 looper letters, 84 selfloop transitions, 5 changer transitions 0/123 dead transitions. [2023-08-29 19:13:45,271 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 123 transitions, 520 flow [2023-08-29 19:13:45,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 19:13:45,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 19:13:45,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1583 transitions. [2023-08-29 19:13:45,275 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5113049095607235 [2023-08-29 19:13:45,276 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1583 transitions. [2023-08-29 19:13:45,276 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1583 transitions. [2023-08-29 19:13:45,276 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:13:45,277 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1583 transitions. [2023-08-29 19:13:45,280 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 263.8333333333333) internal successors, (1583), 6 states have internal predecessors, (1583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:45,284 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 516.0) internal successors, (3612), 7 states have internal predecessors, (3612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:45,284 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 516.0) internal successors, (3612), 7 states have internal predecessors, (3612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:45,284 INFO L175 Difference]: Start difference. First operand has 85 places, 72 transitions, 208 flow. Second operand 6 states and 1583 transitions. [2023-08-29 19:13:45,284 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 123 transitions, 520 flow [2023-08-29 19:13:45,288 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 123 transitions, 517 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 19:13:45,290 INFO L231 Difference]: Finished difference. Result has 88 places, 71 transitions, 213 flow [2023-08-29 19:13:45,290 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=516, PETRI_DIFFERENCE_MINUEND_FLOW=203, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=213, PETRI_PLACES=88, PETRI_TRANSITIONS=71} [2023-08-29 19:13:45,290 INFO L281 CegarLoopForPetriNet]: 98 programPoint places, -10 predicate places. [2023-08-29 19:13:45,290 INFO L495 AbstractCegarLoop]: Abstraction has has 88 places, 71 transitions, 213 flow [2023-08-29 19:13:45,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 252.66666666666666) internal successors, (1516), 6 states have internal predecessors, (1516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:45,291 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:13:45,291 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:13:45,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-29 19:13:45,292 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2023-08-29 19:13:45,292 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:13:45,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1322596845, now seen corresponding path program 1 times [2023-08-29 19:13:45,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:13:45,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108034970] [2023-08-29 19:13:45,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:13:45,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:13:45,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:13:45,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 19:13:45,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:13:45,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108034970] [2023-08-29 19:13:45,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108034970] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:13:45,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:13:45,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 19:13:45,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71391764] [2023-08-29 19:13:45,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:13:45,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 19:13:45,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:13:45,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 19:13:45,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 19:13:45,793 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 251 out of 516 [2023-08-29 19:13:45,794 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 71 transitions, 213 flow. Second operand has 6 states, 6 states have (on average 253.5) internal successors, (1521), 6 states have internal predecessors, (1521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:45,794 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:13:45,794 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 251 of 516 [2023-08-29 19:13:45,794 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:13:46,154 INFO L130 PetriNetUnfolder]: 2054/4299 cut-off events. [2023-08-29 19:13:46,154 INFO L131 PetriNetUnfolder]: For 1318/1399 co-relation queries the response was YES. [2023-08-29 19:13:46,165 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9290 conditions, 4299 events. 2054/4299 cut-off events. For 1318/1399 co-relation queries the response was YES. Maximal size of possible extension queue 233. Compared 34211 event pairs, 1017 based on Foata normal form. 81/3997 useless extension candidates. Maximal degree in co-relation 9279. Up to 2141 conditions per place. [2023-08-29 19:13:46,181 INFO L137 encePairwiseOnDemand]: 511/516 looper letters, 90 selfloop transitions, 4 changer transitions 0/126 dead transitions. [2023-08-29 19:13:46,181 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 126 transitions, 627 flow [2023-08-29 19:13:46,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 19:13:46,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 19:13:46,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1578 transitions. [2023-08-29 19:13:46,185 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5096899224806202 [2023-08-29 19:13:46,185 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1578 transitions. [2023-08-29 19:13:46,185 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1578 transitions. [2023-08-29 19:13:46,186 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:13:46,186 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1578 transitions. [2023-08-29 19:13:46,189 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 263.0) internal successors, (1578), 6 states have internal predecessors, (1578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:46,193 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 516.0) internal successors, (3612), 7 states have internal predecessors, (3612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:46,193 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 516.0) internal successors, (3612), 7 states have internal predecessors, (3612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:46,194 INFO L175 Difference]: Start difference. First operand has 88 places, 71 transitions, 213 flow. Second operand 6 states and 1578 transitions. [2023-08-29 19:13:46,194 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 126 transitions, 627 flow [2023-08-29 19:13:46,200 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 126 transitions, 601 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 19:13:46,202 INFO L231 Difference]: Finished difference. Result has 87 places, 70 transitions, 209 flow [2023-08-29 19:13:46,202 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=516, PETRI_DIFFERENCE_MINUEND_FLOW=201, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=209, PETRI_PLACES=87, PETRI_TRANSITIONS=70} [2023-08-29 19:13:46,203 INFO L281 CegarLoopForPetriNet]: 98 programPoint places, -11 predicate places. [2023-08-29 19:13:46,203 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 70 transitions, 209 flow [2023-08-29 19:13:46,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 253.5) internal successors, (1521), 6 states have internal predecessors, (1521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:46,203 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:13:46,203 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:13:46,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-29 19:13:46,204 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2023-08-29 19:13:46,204 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:13:46,204 INFO L85 PathProgramCache]: Analyzing trace with hash -30911183, now seen corresponding path program 1 times [2023-08-29 19:13:46,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:13:46,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395154523] [2023-08-29 19:13:46,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:13:46,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:13:46,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:13:46,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 19:13:46,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:13:46,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395154523] [2023-08-29 19:13:46,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395154523] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:13:46,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:13:46,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 19:13:46,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48170169] [2023-08-29 19:13:46,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:13:46,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 19:13:46,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:13:46,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 19:13:46,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 19:13:46,718 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 251 out of 516 [2023-08-29 19:13:46,719 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 70 transitions, 209 flow. Second operand has 6 states, 6 states have (on average 254.0) internal successors, (1524), 6 states have internal predecessors, (1524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:46,719 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:13:46,719 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 251 of 516 [2023-08-29 19:13:46,719 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:13:47,094 INFO L130 PetriNetUnfolder]: 1694/3915 cut-off events. [2023-08-29 19:13:47,095 INFO L131 PetriNetUnfolder]: For 1030/1087 co-relation queries the response was YES. [2023-08-29 19:13:47,104 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7997 conditions, 3915 events. 1694/3915 cut-off events. For 1030/1087 co-relation queries the response was YES. Maximal size of possible extension queue 222. Compared 32376 event pairs, 1107 based on Foata normal form. 57/3606 useless extension candidates. Maximal degree in co-relation 7986. Up to 2329 conditions per place. [2023-08-29 19:13:47,106 INFO L137 encePairwiseOnDemand]: 511/516 looper letters, 0 selfloop transitions, 0 changer transitions 105/105 dead transitions. [2023-08-29 19:13:47,107 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 105 transitions, 499 flow [2023-08-29 19:13:47,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 19:13:47,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 19:13:47,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1562 transitions. [2023-08-29 19:13:47,123 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5045219638242894 [2023-08-29 19:13:47,123 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1562 transitions. [2023-08-29 19:13:47,123 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1562 transitions. [2023-08-29 19:13:47,126 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:13:47,126 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1562 transitions. [2023-08-29 19:13:47,130 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 260.3333333333333) internal successors, (1562), 6 states have internal predecessors, (1562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:47,136 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 516.0) internal successors, (3612), 7 states have internal predecessors, (3612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:47,137 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 516.0) internal successors, (3612), 7 states have internal predecessors, (3612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:47,137 INFO L175 Difference]: Start difference. First operand has 87 places, 70 transitions, 209 flow. Second operand 6 states and 1562 transitions. [2023-08-29 19:13:47,137 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 105 transitions, 499 flow [2023-08-29 19:13:47,142 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 105 transitions, 492 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 19:13:47,142 INFO L231 Difference]: Finished difference. Result has 87 places, 0 transitions, 0 flow [2023-08-29 19:13:47,143 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=516, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=87, PETRI_TRANSITIONS=0} [2023-08-29 19:13:47,144 INFO L281 CegarLoopForPetriNet]: 98 programPoint places, -11 predicate places. [2023-08-29 19:13:47,144 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 0 transitions, 0 flow [2023-08-29 19:13:47,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 254.0) internal successors, (1524), 6 states have internal predecessors, (1524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:13:47,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (48 of 49 remaining) [2023-08-29 19:13:47,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (47 of 49 remaining) [2023-08-29 19:13:47,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (46 of 49 remaining) [2023-08-29 19:13:47,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (45 of 49 remaining) [2023-08-29 19:13:47,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (44 of 49 remaining) [2023-08-29 19:13:47,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (43 of 49 remaining) [2023-08-29 19:13:47,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (42 of 49 remaining) [2023-08-29 19:13:47,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (41 of 49 remaining) [2023-08-29 19:13:47,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (40 of 49 remaining) [2023-08-29 19:13:47,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (39 of 49 remaining) [2023-08-29 19:13:47,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (38 of 49 remaining) [2023-08-29 19:13:47,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (37 of 49 remaining) [2023-08-29 19:13:47,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (36 of 49 remaining) [2023-08-29 19:13:47,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (35 of 49 remaining) [2023-08-29 19:13:47,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (34 of 49 remaining) [2023-08-29 19:13:47,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (33 of 49 remaining) [2023-08-29 19:13:47,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (32 of 49 remaining) [2023-08-29 19:13:47,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (31 of 49 remaining) [2023-08-29 19:13:47,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (30 of 49 remaining) [2023-08-29 19:13:47,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (29 of 49 remaining) [2023-08-29 19:13:47,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (28 of 49 remaining) [2023-08-29 19:13:47,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (27 of 49 remaining) [2023-08-29 19:13:47,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (26 of 49 remaining) [2023-08-29 19:13:47,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (25 of 49 remaining) [2023-08-29 19:13:47,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (24 of 49 remaining) [2023-08-29 19:13:47,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (23 of 49 remaining) [2023-08-29 19:13:47,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (22 of 49 remaining) [2023-08-29 19:13:47,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (21 of 49 remaining) [2023-08-29 19:13:47,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (20 of 49 remaining) [2023-08-29 19:13:47,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (19 of 49 remaining) [2023-08-29 19:13:47,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 49 remaining) [2023-08-29 19:13:47,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 49 remaining) [2023-08-29 19:13:47,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 49 remaining) [2023-08-29 19:13:47,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (15 of 49 remaining) [2023-08-29 19:13:47,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (14 of 49 remaining) [2023-08-29 19:13:47,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (13 of 49 remaining) [2023-08-29 19:13:47,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (12 of 49 remaining) [2023-08-29 19:13:47,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (11 of 49 remaining) [2023-08-29 19:13:47,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 49 remaining) [2023-08-29 19:13:47,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 49 remaining) [2023-08-29 19:13:47,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 49 remaining) [2023-08-29 19:13:47,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (7 of 49 remaining) [2023-08-29 19:13:47,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (6 of 49 remaining) [2023-08-29 19:13:47,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (5 of 49 remaining) [2023-08-29 19:13:47,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (4 of 49 remaining) [2023-08-29 19:13:47,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (3 of 49 remaining) [2023-08-29 19:13:47,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (2 of 49 remaining) [2023-08-29 19:13:47,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (1 of 49 remaining) [2023-08-29 19:13:47,156 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (0 of 49 remaining) [2023-08-29 19:13:47,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-29 19:13:47,156 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:13:47,161 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 19:13:47,161 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 19:13:47,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 07:13:47 BasicIcfg [2023-08-29 19:13:47,167 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 19:13:47,167 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 19:13:47,167 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 19:13:47,167 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 19:13:47,168 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 07:13:30" (3/4) ... [2023-08-29 19:13:47,170 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 19:13:47,175 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-29 19:13:47,176 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-29 19:13:47,176 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-08-29 19:13:47,182 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-08-29 19:13:47,182 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-29 19:13:47,182 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 19:13:47,183 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 19:13:47,231 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 19:13:47,231 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 19:13:47,232 INFO L158 Benchmark]: Toolchain (without parser) took 17525.79ms. Allocated memory was 73.4MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 49.9MB in the beginning and 908.0MB in the end (delta: -858.1MB). Peak memory consumption was 256.5MB. Max. memory is 16.1GB. [2023-08-29 19:13:47,232 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 54.5MB. Free memory was 32.8MB in the beginning and 32.8MB in the end (delta: 48.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 19:13:47,234 INFO L158 Benchmark]: CACSL2BoogieTranslator took 233.11ms. Allocated memory is still 73.4MB. Free memory was 49.7MB in the beginning and 37.7MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-29 19:13:47,234 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.18ms. Allocated memory is still 73.4MB. Free memory was 37.7MB in the beginning and 35.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 19:13:47,234 INFO L158 Benchmark]: Boogie Preprocessor took 75.63ms. Allocated memory is still 73.4MB. Free memory was 35.4MB in the beginning and 52.7MB in the end (delta: -17.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 19:13:47,235 INFO L158 Benchmark]: RCFGBuilder took 666.15ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 52.7MB in the beginning and 67.8MB in the end (delta: -15.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-08-29 19:13:47,235 INFO L158 Benchmark]: TraceAbstraction took 16429.48ms. Allocated memory was 92.3MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 67.2MB in the beginning and 913.3MB in the end (delta: -846.0MB). Peak memory consumption was 519.5MB. Max. memory is 16.1GB. [2023-08-29 19:13:47,235 INFO L158 Benchmark]: Witness Printer took 64.28ms. Allocated memory is still 1.2GB. Free memory was 913.3MB in the beginning and 908.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 19:13:47,237 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 54.5MB. Free memory was 32.8MB in the beginning and 32.8MB in the end (delta: 48.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 233.11ms. Allocated memory is still 73.4MB. Free memory was 49.7MB in the beginning and 37.7MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.18ms. Allocated memory is still 73.4MB. Free memory was 37.7MB in the beginning and 35.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.63ms. Allocated memory is still 73.4MB. Free memory was 35.4MB in the beginning and 52.7MB in the end (delta: -17.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 666.15ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 52.7MB in the beginning and 67.8MB in the end (delta: -15.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 16429.48ms. Allocated memory was 92.3MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 67.2MB in the beginning and 913.3MB in the end (delta: -846.0MB). Peak memory consumption was 519.5MB. Max. memory is 16.1GB. * Witness Printer took 64.28ms. Allocated memory is still 1.2GB. Free memory was 913.3MB in the beginning and 908.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.3s, 257 PlacesBefore, 98 PlacesAfterwards, 259 TransitionsBefore, 95 TransitionsAfterwards, 11298 CoEnabledTransitionPairs, 8 FixpointIterations, 130 TrivialSequentialCompositions, 74 ConcurrentSequentialCompositions, 18 TrivialYvCompositions, 10 ConcurrentYvCompositions, 5 ChoiceCompositions, 237 TotalNumberOfCompositions, 62803 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 19412, independent: 18372, independent conditional: 0, independent unconditional: 18372, dependent: 1040, dependent conditional: 0, dependent unconditional: 1040, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5947, independent: 5798, independent conditional: 0, independent unconditional: 5798, dependent: 149, dependent conditional: 0, dependent unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 19412, independent: 12574, independent conditional: 0, independent unconditional: 12574, dependent: 891, dependent conditional: 0, dependent unconditional: 891, unknown: 5947, unknown conditional: 0, unknown unconditional: 5947] , Statistics on independence cache: Total cache size (in pairs): 1050, Positive cache size: 974, Positive conditional cache size: 0, Positive unconditional cache size: 974, Negative cache size: 76, Negative conditional cache size: 0, Negative unconditional cache size: 76, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: 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: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: 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: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 366 locations, 49 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: 16.2s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1742 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1082 mSDsluCounter, 412 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 211 mSDsCounter, 620 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3512 IncrementalHoareTripleChecker+Invalid, 4132 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 620 mSolverCounterUnsat, 201 mSDtfsCounter, 3512 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=213occurred in iteration=10, InterpolantAutomatonStates: 58, 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, 1.8s InterpolantComputationTime, 170 NumberOfCodeBlocks, 170 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 158 ConstructedInterpolants, 0 QuantifiedInterpolants, 802 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 2/2 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 30 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 19:13:47,268 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