./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/chl-node-symm.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/chl-node-symm.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 514e162b13bdcbe99106b4f79e5a61b8afdae9b478788e06b35106cd952df62f --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-31 21:31:55,026 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-31 21:31:55,028 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-31 21:31:55,060 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-31 21:31:55,060 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-31 21:31:55,073 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-31 21:31:55,076 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-31 21:31:55,079 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-31 21:31:55,081 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-31 21:31:55,086 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-31 21:31:55,087 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-31 21:31:55,089 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-31 21:31:55,089 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-31 21:31:55,091 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-31 21:31:55,094 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-31 21:31:55,097 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-31 21:31:55,098 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-31 21:31:55,099 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-31 21:31:55,101 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-31 21:31:55,105 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-31 21:31:55,107 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-31 21:31:55,107 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-31 21:31:55,108 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-31 21:31:55,109 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-31 21:31:55,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-31 21:31:55,116 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-31 21:31:55,116 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-31 21:31:55,118 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-31 21:31:55,118 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-31 21:31:55,119 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-31 21:31:55,119 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-31 21:31:55,121 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-31 21:31:55,122 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-31 21:31:55,123 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-31 21:31:55,123 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-31 21:31:55,124 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-31 21:31:55,124 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-31 21:31:55,125 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-31 21:31:55,125 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-31 21:31:55,126 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-31 21:31:55,126 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-31 21:31:55,128 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-31 21:31:55,160 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-31 21:31:55,160 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-31 21:31:55,161 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-31 21:31:55,161 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-31 21:31:55,162 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-31 21:31:55,162 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-31 21:31:55,163 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-31 21:31:55,163 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-31 21:31:55,163 INFO L138 SettingsManager]: * Use SBE=true [2023-08-31 21:31:55,163 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-31 21:31:55,164 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-31 21:31:55,164 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-31 21:31:55,164 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-31 21:31:55,164 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-31 21:31:55,165 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-31 21:31:55,165 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-31 21:31:55,165 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-31 21:31:55,165 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-31 21:31:55,165 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-31 21:31:55,165 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-31 21:31:55,166 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-31 21:31:55,166 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-31 21:31:55,166 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-31 21:31:55,166 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-31 21:31:55,166 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-31 21:31:55,166 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-31 21:31:55,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 21:31:55,167 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-31 21:31:55,167 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-31 21:31:55,167 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-31 21:31:55,167 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-31 21:31:55,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-31 21:31:55,168 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-31 21:31:55,168 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-31 21:31:55,168 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-31 21:31:55,168 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-31 21:31:55,168 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-31 21:31:55,169 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 514e162b13bdcbe99106b4f79e5a61b8afdae9b478788e06b35106cd952df62f Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-08-31 21:31:55,484 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-31 21:31:55,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-31 21:31:55,503 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-31 21:31:55,504 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-31 21:31:55,505 INFO L275 PluginConnector]: CDTParser initialized [2023-08-31 21:31:55,506 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-node-symm.wvr.c [2023-08-31 21:31:56,802 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-31 21:31:56,992 INFO L351 CDTParser]: Found 1 translation units. [2023-08-31 21:31:56,992 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-node-symm.wvr.c [2023-08-31 21:31:57,005 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b62489b2e/2fbef70f2a7144cda4a8254d3fac698f/FLAG973453223 [2023-08-31 21:31:57,019 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b62489b2e/2fbef70f2a7144cda4a8254d3fac698f [2023-08-31 21:31:57,021 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-31 21:31:57,022 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-31 21:31:57,023 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-31 21:31:57,023 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-31 21:31:57,030 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-31 21:31:57,031 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:31:57" (1/1) ... [2023-08-31 21:31:57,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6099f0ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:31:57, skipping insertion in model container [2023-08-31 21:31:57,033 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:31:57" (1/1) ... [2023-08-31 21:31:57,039 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-31 21:31:57,054 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-31 21:31:57,240 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-node-symm.wvr.c[3305,3318] [2023-08-31 21:31:57,273 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 21:31:57,284 INFO L203 MainTranslator]: Completed pre-run [2023-08-31 21:31:57,339 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-node-symm.wvr.c[3305,3318] [2023-08-31 21:31:57,344 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 21:31:57,364 INFO L208 MainTranslator]: Completed translation [2023-08-31 21:31:57,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:31:57 WrapperNode [2023-08-31 21:31:57,365 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-31 21:31:57,366 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-31 21:31:57,366 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-31 21:31:57,366 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-31 21:31:57,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:31:57" (1/1) ... [2023-08-31 21:31:57,394 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:31:57" (1/1) ... [2023-08-31 21:31:57,442 INFO L138 Inliner]: procedures = 26, calls = 50, calls flagged for inlining = 18, calls inlined = 24, statements flattened = 554 [2023-08-31 21:31:57,449 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-31 21:31:57,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-31 21:31:57,451 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-31 21:31:57,451 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-31 21:31:57,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:31:57" (1/1) ... [2023-08-31 21:31:57,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:31:57" (1/1) ... [2023-08-31 21:31:57,473 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:31:57" (1/1) ... [2023-08-31 21:31:57,476 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:31:57" (1/1) ... [2023-08-31 21:31:57,512 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:31:57" (1/1) ... [2023-08-31 21:31:57,516 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:31:57" (1/1) ... [2023-08-31 21:31:57,519 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:31:57" (1/1) ... [2023-08-31 21:31:57,521 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:31:57" (1/1) ... [2023-08-31 21:31:57,525 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-31 21:31:57,525 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-31 21:31:57,526 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-31 21:31:57,526 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-31 21:31:57,526 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:31:57" (1/1) ... [2023-08-31 21:31:57,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 21:31:57,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 21:31:57,563 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-31 21:31:57,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-31 21:31:57,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-31 21:31:57,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-31 21:31:57,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-31 21:31:57,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-31 21:31:57,606 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-31 21:31:57,606 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-31 21:31:57,606 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-31 21:31:57,606 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-31 21:31:57,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-31 21:31:57,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-31 21:31:57,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-31 21:31:57,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-31 21:31:57,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-31 21:31:57,609 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-31 21:31:57,787 INFO L236 CfgBuilder]: Building ICFG [2023-08-31 21:31:57,789 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-31 21:31:58,620 INFO L277 CfgBuilder]: Performing block encoding [2023-08-31 21:31:58,635 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-31 21:31:58,640 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-08-31 21:31:58,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:31:58 BoogieIcfgContainer [2023-08-31 21:31:58,643 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-31 21:31:58,646 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-31 21:31:58,646 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-31 21:31:58,649 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-31 21:31:58,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.08 09:31:57" (1/3) ... [2023-08-31 21:31:58,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fb2618e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 09:31:58, skipping insertion in model container [2023-08-31 21:31:58,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:31:57" (2/3) ... [2023-08-31 21:31:58,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fb2618e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 09:31:58, skipping insertion in model container [2023-08-31 21:31:58,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:31:58" (3/3) ... [2023-08-31 21:31:58,652 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-node-symm.wvr.c [2023-08-31 21:31:58,660 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-31 21:31:58,668 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-31 21:31:58,668 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 80 error locations. [2023-08-31 21:31:58,669 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-31 21:31:58,817 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-31 21:31:58,863 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 660 places, 686 transitions, 1388 flow [2023-08-31 21:31:59,106 INFO L130 PetriNetUnfolder]: 33/684 cut-off events. [2023-08-31 21:31:59,106 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-31 21:31:59,120 INFO L83 FinitePrefix]: Finished finitePrefix Result has 693 conditions, 684 events. 33/684 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1141 event pairs, 0 based on Foata normal form. 0/571 useless extension candidates. Maximal degree in co-relation 483. Up to 2 conditions per place. [2023-08-31 21:31:59,120 INFO L82 GeneralOperation]: Start removeDead. Operand has 660 places, 686 transitions, 1388 flow [2023-08-31 21:31:59,144 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 640 places, 664 transitions, 1340 flow [2023-08-31 21:31:59,148 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-31 21:31:59,166 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 640 places, 664 transitions, 1340 flow [2023-08-31 21:31:59,170 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 640 places, 664 transitions, 1340 flow [2023-08-31 21:31:59,171 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 640 places, 664 transitions, 1340 flow [2023-08-31 21:31:59,297 INFO L130 PetriNetUnfolder]: 31/664 cut-off events. [2023-08-31 21:31:59,297 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-31 21:31:59,301 INFO L83 FinitePrefix]: Finished finitePrefix Result has 673 conditions, 664 events. 31/664 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1126 event pairs, 0 based on Foata normal form. 0/554 useless extension candidates. Maximal degree in co-relation 483. Up to 2 conditions per place. [2023-08-31 21:31:59,324 INFO L119 LiptonReduction]: Number of co-enabled transitions 52268 [2023-08-31 21:32:13,954 INFO L134 LiptonReduction]: Checked pairs total: 369664 [2023-08-31 21:32:13,955 INFO L136 LiptonReduction]: Total number of compositions: 664 [2023-08-31 21:32:13,967 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-31 21:32:13,973 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;@31920d3e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-31 21:32:13,973 INFO L358 AbstractCegarLoop]: Starting to check reachability of 132 error locations. [2023-08-31 21:32:13,975 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-31 21:32:13,975 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 21:32:13,975 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:32:13,975 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-31 21:32:13,976 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2023-08-31 21:32:13,980 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:32:13,980 INFO L85 PathProgramCache]: Analyzing trace with hash 2462, now seen corresponding path program 1 times [2023-08-31 21:32:13,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:32:13,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033978859] [2023-08-31 21:32:13,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:32:13,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:32:14,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:32:14,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:32:14,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:32:14,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033978859] [2023-08-31 21:32:14,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033978859] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:32:14,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:32:14,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-31 21:32:14,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180992841] [2023-08-31 21:32:14,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:32:14,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-31 21:32:14,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:32:14,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-31 21:32:14,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-31 21:32:14,092 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 661 out of 1350 [2023-08-31 21:32:14,097 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 213 transitions, 438 flow. Second operand has 2 states, 2 states have (on average 661.5) internal successors, (1323), 2 states have internal predecessors, (1323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:14,097 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:32:14,097 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 661 of 1350 [2023-08-31 21:32:14,098 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:32:14,533 INFO L130 PetriNetUnfolder]: 645/3003 cut-off events. [2023-08-31 21:32:14,534 INFO L131 PetriNetUnfolder]: For 28/28 co-relation queries the response was YES. [2023-08-31 21:32:14,540 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4105 conditions, 3003 events. 645/3003 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 25894 event pairs, 525 based on Foata normal form. 135/2555 useless extension candidates. Maximal degree in co-relation 3848. Up to 1058 conditions per place. [2023-08-31 21:32:14,552 INFO L137 encePairwiseOnDemand]: 1309/1350 looper letters, 44 selfloop transitions, 0 changer transitions 1/172 dead transitions. [2023-08-31 21:32:14,553 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 172 transitions, 446 flow [2023-08-31 21:32:14,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-31 21:32:14,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-31 21:32:14,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1408 transitions. [2023-08-31 21:32:14,573 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5214814814814814 [2023-08-31 21:32:14,574 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1408 transitions. [2023-08-31 21:32:14,574 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1408 transitions. [2023-08-31 21:32:14,578 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:32:14,580 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1408 transitions. [2023-08-31 21:32:14,587 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 704.0) internal successors, (1408), 2 states have internal predecessors, (1408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:14,597 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 1350.0) internal successors, (4050), 3 states have internal predecessors, (4050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:14,599 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 1350.0) internal successors, (4050), 3 states have internal predecessors, (4050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:14,600 INFO L175 Difference]: Start difference. First operand has 211 places, 213 transitions, 438 flow. Second operand 2 states and 1408 transitions. [2023-08-31 21:32:14,601 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 172 transitions, 446 flow [2023-08-31 21:32:14,607 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 172 transitions, 438 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-31 21:32:14,611 INFO L231 Difference]: Finished difference. Result has 168 places, 171 transitions, 345 flow [2023-08-31 21:32:14,613 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1350, PETRI_DIFFERENCE_MINUEND_FLOW=348, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=172, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=172, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=345, PETRI_PLACES=168, PETRI_TRANSITIONS=171} [2023-08-31 21:32:14,618 INFO L281 CegarLoopForPetriNet]: 211 programPoint places, -43 predicate places. [2023-08-31 21:32:14,618 INFO L495 AbstractCegarLoop]: Abstraction has has 168 places, 171 transitions, 345 flow [2023-08-31 21:32:14,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 661.5) internal successors, (1323), 2 states have internal predecessors, (1323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:14,619 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:32:14,620 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:32:14,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-31 21:32:14,622 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2023-08-31 21:32:14,630 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:32:14,630 INFO L85 PathProgramCache]: Analyzing trace with hash -1328184010, now seen corresponding path program 1 times [2023-08-31 21:32:14,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:32:14,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868948070] [2023-08-31 21:32:14,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:32:14,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:32:14,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:32:14,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:32:14,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:32:14,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868948070] [2023-08-31 21:32:14,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868948070] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:32:14,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:32:14,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:32:14,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910524510] [2023-08-31 21:32:14,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:32:14,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:32:14,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:32:14,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:32:14,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:32:14,945 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 648 out of 1350 [2023-08-31 21:32:14,948 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 171 transitions, 345 flow. Second operand has 3 states, 3 states have (on average 650.6666666666666) internal successors, (1952), 3 states have internal predecessors, (1952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:14,948 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:32:14,948 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 648 of 1350 [2023-08-31 21:32:14,948 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:32:15,412 INFO L130 PetriNetUnfolder]: 939/3767 cut-off events. [2023-08-31 21:32:15,413 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-31 21:32:15,426 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5327 conditions, 3767 events. 939/3767 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 32088 event pairs, 418 based on Foata normal form. 0/3157 useless extension candidates. Maximal degree in co-relation 5324. Up to 1523 conditions per place. [2023-08-31 21:32:15,453 INFO L137 encePairwiseOnDemand]: 1344/1350 looper letters, 55 selfloop transitions, 2 changer transitions 0/174 dead transitions. [2023-08-31 21:32:15,468 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 174 transitions, 466 flow [2023-08-31 21:32:15,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:32:15,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:32:15,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2005 transitions. [2023-08-31 21:32:15,474 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49506172839506174 [2023-08-31 21:32:15,474 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2005 transitions. [2023-08-31 21:32:15,474 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2005 transitions. [2023-08-31 21:32:15,475 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:32:15,475 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2005 transitions. [2023-08-31 21:32:15,479 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 668.3333333333334) internal successors, (2005), 3 states have internal predecessors, (2005), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:15,487 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1350.0) internal successors, (5400), 4 states have internal predecessors, (5400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:15,504 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1350.0) internal successors, (5400), 4 states have internal predecessors, (5400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:15,504 INFO L175 Difference]: Start difference. First operand has 168 places, 171 transitions, 345 flow. Second operand 3 states and 2005 transitions. [2023-08-31 21:32:15,504 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 174 transitions, 466 flow [2023-08-31 21:32:15,506 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 174 transitions, 466 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:32:15,508 INFO L231 Difference]: Finished difference. Result has 166 places, 169 transitions, 351 flow [2023-08-31 21:32:15,519 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1350, PETRI_DIFFERENCE_MINUEND_FLOW=337, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=167, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=351, PETRI_PLACES=166, PETRI_TRANSITIONS=169} [2023-08-31 21:32:15,520 INFO L281 CegarLoopForPetriNet]: 211 programPoint places, -45 predicate places. [2023-08-31 21:32:15,520 INFO L495 AbstractCegarLoop]: Abstraction has has 166 places, 169 transitions, 351 flow [2023-08-31 21:32:15,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 650.6666666666666) internal successors, (1952), 3 states have internal predecessors, (1952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:15,521 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:32:15,522 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:32:15,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-31 21:32:15,522 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2023-08-31 21:32:15,523 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:32:15,523 INFO L85 PathProgramCache]: Analyzing trace with hash -779497256, now seen corresponding path program 1 times [2023-08-31 21:32:15,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:32:15,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690230388] [2023-08-31 21:32:15,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:32:15,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:32:15,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:32:15,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:32:15,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:32:15,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690230388] [2023-08-31 21:32:15,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690230388] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:32:15,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:32:15,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:32:15,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461256487] [2023-08-31 21:32:15,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:32:15,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:32:15,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:32:15,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:32:15,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:32:15,687 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 630 out of 1350 [2023-08-31 21:32:15,690 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 169 transitions, 351 flow. Second operand has 3 states, 3 states have (on average 632.6666666666666) internal successors, (1898), 3 states have internal predecessors, (1898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:15,690 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:32:15,691 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 630 of 1350 [2023-08-31 21:32:15,692 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:32:16,160 INFO L130 PetriNetUnfolder]: 1200/4226 cut-off events. [2023-08-31 21:32:16,160 INFO L131 PetriNetUnfolder]: For 38/38 co-relation queries the response was YES. [2023-08-31 21:32:16,169 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6283 conditions, 4226 events. 1200/4226 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 35259 event pairs, 1034 based on Foata normal form. 0/3665 useless extension candidates. Maximal degree in co-relation 6279. Up to 1991 conditions per place. [2023-08-31 21:32:16,193 INFO L137 encePairwiseOnDemand]: 1343/1350 looper letters, 54 selfloop transitions, 1 changer transitions 0/163 dead transitions. [2023-08-31 21:32:16,193 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 163 transitions, 449 flow [2023-08-31 21:32:16,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:32:16,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:32:16,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1950 transitions. [2023-08-31 21:32:16,199 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48148148148148145 [2023-08-31 21:32:16,199 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1950 transitions. [2023-08-31 21:32:16,199 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1950 transitions. [2023-08-31 21:32:16,200 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:32:16,201 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1950 transitions. [2023-08-31 21:32:16,205 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 650.0) internal successors, (1950), 3 states have internal predecessors, (1950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:16,213 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1350.0) internal successors, (5400), 4 states have internal predecessors, (5400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:16,216 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1350.0) internal successors, (5400), 4 states have internal predecessors, (5400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:16,216 INFO L175 Difference]: Start difference. First operand has 166 places, 169 transitions, 351 flow. Second operand 3 states and 1950 transitions. [2023-08-31 21:32:16,216 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 163 transitions, 449 flow [2023-08-31 21:32:16,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 163 transitions, 449 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:32:16,221 INFO L231 Difference]: Finished difference. Result has 162 places, 163 transitions, 341 flow [2023-08-31 21:32:16,221 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1350, PETRI_DIFFERENCE_MINUEND_FLOW=339, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=341, PETRI_PLACES=162, PETRI_TRANSITIONS=163} [2023-08-31 21:32:16,223 INFO L281 CegarLoopForPetriNet]: 211 programPoint places, -49 predicate places. [2023-08-31 21:32:16,225 INFO L495 AbstractCegarLoop]: Abstraction has has 162 places, 163 transitions, 341 flow [2023-08-31 21:32:16,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 632.6666666666666) internal successors, (1898), 3 states have internal predecessors, (1898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:16,227 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:32:16,227 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:32:16,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-31 21:32:16,228 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2023-08-31 21:32:16,229 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:32:16,229 INFO L85 PathProgramCache]: Analyzing trace with hash -757135976, now seen corresponding path program 1 times [2023-08-31 21:32:16,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:32:16,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563666185] [2023-08-31 21:32:16,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:32:16,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:32:16,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:32:16,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:32:16,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:32:16,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563666185] [2023-08-31 21:32:16,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563666185] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:32:16,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:32:16,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:32:16,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742986865] [2023-08-31 21:32:16,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:32:16,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:32:16,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:32:16,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:32:16,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:32:16,321 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 648 out of 1350 [2023-08-31 21:32:16,324 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 163 transitions, 341 flow. Second operand has 3 states, 3 states have (on average 651.3333333333334) internal successors, (1954), 3 states have internal predecessors, (1954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:16,327 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:32:16,327 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 648 of 1350 [2023-08-31 21:32:16,328 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:32:16,702 INFO L130 PetriNetUnfolder]: 959/3681 cut-off events. [2023-08-31 21:32:16,702 INFO L131 PetriNetUnfolder]: For 26/26 co-relation queries the response was YES. [2023-08-31 21:32:16,711 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5328 conditions, 3681 events. 959/3681 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 31037 event pairs, 479 based on Foata normal form. 0/3198 useless extension candidates. Maximal degree in co-relation 5323. Up to 1568 conditions per place. [2023-08-31 21:32:16,725 INFO L137 encePairwiseOnDemand]: 1344/1350 looper letters, 55 selfloop transitions, 2 changer transitions 0/165 dead transitions. [2023-08-31 21:32:16,725 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 165 transitions, 460 flow [2023-08-31 21:32:16,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:32:16,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:32:16,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2004 transitions. [2023-08-31 21:32:16,730 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4948148148148148 [2023-08-31 21:32:16,730 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2004 transitions. [2023-08-31 21:32:16,730 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2004 transitions. [2023-08-31 21:32:16,731 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:32:16,732 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2004 transitions. [2023-08-31 21:32:16,735 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 668.0) internal successors, (2004), 3 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:16,742 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1350.0) internal successors, (5400), 4 states have internal predecessors, (5400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:16,744 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1350.0) internal successors, (5400), 4 states have internal predecessors, (5400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:16,745 INFO L175 Difference]: Start difference. First operand has 162 places, 163 transitions, 341 flow. Second operand 3 states and 2004 transitions. [2023-08-31 21:32:16,745 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 165 transitions, 460 flow [2023-08-31 21:32:16,746 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 165 transitions, 459 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 21:32:16,748 INFO L231 Difference]: Finished difference. Result has 160 places, 161 transitions, 346 flow [2023-08-31 21:32:16,748 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1350, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=346, PETRI_PLACES=160, PETRI_TRANSITIONS=161} [2023-08-31 21:32:16,749 INFO L281 CegarLoopForPetriNet]: 211 programPoint places, -51 predicate places. [2023-08-31 21:32:16,749 INFO L495 AbstractCegarLoop]: Abstraction has has 160 places, 161 transitions, 346 flow [2023-08-31 21:32:16,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 651.3333333333334) internal successors, (1954), 3 states have internal predecessors, (1954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:16,750 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:32:16,750 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:32:16,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-31 21:32:16,751 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2023-08-31 21:32:16,751 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:32:16,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1758145798, now seen corresponding path program 1 times [2023-08-31 21:32:16,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:32:16,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995618104] [2023-08-31 21:32:16,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:32:16,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:32:16,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:32:16,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:32:16,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:32:16,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995618104] [2023-08-31 21:32:16,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995618104] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:32:16,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:32:16,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:32:16,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305603309] [2023-08-31 21:32:16,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:32:16,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:32:16,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:32:16,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:32:16,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:32:16,823 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 630 out of 1350 [2023-08-31 21:32:16,825 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 161 transitions, 346 flow. Second operand has 3 states, 3 states have (on average 633.3333333333334) internal successors, (1900), 3 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:16,825 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:32:16,825 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 630 of 1350 [2023-08-31 21:32:16,826 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:32:17,248 INFO L130 PetriNetUnfolder]: 1275/4307 cut-off events. [2023-08-31 21:32:17,248 INFO L131 PetriNetUnfolder]: For 79/79 co-relation queries the response was YES. [2023-08-31 21:32:17,257 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6561 conditions, 4307 events. 1275/4307 cut-off events. For 79/79 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 36124 event pairs, 1099 based on Foata normal form. 0/3882 useless extension candidates. Maximal degree in co-relation 6556. Up to 2130 conditions per place. [2023-08-31 21:32:17,268 INFO L137 encePairwiseOnDemand]: 1343/1350 looper letters, 56 selfloop transitions, 1 changer transitions 0/155 dead transitions. [2023-08-31 21:32:17,269 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 155 transitions, 448 flow [2023-08-31 21:32:17,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:32:17,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:32:17,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1951 transitions. [2023-08-31 21:32:17,274 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4817283950617284 [2023-08-31 21:32:17,274 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1951 transitions. [2023-08-31 21:32:17,274 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1951 transitions. [2023-08-31 21:32:17,275 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:32:17,275 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1951 transitions. [2023-08-31 21:32:17,279 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 650.3333333333334) internal successors, (1951), 3 states have internal predecessors, (1951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:17,284 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1350.0) internal successors, (5400), 4 states have internal predecessors, (5400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:17,286 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1350.0) internal successors, (5400), 4 states have internal predecessors, (5400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:17,286 INFO L175 Difference]: Start difference. First operand has 160 places, 161 transitions, 346 flow. Second operand 3 states and 1951 transitions. [2023-08-31 21:32:17,286 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 155 transitions, 448 flow [2023-08-31 21:32:17,287 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 155 transitions, 448 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:32:17,289 INFO L231 Difference]: Finished difference. Result has 156 places, 155 transitions, 336 flow [2023-08-31 21:32:17,290 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1350, PETRI_DIFFERENCE_MINUEND_FLOW=334, PETRI_DIFFERENCE_MINUEND_PLACES=154, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=336, PETRI_PLACES=156, PETRI_TRANSITIONS=155} [2023-08-31 21:32:17,290 INFO L281 CegarLoopForPetriNet]: 211 programPoint places, -55 predicate places. [2023-08-31 21:32:17,290 INFO L495 AbstractCegarLoop]: Abstraction has has 156 places, 155 transitions, 336 flow [2023-08-31 21:32:17,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 633.3333333333334) internal successors, (1900), 3 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:17,291 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:32:17,292 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:32:17,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-31 21:32:17,292 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2023-08-31 21:32:17,292 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:32:17,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1757446783, now seen corresponding path program 1 times [2023-08-31 21:32:17,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:32:17,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609180713] [2023-08-31 21:32:17,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:32:17,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:32:17,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:32:17,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:32:17,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:32:17,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609180713] [2023-08-31 21:32:17,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609180713] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:32:17,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:32:17,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:32:17,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366059713] [2023-08-31 21:32:17,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:32:17,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:32:17,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:32:17,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:32:17,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:32:17,515 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 649 out of 1350 [2023-08-31 21:32:17,517 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 155 transitions, 336 flow. Second operand has 3 states, 3 states have (on average 652.0) internal successors, (1956), 3 states have internal predecessors, (1956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:17,518 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:32:17,518 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 649 of 1350 [2023-08-31 21:32:17,518 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:32:17,890 INFO L130 PetriNetUnfolder]: 679/2977 cut-off events. [2023-08-31 21:32:17,890 INFO L131 PetriNetUnfolder]: For 58/58 co-relation queries the response was YES. [2023-08-31 21:32:17,898 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4208 conditions, 2977 events. 679/2977 cut-off events. For 58/58 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 24927 event pairs, 547 based on Foata normal form. 0/2622 useless extension candidates. Maximal degree in co-relation 4202. Up to 1133 conditions per place. [2023-08-31 21:32:17,907 INFO L137 encePairwiseOnDemand]: 1347/1350 looper letters, 45 selfloop transitions, 2 changer transitions 0/156 dead transitions. [2023-08-31 21:32:17,908 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 156 transitions, 432 flow [2023-08-31 21:32:17,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:32:17,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:32:17,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1993 transitions. [2023-08-31 21:32:17,913 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49209876543209874 [2023-08-31 21:32:17,914 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1993 transitions. [2023-08-31 21:32:17,914 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1993 transitions. [2023-08-31 21:32:17,915 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:32:17,915 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1993 transitions. [2023-08-31 21:32:17,919 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 664.3333333333334) internal successors, (1993), 3 states have internal predecessors, (1993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:17,925 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1350.0) internal successors, (5400), 4 states have internal predecessors, (5400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:17,926 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1350.0) internal successors, (5400), 4 states have internal predecessors, (5400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:17,926 INFO L175 Difference]: Start difference. First operand has 156 places, 155 transitions, 336 flow. Second operand 3 states and 1993 transitions. [2023-08-31 21:32:17,927 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 156 transitions, 432 flow [2023-08-31 21:32:17,928 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 156 transitions, 431 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 21:32:17,930 INFO L231 Difference]: Finished difference. Result has 158 places, 156 transitions, 347 flow [2023-08-31 21:32:17,930 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1350, PETRI_DIFFERENCE_MINUEND_FLOW=335, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=347, PETRI_PLACES=158, PETRI_TRANSITIONS=156} [2023-08-31 21:32:17,931 INFO L281 CegarLoopForPetriNet]: 211 programPoint places, -53 predicate places. [2023-08-31 21:32:17,931 INFO L495 AbstractCegarLoop]: Abstraction has has 158 places, 156 transitions, 347 flow [2023-08-31 21:32:17,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 652.0) internal successors, (1956), 3 states have internal predecessors, (1956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:17,932 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:32:17,932 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:32:17,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-31 21:32:17,932 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2023-08-31 21:32:17,933 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:32:17,933 INFO L85 PathProgramCache]: Analyzing trace with hash -2084188176, now seen corresponding path program 1 times [2023-08-31 21:32:17,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:32:17,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869996264] [2023-08-31 21:32:17,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:32:17,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:32:17,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:32:18,316 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-31 21:32:18,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:32:18,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869996264] [2023-08-31 21:32:18,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869996264] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:32:18,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:32:18,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:32:18,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116759200] [2023-08-31 21:32:18,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:32:18,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:32:18,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:32:18,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:32:18,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:32:18,890 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 642 out of 1350 [2023-08-31 21:32:18,892 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 156 transitions, 347 flow. Second operand has 6 states, 6 states have (on average 644.3333333333334) internal successors, (3866), 6 states have internal predecessors, (3866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:18,892 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:32:18,892 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 642 of 1350 [2023-08-31 21:32:18,892 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:32:19,555 INFO L130 PetriNetUnfolder]: 2299/5389 cut-off events. [2023-08-31 21:32:19,555 INFO L131 PetriNetUnfolder]: For 169/169 co-relation queries the response was YES. [2023-08-31 21:32:19,576 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9162 conditions, 5389 events. 2299/5389 cut-off events. For 169/169 co-relation queries the response was YES. Maximal size of possible extension queue 164. Compared 43617 event pairs, 320 based on Foata normal form. 0/4738 useless extension candidates. Maximal degree in co-relation 9155. Up to 1274 conditions per place. [2023-08-31 21:32:19,598 INFO L137 encePairwiseOnDemand]: 1345/1350 looper letters, 171 selfloop transitions, 4 changer transitions 0/279 dead transitions. [2023-08-31 21:32:19,598 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 279 transitions, 983 flow [2023-08-31 21:32:19,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:32:19,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:32:19,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4017 transitions. [2023-08-31 21:32:19,608 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49592592592592594 [2023-08-31 21:32:19,608 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 4017 transitions. [2023-08-31 21:32:19,608 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 4017 transitions. [2023-08-31 21:32:19,610 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:32:19,610 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 4017 transitions. [2023-08-31 21:32:19,617 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 669.5) internal successors, (4017), 6 states have internal predecessors, (4017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:19,687 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1350.0) internal successors, (9450), 7 states have internal predecessors, (9450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:19,689 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1350.0) internal successors, (9450), 7 states have internal predecessors, (9450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:19,689 INFO L175 Difference]: Start difference. First operand has 158 places, 156 transitions, 347 flow. Second operand 6 states and 4017 transitions. [2023-08-31 21:32:19,689 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 279 transitions, 983 flow [2023-08-31 21:32:19,691 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 279 transitions, 979 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-31 21:32:19,695 INFO L231 Difference]: Finished difference. Result has 161 places, 155 transitions, 349 flow [2023-08-31 21:32:19,696 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1350, PETRI_DIFFERENCE_MINUEND_FLOW=341, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=349, PETRI_PLACES=161, PETRI_TRANSITIONS=155} [2023-08-31 21:32:19,697 INFO L281 CegarLoopForPetriNet]: 211 programPoint places, -50 predicate places. [2023-08-31 21:32:19,697 INFO L495 AbstractCegarLoop]: Abstraction has has 161 places, 155 transitions, 349 flow [2023-08-31 21:32:19,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 644.3333333333334) internal successors, (3866), 6 states have internal predecessors, (3866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:19,698 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:32:19,698 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:32:19,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-31 21:32:19,698 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2023-08-31 21:32:19,700 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:32:19,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1863782325, now seen corresponding path program 1 times [2023-08-31 21:32:19,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:32:19,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217055261] [2023-08-31 21:32:19,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:32:19,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:32:19,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:32:19,795 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-31 21:32:19,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:32:19,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217055261] [2023-08-31 21:32:19,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217055261] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:32:19,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:32:19,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-31 21:32:19,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053395311] [2023-08-31 21:32:19,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:32:19,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-31 21:32:19,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:32:19,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-31 21:32:19,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-08-31 21:32:19,963 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 651 out of 1350 [2023-08-31 21:32:19,965 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 155 transitions, 349 flow. Second operand has 4 states, 4 states have (on average 652.75) internal successors, (2611), 4 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:19,966 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:32:19,966 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 651 of 1350 [2023-08-31 21:32:19,966 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:32:20,273 INFO L130 PetriNetUnfolder]: 679/2970 cut-off events. [2023-08-31 21:32:20,273 INFO L131 PetriNetUnfolder]: For 254/254 co-relation queries the response was YES. [2023-08-31 21:32:20,283 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4428 conditions, 2970 events. 679/2970 cut-off events. For 254/254 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 24839 event pairs, 547 based on Foata normal form. 0/2622 useless extension candidates. Maximal degree in co-relation 4421. Up to 1133 conditions per place. [2023-08-31 21:32:20,291 INFO L137 encePairwiseOnDemand]: 1346/1350 looper letters, 45 selfloop transitions, 3 changer transitions 0/156 dead transitions. [2023-08-31 21:32:20,292 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 156 transitions, 447 flow [2023-08-31 21:32:20,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-31 21:32:20,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-31 21:32:20,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 2650 transitions. [2023-08-31 21:32:20,298 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49074074074074076 [2023-08-31 21:32:20,298 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 2650 transitions. [2023-08-31 21:32:20,299 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 2650 transitions. [2023-08-31 21:32:20,300 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:32:20,300 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 2650 transitions. [2023-08-31 21:32:20,304 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 662.5) internal successors, (2650), 4 states have internal predecessors, (2650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:20,310 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 1350.0) internal successors, (6750), 5 states have internal predecessors, (6750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:20,312 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 1350.0) internal successors, (6750), 5 states have internal predecessors, (6750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:20,312 INFO L175 Difference]: Start difference. First operand has 161 places, 155 transitions, 349 flow. Second operand 4 states and 2650 transitions. [2023-08-31 21:32:20,312 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 156 transitions, 447 flow [2023-08-31 21:32:20,315 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 156 transitions, 440 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-31 21:32:20,317 INFO L231 Difference]: Finished difference. Result has 161 places, 156 transitions, 356 flow [2023-08-31 21:32:20,318 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1350, PETRI_DIFFERENCE_MINUEND_FLOW=342, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=356, PETRI_PLACES=161, PETRI_TRANSITIONS=156} [2023-08-31 21:32:20,320 INFO L281 CegarLoopForPetriNet]: 211 programPoint places, -50 predicate places. [2023-08-31 21:32:20,320 INFO L495 AbstractCegarLoop]: Abstraction has has 161 places, 156 transitions, 356 flow [2023-08-31 21:32:20,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 652.75) internal successors, (2611), 4 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:20,321 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:32:20,321 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:32:20,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-31 21:32:20,322 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2023-08-31 21:32:20,322 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:32:20,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1709333734, now seen corresponding path program 1 times [2023-08-31 21:32:20,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:32:20,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584720048] [2023-08-31 21:32:20,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:32:20,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:32:20,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:32:20,499 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-31 21:32:20,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:32:20,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584720048] [2023-08-31 21:32:20,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584720048] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-31 21:32:20,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1300839233] [2023-08-31 21:32:20,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:32:20,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-31 21:32:20,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 21:32:20,511 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-31 21:32:20,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-08-31 21:32:20,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:32:20,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 5 conjunts are in the unsatisfiable core [2023-08-31 21:32:20,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-31 21:32:20,750 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-31 21:32:20,751 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-08-31 21:32:20,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1300839233] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:32:20,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-08-31 21:32:20,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-08-31 21:32:20,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414574203] [2023-08-31 21:32:20,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:32:20,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-31 21:32:20,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:32:20,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-31 21:32:20,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-08-31 21:32:20,877 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 651 out of 1350 [2023-08-31 21:32:20,879 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 156 transitions, 356 flow. Second operand has 4 states, 4 states have (on average 653.0) internal successors, (2612), 4 states have internal predecessors, (2612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:20,879 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:32:20,879 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 651 of 1350 [2023-08-31 21:32:20,879 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:32:21,202 INFO L130 PetriNetUnfolder]: 679/2971 cut-off events. [2023-08-31 21:32:21,202 INFO L131 PetriNetUnfolder]: For 61/61 co-relation queries the response was YES. [2023-08-31 21:32:21,213 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4223 conditions, 2971 events. 679/2971 cut-off events. For 61/61 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 24772 event pairs, 547 based on Foata normal form. 0/2624 useless extension candidates. Maximal degree in co-relation 4215. Up to 1134 conditions per place. [2023-08-31 21:32:21,225 INFO L137 encePairwiseOnDemand]: 1346/1350 looper letters, 46 selfloop transitions, 3 changer transitions 0/157 dead transitions. [2023-08-31 21:32:21,225 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 157 transitions, 456 flow [2023-08-31 21:32:21,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-31 21:32:21,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-31 21:32:21,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 2650 transitions. [2023-08-31 21:32:21,231 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49074074074074076 [2023-08-31 21:32:21,232 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 2650 transitions. [2023-08-31 21:32:21,232 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 2650 transitions. [2023-08-31 21:32:21,233 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:32:21,233 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 2650 transitions. [2023-08-31 21:32:21,237 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 662.5) internal successors, (2650), 4 states have internal predecessors, (2650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:21,243 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 1350.0) internal successors, (6750), 5 states have internal predecessors, (6750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:21,245 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 1350.0) internal successors, (6750), 5 states have internal predecessors, (6750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:21,245 INFO L175 Difference]: Start difference. First operand has 161 places, 156 transitions, 356 flow. Second operand 4 states and 2650 transitions. [2023-08-31 21:32:21,245 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 157 transitions, 456 flow [2023-08-31 21:32:21,247 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 157 transitions, 450 flow, removed 1 selfloop flow, removed 2 redundant places. [2023-08-31 21:32:21,249 INFO L231 Difference]: Finished difference. Result has 163 places, 157 transitions, 364 flow [2023-08-31 21:32:21,249 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1350, PETRI_DIFFERENCE_MINUEND_FLOW=350, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=364, PETRI_PLACES=163, PETRI_TRANSITIONS=157} [2023-08-31 21:32:21,251 INFO L281 CegarLoopForPetriNet]: 211 programPoint places, -48 predicate places. [2023-08-31 21:32:21,251 INFO L495 AbstractCegarLoop]: Abstraction has has 163 places, 157 transitions, 364 flow [2023-08-31 21:32:21,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 653.0) internal successors, (2612), 4 states have internal predecessors, (2612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:21,252 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:32:21,252 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:32:21,261 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-08-31 21:32:21,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-31 21:32:21,458 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2023-08-31 21:32:21,459 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:32:21,459 INFO L85 PathProgramCache]: Analyzing trace with hash 906204517, now seen corresponding path program 1 times [2023-08-31 21:32:21,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:32:21,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823650408] [2023-08-31 21:32:21,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:32:21,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:32:21,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:32:21,560 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-08-31 21:32:21,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:32:21,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823650408] [2023-08-31 21:32:21,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823650408] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:32:21,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:32:21,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-31 21:32:21,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494373484] [2023-08-31 21:32:21,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:32:21,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-31 21:32:21,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:32:21,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-31 21:32:21,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-31 21:32:21,693 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 651 out of 1350 [2023-08-31 21:32:21,695 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 157 transitions, 364 flow. Second operand has 4 states, 4 states have (on average 653.25) internal successors, (2613), 4 states have internal predecessors, (2613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:21,695 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:32:21,695 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 651 of 1350 [2023-08-31 21:32:21,695 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:32:22,059 INFO L130 PetriNetUnfolder]: 679/2972 cut-off events. [2023-08-31 21:32:22,059 INFO L131 PetriNetUnfolder]: For 62/62 co-relation queries the response was YES. [2023-08-31 21:32:22,067 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4229 conditions, 2972 events. 679/2972 cut-off events. For 62/62 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 24859 event pairs, 547 based on Foata normal form. 0/2626 useless extension candidates. Maximal degree in co-relation 4220. Up to 1135 conditions per place. [2023-08-31 21:32:22,074 INFO L137 encePairwiseOnDemand]: 1346/1350 looper letters, 47 selfloop transitions, 3 changer transitions 0/158 dead transitions. [2023-08-31 21:32:22,075 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 158 transitions, 466 flow [2023-08-31 21:32:22,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-31 21:32:22,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-31 21:32:22,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 2650 transitions. [2023-08-31 21:32:22,082 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49074074074074076 [2023-08-31 21:32:22,082 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 2650 transitions. [2023-08-31 21:32:22,082 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 2650 transitions. [2023-08-31 21:32:22,084 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:32:22,084 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 2650 transitions. [2023-08-31 21:32:22,088 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 662.5) internal successors, (2650), 4 states have internal predecessors, (2650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:22,098 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 1350.0) internal successors, (6750), 5 states have internal predecessors, (6750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:22,099 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 1350.0) internal successors, (6750), 5 states have internal predecessors, (6750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:22,099 INFO L175 Difference]: Start difference. First operand has 163 places, 157 transitions, 364 flow. Second operand 4 states and 2650 transitions. [2023-08-31 21:32:22,099 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 158 transitions, 466 flow [2023-08-31 21:32:22,102 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 158 transitions, 460 flow, removed 1 selfloop flow, removed 2 redundant places. [2023-08-31 21:32:22,104 INFO L231 Difference]: Finished difference. Result has 165 places, 158 transitions, 372 flow [2023-08-31 21:32:22,105 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1350, PETRI_DIFFERENCE_MINUEND_FLOW=358, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=372, PETRI_PLACES=165, PETRI_TRANSITIONS=158} [2023-08-31 21:32:22,105 INFO L281 CegarLoopForPetriNet]: 211 programPoint places, -46 predicate places. [2023-08-31 21:32:22,105 INFO L495 AbstractCegarLoop]: Abstraction has has 165 places, 158 transitions, 372 flow [2023-08-31 21:32:22,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 653.25) internal successors, (2613), 4 states have internal predecessors, (2613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:22,107 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:32:22,107 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:32:22,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-31 21:32:22,107 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2023-08-31 21:32:22,108 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:32:22,108 INFO L85 PathProgramCache]: Analyzing trace with hash 180132440, now seen corresponding path program 1 times [2023-08-31 21:32:22,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:32:22,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390734165] [2023-08-31 21:32:22,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:32:22,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:32:22,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:32:22,519 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-31 21:32:22,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:32:22,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390734165] [2023-08-31 21:32:22,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390734165] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:32:22,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:32:22,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:32:22,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629447160] [2023-08-31 21:32:22,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:32:22,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:32:22,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:32:22,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:32:22,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:32:23,058 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 623 out of 1350 [2023-08-31 21:32:23,061 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 158 transitions, 372 flow. Second operand has 6 states, 6 states have (on average 625.5) internal successors, (3753), 6 states have internal predecessors, (3753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:23,061 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:32:23,061 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 623 of 1350 [2023-08-31 21:32:23,061 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:32:23,632 INFO L130 PetriNetUnfolder]: 1672/4755 cut-off events. [2023-08-31 21:32:23,633 INFO L131 PetriNetUnfolder]: For 83/83 co-relation queries the response was YES. [2023-08-31 21:32:23,645 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7713 conditions, 4755 events. 1672/4755 cut-off events. For 83/83 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 37371 event pairs, 518 based on Foata normal form. 0/4342 useless extension candidates. Maximal degree in co-relation 7703. Up to 2618 conditions per place. [2023-08-31 21:32:23,660 INFO L137 encePairwiseOnDemand]: 1338/1350 looper letters, 107 selfloop transitions, 8 changer transitions 0/202 dead transitions. [2023-08-31 21:32:23,660 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 202 transitions, 702 flow [2023-08-31 21:32:23,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:32:23,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:32:23,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3851 transitions. [2023-08-31 21:32:23,669 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4754320987654321 [2023-08-31 21:32:23,669 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3851 transitions. [2023-08-31 21:32:23,669 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3851 transitions. [2023-08-31 21:32:23,671 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:32:23,671 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3851 transitions. [2023-08-31 21:32:23,677 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 641.8333333333334) internal successors, (3851), 6 states have internal predecessors, (3851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:23,684 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1350.0) internal successors, (9450), 7 states have internal predecessors, (9450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:23,686 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1350.0) internal successors, (9450), 7 states have internal predecessors, (9450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:23,686 INFO L175 Difference]: Start difference. First operand has 165 places, 158 transitions, 372 flow. Second operand 6 states and 3851 transitions. [2023-08-31 21:32:23,686 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 202 transitions, 702 flow [2023-08-31 21:32:23,688 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 202 transitions, 696 flow, removed 1 selfloop flow, removed 2 redundant places. [2023-08-31 21:32:23,690 INFO L231 Difference]: Finished difference. Result has 168 places, 162 transitions, 420 flow [2023-08-31 21:32:23,690 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1350, PETRI_DIFFERENCE_MINUEND_FLOW=358, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=420, PETRI_PLACES=168, PETRI_TRANSITIONS=162} [2023-08-31 21:32:23,690 INFO L281 CegarLoopForPetriNet]: 211 programPoint places, -43 predicate places. [2023-08-31 21:32:23,690 INFO L495 AbstractCegarLoop]: Abstraction has has 168 places, 162 transitions, 420 flow [2023-08-31 21:32:23,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 625.5) internal successors, (3753), 6 states have internal predecessors, (3753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:23,691 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:32:23,691 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] [2023-08-31 21:32:23,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-31 21:32:23,692 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2023-08-31 21:32:23,692 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:32:23,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1335687771, now seen corresponding path program 1 times [2023-08-31 21:32:23,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:32:23,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497053211] [2023-08-31 21:32:23,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:32:23,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:32:23,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:32:24,037 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-31 21:32:24,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:32:24,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497053211] [2023-08-31 21:32:24,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497053211] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:32:24,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:32:24,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:32:24,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554167736] [2023-08-31 21:32:24,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:32:24,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:32:24,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:32:24,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:32:24,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:32:24,573 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 623 out of 1350 [2023-08-31 21:32:24,574 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 162 transitions, 420 flow. Second operand has 6 states, 6 states have (on average 625.8333333333334) internal successors, (3755), 6 states have internal predecessors, (3755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:24,575 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:32:24,575 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 623 of 1350 [2023-08-31 21:32:24,575 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:32:25,143 INFO L130 PetriNetUnfolder]: 1684/4872 cut-off events. [2023-08-31 21:32:25,143 INFO L131 PetriNetUnfolder]: For 99/105 co-relation queries the response was YES. [2023-08-31 21:32:25,169 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8015 conditions, 4872 events. 1684/4872 cut-off events. For 99/105 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 38547 event pairs, 653 based on Foata normal form. 0/4482 useless extension candidates. Maximal degree in co-relation 8002. Up to 2731 conditions per place. [2023-08-31 21:32:25,184 INFO L137 encePairwiseOnDemand]: 1338/1350 looper letters, 98 selfloop transitions, 8 changer transitions 0/198 dead transitions. [2023-08-31 21:32:25,185 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 198 transitions, 716 flow [2023-08-31 21:32:25,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:32:25,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:32:25,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3842 transitions. [2023-08-31 21:32:25,195 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.474320987654321 [2023-08-31 21:32:25,195 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3842 transitions. [2023-08-31 21:32:25,196 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3842 transitions. [2023-08-31 21:32:25,198 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:32:25,198 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3842 transitions. [2023-08-31 21:32:25,206 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 640.3333333333334) internal successors, (3842), 6 states have internal predecessors, (3842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:25,213 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1350.0) internal successors, (9450), 7 states have internal predecessors, (9450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:25,216 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1350.0) internal successors, (9450), 7 states have internal predecessors, (9450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:25,216 INFO L175 Difference]: Start difference. First operand has 168 places, 162 transitions, 420 flow. Second operand 6 states and 3842 transitions. [2023-08-31 21:32:25,216 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 198 transitions, 716 flow [2023-08-31 21:32:25,218 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 198 transitions, 716 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:32:25,220 INFO L231 Difference]: Finished difference. Result has 173 places, 166 transitions, 474 flow [2023-08-31 21:32:25,221 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1350, PETRI_DIFFERENCE_MINUEND_FLOW=412, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=474, PETRI_PLACES=173, PETRI_TRANSITIONS=166} [2023-08-31 21:32:25,222 INFO L281 CegarLoopForPetriNet]: 211 programPoint places, -38 predicate places. [2023-08-31 21:32:25,222 INFO L495 AbstractCegarLoop]: Abstraction has has 173 places, 166 transitions, 474 flow [2023-08-31 21:32:25,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 625.8333333333334) internal successors, (3755), 6 states have internal predecessors, (3755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:25,223 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:32:25,223 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, 1, 1] [2023-08-31 21:32:25,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-31 21:32:25,223 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2023-08-31 21:32:25,224 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:32:25,224 INFO L85 PathProgramCache]: Analyzing trace with hash 859835059, now seen corresponding path program 1 times [2023-08-31 21:32:25,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:32:25,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784928695] [2023-08-31 21:32:25,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:32:25,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:32:25,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:32:25,276 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-31 21:32:25,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:32:25,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784928695] [2023-08-31 21:32:25,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784928695] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:32:25,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:32:25,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:32:25,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680831169] [2023-08-31 21:32:25,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:32:25,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:32:25,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:32:25,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:32:25,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:32:25,288 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 654 out of 1350 [2023-08-31 21:32:25,290 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 166 transitions, 474 flow. Second operand has 3 states, 3 states have (on average 659.0) internal successors, (1977), 3 states have internal predecessors, (1977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:25,290 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:32:25,290 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 654 of 1350 [2023-08-31 21:32:25,291 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:32:25,765 INFO L130 PetriNetUnfolder]: 994/4050 cut-off events. [2023-08-31 21:32:25,766 INFO L131 PetriNetUnfolder]: For 138/148 co-relation queries the response was YES. [2023-08-31 21:32:25,783 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6205 conditions, 4050 events. 994/4050 cut-off events. For 138/148 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 35900 event pairs, 237 based on Foata normal form. 0/3753 useless extension candidates. Maximal degree in co-relation 6188. Up to 1317 conditions per place. [2023-08-31 21:32:25,795 INFO L137 encePairwiseOnDemand]: 1346/1350 looper letters, 73 selfloop transitions, 2 changer transitions 0/186 dead transitions. [2023-08-31 21:32:25,795 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 186 transitions, 671 flow [2023-08-31 21:32:25,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:32:25,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:32:25,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2032 transitions. [2023-08-31 21:32:25,800 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5017283950617284 [2023-08-31 21:32:25,800 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2032 transitions. [2023-08-31 21:32:25,801 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2032 transitions. [2023-08-31 21:32:25,801 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:32:25,801 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2032 transitions. [2023-08-31 21:32:25,804 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 677.3333333333334) internal successors, (2032), 3 states have internal predecessors, (2032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:25,808 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1350.0) internal successors, (5400), 4 states have internal predecessors, (5400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:25,809 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1350.0) internal successors, (5400), 4 states have internal predecessors, (5400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:25,809 INFO L175 Difference]: Start difference. First operand has 173 places, 166 transitions, 474 flow. Second operand 3 states and 2032 transitions. [2023-08-31 21:32:25,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 186 transitions, 671 flow [2023-08-31 21:32:25,811 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 186 transitions, 671 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:32:25,813 INFO L231 Difference]: Finished difference. Result has 174 places, 166 transitions, 484 flow [2023-08-31 21:32:25,814 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1350, PETRI_DIFFERENCE_MINUEND_FLOW=470, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=484, PETRI_PLACES=174, PETRI_TRANSITIONS=166} [2023-08-31 21:32:25,814 INFO L281 CegarLoopForPetriNet]: 211 programPoint places, -37 predicate places. [2023-08-31 21:32:25,815 INFO L495 AbstractCegarLoop]: Abstraction has has 174 places, 166 transitions, 484 flow [2023-08-31 21:32:25,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 659.0) internal successors, (1977), 3 states have internal predecessors, (1977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:25,815 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:32:25,816 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, 1, 1] [2023-08-31 21:32:25,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-31 21:32:25,816 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2023-08-31 21:32:25,816 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:32:25,816 INFO L85 PathProgramCache]: Analyzing trace with hash -1598971347, now seen corresponding path program 1 times [2023-08-31 21:32:25,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:32:25,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068409588] [2023-08-31 21:32:25,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:32:25,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:32:25,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:32:25,875 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-31 21:32:25,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:32:25,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068409588] [2023-08-31 21:32:25,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068409588] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:32:25,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:32:25,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:32:25,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412129748] [2023-08-31 21:32:25,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:32:25,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:32:25,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:32:25,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:32:25,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:32:25,886 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 654 out of 1350 [2023-08-31 21:32:25,888 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 174 places, 166 transitions, 484 flow. Second operand has 3 states, 3 states have (on average 660.3333333333334) internal successors, (1981), 3 states have internal predecessors, (1981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:25,888 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:32:25,888 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 654 of 1350 [2023-08-31 21:32:25,889 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:32:26,398 INFO L130 PetriNetUnfolder]: 1102/4536 cut-off events. [2023-08-31 21:32:26,398 INFO L131 PetriNetUnfolder]: For 235/245 co-relation queries the response was YES. [2023-08-31 21:32:26,423 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7082 conditions, 4536 events. 1102/4536 cut-off events. For 235/245 co-relation queries the response was YES. Maximal size of possible extension queue 156. Compared 42299 event pairs, 237 based on Foata normal form. 0/4249 useless extension candidates. Maximal degree in co-relation 7064. Up to 1499 conditions per place. [2023-08-31 21:32:26,438 INFO L137 encePairwiseOnDemand]: 1346/1350 looper letters, 75 selfloop transitions, 2 changer transitions 0/186 dead transitions. [2023-08-31 21:32:26,438 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 186 transitions, 689 flow [2023-08-31 21:32:26,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:32:26,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:32:26,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2032 transitions. [2023-08-31 21:32:26,443 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5017283950617284 [2023-08-31 21:32:26,443 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2032 transitions. [2023-08-31 21:32:26,443 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2032 transitions. [2023-08-31 21:32:26,444 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:32:26,444 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2032 transitions. [2023-08-31 21:32:26,446 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 677.3333333333334) internal successors, (2032), 3 states have internal predecessors, (2032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:26,450 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1350.0) internal successors, (5400), 4 states have internal predecessors, (5400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:26,451 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1350.0) internal successors, (5400), 4 states have internal predecessors, (5400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:26,452 INFO L175 Difference]: Start difference. First operand has 174 places, 166 transitions, 484 flow. Second operand 3 states and 2032 transitions. [2023-08-31 21:32:26,452 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 186 transitions, 689 flow [2023-08-31 21:32:26,454 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 186 transitions, 689 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:32:26,456 INFO L231 Difference]: Finished difference. Result has 175 places, 166 transitions, 494 flow [2023-08-31 21:32:26,457 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1350, PETRI_DIFFERENCE_MINUEND_FLOW=480, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=494, PETRI_PLACES=175, PETRI_TRANSITIONS=166} [2023-08-31 21:32:26,457 INFO L281 CegarLoopForPetriNet]: 211 programPoint places, -36 predicate places. [2023-08-31 21:32:26,457 INFO L495 AbstractCegarLoop]: Abstraction has has 175 places, 166 transitions, 494 flow [2023-08-31 21:32:26,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 660.3333333333334) internal successors, (1981), 3 states have internal predecessors, (1981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:26,458 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:32:26,458 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, 1, 1, 1, 1, 1, 1] [2023-08-31 21:32:26,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-08-31 21:32:26,458 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2023-08-31 21:32:26,459 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:32:26,459 INFO L85 PathProgramCache]: Analyzing trace with hash -793247886, now seen corresponding path program 1 times [2023-08-31 21:32:26,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:32:26,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461487110] [2023-08-31 21:32:26,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:32:26,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:32:26,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:32:26,588 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-31 21:32:26,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:32:26,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461487110] [2023-08-31 21:32:26,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461487110] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:32:26,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:32:26,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:32:26,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484161911] [2023-08-31 21:32:26,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:32:26,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:32:26,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:32:26,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:32:26,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:32:26,749 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 641 out of 1350 [2023-08-31 21:32:26,750 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 166 transitions, 494 flow. Second operand has 3 states, 3 states have (on average 647.6666666666666) internal successors, (1943), 3 states have internal predecessors, (1943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:26,750 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:32:26,750 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 641 of 1350 [2023-08-31 21:32:26,750 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:32:27,337 INFO L130 PetriNetUnfolder]: 1116/4542 cut-off events. [2023-08-31 21:32:27,338 INFO L131 PetriNetUnfolder]: For 248/258 co-relation queries the response was YES. [2023-08-31 21:32:27,360 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7257 conditions, 4542 events. 1116/4542 cut-off events. For 248/258 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 42165 event pairs, 271 based on Foata normal form. 0/4257 useless extension candidates. Maximal degree in co-relation 7238. Up to 1405 conditions per place. [2023-08-31 21:32:27,374 INFO L137 encePairwiseOnDemand]: 1346/1350 looper letters, 79 selfloop transitions, 2 changer transitions 0/188 dead transitions. [2023-08-31 21:32:27,374 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 188 transitions, 715 flow [2023-08-31 21:32:27,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:32:27,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:32:27,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1995 transitions. [2023-08-31 21:32:27,379 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4925925925925926 [2023-08-31 21:32:27,379 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1995 transitions. [2023-08-31 21:32:27,379 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1995 transitions. [2023-08-31 21:32:27,380 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:32:27,380 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1995 transitions. [2023-08-31 21:32:27,383 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 665.0) internal successors, (1995), 3 states have internal predecessors, (1995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:27,387 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1350.0) internal successors, (5400), 4 states have internal predecessors, (5400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:27,387 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1350.0) internal successors, (5400), 4 states have internal predecessors, (5400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:27,388 INFO L175 Difference]: Start difference. First operand has 175 places, 166 transitions, 494 flow. Second operand 3 states and 1995 transitions. [2023-08-31 21:32:27,388 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 188 transitions, 715 flow [2023-08-31 21:32:27,390 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 188 transitions, 715 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:32:27,392 INFO L231 Difference]: Finished difference. Result has 176 places, 166 transitions, 504 flow [2023-08-31 21:32:27,392 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1350, PETRI_DIFFERENCE_MINUEND_FLOW=490, PETRI_DIFFERENCE_MINUEND_PLACES=173, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=504, PETRI_PLACES=176, PETRI_TRANSITIONS=166} [2023-08-31 21:32:27,393 INFO L281 CegarLoopForPetriNet]: 211 programPoint places, -35 predicate places. [2023-08-31 21:32:27,396 INFO L495 AbstractCegarLoop]: Abstraction has has 176 places, 166 transitions, 504 flow [2023-08-31 21:32:27,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 647.6666666666666) internal successors, (1943), 3 states have internal predecessors, (1943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:27,397 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:32:27,397 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, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:32:27,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-08-31 21:32:27,398 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2023-08-31 21:32:27,398 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:32:27,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1892854689, now seen corresponding path program 1 times [2023-08-31 21:32:27,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:32:27,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227818759] [2023-08-31 21:32:27,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:32:27,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:32:27,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:32:27,516 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-31 21:32:27,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:32:27,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227818759] [2023-08-31 21:32:27,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227818759] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:32:27,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:32:27,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:32:27,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880542855] [2023-08-31 21:32:27,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:32:27,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:32:27,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:32:27,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:32:27,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:32:27,673 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 641 out of 1350 [2023-08-31 21:32:27,674 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 166 transitions, 504 flow. Second operand has 3 states, 3 states have (on average 646.3333333333334) internal successors, (1939), 3 states have internal predecessors, (1939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:27,675 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:32:27,675 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 641 of 1350 [2023-08-31 21:32:27,675 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:32:28,184 INFO L130 PetriNetUnfolder]: 1091/4664 cut-off events. [2023-08-31 21:32:28,185 INFO L131 PetriNetUnfolder]: For 298/308 co-relation queries the response was YES. [2023-08-31 21:32:28,216 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7475 conditions, 4664 events. 1091/4664 cut-off events. For 298/308 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 43414 event pairs, 263 based on Foata normal form. 0/4422 useless extension candidates. Maximal degree in co-relation 7455. Up to 1384 conditions per place. [2023-08-31 21:32:28,231 INFO L137 encePairwiseOnDemand]: 1346/1350 looper letters, 79 selfloop transitions, 2 changer transitions 0/188 dead transitions. [2023-08-31 21:32:28,231 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 188 transitions, 727 flow [2023-08-31 21:32:28,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:32:28,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:32:28,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1994 transitions. [2023-08-31 21:32:28,241 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49234567901234566 [2023-08-31 21:32:28,241 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1994 transitions. [2023-08-31 21:32:28,241 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1994 transitions. [2023-08-31 21:32:28,242 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:32:28,242 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1994 transitions. [2023-08-31 21:32:28,296 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 664.6666666666666) internal successors, (1994), 3 states have internal predecessors, (1994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:28,300 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1350.0) internal successors, (5400), 4 states have internal predecessors, (5400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:28,301 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1350.0) internal successors, (5400), 4 states have internal predecessors, (5400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:28,301 INFO L175 Difference]: Start difference. First operand has 176 places, 166 transitions, 504 flow. Second operand 3 states and 1994 transitions. [2023-08-31 21:32:28,301 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 188 transitions, 727 flow [2023-08-31 21:32:28,303 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 188 transitions, 727 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:32:28,305 INFO L231 Difference]: Finished difference. Result has 177 places, 166 transitions, 514 flow [2023-08-31 21:32:28,306 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1350, PETRI_DIFFERENCE_MINUEND_FLOW=500, PETRI_DIFFERENCE_MINUEND_PLACES=174, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=514, PETRI_PLACES=177, PETRI_TRANSITIONS=166} [2023-08-31 21:32:28,306 INFO L281 CegarLoopForPetriNet]: 211 programPoint places, -34 predicate places. [2023-08-31 21:32:28,306 INFO L495 AbstractCegarLoop]: Abstraction has has 177 places, 166 transitions, 514 flow [2023-08-31 21:32:28,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 646.3333333333334) internal successors, (1939), 3 states have internal predecessors, (1939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:28,307 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:32:28,307 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:32:28,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-08-31 21:32:28,307 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2023-08-31 21:32:28,308 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:32:28,308 INFO L85 PathProgramCache]: Analyzing trace with hash -2101563485, now seen corresponding path program 1 times [2023-08-31 21:32:28,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:32:28,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3170125] [2023-08-31 21:32:28,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:32:28,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:32:28,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:32:28,370 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-31 21:32:28,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:32:28,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3170125] [2023-08-31 21:32:28,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3170125] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:32:28,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:32:28,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-31 21:32:28,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763251303] [2023-08-31 21:32:28,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:32:28,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:32:28,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:32:28,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:32:28,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:32:28,380 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 654 out of 1350 [2023-08-31 21:32:28,382 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 166 transitions, 514 flow. Second operand has 3 states, 3 states have (on average 661.0) internal successors, (1983), 3 states have internal predecessors, (1983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:28,382 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:32:28,382 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 654 of 1350 [2023-08-31 21:32:28,382 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:32:28,935 INFO L130 PetriNetUnfolder]: 1101/4746 cut-off events. [2023-08-31 21:32:28,936 INFO L131 PetriNetUnfolder]: For 358/368 co-relation queries the response was YES. [2023-08-31 21:32:28,957 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7677 conditions, 4746 events. 1101/4746 cut-off events. For 358/368 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 44385 event pairs, 585 based on Foata normal form. 0/4491 useless extension candidates. Maximal degree in co-relation 7656. Up to 1413 conditions per place. [2023-08-31 21:32:28,971 INFO L137 encePairwiseOnDemand]: 1346/1350 looper letters, 72 selfloop transitions, 3 changer transitions 0/184 dead transitions. [2023-08-31 21:32:28,971 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 179 places, 184 transitions, 710 flow [2023-08-31 21:32:28,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:32:28,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:32:28,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2024 transitions. [2023-08-31 21:32:28,975 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4997530864197531 [2023-08-31 21:32:28,975 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2024 transitions. [2023-08-31 21:32:28,976 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2024 transitions. [2023-08-31 21:32:28,976 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:32:28,976 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2024 transitions. [2023-08-31 21:32:28,979 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 674.6666666666666) internal successors, (2024), 3 states have internal predecessors, (2024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:28,982 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1350.0) internal successors, (5400), 4 states have internal predecessors, (5400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:28,982 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1350.0) internal successors, (5400), 4 states have internal predecessors, (5400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:28,982 INFO L175 Difference]: Start difference. First operand has 177 places, 166 transitions, 514 flow. Second operand 3 states and 2024 transitions. [2023-08-31 21:32:28,982 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 179 places, 184 transitions, 710 flow [2023-08-31 21:32:28,986 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 184 transitions, 710 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:32:28,988 INFO L231 Difference]: Finished difference. Result has 181 places, 168 transitions, 536 flow [2023-08-31 21:32:28,988 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1350, PETRI_DIFFERENCE_MINUEND_FLOW=514, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=536, PETRI_PLACES=181, PETRI_TRANSITIONS=168} [2023-08-31 21:32:28,988 INFO L281 CegarLoopForPetriNet]: 211 programPoint places, -30 predicate places. [2023-08-31 21:32:28,989 INFO L495 AbstractCegarLoop]: Abstraction has has 181 places, 168 transitions, 536 flow [2023-08-31 21:32:28,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 661.0) internal successors, (1983), 3 states have internal predecessors, (1983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:28,989 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:32:28,989 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:32:28,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-08-31 21:32:28,989 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2023-08-31 21:32:28,990 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:32:28,990 INFO L85 PathProgramCache]: Analyzing trace with hash -2032129290, now seen corresponding path program 1 times [2023-08-31 21:32:28,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:32:28,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691888129] [2023-08-31 21:32:28,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:32:28,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:32:29,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:32:29,057 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-31 21:32:29,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:32:29,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691888129] [2023-08-31 21:32:29,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691888129] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:32:29,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:32:29,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-31 21:32:29,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904258279] [2023-08-31 21:32:29,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:32:29,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:32:29,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:32:29,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:32:29,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:32:29,067 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 654 out of 1350 [2023-08-31 21:32:29,068 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 168 transitions, 536 flow. Second operand has 3 states, 3 states have (on average 659.3333333333334) internal successors, (1978), 3 states have internal predecessors, (1978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:29,068 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:32:29,068 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 654 of 1350 [2023-08-31 21:32:29,068 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:32:29,728 INFO L130 PetriNetUnfolder]: 1174/5115 cut-off events. [2023-08-31 21:32:29,728 INFO L131 PetriNetUnfolder]: For 649/659 co-relation queries the response was YES. [2023-08-31 21:32:29,749 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8610 conditions, 5115 events. 1174/5115 cut-off events. For 649/659 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 47728 event pairs, 712 based on Foata normal form. 0/4929 useless extension candidates. Maximal degree in co-relation 8587. Up to 1670 conditions per place. [2023-08-31 21:32:29,761 INFO L137 encePairwiseOnDemand]: 1346/1350 looper letters, 82 selfloop transitions, 3 changer transitions 0/194 dead transitions. [2023-08-31 21:32:29,761 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 194 transitions, 795 flow [2023-08-31 21:32:29,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:32:29,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:32:29,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2029 transitions. [2023-08-31 21:32:29,765 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5009876543209877 [2023-08-31 21:32:29,765 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2029 transitions. [2023-08-31 21:32:29,765 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2029 transitions. [2023-08-31 21:32:29,766 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:32:29,766 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2029 transitions. [2023-08-31 21:32:29,771 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 676.3333333333334) internal successors, (2029), 3 states have internal predecessors, (2029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:29,775 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1350.0) internal successors, (5400), 4 states have internal predecessors, (5400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:29,776 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1350.0) internal successors, (5400), 4 states have internal predecessors, (5400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:29,776 INFO L175 Difference]: Start difference. First operand has 181 places, 168 transitions, 536 flow. Second operand 3 states and 2029 transitions. [2023-08-31 21:32:29,776 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 194 transitions, 795 flow [2023-08-31 21:32:29,782 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 194 transitions, 783 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-31 21:32:29,784 INFO L231 Difference]: Finished difference. Result has 183 places, 170 transitions, 552 flow [2023-08-31 21:32:29,784 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1350, PETRI_DIFFERENCE_MINUEND_FLOW=530, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=552, PETRI_PLACES=183, PETRI_TRANSITIONS=170} [2023-08-31 21:32:29,785 INFO L281 CegarLoopForPetriNet]: 211 programPoint places, -28 predicate places. [2023-08-31 21:32:29,785 INFO L495 AbstractCegarLoop]: Abstraction has has 183 places, 170 transitions, 552 flow [2023-08-31 21:32:29,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 659.3333333333334) internal successors, (1978), 3 states have internal predecessors, (1978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:29,786 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:32:29,786 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:32:29,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-08-31 21:32:29,786 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2023-08-31 21:32:29,786 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:32:29,787 INFO L85 PathProgramCache]: Analyzing trace with hash 880850188, now seen corresponding path program 1 times [2023-08-31 21:32:29,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:32:29,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098329878] [2023-08-31 21:32:29,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:32:29,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:32:29,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:32:29,859 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-31 21:32:29,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:32:29,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098329878] [2023-08-31 21:32:29,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098329878] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:32:29,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:32:29,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:32:29,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374949269] [2023-08-31 21:32:29,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:32:29,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:32:29,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:32:29,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:32:29,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:32:29,879 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 653 out of 1350 [2023-08-31 21:32:29,881 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 170 transitions, 552 flow. Second operand has 3 states, 3 states have (on average 661.0) internal successors, (1983), 3 states have internal predecessors, (1983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:29,881 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:32:29,881 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 653 of 1350 [2023-08-31 21:32:29,881 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:32:30,436 INFO L130 PetriNetUnfolder]: 1174/4897 cut-off events. [2023-08-31 21:32:30,436 INFO L131 PetriNetUnfolder]: For 746/756 co-relation queries the response was YES. [2023-08-31 21:32:30,461 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8733 conditions, 4897 events. 1174/4897 cut-off events. For 746/756 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 45205 event pairs, 818 based on Foata normal form. 100/4859 useless extension candidates. Maximal degree in co-relation 8709. Up to 1908 conditions per place. [2023-08-31 21:32:30,476 INFO L137 encePairwiseOnDemand]: 1346/1350 looper letters, 75 selfloop transitions, 4 changer transitions 0/187 dead transitions. [2023-08-31 21:32:30,476 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 187 transitions, 772 flow [2023-08-31 21:32:30,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:32:30,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:32:30,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2019 transitions. [2023-08-31 21:32:30,481 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4985185185185185 [2023-08-31 21:32:30,481 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2019 transitions. [2023-08-31 21:32:30,481 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2019 transitions. [2023-08-31 21:32:30,482 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:32:30,482 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2019 transitions. [2023-08-31 21:32:30,484 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 673.0) internal successors, (2019), 3 states have internal predecessors, (2019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:30,488 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1350.0) internal successors, (5400), 4 states have internal predecessors, (5400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:30,488 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1350.0) internal successors, (5400), 4 states have internal predecessors, (5400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:30,488 INFO L175 Difference]: Start difference. First operand has 183 places, 170 transitions, 552 flow. Second operand 3 states and 2019 transitions. [2023-08-31 21:32:30,488 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 187 transitions, 772 flow [2023-08-31 21:32:30,497 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 187 transitions, 760 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-31 21:32:30,499 INFO L231 Difference]: Finished difference. Result has 182 places, 169 transitions, 552 flow [2023-08-31 21:32:30,499 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1350, PETRI_DIFFERENCE_MINUEND_FLOW=544, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=552, PETRI_PLACES=182, PETRI_TRANSITIONS=169} [2023-08-31 21:32:30,499 INFO L281 CegarLoopForPetriNet]: 211 programPoint places, -29 predicate places. [2023-08-31 21:32:30,500 INFO L495 AbstractCegarLoop]: Abstraction has has 182 places, 169 transitions, 552 flow [2023-08-31 21:32:30,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 661.0) internal successors, (1983), 3 states have internal predecessors, (1983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:30,500 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:32:30,500 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:32:30,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-08-31 21:32:30,500 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread1Err24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2023-08-31 21:32:30,501 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:32:30,501 INFO L85 PathProgramCache]: Analyzing trace with hash -302474717, now seen corresponding path program 1 times [2023-08-31 21:32:30,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:32:30,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701333369] [2023-08-31 21:32:30,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:32:30,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:32:30,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:32:30,561 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-31 21:32:30,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:32:30,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701333369] [2023-08-31 21:32:30,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701333369] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:32:30,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:32:30,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:32:30,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065980323] [2023-08-31 21:32:30,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:32:30,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:32:30,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:32:30,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:32:30,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:32:30,577 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 653 out of 1350 [2023-08-31 21:32:30,579 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 169 transitions, 552 flow. Second operand has 3 states, 3 states have (on average 659.3333333333334) internal successors, (1978), 3 states have internal predecessors, (1978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:30,579 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:32:30,579 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 653 of 1350 [2023-08-31 21:32:30,579 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:32:31,114 INFO L130 PetriNetUnfolder]: 1174/4859 cut-off events. [2023-08-31 21:32:31,114 INFO L131 PetriNetUnfolder]: For 688/698 co-relation queries the response was YES. [2023-08-31 21:32:31,132 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8727 conditions, 4859 events. 1174/4859 cut-off events. For 688/698 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 44365 event pairs, 793 based on Foata normal form. 116/4829 useless extension candidates. Maximal degree in co-relation 8703. Up to 1861 conditions per place. [2023-08-31 21:32:31,142 INFO L137 encePairwiseOnDemand]: 1346/1350 looper letters, 81 selfloop transitions, 4 changer transitions 0/192 dead transitions. [2023-08-31 21:32:31,142 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 192 transitions, 807 flow [2023-08-31 21:32:31,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:32:31,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:32:31,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2024 transitions. [2023-08-31 21:32:31,147 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4997530864197531 [2023-08-31 21:32:31,147 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2024 transitions. [2023-08-31 21:32:31,147 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2024 transitions. [2023-08-31 21:32:31,147 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:32:31,148 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2024 transitions. [2023-08-31 21:32:31,150 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 674.6666666666666) internal successors, (2024), 3 states have internal predecessors, (2024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:31,153 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1350.0) internal successors, (5400), 4 states have internal predecessors, (5400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:31,154 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1350.0) internal successors, (5400), 4 states have internal predecessors, (5400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:31,154 INFO L175 Difference]: Start difference. First operand has 182 places, 169 transitions, 552 flow. Second operand 3 states and 2024 transitions. [2023-08-31 21:32:31,154 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 192 transitions, 807 flow [2023-08-31 21:32:31,161 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 192 transitions, 791 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-31 21:32:31,163 INFO L231 Difference]: Finished difference. Result has 181 places, 168 transitions, 550 flow [2023-08-31 21:32:31,164 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1350, PETRI_DIFFERENCE_MINUEND_FLOW=542, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=550, PETRI_PLACES=181, PETRI_TRANSITIONS=168} [2023-08-31 21:32:31,164 INFO L281 CegarLoopForPetriNet]: 211 programPoint places, -30 predicate places. [2023-08-31 21:32:31,164 INFO L495 AbstractCegarLoop]: Abstraction has has 181 places, 168 transitions, 550 flow [2023-08-31 21:32:31,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 659.3333333333334) internal successors, (1978), 3 states have internal predecessors, (1978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:31,165 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:32:31,165 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:32:31,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-08-31 21:32:31,165 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2023-08-31 21:32:31,165 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:32:31,165 INFO L85 PathProgramCache]: Analyzing trace with hash -863800500, now seen corresponding path program 1 times [2023-08-31 21:32:31,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:32:31,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645274105] [2023-08-31 21:32:31,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:32:31,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:32:31,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:32:31,661 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-31 21:32:31,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:32:31,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645274105] [2023-08-31 21:32:31,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645274105] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:32:31,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:32:31,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:32:31,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477290508] [2023-08-31 21:32:31,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:32:31,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:32:31,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:32:31,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:32:31,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:32:32,083 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 642 out of 1350 [2023-08-31 21:32:32,085 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 168 transitions, 550 flow. Second operand has 6 states, 6 states have (on average 646.6666666666666) internal successors, (3880), 6 states have internal predecessors, (3880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:32,085 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:32:32,085 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 642 of 1350 [2023-08-31 21:32:32,085 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:32:32,731 INFO L130 PetriNetUnfolder]: 1278/4930 cut-off events. [2023-08-31 21:32:32,732 INFO L131 PetriNetUnfolder]: For 702/712 co-relation queries the response was YES. [2023-08-31 21:32:32,754 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9138 conditions, 4930 events. 1278/4930 cut-off events. For 702/712 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 44508 event pairs, 903 based on Foata normal form. 0/4817 useless extension candidates. Maximal degree in co-relation 9114. Up to 2069 conditions per place. [2023-08-31 21:32:32,758 INFO L137 encePairwiseOnDemand]: 1345/1350 looper letters, 0 selfloop transitions, 0 changer transitions 251/251 dead transitions. [2023-08-31 21:32:32,758 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 251 transitions, 1134 flow [2023-08-31 21:32:32,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:32:32,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:32:32,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3969 transitions. [2023-08-31 21:32:32,771 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49 [2023-08-31 21:32:32,772 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3969 transitions. [2023-08-31 21:32:32,772 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3969 transitions. [2023-08-31 21:32:32,773 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:32:32,773 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3969 transitions. [2023-08-31 21:32:32,778 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 661.5) internal successors, (3969), 6 states have internal predecessors, (3969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:32,783 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1350.0) internal successors, (9450), 7 states have internal predecessors, (9450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:32,784 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1350.0) internal successors, (9450), 7 states have internal predecessors, (9450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:32,784 INFO L175 Difference]: Start difference. First operand has 181 places, 168 transitions, 550 flow. Second operand 6 states and 3969 transitions. [2023-08-31 21:32:32,784 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 251 transitions, 1134 flow [2023-08-31 21:32:32,794 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 251 transitions, 1126 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-31 21:32:32,795 INFO L231 Difference]: Finished difference. Result has 183 places, 0 transitions, 0 flow [2023-08-31 21:32:32,796 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1350, PETRI_DIFFERENCE_MINUEND_FLOW=540, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=167, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=183, PETRI_TRANSITIONS=0} [2023-08-31 21:32:32,796 INFO L281 CegarLoopForPetriNet]: 211 programPoint places, -28 predicate places. [2023-08-31 21:32:32,796 INFO L495 AbstractCegarLoop]: Abstraction has has 183 places, 0 transitions, 0 flow [2023-08-31 21:32:32,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 646.6666666666666) internal successors, (3880), 6 states have internal predecessors, (3880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:32,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (131 of 132 remaining) [2023-08-31 21:32:32,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (130 of 132 remaining) [2023-08-31 21:32:32,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (129 of 132 remaining) [2023-08-31 21:32:32,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (128 of 132 remaining) [2023-08-31 21:32:32,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (127 of 132 remaining) [2023-08-31 21:32:32,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (126 of 132 remaining) [2023-08-31 21:32:32,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (125 of 132 remaining) [2023-08-31 21:32:32,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (124 of 132 remaining) [2023-08-31 21:32:32,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (123 of 132 remaining) [2023-08-31 21:32:32,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (122 of 132 remaining) [2023-08-31 21:32:32,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (121 of 132 remaining) [2023-08-31 21:32:32,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (120 of 132 remaining) [2023-08-31 21:32:32,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (119 of 132 remaining) [2023-08-31 21:32:32,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (118 of 132 remaining) [2023-08-31 21:32:32,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (117 of 132 remaining) [2023-08-31 21:32:32,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (116 of 132 remaining) [2023-08-31 21:32:32,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (115 of 132 remaining) [2023-08-31 21:32:32,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (114 of 132 remaining) [2023-08-31 21:32:32,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (113 of 132 remaining) [2023-08-31 21:32:32,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (112 of 132 remaining) [2023-08-31 21:32:32,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (111 of 132 remaining) [2023-08-31 21:32:32,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err24ASSERT_VIOLATIONDATA_RACE (110 of 132 remaining) [2023-08-31 21:32:32,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (109 of 132 remaining) [2023-08-31 21:32:32,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (108 of 132 remaining) [2023-08-31 21:32:32,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (107 of 132 remaining) [2023-08-31 21:32:32,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (106 of 132 remaining) [2023-08-31 21:32:32,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (105 of 132 remaining) [2023-08-31 21:32:32,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (104 of 132 remaining) [2023-08-31 21:32:32,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (103 of 132 remaining) [2023-08-31 21:32:32,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (102 of 132 remaining) [2023-08-31 21:32:32,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (101 of 132 remaining) [2023-08-31 21:32:32,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (100 of 132 remaining) [2023-08-31 21:32:32,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (99 of 132 remaining) [2023-08-31 21:32:32,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (98 of 132 remaining) [2023-08-31 21:32:32,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (97 of 132 remaining) [2023-08-31 21:32:32,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (96 of 132 remaining) [2023-08-31 21:32:32,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (95 of 132 remaining) [2023-08-31 21:32:32,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (94 of 132 remaining) [2023-08-31 21:32:32,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (93 of 132 remaining) [2023-08-31 21:32:32,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (92 of 132 remaining) [2023-08-31 21:32:32,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (91 of 132 remaining) [2023-08-31 21:32:32,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (90 of 132 remaining) [2023-08-31 21:32:32,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (89 of 132 remaining) [2023-08-31 21:32:32,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (88 of 132 remaining) [2023-08-31 21:32:32,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (87 of 132 remaining) [2023-08-31 21:32:32,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (86 of 132 remaining) [2023-08-31 21:32:32,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (85 of 132 remaining) [2023-08-31 21:32:32,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (84 of 132 remaining) [2023-08-31 21:32:32,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (83 of 132 remaining) [2023-08-31 21:32:32,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (82 of 132 remaining) [2023-08-31 21:32:32,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (81 of 132 remaining) [2023-08-31 21:32:32,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (80 of 132 remaining) [2023-08-31 21:32:32,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (79 of 132 remaining) [2023-08-31 21:32:32,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (78 of 132 remaining) [2023-08-31 21:32:32,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (77 of 132 remaining) [2023-08-31 21:32:32,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (76 of 132 remaining) [2023-08-31 21:32:32,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (75 of 132 remaining) [2023-08-31 21:32:32,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (74 of 132 remaining) [2023-08-31 21:32:32,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (73 of 132 remaining) [2023-08-31 21:32:32,809 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (72 of 132 remaining) [2023-08-31 21:32:32,809 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (71 of 132 remaining) [2023-08-31 21:32:32,809 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (70 of 132 remaining) [2023-08-31 21:32:32,809 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (69 of 132 remaining) [2023-08-31 21:32:32,809 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (68 of 132 remaining) [2023-08-31 21:32:32,809 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (67 of 132 remaining) [2023-08-31 21:32:32,810 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (66 of 132 remaining) [2023-08-31 21:32:32,810 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (65 of 132 remaining) [2023-08-31 21:32:32,810 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (64 of 132 remaining) [2023-08-31 21:32:32,810 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (63 of 132 remaining) [2023-08-31 21:32:32,810 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (62 of 132 remaining) [2023-08-31 21:32:32,810 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (61 of 132 remaining) [2023-08-31 21:32:32,810 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (60 of 132 remaining) [2023-08-31 21:32:32,811 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (59 of 132 remaining) [2023-08-31 21:32:32,811 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (58 of 132 remaining) [2023-08-31 21:32:32,811 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (57 of 132 remaining) [2023-08-31 21:32:32,811 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (56 of 132 remaining) [2023-08-31 21:32:32,811 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (55 of 132 remaining) [2023-08-31 21:32:32,811 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE (54 of 132 remaining) [2023-08-31 21:32:32,811 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE (53 of 132 remaining) [2023-08-31 21:32:32,812 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONDATA_RACE (52 of 132 remaining) [2023-08-31 21:32:32,812 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (51 of 132 remaining) [2023-08-31 21:32:32,812 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (50 of 132 remaining) [2023-08-31 21:32:32,812 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (49 of 132 remaining) [2023-08-31 21:32:32,812 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (48 of 132 remaining) [2023-08-31 21:32:32,812 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (47 of 132 remaining) [2023-08-31 21:32:32,813 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (46 of 132 remaining) [2023-08-31 21:32:32,813 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (45 of 132 remaining) [2023-08-31 21:32:32,813 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (44 of 132 remaining) [2023-08-31 21:32:32,813 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (43 of 132 remaining) [2023-08-31 21:32:32,813 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (42 of 132 remaining) [2023-08-31 21:32:32,813 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (41 of 132 remaining) [2023-08-31 21:32:32,813 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (40 of 132 remaining) [2023-08-31 21:32:32,814 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (39 of 132 remaining) [2023-08-31 21:32:32,814 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (38 of 132 remaining) [2023-08-31 21:32:32,814 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (37 of 132 remaining) [2023-08-31 21:32:32,814 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (36 of 132 remaining) [2023-08-31 21:32:32,814 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (35 of 132 remaining) [2023-08-31 21:32:32,814 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (34 of 132 remaining) [2023-08-31 21:32:32,814 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (33 of 132 remaining) [2023-08-31 21:32:32,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (32 of 132 remaining) [2023-08-31 21:32:32,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (31 of 132 remaining) [2023-08-31 21:32:32,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (30 of 132 remaining) [2023-08-31 21:32:32,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (29 of 132 remaining) [2023-08-31 21:32:32,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err24ASSERT_VIOLATIONDATA_RACE (28 of 132 remaining) [2023-08-31 21:32:32,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (27 of 132 remaining) [2023-08-31 21:32:32,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (26 of 132 remaining) [2023-08-31 21:32:32,816 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (25 of 132 remaining) [2023-08-31 21:32:32,816 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (24 of 132 remaining) [2023-08-31 21:32:32,816 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (23 of 132 remaining) [2023-08-31 21:32:32,816 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (22 of 132 remaining) [2023-08-31 21:32:32,816 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (21 of 132 remaining) [2023-08-31 21:32:32,816 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (20 of 132 remaining) [2023-08-31 21:32:32,816 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (19 of 132 remaining) [2023-08-31 21:32:32,817 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (18 of 132 remaining) [2023-08-31 21:32:32,817 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (17 of 132 remaining) [2023-08-31 21:32:32,817 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (16 of 132 remaining) [2023-08-31 21:32:32,817 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (15 of 132 remaining) [2023-08-31 21:32:32,817 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (14 of 132 remaining) [2023-08-31 21:32:32,817 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (13 of 132 remaining) [2023-08-31 21:32:32,817 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (12 of 132 remaining) [2023-08-31 21:32:32,818 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (11 of 132 remaining) [2023-08-31 21:32:32,818 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (10 of 132 remaining) [2023-08-31 21:32:32,818 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (9 of 132 remaining) [2023-08-31 21:32:32,818 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (8 of 132 remaining) [2023-08-31 21:32:32,818 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (7 of 132 remaining) [2023-08-31 21:32:32,818 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (6 of 132 remaining) [2023-08-31 21:32:32,819 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (5 of 132 remaining) [2023-08-31 21:32:32,819 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (4 of 132 remaining) [2023-08-31 21:32:32,819 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (3 of 132 remaining) [2023-08-31 21:32:32,819 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (2 of 132 remaining) [2023-08-31 21:32:32,819 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (1 of 132 remaining) [2023-08-31 21:32:32,819 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (0 of 132 remaining) [2023-08-31 21:32:32,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-08-31 21:32:32,820 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:32:32,825 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-31 21:32:32,825 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-31 21:32:32,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.08 09:32:32 BasicIcfg [2023-08-31 21:32:32,828 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-31 21:32:32,829 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-31 21:32:32,829 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-31 21:32:32,829 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-31 21:32:32,830 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:31:58" (3/4) ... [2023-08-31 21:32:32,831 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-31 21:32:32,836 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-31 21:32:32,836 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-31 21:32:32,853 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2023-08-31 21:32:32,853 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-31 21:32:32,854 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-31 21:32:32,854 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-31 21:32:32,921 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-31 21:32:32,922 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-31 21:32:32,922 INFO L158 Benchmark]: Toolchain (without parser) took 35900.07ms. Allocated memory was 71.3MB in the beginning and 1.3GB in the end (delta: 1.3GB). Free memory was 37.5MB in the beginning and 518.2MB in the end (delta: -480.7MB). Peak memory consumption was 791.4MB. Max. memory is 16.1GB. [2023-08-31 21:32:32,922 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 71.3MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-31 21:32:32,923 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.94ms. Allocated memory is still 71.3MB. Free memory was 37.2MB in the beginning and 45.6MB in the end (delta: -8.3MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2023-08-31 21:32:32,923 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.67ms. Allocated memory is still 71.3MB. Free memory was 45.6MB in the beginning and 41.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-31 21:32:32,923 INFO L158 Benchmark]: Boogie Preprocessor took 74.51ms. Allocated memory is still 71.3MB. Free memory was 41.4MB in the beginning and 37.7MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 21:32:32,923 INFO L158 Benchmark]: RCFGBuilder took 1118.13ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 37.5MB in the beginning and 54.2MB in the end (delta: -16.8MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2023-08-31 21:32:32,924 INFO L158 Benchmark]: TraceAbstraction took 34182.32ms. Allocated memory was 86.0MB in the beginning and 1.3GB in the end (delta: 1.3GB). Free memory was 53.8MB in the beginning and 525.5MB in the end (delta: -471.7MB). Peak memory consumption was 786.5MB. Max. memory is 16.1GB. [2023-08-31 21:32:32,924 INFO L158 Benchmark]: Witness Printer took 92.77ms. Allocated memory is still 1.3GB. Free memory was 525.5MB in the beginning and 518.2MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-31 21:32:32,926 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 71.3MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 341.94ms. Allocated memory is still 71.3MB. Free memory was 37.2MB in the beginning and 45.6MB in the end (delta: -8.3MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.67ms. Allocated memory is still 71.3MB. Free memory was 45.6MB in the beginning and 41.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.51ms. Allocated memory is still 71.3MB. Free memory was 41.4MB in the beginning and 37.7MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1118.13ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 37.5MB in the beginning and 54.2MB in the end (delta: -16.8MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. * TraceAbstraction took 34182.32ms. Allocated memory was 86.0MB in the beginning and 1.3GB in the end (delta: 1.3GB). Free memory was 53.8MB in the beginning and 525.5MB in the end (delta: -471.7MB). Peak memory consumption was 786.5MB. Max. memory is 16.1GB. * Witness Printer took 92.77ms. Allocated memory is still 1.3GB. Free memory was 525.5MB in the beginning and 518.2MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14.8s, 640 PlacesBefore, 211 PlacesAfterwards, 664 TransitionsBefore, 213 TransitionsAfterwards, 52268 CoEnabledTransitionPairs, 10 FixpointIterations, 386 TrivialSequentialCompositions, 178 ConcurrentSequentialCompositions, 51 TrivialYvCompositions, 27 ConcurrentYvCompositions, 22 ChoiceCompositions, 664 TotalNumberOfCompositions, 369664 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 80233, independent: 76994, independent conditional: 0, independent unconditional: 76994, dependent: 3239, dependent conditional: 0, dependent unconditional: 3239, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 24170, independent: 23888, independent conditional: 0, independent unconditional: 23888, dependent: 282, dependent conditional: 0, dependent unconditional: 282, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 80233, independent: 53106, independent conditional: 0, independent unconditional: 53106, dependent: 2957, dependent conditional: 0, dependent unconditional: 2957, unknown: 24170, unknown conditional: 0, unknown unconditional: 24170] , Statistics on independence cache: Total cache size (in pairs): 2891, Positive cache size: 2729, Positive conditional cache size: 0, Positive unconditional cache size: 2729, Negative cache size: 162, Negative conditional cache size: 0, Negative unconditional cache size: 162, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 940 locations, 132 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: 34.0s, OverallIterations: 21, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 14.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 15.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3640 SdHoareTripleChecker+Valid, 4.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2013 mSDsluCounter, 132 SdHoareTripleChecker+Invalid, 4.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 57 mSDsCounter, 994 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5606 IncrementalHoareTripleChecker+Invalid, 6600 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 994 mSolverCounterUnsat, 75 mSDtfsCounter, 5606 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 80 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=552occurred in iteration=18, InterpolantAutomatonStates: 77, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 544 NumberOfCodeBlocks, 544 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 522 ConstructedInterpolants, 0 QuantifiedInterpolants, 1029 SizeOfPredicates, 2 NumberOfNonLiveVariables, 287 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 22 InterpolantComputations, 21 PerfectInterpolantSequences, 52/53 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 80 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-31 21:32:32,968 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