./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/unroll-cond-2.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/unroll-cond-2.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 99c42ba3d1f6c70520bbcf0a3136609166f98fb21063bda215f7779ff0bb27ca --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 21:56:39,305 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-31 21:56:39,307 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-31 21:56:39,323 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-31 21:56:39,323 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-31 21:56:39,324 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-31 21:56:39,325 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-31 21:56:39,326 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-31 21:56:39,327 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-31 21:56:39,328 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-31 21:56:39,329 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-31 21:56:39,329 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-31 21:56:39,330 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-31 21:56:39,330 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-31 21:56:39,331 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-31 21:56:39,332 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-31 21:56:39,333 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-31 21:56:39,333 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-31 21:56:39,335 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-31 21:56:39,336 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-31 21:56:39,337 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-31 21:56:39,338 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-31 21:56:39,343 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-31 21:56:39,344 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-31 21:56:39,346 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-31 21:56:39,347 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-31 21:56:39,347 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-31 21:56:39,347 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-31 21:56:39,348 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-31 21:56:39,348 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-31 21:56:39,349 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-31 21:56:39,349 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-31 21:56:39,350 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-31 21:56:39,350 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-31 21:56:39,351 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-31 21:56:39,351 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-31 21:56:39,351 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-31 21:56:39,351 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-31 21:56:39,352 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-31 21:56:39,352 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-31 21:56:39,353 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-31 21:56:39,358 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-31 21:56:39,379 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-31 21:56:39,379 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-31 21:56:39,380 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-31 21:56:39,380 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-31 21:56:39,381 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-31 21:56:39,381 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-31 21:56:39,382 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-31 21:56:39,382 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-31 21:56:39,382 INFO L138 SettingsManager]: * Use SBE=true [2023-08-31 21:56:39,382 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-31 21:56:39,383 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-31 21:56:39,383 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-31 21:56:39,383 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-31 21:56:39,383 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-31 21:56:39,383 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-31 21:56:39,383 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-31 21:56:39,383 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-31 21:56:39,384 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-31 21:56:39,384 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-31 21:56:39,384 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-31 21:56:39,384 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-31 21:56:39,384 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-31 21:56:39,384 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-31 21:56:39,384 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-31 21:56:39,384 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-31 21:56:39,385 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-31 21:56:39,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 21:56:39,385 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-31 21:56:39,385 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-31 21:56:39,385 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-31 21:56:39,385 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-31 21:56:39,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-31 21:56:39,386 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-31 21:56:39,386 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-31 21:56:39,386 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-31 21:56:39,386 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-31 21:56:39,386 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-31 21:56:39,386 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99c42ba3d1f6c70520bbcf0a3136609166f98fb21063bda215f7779ff0bb27ca Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-08-31 21:56:39,615 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-31 21:56:39,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-31 21:56:39,631 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-31 21:56:39,632 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-31 21:56:39,632 INFO L275 PluginConnector]: CDTParser initialized [2023-08-31 21:56:39,633 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/unroll-cond-2.wvr.c [2023-08-31 21:56:40,591 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-31 21:56:40,751 INFO L351 CDTParser]: Found 1 translation units. [2023-08-31 21:56:40,754 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-cond-2.wvr.c [2023-08-31 21:56:40,761 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8fa80d50/a9e2bd30aeb54a64b8ed24b5715f6847/FLAGa1b016b35 [2023-08-31 21:56:40,770 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8fa80d50/a9e2bd30aeb54a64b8ed24b5715f6847 [2023-08-31 21:56:40,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-31 21:56:40,772 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-31 21:56:40,773 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-31 21:56:40,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-31 21:56:40,776 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-31 21:56:40,777 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:56:40" (1/1) ... [2023-08-31 21:56:40,777 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58fa6cb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:56:40, skipping insertion in model container [2023-08-31 21:56:40,777 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:56:40" (1/1) ... [2023-08-31 21:56:40,781 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-31 21:56:40,795 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-31 21:56:40,944 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/unroll-cond-2.wvr.c[2474,2487] [2023-08-31 21:56:40,954 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 21:56:40,959 INFO L203 MainTranslator]: Completed pre-run [2023-08-31 21:56:40,994 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/unroll-cond-2.wvr.c[2474,2487] [2023-08-31 21:56:41,000 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 21:56:41,010 INFO L208 MainTranslator]: Completed translation [2023-08-31 21:56:41,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:56:41 WrapperNode [2023-08-31 21:56:41,011 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-31 21:56:41,012 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-31 21:56:41,012 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-31 21:56:41,012 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-31 21:56:41,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:56:41" (1/1) ... [2023-08-31 21:56:41,035 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:56:41" (1/1) ... [2023-08-31 21:56:41,069 INFO L138 Inliner]: procedures = 24, calls = 33, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 279 [2023-08-31 21:56:41,070 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-31 21:56:41,070 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-31 21:56:41,071 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-31 21:56:41,071 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-31 21:56:41,076 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:56:41" (1/1) ... [2023-08-31 21:56:41,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:56:41" (1/1) ... [2023-08-31 21:56:41,083 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:56:41" (1/1) ... [2023-08-31 21:56:41,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:56:41" (1/1) ... [2023-08-31 21:56:41,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:56:41" (1/1) ... [2023-08-31 21:56:41,107 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:56:41" (1/1) ... [2023-08-31 21:56:41,109 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:56:41" (1/1) ... [2023-08-31 21:56:41,113 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:56:41" (1/1) ... [2023-08-31 21:56:41,115 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-31 21:56:41,116 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-31 21:56:41,117 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-31 21:56:41,117 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-31 21:56:41,118 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:56:41" (1/1) ... [2023-08-31 21:56:41,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 21:56:41,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 21:56:41,149 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 21:56:41,157 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 21:56:41,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-31 21:56:41,177 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-31 21:56:41,177 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-31 21:56:41,177 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-31 21:56:41,177 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-31 21:56:41,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-31 21:56:41,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-31 21:56:41,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-31 21:56:41,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-31 21:56:41,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-31 21:56:41,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-31 21:56:41,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-31 21:56:41,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-31 21:56:41,179 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 21:56:41,294 INFO L236 CfgBuilder]: Building ICFG [2023-08-31 21:56:41,295 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-31 21:56:41,685 INFO L277 CfgBuilder]: Performing block encoding [2023-08-31 21:56:41,692 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-31 21:56:41,692 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-08-31 21:56:41,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:56:41 BoogieIcfgContainer [2023-08-31 21:56:41,694 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-31 21:56:41,695 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-31 21:56:41,695 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-31 21:56:41,697 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-31 21:56:41,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.08 09:56:40" (1/3) ... [2023-08-31 21:56:41,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30d97be8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 09:56:41, skipping insertion in model container [2023-08-31 21:56:41,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:56:41" (2/3) ... [2023-08-31 21:56:41,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30d97be8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 09:56:41, skipping insertion in model container [2023-08-31 21:56:41,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:56:41" (3/3) ... [2023-08-31 21:56:41,698 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-cond-2.wvr.c [2023-08-31 21:56:41,703 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-31 21:56:41,709 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-31 21:56:41,709 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 41 error locations. [2023-08-31 21:56:41,709 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-31 21:56:41,838 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-31 21:56:41,878 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 328 places, 340 transitions, 696 flow [2023-08-31 21:56:41,987 INFO L130 PetriNetUnfolder]: 19/338 cut-off events. [2023-08-31 21:56:41,987 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-31 21:56:42,001 INFO L83 FinitePrefix]: Finished finitePrefix Result has 347 conditions, 338 events. 19/338 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 770 event pairs, 0 based on Foata normal form. 0/278 useless extension candidates. Maximal degree in co-relation 214. Up to 2 conditions per place. [2023-08-31 21:56:42,001 INFO L82 GeneralOperation]: Start removeDead. Operand has 328 places, 340 transitions, 696 flow [2023-08-31 21:56:42,011 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 312 places, 323 transitions, 658 flow [2023-08-31 21:56:42,013 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-31 21:56:42,024 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 312 places, 323 transitions, 658 flow [2023-08-31 21:56:42,025 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 312 places, 323 transitions, 658 flow [2023-08-31 21:56:42,026 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 312 places, 323 transitions, 658 flow [2023-08-31 21:56:42,077 INFO L130 PetriNetUnfolder]: 18/323 cut-off events. [2023-08-31 21:56:42,078 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-31 21:56:42,079 INFO L83 FinitePrefix]: Finished finitePrefix Result has 332 conditions, 323 events. 18/323 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 717 event pairs, 0 based on Foata normal form. 0/265 useless extension candidates. Maximal degree in co-relation 214. Up to 2 conditions per place. [2023-08-31 21:56:42,086 INFO L119 LiptonReduction]: Number of co-enabled transitions 21580 [2023-08-31 21:56:47,267 INFO L134 LiptonReduction]: Checked pairs total: 84485 [2023-08-31 21:56:47,267 INFO L136 LiptonReduction]: Total number of compositions: 321 [2023-08-31 21:56:47,277 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-31 21:56:47,281 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;@620fafe7, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-31 21:56:47,281 INFO L358 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2023-08-31 21:56:47,282 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-31 21:56:47,282 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 21:56:47,282 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:56:47,282 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-31 21:56:47,283 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-08-31 21:56:47,285 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:56:47,285 INFO L85 PathProgramCache]: Analyzing trace with hash 1303, now seen corresponding path program 1 times [2023-08-31 21:56:47,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:56:47,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52918951] [2023-08-31 21:56:47,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:56:47,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:56:47,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:56:47,347 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 21:56:47,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:56:47,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52918951] [2023-08-31 21:56:47,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52918951] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:56:47,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:56:47,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-31 21:56:47,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191282629] [2023-08-31 21:56:47,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:56:47,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-31 21:56:47,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:56:47,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-31 21:56:47,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-31 21:56:47,379 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 661 [2023-08-31 21:56:47,383 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 113 transitions, 238 flow. Second operand has 2 states, 2 states have (on average 324.5) internal successors, (649), 2 states have internal predecessors, (649), 0 states have call successors, (0), 0 states 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 21:56:47,383 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:56:47,383 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 661 [2023-08-31 21:56:47,384 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:56:47,582 INFO L130 PetriNetUnfolder]: 841/2056 cut-off events. [2023-08-31 21:56:47,582 INFO L131 PetriNetUnfolder]: For 71/71 co-relation queries the response was YES. [2023-08-31 21:56:47,585 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3379 conditions, 2056 events. 841/2056 cut-off events. For 71/71 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 15179 event pairs, 554 based on Foata normal form. 211/1903 useless extension candidates. Maximal degree in co-relation 3049. Up to 1278 conditions per place. [2023-08-31 21:56:47,592 INFO L137 encePairwiseOnDemand]: 634/661 looper letters, 41 selfloop transitions, 0 changer transitions 1/86 dead transitions. [2023-08-31 21:56:47,592 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 86 transitions, 268 flow [2023-08-31 21:56:47,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-31 21:56:47,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-31 21:56:47,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 717 transitions. [2023-08-31 21:56:47,602 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5423600605143721 [2023-08-31 21:56:47,603 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 717 transitions. [2023-08-31 21:56:47,603 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 717 transitions. [2023-08-31 21:56:47,604 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:56:47,606 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 717 transitions. [2023-08-31 21:56:47,609 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 358.5) internal successors, (717), 2 states have internal predecessors, (717), 0 states have call successors, (0), 0 states 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 21:56:47,612 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 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 21:56:47,613 INFO L81 ComplementDD]: Finished complementDD. Result 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 21:56:47,614 INFO L175 Difference]: Start difference. First operand has 110 places, 113 transitions, 238 flow. Second operand 2 states and 717 transitions. [2023-08-31 21:56:47,615 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 86 transitions, 268 flow [2023-08-31 21:56:47,617 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 86 transitions, 260 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-31 21:56:47,619 INFO L231 Difference]: Finished difference. Result has 83 places, 85 transitions, 173 flow [2023-08-31 21:56:47,620 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=661, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=173, PETRI_PLACES=83, PETRI_TRANSITIONS=85} [2023-08-31 21:56:47,622 INFO L281 CegarLoopForPetriNet]: 110 programPoint places, -27 predicate places. [2023-08-31 21:56:47,622 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 85 transitions, 173 flow [2023-08-31 21:56:47,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 324.5) internal successors, (649), 2 states have internal predecessors, (649), 0 states have call successors, (0), 0 states 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 21:56:47,623 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:56:47,623 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-31 21:56:47,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-31 21:56:47,623 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-08-31 21:56:47,624 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:56:47,624 INFO L85 PathProgramCache]: Analyzing trace with hash 32133217, now seen corresponding path program 1 times [2023-08-31 21:56:47,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:56:47,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930331908] [2023-08-31 21:56:47,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:56:47,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:56:47,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:56:47,697 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 21:56:47,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:56:47,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930331908] [2023-08-31 21:56:47,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930331908] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:56:47,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:56:47,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:56:47,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124900931] [2023-08-31 21:56:47,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:56:47,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:56:47,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:56:47,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:56:47,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:56:47,709 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 661 [2023-08-31 21:56:47,710 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 85 transitions, 173 flow. Second operand has 3 states, 3 states have (on average 315.6666666666667) internal successors, (947), 3 states have internal predecessors, (947), 0 states have call successors, (0), 0 states 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 21:56:47,710 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:56:47,710 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 661 [2023-08-31 21:56:47,710 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:56:47,856 INFO L130 PetriNetUnfolder]: 872/1965 cut-off events. [2023-08-31 21:56:47,857 INFO L131 PetriNetUnfolder]: For 23/37 co-relation queries the response was YES. [2023-08-31 21:56:47,858 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3379 conditions, 1965 events. 872/1965 cut-off events. For 23/37 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 12949 event pairs, 396 based on Foata normal form. 1/1739 useless extension candidates. Maximal degree in co-relation 3376. Up to 1393 conditions per place. [2023-08-31 21:56:47,863 INFO L137 encePairwiseOnDemand]: 656/661 looper letters, 47 selfloop transitions, 2 changer transitions 0/87 dead transitions. [2023-08-31 21:56:47,863 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 87 transitions, 276 flow [2023-08-31 21:56:47,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:56:47,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:56:47,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 994 transitions. [2023-08-31 21:56:47,866 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5012607160867373 [2023-08-31 21:56:47,866 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 994 transitions. [2023-08-31 21:56:47,866 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 994 transitions. [2023-08-31 21:56:47,867 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:56:47,867 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 994 transitions. [2023-08-31 21:56:47,868 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 331.3333333333333) internal successors, (994), 3 states have internal predecessors, (994), 0 states have call successors, (0), 0 states 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 21:56:47,872 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 661.0) internal successors, (2644), 4 states have internal predecessors, (2644), 0 states have call successors, (0), 0 states 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 21:56:47,872 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 661.0) internal successors, (2644), 4 states have internal predecessors, (2644), 0 states have call successors, (0), 0 states 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 21:56:47,873 INFO L175 Difference]: Start difference. First operand has 83 places, 85 transitions, 173 flow. Second operand 3 states and 994 transitions. [2023-08-31 21:56:47,873 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 87 transitions, 276 flow [2023-08-31 21:56:47,874 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 87 transitions, 276 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:56:47,875 INFO L231 Difference]: Finished difference. Result has 82 places, 84 transitions, 181 flow [2023-08-31 21:56:47,875 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=661, PETRI_DIFFERENCE_MINUEND_FLOW=167, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=181, PETRI_PLACES=82, PETRI_TRANSITIONS=84} [2023-08-31 21:56:47,876 INFO L281 CegarLoopForPetriNet]: 110 programPoint places, -28 predicate places. [2023-08-31 21:56:47,876 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 84 transitions, 181 flow [2023-08-31 21:56:47,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 315.6666666666667) internal successors, (947), 3 states have internal predecessors, (947), 0 states have call successors, (0), 0 states 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 21:56:47,877 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:56:47,877 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:56:47,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-31 21:56:47,877 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-08-31 21:56:47,879 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:56:47,879 INFO L85 PathProgramCache]: Analyzing trace with hash 815753143, now seen corresponding path program 1 times [2023-08-31 21:56:47,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:56:47,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957671137] [2023-08-31 21:56:47,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:56:47,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:56:47,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:56:47,951 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 21:56:47,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:56:47,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957671137] [2023-08-31 21:56:47,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957671137] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:56:47,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:56:47,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:56:47,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693418768] [2023-08-31 21:56:47,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:56:47,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:56:47,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:56:47,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:56:47,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:56:47,965 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 322 out of 661 [2023-08-31 21:56:47,966 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 84 transitions, 181 flow. Second operand has 3 states, 3 states have (on average 323.6666666666667) internal successors, (971), 3 states have internal predecessors, (971), 0 states have call successors, (0), 0 states 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 21:56:47,966 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:56:47,966 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 322 of 661 [2023-08-31 21:56:47,967 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:56:48,224 INFO L130 PetriNetUnfolder]: 1337/3364 cut-off events. [2023-08-31 21:56:48,225 INFO L131 PetriNetUnfolder]: For 21/21 co-relation queries the response was YES. [2023-08-31 21:56:48,228 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5619 conditions, 3364 events. 1337/3364 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 25408 event pairs, 518 based on Foata normal form. 0/2938 useless extension candidates. Maximal degree in co-relation 5615. Up to 1093 conditions per place. [2023-08-31 21:56:48,237 INFO L137 encePairwiseOnDemand]: 658/661 looper letters, 75 selfloop transitions, 2 changer transitions 0/120 dead transitions. [2023-08-31 21:56:48,237 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 120 transitions, 409 flow [2023-08-31 21:56:48,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:56:48,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:56:48,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1044 transitions. [2023-08-31 21:56:48,239 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5264750378214826 [2023-08-31 21:56:48,240 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1044 transitions. [2023-08-31 21:56:48,240 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1044 transitions. [2023-08-31 21:56:48,240 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:56:48,240 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1044 transitions. [2023-08-31 21:56:48,242 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 348.0) internal successors, (1044), 3 states have internal predecessors, (1044), 0 states have call successors, (0), 0 states 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 21:56:48,244 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 661.0) internal successors, (2644), 4 states have internal predecessors, (2644), 0 states have call successors, (0), 0 states 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 21:56:48,245 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 661.0) internal successors, (2644), 4 states have internal predecessors, (2644), 0 states have call successors, (0), 0 states 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 21:56:48,245 INFO L175 Difference]: Start difference. First operand has 82 places, 84 transitions, 181 flow. Second operand 3 states and 1044 transitions. [2023-08-31 21:56:48,245 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 120 transitions, 409 flow [2023-08-31 21:56:48,246 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 120 transitions, 409 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:56:48,247 INFO L231 Difference]: Finished difference. Result has 85 places, 85 transitions, 193 flow [2023-08-31 21:56:48,248 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=661, PETRI_DIFFERENCE_MINUEND_FLOW=181, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=193, PETRI_PLACES=85, PETRI_TRANSITIONS=85} [2023-08-31 21:56:48,248 INFO L281 CegarLoopForPetriNet]: 110 programPoint places, -25 predicate places. [2023-08-31 21:56:48,248 INFO L495 AbstractCegarLoop]: Abstraction has has 85 places, 85 transitions, 193 flow [2023-08-31 21:56:48,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 323.6666666666667) internal successors, (971), 3 states have internal predecessors, (971), 0 states have call successors, (0), 0 states 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 21:56:48,249 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:56:48,249 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:56:48,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-31 21:56:48,249 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-08-31 21:56:48,250 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:56:48,250 INFO L85 PathProgramCache]: Analyzing trace with hash 815605637, now seen corresponding path program 1 times [2023-08-31 21:56:48,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:56:48,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612599558] [2023-08-31 21:56:48,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:56:48,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:56:48,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:56:48,275 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 21:56:48,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:56:48,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612599558] [2023-08-31 21:56:48,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612599558] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:56:48,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:56:48,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:56:48,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984081670] [2023-08-31 21:56:48,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:56:48,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:56:48,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:56:48,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:56:48,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:56:48,298 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 661 [2023-08-31 21:56:48,299 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 85 transitions, 193 flow. Second operand has 3 states, 3 states have (on average 307.0) internal successors, (921), 3 states have internal predecessors, (921), 0 states have call successors, (0), 0 states 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 21:56:48,299 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:56:48,299 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 661 [2023-08-31 21:56:48,300 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:56:48,524 INFO L130 PetriNetUnfolder]: 1385/3382 cut-off events. [2023-08-31 21:56:48,525 INFO L131 PetriNetUnfolder]: For 164/164 co-relation queries the response was YES. [2023-08-31 21:56:48,528 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5860 conditions, 3382 events. 1385/3382 cut-off events. For 164/164 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 25442 event pairs, 1068 based on Foata normal form. 0/2964 useless extension candidates. Maximal degree in co-relation 5854. Up to 2203 conditions per place. [2023-08-31 21:56:48,536 INFO L137 encePairwiseOnDemand]: 656/661 looper letters, 41 selfloop transitions, 1 changer transitions 0/81 dead transitions. [2023-08-31 21:56:48,536 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 81 transitions, 269 flow [2023-08-31 21:56:48,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:56:48,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:56:48,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 960 transitions. [2023-08-31 21:56:48,539 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48411497730711045 [2023-08-31 21:56:48,539 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 960 transitions. [2023-08-31 21:56:48,542 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 960 transitions. [2023-08-31 21:56:48,543 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:56:48,543 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 960 transitions. [2023-08-31 21:56:48,544 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 320.0) internal successors, (960), 3 states have internal predecessors, (960), 0 states have call successors, (0), 0 states 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 21:56:48,546 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 661.0) internal successors, (2644), 4 states have internal predecessors, (2644), 0 states have call successors, (0), 0 states 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 21:56:48,548 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 661.0) internal successors, (2644), 4 states have internal predecessors, (2644), 0 states have call successors, (0), 0 states 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 21:56:48,548 INFO L175 Difference]: Start difference. First operand has 85 places, 85 transitions, 193 flow. Second operand 3 states and 960 transitions. [2023-08-31 21:56:48,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 81 transitions, 269 flow [2023-08-31 21:56:48,550 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 81 transitions, 267 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 21:56:48,550 INFO L231 Difference]: Finished difference. Result has 82 places, 81 transitions, 185 flow [2023-08-31 21:56:48,551 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=661, PETRI_DIFFERENCE_MINUEND_FLOW=183, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=185, PETRI_PLACES=82, PETRI_TRANSITIONS=81} [2023-08-31 21:56:48,551 INFO L281 CegarLoopForPetriNet]: 110 programPoint places, -28 predicate places. [2023-08-31 21:56:48,551 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 81 transitions, 185 flow [2023-08-31 21:56:48,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 307.0) internal successors, (921), 3 states have internal predecessors, (921), 0 states have call successors, (0), 0 states 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 21:56:48,552 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:56:48,552 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:56:48,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-31 21:56:48,552 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-08-31 21:56:48,553 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:56:48,553 INFO L85 PathProgramCache]: Analyzing trace with hash 2113344150, now seen corresponding path program 1 times [2023-08-31 21:56:48,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:56:48,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985398371] [2023-08-31 21:56:48,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:56:48,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:56:48,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:56:48,648 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 21:56:48,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:56:48,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985398371] [2023-08-31 21:56:48,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985398371] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:56:48,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:56:48,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:56:48,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268030369] [2023-08-31 21:56:48,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:56:48,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:56:48,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:56:48,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:56:48,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:56:48,681 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 311 out of 661 [2023-08-31 21:56:48,682 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 81 transitions, 185 flow. Second operand has 3 states, 3 states have (on average 313.6666666666667) internal successors, (941), 3 states have internal predecessors, (941), 0 states have call successors, (0), 0 states 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 21:56:48,682 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:56:48,682 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 661 [2023-08-31 21:56:48,682 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:56:48,922 INFO L130 PetriNetUnfolder]: 1555/3551 cut-off events. [2023-08-31 21:56:48,922 INFO L131 PetriNetUnfolder]: For 173/173 co-relation queries the response was YES. [2023-08-31 21:56:48,927 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6272 conditions, 3551 events. 1555/3551 cut-off events. For 173/173 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 25639 event pairs, 406 based on Foata normal form. 0/3079 useless extension candidates. Maximal degree in co-relation 6266. Up to 2183 conditions per place. [2023-08-31 21:56:48,935 INFO L137 encePairwiseOnDemand]: 654/661 looper letters, 61 selfloop transitions, 3 changer transitions 0/99 dead transitions. [2023-08-31 21:56:48,936 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 99 transitions, 351 flow [2023-08-31 21:56:48,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:56:48,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:56:48,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1000 transitions. [2023-08-31 21:56:48,938 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5042864346949067 [2023-08-31 21:56:48,938 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1000 transitions. [2023-08-31 21:56:48,938 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1000 transitions. [2023-08-31 21:56:48,938 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:56:48,939 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1000 transitions. [2023-08-31 21:56:48,940 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 333.3333333333333) internal successors, (1000), 3 states have internal predecessors, (1000), 0 states have call successors, (0), 0 states 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 21:56:48,942 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 661.0) internal successors, (2644), 4 states have internal predecessors, (2644), 0 states have call successors, (0), 0 states 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 21:56:48,943 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 661.0) internal successors, (2644), 4 states have internal predecessors, (2644), 0 states have call successors, (0), 0 states 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 21:56:48,943 INFO L175 Difference]: Start difference. First operand has 82 places, 81 transitions, 185 flow. Second operand 3 states and 1000 transitions. [2023-08-31 21:56:48,944 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 99 transitions, 351 flow [2023-08-31 21:56:48,944 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 99 transitions, 350 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 21:56:48,945 INFO L231 Difference]: Finished difference. Result has 80 places, 80 transitions, 197 flow [2023-08-31 21:56:48,945 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=661, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=197, PETRI_PLACES=80, PETRI_TRANSITIONS=80} [2023-08-31 21:56:48,946 INFO L281 CegarLoopForPetriNet]: 110 programPoint places, -30 predicate places. [2023-08-31 21:56:48,946 INFO L495 AbstractCegarLoop]: Abstraction has has 80 places, 80 transitions, 197 flow [2023-08-31 21:56:48,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 313.6666666666667) internal successors, (941), 3 states have internal predecessors, (941), 0 states have call successors, (0), 0 states 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 21:56:48,947 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:56:48,947 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:56:48,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-31 21:56:48,947 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-08-31 21:56:48,947 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:56:48,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1796685171, now seen corresponding path program 1 times [2023-08-31 21:56:48,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:56:48,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86154172] [2023-08-31 21:56:48,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:56:48,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:56:48,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:56:49,017 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 21:56:49,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:56:49,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86154172] [2023-08-31 21:56:49,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86154172] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:56:49,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:56:49,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:56:49,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408884015] [2023-08-31 21:56:49,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:56:49,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:56:49,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:56:49,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:56:49,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:56:49,041 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 320 out of 661 [2023-08-31 21:56:49,042 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 80 transitions, 197 flow. Second operand has 3 states, 3 states have (on average 322.0) internal successors, (966), 3 states have internal predecessors, (966), 0 states have call successors, (0), 0 states 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 21:56:49,042 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:56:49,042 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 320 of 661 [2023-08-31 21:56:49,042 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:56:49,260 INFO L130 PetriNetUnfolder]: 1555/3534 cut-off events. [2023-08-31 21:56:49,260 INFO L131 PetriNetUnfolder]: For 296/296 co-relation queries the response was YES. [2023-08-31 21:56:49,264 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6510 conditions, 3534 events. 1555/3534 cut-off events. For 296/296 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 25594 event pairs, 1177 based on Foata normal form. 0/3057 useless extension candidates. Maximal degree in co-relation 6504. Up to 2489 conditions per place. [2023-08-31 21:56:49,279 INFO L137 encePairwiseOnDemand]: 658/661 looper letters, 44 selfloop transitions, 2 changer transitions 0/81 dead transitions. [2023-08-31 21:56:49,280 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 81 transitions, 291 flow [2023-08-31 21:56:49,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:56:49,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:56:49,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1003 transitions. [2023-08-31 21:56:49,282 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5057992939989914 [2023-08-31 21:56:49,282 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1003 transitions. [2023-08-31 21:56:49,282 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1003 transitions. [2023-08-31 21:56:49,282 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:56:49,283 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1003 transitions. [2023-08-31 21:56:49,284 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 334.3333333333333) internal successors, (1003), 3 states have internal predecessors, (1003), 0 states have call successors, (0), 0 states 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 21:56:49,286 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 661.0) internal successors, (2644), 4 states have internal predecessors, (2644), 0 states have call successors, (0), 0 states 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 21:56:49,287 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 661.0) internal successors, (2644), 4 states have internal predecessors, (2644), 0 states have call successors, (0), 0 states 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 21:56:49,288 INFO L175 Difference]: Start difference. First operand has 80 places, 80 transitions, 197 flow. Second operand 3 states and 1003 transitions. [2023-08-31 21:56:49,288 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 81 transitions, 291 flow [2023-08-31 21:56:49,290 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 81 transitions, 291 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:56:49,292 INFO L231 Difference]: Finished difference. Result has 83 places, 81 transitions, 209 flow [2023-08-31 21:56:49,292 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=661, PETRI_DIFFERENCE_MINUEND_FLOW=197, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=209, PETRI_PLACES=83, PETRI_TRANSITIONS=81} [2023-08-31 21:56:49,294 INFO L281 CegarLoopForPetriNet]: 110 programPoint places, -27 predicate places. [2023-08-31 21:56:49,294 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 81 transitions, 209 flow [2023-08-31 21:56:49,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 322.0) internal successors, (966), 3 states have internal predecessors, (966), 0 states have call successors, (0), 0 states 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 21:56:49,295 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:56:49,295 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:56:49,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-31 21:56:49,295 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-08-31 21:56:49,296 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:56:49,296 INFO L85 PathProgramCache]: Analyzing trace with hash -812359715, now seen corresponding path program 1 times [2023-08-31 21:56:49,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:56:49,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572891256] [2023-08-31 21:56:49,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:56:49,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:56:49,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:56:49,521 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 21:56:49,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:56:49,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572891256] [2023-08-31 21:56:49,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572891256] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:56:49,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:56:49,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:56:49,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926143219] [2023-08-31 21:56:49,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:56:49,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:56:49,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:56:49,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:56:49,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:56:49,761 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 311 out of 661 [2023-08-31 21:56:49,763 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 81 transitions, 209 flow. Second operand has 6 states, 6 states have (on average 312.8333333333333) internal successors, (1877), 6 states have internal predecessors, (1877), 0 states have call successors, (0), 0 states 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 21:56:49,763 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:56:49,763 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 661 [2023-08-31 21:56:49,763 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:56:50,434 INFO L130 PetriNetUnfolder]: 5234/8980 cut-off events. [2023-08-31 21:56:50,434 INFO L131 PetriNetUnfolder]: For 861/861 co-relation queries the response was YES. [2023-08-31 21:56:50,445 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18094 conditions, 8980 events. 5234/8980 cut-off events. For 861/861 co-relation queries the response was YES. Maximal size of possible extension queue 269. Compared 61474 event pairs, 356 based on Foata normal form. 0/7807 useless extension candidates. Maximal degree in co-relation 18086. Up to 2908 conditions per place. [2023-08-31 21:56:50,463 INFO L137 encePairwiseOnDemand]: 656/661 looper letters, 190 selfloop transitions, 4 changer transitions 0/224 dead transitions. [2023-08-31 21:56:50,464 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 224 transitions, 967 flow [2023-08-31 21:56:50,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:56:50,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:56:50,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2040 transitions. [2023-08-31 21:56:50,467 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5143721633888049 [2023-08-31 21:56:50,467 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2040 transitions. [2023-08-31 21:56:50,467 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2040 transitions. [2023-08-31 21:56:50,468 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:56:50,468 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2040 transitions. [2023-08-31 21:56:50,471 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 340.0) internal successors, (2040), 6 states have internal predecessors, (2040), 0 states have call successors, (0), 0 states 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 21:56:50,475 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 661.0) internal successors, (4627), 7 states have internal predecessors, (4627), 0 states have call successors, (0), 0 states 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 21:56:50,475 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 661.0) internal successors, (4627), 7 states have internal predecessors, (4627), 0 states have call successors, (0), 0 states 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 21:56:50,475 INFO L175 Difference]: Start difference. First operand has 83 places, 81 transitions, 209 flow. Second operand 6 states and 2040 transitions. [2023-08-31 21:56:50,476 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 224 transitions, 967 flow [2023-08-31 21:56:50,477 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 224 transitions, 963 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-31 21:56:50,479 INFO L231 Difference]: Finished difference. Result has 86 places, 80 transitions, 211 flow [2023-08-31 21:56:50,479 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=661, PETRI_DIFFERENCE_MINUEND_FLOW=203, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=211, PETRI_PLACES=86, PETRI_TRANSITIONS=80} [2023-08-31 21:56:50,480 INFO L281 CegarLoopForPetriNet]: 110 programPoint places, -24 predicate places. [2023-08-31 21:56:50,480 INFO L495 AbstractCegarLoop]: Abstraction has has 86 places, 80 transitions, 211 flow [2023-08-31 21:56:50,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 312.8333333333333) internal successors, (1877), 6 states have internal predecessors, (1877), 0 states have call successors, (0), 0 states 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 21:56:50,481 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:56:50,481 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:56:50,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-31 21:56:50,481 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-08-31 21:56:50,481 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:56:50,481 INFO L85 PathProgramCache]: Analyzing trace with hash 57886442, now seen corresponding path program 1 times [2023-08-31 21:56:50,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:56:50,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513211942] [2023-08-31 21:56:50,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:56:50,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:56:50,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:56:50,510 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 21:56:50,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:56:50,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513211942] [2023-08-31 21:56:50,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513211942] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:56:50,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:56:50,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:56:50,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397598168] [2023-08-31 21:56:50,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:56:50,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:56:50,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:56:50,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:56:50,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:56:50,541 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 320 out of 661 [2023-08-31 21:56:50,542 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 80 transitions, 211 flow. Second operand has 3 states, 3 states have (on average 323.3333333333333) internal successors, (970), 3 states have internal predecessors, (970), 0 states have call successors, (0), 0 states 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 21:56:50,542 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:56:50,542 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 320 of 661 [2023-08-31 21:56:50,542 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:56:50,857 INFO L130 PetriNetUnfolder]: 2076/4714 cut-off events. [2023-08-31 21:56:50,857 INFO L131 PetriNetUnfolder]: For 969/969 co-relation queries the response was YES. [2023-08-31 21:56:50,864 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9396 conditions, 4714 events. 2076/4714 cut-off events. For 969/969 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 33739 event pairs, 706 based on Foata normal form. 0/4263 useless extension candidates. Maximal degree in co-relation 9388. Up to 2057 conditions per place. [2023-08-31 21:56:50,874 INFO L137 encePairwiseOnDemand]: 656/661 looper letters, 71 selfloop transitions, 3 changer transitions 0/108 dead transitions. [2023-08-31 21:56:50,874 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 108 transitions, 430 flow [2023-08-31 21:56:50,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:56:50,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:56:50,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1030 transitions. [2023-08-31 21:56:50,876 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5194150277357539 [2023-08-31 21:56:50,876 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1030 transitions. [2023-08-31 21:56:50,877 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1030 transitions. [2023-08-31 21:56:50,877 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:56:50,877 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1030 transitions. [2023-08-31 21:56:50,879 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 343.3333333333333) internal successors, (1030), 3 states have internal predecessors, (1030), 0 states have call successors, (0), 0 states 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 21:56:50,881 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 661.0) internal successors, (2644), 4 states have internal predecessors, (2644), 0 states have call successors, (0), 0 states 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 21:56:50,881 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 661.0) internal successors, (2644), 4 states have internal predecessors, (2644), 0 states have call successors, (0), 0 states 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 21:56:50,881 INFO L175 Difference]: Start difference. First operand has 86 places, 80 transitions, 211 flow. Second operand 3 states and 1030 transitions. [2023-08-31 21:56:50,882 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 108 transitions, 430 flow [2023-08-31 21:56:50,883 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 108 transitions, 421 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-31 21:56:50,884 INFO L231 Difference]: Finished difference. Result has 85 places, 82 transitions, 225 flow [2023-08-31 21:56:50,884 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=661, PETRI_DIFFERENCE_MINUEND_FLOW=204, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=225, PETRI_PLACES=85, PETRI_TRANSITIONS=82} [2023-08-31 21:56:50,885 INFO L281 CegarLoopForPetriNet]: 110 programPoint places, -25 predicate places. [2023-08-31 21:56:50,885 INFO L495 AbstractCegarLoop]: Abstraction has has 85 places, 82 transitions, 225 flow [2023-08-31 21:56:50,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 323.3333333333333) internal successors, (970), 3 states have internal predecessors, (970), 0 states have call successors, (0), 0 states 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 21:56:50,885 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:56:50,886 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 21:56:50,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-31 21:56:50,886 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-08-31 21:56:50,886 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:56:50,886 INFO L85 PathProgramCache]: Analyzing trace with hash 262654795, now seen corresponding path program 1 times [2023-08-31 21:56:50,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:56:50,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103066598] [2023-08-31 21:56:50,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:56:50,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:56:50,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:56:51,062 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 21:56:51,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:56:51,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103066598] [2023-08-31 21:56:51,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103066598] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:56:51,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:56:51,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:56:51,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590873206] [2023-08-31 21:56:51,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:56:51,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:56:51,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:56:51,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:56:51,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:56:51,294 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 661 [2023-08-31 21:56:51,295 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 82 transitions, 225 flow. Second operand has 6 states, 6 states have (on average 312.5) internal successors, (1875), 6 states have internal predecessors, (1875), 0 states have call successors, (0), 0 states 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 21:56:51,295 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:56:51,295 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 661 [2023-08-31 21:56:51,295 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:56:51,846 INFO L130 PetriNetUnfolder]: 2972/5972 cut-off events. [2023-08-31 21:56:51,846 INFO L131 PetriNetUnfolder]: For 640/640 co-relation queries the response was YES. [2023-08-31 21:56:51,856 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12003 conditions, 5972 events. 2972/5972 cut-off events. For 640/640 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 40693 event pairs, 1692 based on Foata normal form. 140/5681 useless extension candidates. Maximal degree in co-relation 11994. Up to 3395 conditions per place. [2023-08-31 21:56:51,869 INFO L137 encePairwiseOnDemand]: 655/661 looper letters, 158 selfloop transitions, 6 changer transitions 0/193 dead transitions. [2023-08-31 21:56:51,870 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 193 transitions, 851 flow [2023-08-31 21:56:51,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:56:51,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:56:51,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2010 transitions. [2023-08-31 21:56:51,873 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5068078668683812 [2023-08-31 21:56:51,873 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2010 transitions. [2023-08-31 21:56:51,874 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2010 transitions. [2023-08-31 21:56:51,874 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:56:51,874 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2010 transitions. [2023-08-31 21:56:51,877 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 335.0) internal successors, (2010), 6 states have internal predecessors, (2010), 0 states have call successors, (0), 0 states 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 21:56:51,880 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 661.0) internal successors, (4627), 7 states have internal predecessors, (4627), 0 states have call successors, (0), 0 states 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 21:56:51,881 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 661.0) internal successors, (4627), 7 states have internal predecessors, (4627), 0 states have call successors, (0), 0 states 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 21:56:51,881 INFO L175 Difference]: Start difference. First operand has 85 places, 82 transitions, 225 flow. Second operand 6 states and 2010 transitions. [2023-08-31 21:56:51,881 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 193 transitions, 851 flow [2023-08-31 21:56:51,883 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 193 transitions, 840 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 21:56:51,885 INFO L231 Difference]: Finished difference. Result has 88 places, 81 transitions, 232 flow [2023-08-31 21:56:51,885 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=661, PETRI_DIFFERENCE_MINUEND_FLOW=220, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=232, PETRI_PLACES=88, PETRI_TRANSITIONS=81} [2023-08-31 21:56:51,885 INFO L281 CegarLoopForPetriNet]: 110 programPoint places, -22 predicate places. [2023-08-31 21:56:51,886 INFO L495 AbstractCegarLoop]: Abstraction has has 88 places, 81 transitions, 232 flow [2023-08-31 21:56:51,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 312.5) internal successors, (1875), 6 states have internal predecessors, (1875), 0 states have call successors, (0), 0 states 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 21:56:51,887 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:56:51,887 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 21:56:51,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-31 21:56:51,887 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-08-31 21:56:51,887 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:56:51,887 INFO L85 PathProgramCache]: Analyzing trace with hash -871334934, now seen corresponding path program 1 times [2023-08-31 21:56:51,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:56:51,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881045123] [2023-08-31 21:56:51,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:56:51,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:56:51,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:56:52,083 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 21:56:52,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:56:52,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881045123] [2023-08-31 21:56:52,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881045123] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:56:52,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:56:52,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:56:52,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360047143] [2023-08-31 21:56:52,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:56:52,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:56:52,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:56:52,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:56:52,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:56:52,286 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 661 [2023-08-31 21:56:52,287 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 81 transitions, 232 flow. Second operand has 6 states, 6 states have (on average 298.6666666666667) internal successors, (1792), 6 states have internal predecessors, (1792), 0 states have call successors, (0), 0 states 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 21:56:52,287 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:56:52,287 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 661 [2023-08-31 21:56:52,287 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:56:52,713 INFO L130 PetriNetUnfolder]: 3011/5450 cut-off events. [2023-08-31 21:56:52,713 INFO L131 PetriNetUnfolder]: For 943/943 co-relation queries the response was YES. [2023-08-31 21:56:52,721 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11874 conditions, 5450 events. 3011/5450 cut-off events. For 943/943 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 33406 event pairs, 1545 based on Foata normal form. 152/5155 useless extension candidates. Maximal degree in co-relation 11865. Up to 3116 conditions per place. [2023-08-31 21:56:52,733 INFO L137 encePairwiseOnDemand]: 643/661 looper letters, 93 selfloop transitions, 17 changer transitions 0/130 dead transitions. [2023-08-31 21:56:52,733 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 130 transitions, 602 flow [2023-08-31 21:56:52,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:56:52,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:56:52,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1878 transitions. [2023-08-31 21:56:52,737 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4735249621785174 [2023-08-31 21:56:52,737 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1878 transitions. [2023-08-31 21:56:52,737 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1878 transitions. [2023-08-31 21:56:52,737 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:56:52,738 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1878 transitions. [2023-08-31 21:56:52,740 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 313.0) internal successors, (1878), 6 states have internal predecessors, (1878), 0 states have call successors, (0), 0 states 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 21:56:52,743 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 661.0) internal successors, (4627), 7 states have internal predecessors, (4627), 0 states have call successors, (0), 0 states 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 21:56:52,744 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 661.0) internal successors, (4627), 7 states have internal predecessors, (4627), 0 states have call successors, (0), 0 states 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 21:56:52,744 INFO L175 Difference]: Start difference. First operand has 88 places, 81 transitions, 232 flow. Second operand 6 states and 1878 transitions. [2023-08-31 21:56:52,744 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 130 transitions, 602 flow [2023-08-31 21:56:52,746 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 130 transitions, 574 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-31 21:56:52,747 INFO L231 Difference]: Finished difference. Result has 85 places, 78 transitions, 248 flow [2023-08-31 21:56:52,747 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=661, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=248, PETRI_PLACES=85, PETRI_TRANSITIONS=78} [2023-08-31 21:56:52,747 INFO L281 CegarLoopForPetriNet]: 110 programPoint places, -25 predicate places. [2023-08-31 21:56:52,747 INFO L495 AbstractCegarLoop]: Abstraction has has 85 places, 78 transitions, 248 flow [2023-08-31 21:56:52,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 298.6666666666667) internal successors, (1792), 6 states have internal predecessors, (1792), 0 states have call successors, (0), 0 states 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 21:56:52,748 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:56:52,748 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 21:56:52,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-31 21:56:52,748 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2023-08-31 21:56:52,749 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:56:52,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1007281440, now seen corresponding path program 1 times [2023-08-31 21:56:52,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:56:52,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651214586] [2023-08-31 21:56:52,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:56:52,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:56:52,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:56:52,918 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 21:56:52,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:56:52,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651214586] [2023-08-31 21:56:52,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651214586] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:56:52,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:56:52,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:56:52,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712089127] [2023-08-31 21:56:52,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:56:52,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:56:52,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:56:52,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:56:52,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:56:53,126 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 311 out of 661 [2023-08-31 21:56:53,127 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 78 transitions, 248 flow. Second operand has 6 states, 6 states have (on average 313.3333333333333) internal successors, (1880), 6 states have internal predecessors, (1880), 0 states have call successors, (0), 0 states 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 21:56:53,127 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:56:53,127 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 661 [2023-08-31 21:56:53,127 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:56:53,558 INFO L130 PetriNetUnfolder]: 2380/4928 cut-off events. [2023-08-31 21:56:53,558 INFO L131 PetriNetUnfolder]: For 779/779 co-relation queries the response was YES. [2023-08-31 21:56:53,567 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10849 conditions, 4928 events. 2380/4928 cut-off events. For 779/779 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 33650 event pairs, 1626 based on Foata normal form. 0/4532 useless extension candidates. Maximal degree in co-relation 10840. Up to 3251 conditions per place. [2023-08-31 21:56:53,570 INFO L137 encePairwiseOnDemand]: 656/661 looper letters, 0 selfloop transitions, 0 changer transitions 185/185 dead transitions. [2023-08-31 21:56:53,570 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 185 transitions, 926 flow [2023-08-31 21:56:53,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:56:53,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:56:53,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2004 transitions. [2023-08-31 21:56:53,574 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5052950075642966 [2023-08-31 21:56:53,574 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2004 transitions. [2023-08-31 21:56:53,574 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2004 transitions. [2023-08-31 21:56:53,575 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:56:53,575 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2004 transitions. [2023-08-31 21:56:53,577 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 334.0) internal successors, (2004), 6 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 21:56:53,580 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 661.0) internal successors, (4627), 7 states have internal predecessors, (4627), 0 states have call successors, (0), 0 states 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 21:56:53,581 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 661.0) internal successors, (4627), 7 states have internal predecessors, (4627), 0 states have call successors, (0), 0 states 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 21:56:53,581 INFO L175 Difference]: Start difference. First operand has 85 places, 78 transitions, 248 flow. Second operand 6 states and 2004 transitions. [2023-08-31 21:56:53,581 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 185 transitions, 926 flow [2023-08-31 21:56:53,585 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 185 transitions, 836 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-31 21:56:53,586 INFO L231 Difference]: Finished difference. Result has 84 places, 0 transitions, 0 flow [2023-08-31 21:56:53,586 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=661, PETRI_DIFFERENCE_MINUEND_FLOW=212, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=84, PETRI_TRANSITIONS=0} [2023-08-31 21:56:53,586 INFO L281 CegarLoopForPetriNet]: 110 programPoint places, -26 predicate places. [2023-08-31 21:56:53,587 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 0 transitions, 0 flow [2023-08-31 21:56:53,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 313.3333333333333) internal successors, (1880), 6 states have internal predecessors, (1880), 0 states have call successors, (0), 0 states 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 21:56:53,589 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (73 of 74 remaining) [2023-08-31 21:56:53,589 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (72 of 74 remaining) [2023-08-31 21:56:53,589 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (71 of 74 remaining) [2023-08-31 21:56:53,589 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (70 of 74 remaining) [2023-08-31 21:56:53,589 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (69 of 74 remaining) [2023-08-31 21:56:53,590 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (68 of 74 remaining) [2023-08-31 21:56:53,590 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (67 of 74 remaining) [2023-08-31 21:56:53,590 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (66 of 74 remaining) [2023-08-31 21:56:53,590 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (65 of 74 remaining) [2023-08-31 21:56:53,590 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (64 of 74 remaining) [2023-08-31 21:56:53,590 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (63 of 74 remaining) [2023-08-31 21:56:53,590 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (62 of 74 remaining) [2023-08-31 21:56:53,590 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (61 of 74 remaining) [2023-08-31 21:56:53,591 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (60 of 74 remaining) [2023-08-31 21:56:53,591 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (59 of 74 remaining) [2023-08-31 21:56:53,591 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (58 of 74 remaining) [2023-08-31 21:56:53,591 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (57 of 74 remaining) [2023-08-31 21:56:53,591 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (56 of 74 remaining) [2023-08-31 21:56:53,591 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (55 of 74 remaining) [2023-08-31 21:56:53,591 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (54 of 74 remaining) [2023-08-31 21:56:53,591 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (53 of 74 remaining) [2023-08-31 21:56:53,592 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (52 of 74 remaining) [2023-08-31 21:56:53,592 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (51 of 74 remaining) [2023-08-31 21:56:53,592 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (50 of 74 remaining) [2023-08-31 21:56:53,592 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (49 of 74 remaining) [2023-08-31 21:56:53,592 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (48 of 74 remaining) [2023-08-31 21:56:53,592 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (47 of 74 remaining) [2023-08-31 21:56:53,592 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (46 of 74 remaining) [2023-08-31 21:56:53,592 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (45 of 74 remaining) [2023-08-31 21:56:53,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (44 of 74 remaining) [2023-08-31 21:56:53,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (43 of 74 remaining) [2023-08-31 21:56:53,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (42 of 74 remaining) [2023-08-31 21:56:53,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (41 of 74 remaining) [2023-08-31 21:56:53,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (40 of 74 remaining) [2023-08-31 21:56:53,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (39 of 74 remaining) [2023-08-31 21:56:53,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (38 of 74 remaining) [2023-08-31 21:56:53,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (37 of 74 remaining) [2023-08-31 21:56:53,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (36 of 74 remaining) [2023-08-31 21:56:53,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (35 of 74 remaining) [2023-08-31 21:56:53,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (34 of 74 remaining) [2023-08-31 21:56:53,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (33 of 74 remaining) [2023-08-31 21:56:53,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 74 remaining) [2023-08-31 21:56:53,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 74 remaining) [2023-08-31 21:56:53,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (30 of 74 remaining) [2023-08-31 21:56:53,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (29 of 74 remaining) [2023-08-31 21:56:53,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (28 of 74 remaining) [2023-08-31 21:56:53,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (27 of 74 remaining) [2023-08-31 21:56:53,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (26 of 74 remaining) [2023-08-31 21:56:53,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (25 of 74 remaining) [2023-08-31 21:56:53,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (24 of 74 remaining) [2023-08-31 21:56:53,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (23 of 74 remaining) [2023-08-31 21:56:53,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (22 of 74 remaining) [2023-08-31 21:56:53,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (21 of 74 remaining) [2023-08-31 21:56:53,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (20 of 74 remaining) [2023-08-31 21:56:53,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (19 of 74 remaining) [2023-08-31 21:56:53,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (18 of 74 remaining) [2023-08-31 21:56:53,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (17 of 74 remaining) [2023-08-31 21:56:53,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (16 of 74 remaining) [2023-08-31 21:56:53,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (15 of 74 remaining) [2023-08-31 21:56:53,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (14 of 74 remaining) [2023-08-31 21:56:53,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (13 of 74 remaining) [2023-08-31 21:56:53,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (12 of 74 remaining) [2023-08-31 21:56:53,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (11 of 74 remaining) [2023-08-31 21:56:53,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (10 of 74 remaining) [2023-08-31 21:56:53,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (9 of 74 remaining) [2023-08-31 21:56:53,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (8 of 74 remaining) [2023-08-31 21:56:53,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (7 of 74 remaining) [2023-08-31 21:56:53,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (6 of 74 remaining) [2023-08-31 21:56:53,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (5 of 74 remaining) [2023-08-31 21:56:53,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (4 of 74 remaining) [2023-08-31 21:56:53,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (3 of 74 remaining) [2023-08-31 21:56:53,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (2 of 74 remaining) [2023-08-31 21:56:53,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (1 of 74 remaining) [2023-08-31 21:56:53,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (0 of 74 remaining) [2023-08-31 21:56:53,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-31 21:56:53,598 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:56:53,602 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-31 21:56:53,602 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-31 21:56:53,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.08 09:56:53 BasicIcfg [2023-08-31 21:56:53,605 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-31 21:56:53,605 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-31 21:56:53,605 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-31 21:56:53,605 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-31 21:56:53,606 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:56:41" (3/4) ... [2023-08-31 21:56:53,607 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-31 21:56:53,610 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-31 21:56:53,611 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-31 21:56:53,615 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-08-31 21:56:53,615 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-31 21:56:53,615 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-31 21:56:53,616 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-31 21:56:53,649 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-31 21:56:53,649 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-31 21:56:53,650 INFO L158 Benchmark]: Toolchain (without parser) took 12877.66ms. Allocated memory was 75.5MB in the beginning and 671.1MB in the end (delta: 595.6MB). Free memory was 53.4MB in the beginning and 355.1MB in the end (delta: -301.7MB). Peak memory consumption was 293.4MB. Max. memory is 16.1GB. [2023-08-31 21:56:53,650 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 75.5MB. Free memory is still 53.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-31 21:56:53,650 INFO L158 Benchmark]: CACSL2BoogieTranslator took 238.41ms. Allocated memory is still 75.5MB. Free memory was 53.2MB in the beginning and 41.0MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-31 21:56:53,650 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.68ms. Allocated memory is still 75.5MB. Free memory was 41.0MB in the beginning and 38.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 21:56:53,651 INFO L158 Benchmark]: Boogie Preprocessor took 45.30ms. Allocated memory is still 75.5MB. Free memory was 38.3MB in the beginning and 36.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 21:56:53,652 INFO L158 Benchmark]: RCFGBuilder took 577.66ms. Allocated memory is still 75.5MB. Free memory was 35.7MB in the beginning and 33.0MB in the end (delta: 2.7MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2023-08-31 21:56:53,652 INFO L158 Benchmark]: TraceAbstraction took 11909.75ms. Allocated memory was 75.5MB in the beginning and 671.1MB in the end (delta: 595.6MB). Free memory was 32.3MB in the beginning and 359.3MB in the end (delta: -327.0MB). Peak memory consumption was 475.1MB. Max. memory is 16.1GB. [2023-08-31 21:56:53,652 INFO L158 Benchmark]: Witness Printer took 44.28ms. Allocated memory is still 671.1MB. Free memory was 359.3MB in the beginning and 355.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-31 21:56:53,654 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 75.5MB. Free memory is still 53.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 238.41ms. Allocated memory is still 75.5MB. Free memory was 53.2MB in the beginning and 41.0MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.68ms. Allocated memory is still 75.5MB. Free memory was 41.0MB in the beginning and 38.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.30ms. Allocated memory is still 75.5MB. Free memory was 38.3MB in the beginning and 36.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 577.66ms. Allocated memory is still 75.5MB. Free memory was 35.7MB in the beginning and 33.0MB in the end (delta: 2.7MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * TraceAbstraction took 11909.75ms. Allocated memory was 75.5MB in the beginning and 671.1MB in the end (delta: 595.6MB). Free memory was 32.3MB in the beginning and 359.3MB in the end (delta: -327.0MB). Peak memory consumption was 475.1MB. Max. memory is 16.1GB. * Witness Printer took 44.28ms. Allocated memory is still 671.1MB. Free memory was 359.3MB in the beginning and 355.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.2s, 312 PlacesBefore, 110 PlacesAfterwards, 323 TransitionsBefore, 113 TransitionsAfterwards, 21580 CoEnabledTransitionPairs, 8 FixpointIterations, 108 TrivialSequentialCompositions, 163 ConcurrentSequentialCompositions, 12 TrivialYvCompositions, 30 ConcurrentYvCompositions, 8 ChoiceCompositions, 321 TotalNumberOfCompositions, 84485 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 26671, independent: 25529, independent conditional: 0, independent unconditional: 25529, dependent: 1142, dependent conditional: 0, dependent unconditional: 1142, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 12222, independent: 12044, independent conditional: 0, independent unconditional: 12044, dependent: 178, dependent conditional: 0, dependent unconditional: 178, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 26671, independent: 13485, independent conditional: 0, independent unconditional: 13485, dependent: 964, dependent conditional: 0, dependent unconditional: 964, unknown: 12222, unknown conditional: 0, unknown unconditional: 12222] , Statistics on independence cache: Total cache size (in pairs): 1102, Positive cache size: 1003, Positive conditional cache size: 0, Positive unconditional cache size: 1003, Negative cache size: 99, Negative conditional cache size: 0, Negative unconditional cache size: 99, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 81]: 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: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: 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: 90]: 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, 508 locations, 74 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: 11.7s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1373 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 875 mSDsluCounter, 76 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 448 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2986 IncrementalHoareTripleChecker+Invalid, 3434 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 448 mSolverCounterUnsat, 76 mSDtfsCounter, 2986 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=248occurred in iteration=10, InterpolantAutomatonStates: 44, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 125 NumberOfCodeBlocks, 125 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 114 ConstructedInterpolants, 0 QuantifiedInterpolants, 544 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 5/5 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 41 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-31 21:56:53,683 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