./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/06-symbeq_11-equ_nr.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/goblint-regression/06-symbeq_11-equ_nr.i -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 071be118cd0932d66afa6bce30fcab76880adc6e53d2ca540223cce2e13054f4 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 17:40:01,431 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 17:40:01,433 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 17:40:01,464 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 17:40:01,464 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 17:40:01,474 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 17:40:01,476 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 17:40:01,479 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 17:40:01,481 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 17:40:01,485 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 17:40:01,486 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 17:40:01,488 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 17:40:01,488 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 17:40:01,490 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 17:40:01,492 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 17:40:01,497 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 17:40:01,498 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 17:40:01,499 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 17:40:01,500 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 17:40:01,505 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 17:40:01,506 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 17:40:01,507 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 17:40:01,507 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 17:40:01,508 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 17:40:01,514 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 17:40:01,515 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 17:40:01,515 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 17:40:01,516 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 17:40:01,517 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 17:40:01,518 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 17:40:01,518 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 17:40:01,519 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 17:40:01,521 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 17:40:01,521 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 17:40:01,522 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 17:40:01,522 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 17:40:01,523 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 17:40:01,523 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 17:40:01,523 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 17:40:01,524 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 17:40:01,524 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 17:40:01,526 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 17:40:01,562 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 17:40:01,562 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 17:40:01,563 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 17:40:01,564 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 17:40:01,564 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 17:40:01,565 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 17:40:01,565 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 17:40:01,565 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 17:40:01,565 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 17:40:01,566 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 17:40:01,566 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 17:40:01,566 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 17:40:01,567 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 17:40:01,567 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 17:40:01,567 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 17:40:01,567 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 17:40:01,567 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 17:40:01,567 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 17:40:01,568 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 17:40:01,568 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 17:40:01,568 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 17:40:01,568 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 17:40:01,568 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 17:40:01,568 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 17:40:01,569 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 17:40:01,569 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 17:40:01,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 17:40:01,569 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 17:40:01,569 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 17:40:01,569 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 17:40:01,570 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 17:40:01,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 17:40:01,570 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 17:40:01,570 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 17:40:01,570 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 17:40:01,571 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 17:40:01,571 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 17:40:01,571 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 071be118cd0932d66afa6bce30fcab76880adc6e53d2ca540223cce2e13054f4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 17:40:01,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 17:40:01,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 17:40:01,888 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 17:40:01,889 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 17:40:01,889 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 17:40:01,890 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/06-symbeq_11-equ_nr.i [2023-08-29 17:40:03,088 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 17:40:03,387 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 17:40:03,388 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/06-symbeq_11-equ_nr.i [2023-08-29 17:40:03,411 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a974c2c74/465a9a236b2a413ca7852d779d2ed998/FLAG8ae49d8c0 [2023-08-29 17:40:03,425 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a974c2c74/465a9a236b2a413ca7852d779d2ed998 [2023-08-29 17:40:03,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 17:40:03,427 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 17:40:03,428 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 17:40:03,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 17:40:03,433 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 17:40:03,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 05:40:03" (1/1) ... [2023-08-29 17:40:03,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53cbb3e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:40:03, skipping insertion in model container [2023-08-29 17:40:03,435 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 05:40:03" (1/1) ... [2023-08-29 17:40:03,440 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 17:40:03,482 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 17:40:03,935 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 17:40:03,946 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 17:40:03,983 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 17:40:04,033 INFO L208 MainTranslator]: Completed translation [2023-08-29 17:40:04,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:40:04 WrapperNode [2023-08-29 17:40:04,034 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 17:40:04,035 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 17:40:04,035 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 17:40:04,035 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 17:40:04,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:40:04" (1/1) ... [2023-08-29 17:40:04,074 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:40:04" (1/1) ... [2023-08-29 17:40:04,093 INFO L138 Inliner]: procedures = 265, calls = 29, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 72 [2023-08-29 17:40:04,093 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 17:40:04,094 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 17:40:04,094 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 17:40:04,094 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 17:40:04,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:40:04" (1/1) ... [2023-08-29 17:40:04,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:40:04" (1/1) ... [2023-08-29 17:40:04,104 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:40:04" (1/1) ... [2023-08-29 17:40:04,104 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:40:04" (1/1) ... [2023-08-29 17:40:04,112 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:40:04" (1/1) ... [2023-08-29 17:40:04,114 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:40:04" (1/1) ... [2023-08-29 17:40:04,115 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:40:04" (1/1) ... [2023-08-29 17:40:04,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:40:04" (1/1) ... [2023-08-29 17:40:04,119 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 17:40:04,119 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 17:40:04,119 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 17:40:04,120 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 17:40:04,120 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:40:04" (1/1) ... [2023-08-29 17:40:04,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 17:40:04,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 17:40:04,149 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) [2023-08-29 17:40:04,156 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 17:40:04,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 17:40:04,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 17:40:04,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 17:40:04,175 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-29 17:40:04,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 17:40:04,175 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-29 17:40:04,176 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-29 17:40:04,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 17:40:04,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 17:40:04,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 17:40:04,177 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 17:40:04,340 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 17:40:04,358 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 17:40:04,599 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 17:40:04,609 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 17:40:04,609 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 17:40:04,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 05:40:04 BoogieIcfgContainer [2023-08-29 17:40:04,613 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 17:40:04,614 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 17:40:04,615 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 17:40:04,617 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 17:40:04,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 05:40:03" (1/3) ... [2023-08-29 17:40:04,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@413d8e57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 05:40:04, skipping insertion in model container [2023-08-29 17:40:04,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:40:04" (2/3) ... [2023-08-29 17:40:04,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@413d8e57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 05:40:04, skipping insertion in model container [2023-08-29 17:40:04,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 05:40:04" (3/3) ... [2023-08-29 17:40:04,619 INFO L112 eAbstractionObserver]: Analyzing ICFG 06-symbeq_11-equ_nr.i [2023-08-29 17:40:04,626 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 17:40:04,634 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 17:40:04,634 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-08-29 17:40:04,634 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 17:40:04,675 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-29 17:40:04,701 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 91 places, 89 transitions, 183 flow [2023-08-29 17:40:04,736 INFO L130 PetriNetUnfolder]: 1/90 cut-off events. [2023-08-29 17:40:04,737 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 17:40:04,740 INFO L83 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 90 events. 1/90 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 50 event pairs, 0 based on Foata normal form. 0/86 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2023-08-29 17:40:04,740 INFO L82 GeneralOperation]: Start removeDead. Operand has 91 places, 89 transitions, 183 flow [2023-08-29 17:40:04,743 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 89 places, 86 transitions, 175 flow [2023-08-29 17:40:04,746 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 17:40:04,753 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 89 places, 86 transitions, 175 flow [2023-08-29 17:40:04,756 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 89 places, 86 transitions, 175 flow [2023-08-29 17:40:04,756 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 89 places, 86 transitions, 175 flow [2023-08-29 17:40:04,777 INFO L130 PetriNetUnfolder]: 1/86 cut-off events. [2023-08-29 17:40:04,777 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 17:40:04,778 INFO L83 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 86 events. 1/86 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 42 event pairs, 0 based on Foata normal form. 0/83 useless extension candidates. Maximal degree in co-relation 51. Up to 2 conditions per place. [2023-08-29 17:40:04,779 INFO L119 LiptonReduction]: Number of co-enabled transitions 570 [2023-08-29 17:40:08,840 INFO L134 LiptonReduction]: Checked pairs total: 2736 [2023-08-29 17:40:08,841 INFO L136 LiptonReduction]: Total number of compositions: 72 [2023-08-29 17:40:08,853 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 17:40:08,858 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;@607ddff2, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 17:40:08,858 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-08-29 17:40:08,863 INFO L130 PetriNetUnfolder]: 0/14 cut-off events. [2023-08-29 17:40:08,863 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 17:40:08,863 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:40:08,864 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:40:08,864 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-08-29 17:40:08,868 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:40:08,869 INFO L85 PathProgramCache]: Analyzing trace with hash -32859920, now seen corresponding path program 1 times [2023-08-29 17:40:08,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:40:08,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696758026] [2023-08-29 17:40:08,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:40:08,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:40:09,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:40:09,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:40:09,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:40:09,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696758026] [2023-08-29 17:40:09,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696758026] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:40:09,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:40:09,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 17:40:09,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658976834] [2023-08-29 17:40:09,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:40:09,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 17:40:09,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:40:09,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 17:40:09,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 17:40:09,645 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 161 [2023-08-29 17:40:09,647 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 20 transitions, 43 flow. Second operand has 6 states, 6 states have (on average 76.5) internal successors, (459), 6 states have internal predecessors, (459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:09,648 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:40:09,648 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 161 [2023-08-29 17:40:09,649 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:40:09,774 INFO L130 PetriNetUnfolder]: 72/186 cut-off events. [2023-08-29 17:40:09,775 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 17:40:09,776 INFO L83 FinitePrefix]: Finished finitePrefix Result has 357 conditions, 186 events. 72/186 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 743 event pairs, 19 based on Foata normal form. 0/171 useless extension candidates. Maximal degree in co-relation 348. Up to 117 conditions per place. [2023-08-29 17:40:09,779 INFO L137 encePairwiseOnDemand]: 150/161 looper letters, 20 selfloop transitions, 22 changer transitions 4/49 dead transitions. [2023-08-29 17:40:09,779 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 49 transitions, 193 flow [2023-08-29 17:40:09,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 17:40:09,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 17:40:09,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 497 transitions. [2023-08-29 17:40:09,798 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5144927536231884 [2023-08-29 17:40:09,799 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 497 transitions. [2023-08-29 17:40:09,799 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 497 transitions. [2023-08-29 17:40:09,803 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:40:09,805 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 497 transitions. [2023-08-29 17:40:09,810 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 82.83333333333333) internal successors, (497), 6 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:09,816 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 161.0) internal successors, (1127), 7 states have internal predecessors, (1127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:09,817 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 161.0) internal successors, (1127), 7 states have internal predecessors, (1127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:09,818 INFO L175 Difference]: Start difference. First operand has 24 places, 20 transitions, 43 flow. Second operand 6 states and 497 transitions. [2023-08-29 17:40:09,819 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 49 transitions, 193 flow [2023-08-29 17:40:09,821 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 49 transitions, 192 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 17:40:09,823 INFO L231 Difference]: Finished difference. Result has 33 places, 41 transitions, 192 flow [2023-08-29 17:40:09,825 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=192, PETRI_PLACES=33, PETRI_TRANSITIONS=41} [2023-08-29 17:40:09,828 INFO L281 CegarLoopForPetriNet]: 24 programPoint places, 9 predicate places. [2023-08-29 17:40:09,828 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 41 transitions, 192 flow [2023-08-29 17:40:09,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 76.5) internal successors, (459), 6 states have internal predecessors, (459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:09,829 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:40:09,829 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:40:09,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 17:40:09,830 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-08-29 17:40:09,831 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:40:09,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1414066238, now seen corresponding path program 1 times [2023-08-29 17:40:09,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:40:09,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597017408] [2023-08-29 17:40:09,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:40:09,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:40:09,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:40:10,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:40:10,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:40:10,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597017408] [2023-08-29 17:40:10,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597017408] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:40:10,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:40:10,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 17:40:10,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128062968] [2023-08-29 17:40:10,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:40:10,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 17:40:10,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:40:10,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 17:40:10,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 17:40:10,191 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 161 [2023-08-29 17:40:10,192 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 41 transitions, 192 flow. Second operand has 6 states, 6 states have (on average 74.33333333333333) internal successors, (446), 6 states have internal predecessors, (446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:10,192 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:40:10,192 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 161 [2023-08-29 17:40:10,192 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:40:10,329 INFO L130 PetriNetUnfolder]: 113/268 cut-off events. [2023-08-29 17:40:10,330 INFO L131 PetriNetUnfolder]: For 102/108 co-relation queries the response was YES. [2023-08-29 17:40:10,333 INFO L83 FinitePrefix]: Finished finitePrefix Result has 795 conditions, 268 events. 113/268 cut-off events. For 102/108 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1138 event pairs, 14 based on Foata normal form. 2/258 useless extension candidates. Maximal degree in co-relation 782. Up to 166 conditions per place. [2023-08-29 17:40:10,335 INFO L137 encePairwiseOnDemand]: 150/161 looper letters, 40 selfloop transitions, 29 changer transitions 11/84 dead transitions. [2023-08-29 17:40:10,335 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 84 transitions, 532 flow [2023-08-29 17:40:10,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 17:40:10,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 17:40:10,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 489 transitions. [2023-08-29 17:40:10,337 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5062111801242236 [2023-08-29 17:40:10,337 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 489 transitions. [2023-08-29 17:40:10,337 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 489 transitions. [2023-08-29 17:40:10,338 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:40:10,338 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 489 transitions. [2023-08-29 17:40:10,339 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 81.5) internal successors, (489), 6 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:10,342 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 161.0) internal successors, (1127), 7 states have internal predecessors, (1127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:10,342 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 161.0) internal successors, (1127), 7 states have internal predecessors, (1127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:10,342 INFO L175 Difference]: Start difference. First operand has 33 places, 41 transitions, 192 flow. Second operand 6 states and 489 transitions. [2023-08-29 17:40:10,342 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 84 transitions, 532 flow [2023-08-29 17:40:10,346 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 84 transitions, 532 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 17:40:10,348 INFO L231 Difference]: Finished difference. Result has 43 places, 65 transitions, 446 flow [2023-08-29 17:40:10,348 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=446, PETRI_PLACES=43, PETRI_TRANSITIONS=65} [2023-08-29 17:40:10,348 INFO L281 CegarLoopForPetriNet]: 24 programPoint places, 19 predicate places. [2023-08-29 17:40:10,349 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 65 transitions, 446 flow [2023-08-29 17:40:10,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 74.33333333333333) internal successors, (446), 6 states have internal predecessors, (446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:10,349 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:40:10,349 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:40:10,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 17:40:10,350 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-08-29 17:40:10,350 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:40:10,350 INFO L85 PathProgramCache]: Analyzing trace with hash -785837523, now seen corresponding path program 1 times [2023-08-29 17:40:10,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:40:10,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268980559] [2023-08-29 17:40:10,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:40:10,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:40:10,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:40:11,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:40:11,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:40:11,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268980559] [2023-08-29 17:40:11,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268980559] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:40:11,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:40:11,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 17:40:11,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600397032] [2023-08-29 17:40:11,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:40:11,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 17:40:11,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:40:11,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 17:40:11,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2023-08-29 17:40:11,397 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 161 [2023-08-29 17:40:11,398 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 65 transitions, 446 flow. Second operand has 10 states, 10 states have (on average 65.1) internal successors, (651), 10 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:11,398 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:40:11,398 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 161 [2023-08-29 17:40:11,399 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:40:11,541 INFO L130 PetriNetUnfolder]: 148/371 cut-off events. [2023-08-29 17:40:11,541 INFO L131 PetriNetUnfolder]: For 424/426 co-relation queries the response was YES. [2023-08-29 17:40:11,543 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1476 conditions, 371 events. 148/371 cut-off events. For 424/426 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1864 event pairs, 8 based on Foata normal form. 10/381 useless extension candidates. Maximal degree in co-relation 1458. Up to 136 conditions per place. [2023-08-29 17:40:11,544 INFO L137 encePairwiseOnDemand]: 150/161 looper letters, 84 selfloop transitions, 34 changer transitions 13/135 dead transitions. [2023-08-29 17:40:11,545 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 135 transitions, 1186 flow [2023-08-29 17:40:11,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 17:40:11,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 17:40:11,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 697 transitions. [2023-08-29 17:40:11,547 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4329192546583851 [2023-08-29 17:40:11,547 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 697 transitions. [2023-08-29 17:40:11,547 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 697 transitions. [2023-08-29 17:40:11,548 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:40:11,548 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 697 transitions. [2023-08-29 17:40:11,550 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 69.7) internal successors, (697), 10 states have internal predecessors, (697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:11,552 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 161.0) internal successors, (1771), 11 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:11,553 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 161.0) internal successors, (1771), 11 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:11,553 INFO L175 Difference]: Start difference. First operand has 43 places, 65 transitions, 446 flow. Second operand 10 states and 697 transitions. [2023-08-29 17:40:11,553 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 135 transitions, 1186 flow [2023-08-29 17:40:11,560 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 135 transitions, 1150 flow, removed 18 selfloop flow, removed 0 redundant places. [2023-08-29 17:40:11,563 INFO L231 Difference]: Finished difference. Result has 58 places, 87 transitions, 722 flow [2023-08-29 17:40:11,563 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=428, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=722, PETRI_PLACES=58, PETRI_TRANSITIONS=87} [2023-08-29 17:40:11,564 INFO L281 CegarLoopForPetriNet]: 24 programPoint places, 34 predicate places. [2023-08-29 17:40:11,564 INFO L495 AbstractCegarLoop]: Abstraction has has 58 places, 87 transitions, 722 flow [2023-08-29 17:40:11,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 65.1) internal successors, (651), 10 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:11,565 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:40:11,565 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:40:11,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 17:40:11,565 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-08-29 17:40:11,565 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:40:11,566 INFO L85 PathProgramCache]: Analyzing trace with hash 324390159, now seen corresponding path program 2 times [2023-08-29 17:40:11,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:40:11,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891745874] [2023-08-29 17:40:11,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:40:11,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:40:11,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:40:12,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:40:12,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:40:12,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891745874] [2023-08-29 17:40:12,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891745874] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:40:12,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:40:12,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 17:40:12,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585928197] [2023-08-29 17:40:12,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:40:12,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 17:40:12,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:40:12,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 17:40:12,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2023-08-29 17:40:12,750 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 161 [2023-08-29 17:40:12,751 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 87 transitions, 722 flow. Second operand has 10 states, 10 states have (on average 65.1) internal successors, (651), 10 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:12,751 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:40:12,751 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 161 [2023-08-29 17:40:12,751 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:40:12,994 INFO L130 PetriNetUnfolder]: 155/386 cut-off events. [2023-08-29 17:40:12,994 INFO L131 PetriNetUnfolder]: For 988/991 co-relation queries the response was YES. [2023-08-29 17:40:12,995 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1861 conditions, 386 events. 155/386 cut-off events. For 988/991 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 1955 event pairs, 15 based on Foata normal form. 6/391 useless extension candidates. Maximal degree in co-relation 1835. Up to 128 conditions per place. [2023-08-29 17:40:12,997 INFO L137 encePairwiseOnDemand]: 146/161 looper letters, 58 selfloop transitions, 61 changer transitions 35/158 dead transitions. [2023-08-29 17:40:12,998 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 158 transitions, 1572 flow [2023-08-29 17:40:12,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-29 17:40:12,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-29 17:40:13,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 776 transitions. [2023-08-29 17:40:13,000 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43817052512704685 [2023-08-29 17:40:13,000 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 776 transitions. [2023-08-29 17:40:13,001 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 776 transitions. [2023-08-29 17:40:13,001 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:40:13,001 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 776 transitions. [2023-08-29 17:40:13,003 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 70.54545454545455) internal successors, (776), 11 states have internal predecessors, (776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:13,012 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 161.0) internal successors, (1932), 12 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:13,013 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 161.0) internal successors, (1932), 12 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:13,013 INFO L175 Difference]: Start difference. First operand has 58 places, 87 transitions, 722 flow. Second operand 11 states and 776 transitions. [2023-08-29 17:40:13,013 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 158 transitions, 1572 flow [2023-08-29 17:40:13,021 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 158 transitions, 1571 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 17:40:13,023 INFO L231 Difference]: Finished difference. Result has 72 places, 96 transitions, 1012 flow [2023-08-29 17:40:13,024 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=721, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1012, PETRI_PLACES=72, PETRI_TRANSITIONS=96} [2023-08-29 17:40:13,024 INFO L281 CegarLoopForPetriNet]: 24 programPoint places, 48 predicate places. [2023-08-29 17:40:13,025 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 96 transitions, 1012 flow [2023-08-29 17:40:13,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 65.1) internal successors, (651), 10 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:13,025 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:40:13,025 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:40:13,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 17:40:13,026 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-08-29 17:40:13,026 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:40:13,026 INFO L85 PathProgramCache]: Analyzing trace with hash -1753622701, now seen corresponding path program 1 times [2023-08-29 17:40:13,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:40:13,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118556499] [2023-08-29 17:40:13,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:40:13,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:40:13,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:40:13,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:40:13,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:40:13,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118556499] [2023-08-29 17:40:13,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118556499] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:40:13,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:40:13,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 17:40:13,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607583680] [2023-08-29 17:40:13,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:40:13,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 17:40:13,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:40:13,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 17:40:13,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2023-08-29 17:40:13,750 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 161 [2023-08-29 17:40:13,751 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 96 transitions, 1012 flow. Second operand has 10 states, 10 states have (on average 65.1) internal successors, (651), 10 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:13,751 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:40:13,751 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 161 [2023-08-29 17:40:13,751 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:40:14,078 INFO L130 PetriNetUnfolder]: 210/525 cut-off events. [2023-08-29 17:40:14,078 INFO L131 PetriNetUnfolder]: For 2348/2360 co-relation queries the response was YES. [2023-08-29 17:40:14,080 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3067 conditions, 525 events. 210/525 cut-off events. For 2348/2360 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 3003 event pairs, 9 based on Foata normal form. 10/534 useless extension candidates. Maximal degree in co-relation 3035. Up to 182 conditions per place. [2023-08-29 17:40:14,082 INFO L137 encePairwiseOnDemand]: 146/161 looper letters, 126 selfloop transitions, 40 changer transitions 45/216 dead transitions. [2023-08-29 17:40:14,083 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 216 transitions, 2673 flow [2023-08-29 17:40:14,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-29 17:40:14,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-29 17:40:14,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 781 transitions. [2023-08-29 17:40:14,085 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4409937888198758 [2023-08-29 17:40:14,085 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 781 transitions. [2023-08-29 17:40:14,085 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 781 transitions. [2023-08-29 17:40:14,086 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:40:14,086 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 781 transitions. [2023-08-29 17:40:14,087 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 71.0) internal successors, (781), 11 states have internal predecessors, (781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:14,090 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 161.0) internal successors, (1932), 12 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:14,090 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 161.0) internal successors, (1932), 12 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:14,090 INFO L175 Difference]: Start difference. First operand has 72 places, 96 transitions, 1012 flow. Second operand 11 states and 781 transitions. [2023-08-29 17:40:14,090 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 216 transitions, 2673 flow [2023-08-29 17:40:14,107 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 216 transitions, 2624 flow, removed 1 selfloop flow, removed 4 redundant places. [2023-08-29 17:40:14,110 INFO L231 Difference]: Finished difference. Result has 82 places, 118 transitions, 1377 flow [2023-08-29 17:40:14,110 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=989, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1377, PETRI_PLACES=82, PETRI_TRANSITIONS=118} [2023-08-29 17:40:14,111 INFO L281 CegarLoopForPetriNet]: 24 programPoint places, 58 predicate places. [2023-08-29 17:40:14,111 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 118 transitions, 1377 flow [2023-08-29 17:40:14,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 65.1) internal successors, (651), 10 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:14,111 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:40:14,111 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:40:14,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 17:40:14,112 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-08-29 17:40:14,112 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:40:14,112 INFO L85 PathProgramCache]: Analyzing trace with hash 2051401235, now seen corresponding path program 2 times [2023-08-29 17:40:14,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:40:14,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089167167] [2023-08-29 17:40:14,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:40:14,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:40:14,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:40:14,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:40:14,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:40:14,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089167167] [2023-08-29 17:40:14,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089167167] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:40:14,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:40:14,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 17:40:14,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107088801] [2023-08-29 17:40:14,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:40:14,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 17:40:14,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:40:14,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 17:40:14,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2023-08-29 17:40:14,806 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 161 [2023-08-29 17:40:14,807 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 118 transitions, 1377 flow. Second operand has 10 states, 10 states have (on average 65.1) internal successors, (651), 10 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:14,807 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:40:14,807 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 161 [2023-08-29 17:40:14,807 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:40:15,020 INFO L130 PetriNetUnfolder]: 156/425 cut-off events. [2023-08-29 17:40:15,020 INFO L131 PetriNetUnfolder]: For 2628/2639 co-relation queries the response was YES. [2023-08-29 17:40:15,022 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2797 conditions, 425 events. 156/425 cut-off events. For 2628/2639 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 2383 event pairs, 6 based on Foata normal form. 14/439 useless extension candidates. Maximal degree in co-relation 2759. Up to 156 conditions per place. [2023-08-29 17:40:15,024 INFO L137 encePairwiseOnDemand]: 151/161 looper letters, 128 selfloop transitions, 38 changer transitions 14/185 dead transitions. [2023-08-29 17:40:15,024 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 185 transitions, 2550 flow [2023-08-29 17:40:15,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 17:40:15,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 17:40:15,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 698 transitions. [2023-08-29 17:40:15,027 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4335403726708075 [2023-08-29 17:40:15,027 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 698 transitions. [2023-08-29 17:40:15,027 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 698 transitions. [2023-08-29 17:40:15,027 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:40:15,027 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 698 transitions. [2023-08-29 17:40:15,029 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 69.8) internal successors, (698), 10 states have internal predecessors, (698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:15,031 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 161.0) internal successors, (1771), 11 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:15,032 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 161.0) internal successors, (1771), 11 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:15,032 INFO L175 Difference]: Start difference. First operand has 82 places, 118 transitions, 1377 flow. Second operand 10 states and 698 transitions. [2023-08-29 17:40:15,032 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 185 transitions, 2550 flow [2023-08-29 17:40:15,047 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 185 transitions, 2524 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-29 17:40:15,050 INFO L231 Difference]: Finished difference. Result has 93 places, 129 transitions, 1630 flow [2023-08-29 17:40:15,050 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=1357, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1630, PETRI_PLACES=93, PETRI_TRANSITIONS=129} [2023-08-29 17:40:15,051 INFO L281 CegarLoopForPetriNet]: 24 programPoint places, 69 predicate places. [2023-08-29 17:40:15,051 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 129 transitions, 1630 flow [2023-08-29 17:40:15,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 65.1) internal successors, (651), 10 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:15,052 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:40:15,052 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:40:15,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 17:40:15,052 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-08-29 17:40:15,053 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:40:15,053 INFO L85 PathProgramCache]: Analyzing trace with hash 371757849, now seen corresponding path program 3 times [2023-08-29 17:40:15,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:40:15,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675705191] [2023-08-29 17:40:15,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:40:15,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:40:15,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:40:15,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:40:15,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:40:15,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675705191] [2023-08-29 17:40:15,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675705191] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:40:15,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:40:15,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 17:40:15,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583281406] [2023-08-29 17:40:15,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:40:15,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 17:40:15,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:40:15,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 17:40:15,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2023-08-29 17:40:15,859 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 161 [2023-08-29 17:40:15,860 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 129 transitions, 1630 flow. Second operand has 10 states, 10 states have (on average 65.1) internal successors, (651), 10 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:15,860 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:40:15,860 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 161 [2023-08-29 17:40:15,860 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:40:16,115 INFO L130 PetriNetUnfolder]: 187/536 cut-off events. [2023-08-29 17:40:16,115 INFO L131 PetriNetUnfolder]: For 4638/4645 co-relation queries the response was YES. [2023-08-29 17:40:16,118 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3864 conditions, 536 events. 187/536 cut-off events. For 4638/4645 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 3391 event pairs, 16 based on Foata normal form. 11/547 useless extension candidates. Maximal degree in co-relation 3820. Up to 173 conditions per place. [2023-08-29 17:40:16,120 INFO L137 encePairwiseOnDemand]: 146/161 looper letters, 65 selfloop transitions, 50 changer transitions 80/201 dead transitions. [2023-08-29 17:40:16,120 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 201 transitions, 2984 flow [2023-08-29 17:40:16,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-29 17:40:16,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-29 17:40:16,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 777 transitions. [2023-08-29 17:40:16,123 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43873517786561267 [2023-08-29 17:40:16,123 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 777 transitions. [2023-08-29 17:40:16,123 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 777 transitions. [2023-08-29 17:40:16,123 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:40:16,124 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 777 transitions. [2023-08-29 17:40:16,125 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 70.63636363636364) internal successors, (777), 11 states have internal predecessors, (777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:16,127 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 161.0) internal successors, (1932), 12 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:16,128 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 161.0) internal successors, (1932), 12 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:16,128 INFO L175 Difference]: Start difference. First operand has 93 places, 129 transitions, 1630 flow. Second operand 11 states and 777 transitions. [2023-08-29 17:40:16,128 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 201 transitions, 2984 flow [2023-08-29 17:40:16,151 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 201 transitions, 2825 flow, removed 52 selfloop flow, removed 5 redundant places. [2023-08-29 17:40:16,154 INFO L231 Difference]: Finished difference. Result has 102 places, 112 transitions, 1521 flow [2023-08-29 17:40:16,154 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=1555, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1521, PETRI_PLACES=102, PETRI_TRANSITIONS=112} [2023-08-29 17:40:16,155 INFO L281 CegarLoopForPetriNet]: 24 programPoint places, 78 predicate places. [2023-08-29 17:40:16,155 INFO L495 AbstractCegarLoop]: Abstraction has has 102 places, 112 transitions, 1521 flow [2023-08-29 17:40:16,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 65.1) internal successors, (651), 10 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:16,156 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:40:16,156 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:40:16,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 17:40:16,156 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-08-29 17:40:16,156 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:40:16,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1604110343, now seen corresponding path program 3 times [2023-08-29 17:40:16,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:40:16,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357644272] [2023-08-29 17:40:16,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:40:16,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:40:16,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:40:16,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:40:16,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:40:16,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357644272] [2023-08-29 17:40:16,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357644272] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:40:16,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:40:16,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 17:40:16,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145793623] [2023-08-29 17:40:16,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:40:16,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 17:40:16,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:40:16,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 17:40:16,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2023-08-29 17:40:16,870 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 161 [2023-08-29 17:40:16,871 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 112 transitions, 1521 flow. Second operand has 10 states, 10 states have (on average 65.1) internal successors, (651), 10 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:16,871 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:40:16,871 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 161 [2023-08-29 17:40:16,871 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:40:17,227 INFO L130 PetriNetUnfolder]: 114/342 cut-off events. [2023-08-29 17:40:17,228 INFO L131 PetriNetUnfolder]: For 3846/3852 co-relation queries the response was YES. [2023-08-29 17:40:17,229 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2634 conditions, 342 events. 114/342 cut-off events. For 3846/3852 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1883 event pairs, 10 based on Foata normal form. 14/356 useless extension candidates. Maximal degree in co-relation 2586. Up to 107 conditions per place. [2023-08-29 17:40:17,231 INFO L137 encePairwiseOnDemand]: 147/161 looper letters, 64 selfloop transitions, 34 changer transitions 63/167 dead transitions. [2023-08-29 17:40:17,231 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 167 transitions, 2680 flow [2023-08-29 17:40:17,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-29 17:40:17,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-29 17:40:17,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 770 transitions. [2023-08-29 17:40:17,234 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43478260869565216 [2023-08-29 17:40:17,234 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 770 transitions. [2023-08-29 17:40:17,234 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 770 transitions. [2023-08-29 17:40:17,234 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:40:17,235 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 770 transitions. [2023-08-29 17:40:17,236 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 70.0) internal successors, (770), 11 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:17,238 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 161.0) internal successors, (1932), 12 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:17,239 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 161.0) internal successors, (1932), 12 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:17,239 INFO L175 Difference]: Start difference. First operand has 102 places, 112 transitions, 1521 flow. Second operand 11 states and 770 transitions. [2023-08-29 17:40:17,239 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 167 transitions, 2680 flow [2023-08-29 17:40:17,258 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 167 transitions, 2536 flow, removed 58 selfloop flow, removed 5 redundant places. [2023-08-29 17:40:17,261 INFO L231 Difference]: Finished difference. Result has 110 places, 89 transitions, 1233 flow [2023-08-29 17:40:17,261 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=1414, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1233, PETRI_PLACES=110, PETRI_TRANSITIONS=89} [2023-08-29 17:40:17,261 INFO L281 CegarLoopForPetriNet]: 24 programPoint places, 86 predicate places. [2023-08-29 17:40:17,262 INFO L495 AbstractCegarLoop]: Abstraction has has 110 places, 89 transitions, 1233 flow [2023-08-29 17:40:17,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 65.1) internal successors, (651), 10 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:17,262 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:40:17,262 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:40:17,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 17:40:17,263 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-08-29 17:40:17,263 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:40:17,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1405280377, now seen corresponding path program 4 times [2023-08-29 17:40:17,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:40:17,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077715569] [2023-08-29 17:40:17,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:40:17,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:40:17,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:40:17,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:40:17,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:40:17,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077715569] [2023-08-29 17:40:17,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077715569] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:40:17,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:40:17,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 17:40:17,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755509645] [2023-08-29 17:40:17,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:40:17,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 17:40:17,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:40:17,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 17:40:17,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-08-29 17:40:17,992 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 161 [2023-08-29 17:40:17,992 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 89 transitions, 1233 flow. Second operand has 10 states, 10 states have (on average 65.1) internal successors, (651), 10 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:17,992 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:40:17,992 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 161 [2023-08-29 17:40:17,993 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:40:18,437 INFO L130 PetriNetUnfolder]: 67/229 cut-off events. [2023-08-29 17:40:18,437 INFO L131 PetriNetUnfolder]: For 3059/3063 co-relation queries the response was YES. [2023-08-29 17:40:18,438 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1834 conditions, 229 events. 67/229 cut-off events. For 3059/3063 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1137 event pairs, 7 based on Foata normal form. 5/233 useless extension candidates. Maximal degree in co-relation 1783. Up to 61 conditions per place. [2023-08-29 17:40:18,439 INFO L137 encePairwiseOnDemand]: 147/161 looper letters, 47 selfloop transitions, 38 changer transitions 33/124 dead transitions. [2023-08-29 17:40:18,439 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 124 transitions, 2005 flow [2023-08-29 17:40:18,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-29 17:40:18,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-29 17:40:18,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 764 transitions. [2023-08-29 17:40:18,442 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4313946922642575 [2023-08-29 17:40:18,442 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 764 transitions. [2023-08-29 17:40:18,442 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 764 transitions. [2023-08-29 17:40:18,443 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:40:18,443 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 764 transitions. [2023-08-29 17:40:18,444 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 69.45454545454545) internal successors, (764), 11 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:18,447 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 161.0) internal successors, (1932), 12 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:18,447 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 161.0) internal successors, (1932), 12 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:18,447 INFO L175 Difference]: Start difference. First operand has 110 places, 89 transitions, 1233 flow. Second operand 11 states and 764 transitions. [2023-08-29 17:40:18,447 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 124 transitions, 2005 flow [2023-08-29 17:40:18,461 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 124 transitions, 1777 flow, removed 41 selfloop flow, removed 17 redundant places. [2023-08-29 17:40:18,464 INFO L231 Difference]: Finished difference. Result has 102 places, 79 transitions, 1050 flow [2023-08-29 17:40:18,465 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=1068, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1050, PETRI_PLACES=102, PETRI_TRANSITIONS=79} [2023-08-29 17:40:18,466 INFO L281 CegarLoopForPetriNet]: 24 programPoint places, 78 predicate places. [2023-08-29 17:40:18,466 INFO L495 AbstractCegarLoop]: Abstraction has has 102 places, 79 transitions, 1050 flow [2023-08-29 17:40:18,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 65.1) internal successors, (651), 10 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:18,466 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:40:18,466 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:40:18,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-29 17:40:18,467 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-08-29 17:40:18,467 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:40:18,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1373690143, now seen corresponding path program 4 times [2023-08-29 17:40:18,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:40:18,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866792262] [2023-08-29 17:40:18,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:40:18,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:40:18,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:40:18,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:40:18,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:40:18,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866792262] [2023-08-29 17:40:18,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866792262] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:40:18,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:40:18,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 17:40:18,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024672463] [2023-08-29 17:40:18,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:40:18,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 17:40:18,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:40:18,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 17:40:18,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2023-08-29 17:40:19,214 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 161 [2023-08-29 17:40:19,215 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 79 transitions, 1050 flow. Second operand has 10 states, 10 states have (on average 65.1) internal successors, (651), 10 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:19,215 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:40:19,215 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 161 [2023-08-29 17:40:19,215 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:40:19,333 INFO L130 PetriNetUnfolder]: 73/229 cut-off events. [2023-08-29 17:40:19,333 INFO L131 PetriNetUnfolder]: For 2401/2411 co-relation queries the response was YES. [2023-08-29 17:40:19,334 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1731 conditions, 229 events. 73/229 cut-off events. For 2401/2411 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1103 event pairs, 9 based on Foata normal form. 11/239 useless extension candidates. Maximal degree in co-relation 1686. Up to 67 conditions per place. [2023-08-29 17:40:19,335 INFO L137 encePairwiseOnDemand]: 150/161 looper letters, 72 selfloop transitions, 32 changer transitions 16/125 dead transitions. [2023-08-29 17:40:19,336 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 125 transitions, 1929 flow [2023-08-29 17:40:19,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 17:40:19,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 17:40:19,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 691 transitions. [2023-08-29 17:40:19,338 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4291925465838509 [2023-08-29 17:40:19,338 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 691 transitions. [2023-08-29 17:40:19,338 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 691 transitions. [2023-08-29 17:40:19,339 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:40:19,339 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 691 transitions. [2023-08-29 17:40:19,340 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 69.1) internal successors, (691), 10 states have internal predecessors, (691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:19,342 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 161.0) internal successors, (1771), 11 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:19,343 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 161.0) internal successors, (1771), 11 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:19,343 INFO L175 Difference]: Start difference. First operand has 102 places, 79 transitions, 1050 flow. Second operand 10 states and 691 transitions. [2023-08-29 17:40:19,343 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 125 transitions, 1929 flow [2023-08-29 17:40:19,355 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 125 transitions, 1809 flow, removed 10 selfloop flow, removed 11 redundant places. [2023-08-29 17:40:19,357 INFO L231 Difference]: Finished difference. Result has 101 places, 88 transitions, 1231 flow [2023-08-29 17:40:19,357 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=976, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1231, PETRI_PLACES=101, PETRI_TRANSITIONS=88} [2023-08-29 17:40:19,358 INFO L281 CegarLoopForPetriNet]: 24 programPoint places, 77 predicate places. [2023-08-29 17:40:19,358 INFO L495 AbstractCegarLoop]: Abstraction has has 101 places, 88 transitions, 1231 flow [2023-08-29 17:40:19,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 65.1) internal successors, (651), 10 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:19,358 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:40:19,358 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:40:19,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-29 17:40:19,359 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-08-29 17:40:19,359 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:40:19,359 INFO L85 PathProgramCache]: Analyzing trace with hash -1336261357, now seen corresponding path program 5 times [2023-08-29 17:40:19,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:40:19,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873152290] [2023-08-29 17:40:19,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:40:19,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:40:19,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:40:19,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:40:19,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:40:19,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873152290] [2023-08-29 17:40:19,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873152290] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:40:19,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:40:19,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 17:40:19,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601646957] [2023-08-29 17:40:19,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:40:19,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 17:40:19,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:40:19,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 17:40:19,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-08-29 17:40:19,903 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 161 [2023-08-29 17:40:19,904 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 88 transitions, 1231 flow. Second operand has 10 states, 10 states have (on average 65.1) internal successors, (651), 10 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:19,904 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:40:19,904 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 161 [2023-08-29 17:40:19,904 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:40:20,127 INFO L130 PetriNetUnfolder]: 52/187 cut-off events. [2023-08-29 17:40:20,127 INFO L131 PetriNetUnfolder]: For 2163/2170 co-relation queries the response was YES. [2023-08-29 17:40:20,128 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1483 conditions, 187 events. 52/187 cut-off events. For 2163/2170 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 906 event pairs, 0 based on Foata normal form. 11/198 useless extension candidates. Maximal degree in co-relation 1437. Up to 58 conditions per place. [2023-08-29 17:40:20,129 INFO L137 encePairwiseOnDemand]: 149/161 looper letters, 43 selfloop transitions, 19 changer transitions 35/101 dead transitions. [2023-08-29 17:40:20,129 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 101 transitions, 1591 flow [2023-08-29 17:40:20,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 17:40:20,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 17:40:20,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 688 transitions. [2023-08-29 17:40:20,134 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42732919254658386 [2023-08-29 17:40:20,134 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 688 transitions. [2023-08-29 17:40:20,134 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 688 transitions. [2023-08-29 17:40:20,135 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:40:20,135 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 688 transitions. [2023-08-29 17:40:20,137 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 68.8) internal successors, (688), 10 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:20,139 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 161.0) internal successors, (1771), 11 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:20,140 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 161.0) internal successors, (1771), 11 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:20,140 INFO L175 Difference]: Start difference. First operand has 101 places, 88 transitions, 1231 flow. Second operand 10 states and 688 transitions. [2023-08-29 17:40:20,140 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 101 transitions, 1591 flow [2023-08-29 17:40:20,152 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 101 transitions, 1500 flow, removed 19 selfloop flow, removed 7 redundant places. [2023-08-29 17:40:20,154 INFO L231 Difference]: Finished difference. Result has 102 places, 60 transitions, 819 flow [2023-08-29 17:40:20,154 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=1144, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=819, PETRI_PLACES=102, PETRI_TRANSITIONS=60} [2023-08-29 17:40:20,155 INFO L281 CegarLoopForPetriNet]: 24 programPoint places, 78 predicate places. [2023-08-29 17:40:20,155 INFO L495 AbstractCegarLoop]: Abstraction has has 102 places, 60 transitions, 819 flow [2023-08-29 17:40:20,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 65.1) internal successors, (651), 10 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:20,156 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:40:20,156 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:40:20,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-29 17:40:20,156 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-08-29 17:40:20,157 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:40:20,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1867861869, now seen corresponding path program 5 times [2023-08-29 17:40:20,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:40:20,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096606743] [2023-08-29 17:40:20,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:40:20,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:40:20,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:40:20,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:40:20,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:40:20,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096606743] [2023-08-29 17:40:20,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096606743] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:40:20,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:40:20,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 17:40:20,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142685824] [2023-08-29 17:40:20,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:40:20,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 17:40:20,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:40:20,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 17:40:20,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2023-08-29 17:40:20,893 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 161 [2023-08-29 17:40:20,894 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 60 transitions, 819 flow. Second operand has 10 states, 10 states have (on average 65.1) internal successors, (651), 10 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:20,894 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:40:20,894 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 161 [2023-08-29 17:40:20,894 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:40:21,009 INFO L130 PetriNetUnfolder]: 37/134 cut-off events. [2023-08-29 17:40:21,009 INFO L131 PetriNetUnfolder]: For 1698/1701 co-relation queries the response was YES. [2023-08-29 17:40:21,010 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1097 conditions, 134 events. 37/134 cut-off events. For 1698/1701 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 560 event pairs, 0 based on Foata normal form. 13/147 useless extension candidates. Maximal degree in co-relation 1061. Up to 47 conditions per place. [2023-08-29 17:40:21,011 INFO L137 encePairwiseOnDemand]: 151/161 looper letters, 0 selfloop transitions, 0 changer transitions 86/86 dead transitions. [2023-08-29 17:40:21,011 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 86 transitions, 1363 flow [2023-08-29 17:40:21,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 17:40:21,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 17:40:21,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 679 transitions. [2023-08-29 17:40:21,013 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4217391304347826 [2023-08-29 17:40:21,013 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 679 transitions. [2023-08-29 17:40:21,013 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 679 transitions. [2023-08-29 17:40:21,014 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:40:21,014 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 679 transitions. [2023-08-29 17:40:21,017 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 67.9) internal successors, (679), 10 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:21,020 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 161.0) internal successors, (1771), 11 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:21,020 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 161.0) internal successors, (1771), 11 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:21,020 INFO L175 Difference]: Start difference. First operand has 102 places, 60 transitions, 819 flow. Second operand 10 states and 679 transitions. [2023-08-29 17:40:21,021 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 86 transitions, 1363 flow [2023-08-29 17:40:21,027 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 86 transitions, 1002 flow, removed 30 selfloop flow, removed 34 redundant places. [2023-08-29 17:40:21,028 INFO L231 Difference]: Finished difference. Result has 66 places, 0 transitions, 0 flow [2023-08-29 17:40:21,028 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=602, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=0, PETRI_PLACES=66, PETRI_TRANSITIONS=0} [2023-08-29 17:40:21,030 INFO L281 CegarLoopForPetriNet]: 24 programPoint places, 42 predicate places. [2023-08-29 17:40:21,030 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 0 transitions, 0 flow [2023-08-29 17:40:21,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 65.1) internal successors, (651), 10 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:40:21,032 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 4 remaining) [2023-08-29 17:40:21,033 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-08-29 17:40:21,033 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 4 remaining) [2023-08-29 17:40:21,033 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 4 remaining) [2023-08-29 17:40:21,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-29 17:40:21,033 INFO L445 BasicCegarLoop]: Path program histogram: [5, 5, 1, 1] [2023-08-29 17:40:21,037 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 17:40:21,037 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 17:40:21,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 05:40:21 BasicIcfg [2023-08-29 17:40:21,041 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 17:40:21,042 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 17:40:21,042 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 17:40:21,042 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 17:40:21,042 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 05:40:04" (3/4) ... [2023-08-29 17:40:21,044 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 17:40:21,049 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-08-29 17:40:21,054 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-08-29 17:40:21,054 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-08-29 17:40:21,054 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 17:40:21,085 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 17:40:21,086 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 17:40:21,086 INFO L158 Benchmark]: Toolchain (without parser) took 17658.86ms. Allocated memory was 67.1MB in the beginning and 281.0MB in the end (delta: 213.9MB). Free memory was 41.5MB in the beginning and 242.4MB in the end (delta: -200.9MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2023-08-29 17:40:21,087 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 67.1MB. Free memory was 44.2MB in the beginning and 44.2MB in the end (delta: 46.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 17:40:21,087 INFO L158 Benchmark]: CACSL2BoogieTranslator took 606.21ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 41.4MB in the beginning and 53.6MB in the end (delta: -12.2MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2023-08-29 17:40:21,087 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.78ms. Allocated memory is still 90.2MB. Free memory was 53.6MB in the beginning and 51.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 17:40:21,088 INFO L158 Benchmark]: Boogie Preprocessor took 24.69ms. Allocated memory is still 90.2MB. Free memory was 51.4MB in the beginning and 49.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 17:40:21,088 INFO L158 Benchmark]: RCFGBuilder took 493.88ms. Allocated memory is still 90.2MB. Free memory was 49.8MB in the beginning and 62.3MB in the end (delta: -12.5MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2023-08-29 17:40:21,088 INFO L158 Benchmark]: TraceAbstraction took 16426.78ms. Allocated memory was 90.2MB in the beginning and 281.0MB in the end (delta: 190.8MB). Free memory was 61.9MB in the beginning and 244.5MB in the end (delta: -182.6MB). Peak memory consumption was 168.0MB. Max. memory is 16.1GB. [2023-08-29 17:40:21,088 INFO L158 Benchmark]: Witness Printer took 44.22ms. Allocated memory is still 281.0MB. Free memory was 244.5MB in the beginning and 242.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 17:40:21,090 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 67.1MB. Free memory was 44.2MB in the beginning and 44.2MB in the end (delta: 46.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 606.21ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 41.4MB in the beginning and 53.6MB in the end (delta: -12.2MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.78ms. Allocated memory is still 90.2MB. Free memory was 53.6MB in the beginning and 51.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.69ms. Allocated memory is still 90.2MB. Free memory was 51.4MB in the beginning and 49.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 493.88ms. Allocated memory is still 90.2MB. Free memory was 49.8MB in the beginning and 62.3MB in the end (delta: -12.5MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. * TraceAbstraction took 16426.78ms. Allocated memory was 90.2MB in the beginning and 281.0MB in the end (delta: 190.8MB). Free memory was 61.9MB in the beginning and 244.5MB in the end (delta: -182.6MB). Peak memory consumption was 168.0MB. Max. memory is 16.1GB. * Witness Printer took 44.22ms. Allocated memory is still 281.0MB. Free memory was 244.5MB in the beginning and 242.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.1s, 89 PlacesBefore, 24 PlacesAfterwards, 86 TransitionsBefore, 20 TransitionsAfterwards, 570 CoEnabledTransitionPairs, 7 FixpointIterations, 51 TrivialSequentialCompositions, 16 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 0 ConcurrentYvCompositions, 1 ChoiceCompositions, 72 TotalNumberOfCompositions, 2736 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 871, independent: 625, independent conditional: 0, independent unconditional: 625, dependent: 246, dependent conditional: 0, dependent unconditional: 246, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 278, independent: 254, independent conditional: 0, independent unconditional: 254, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 871, independent: 371, independent conditional: 0, independent unconditional: 371, dependent: 222, dependent conditional: 0, dependent unconditional: 222, unknown: 278, unknown conditional: 0, unknown unconditional: 278] , Statistics on independence cache: Total cache size (in pairs): 52, Positive cache size: 36, Positive conditional cache size: 0, Positive unconditional cache size: 36, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 1022]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 996]: 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 3 procedures, 105 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 16.3s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 5.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2136 SdHoareTripleChecker+Valid, 3.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1692 mSDsluCounter, 189 SdHoareTripleChecker+Invalid, 3.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 156 mSDsCounter, 432 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4879 IncrementalHoareTripleChecker+Invalid, 5311 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 432 mSolverCounterUnsat, 33 mSDtfsCounter, 4879 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 120 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1630occurred in iteration=6, InterpolantAutomatonStates: 117, 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, 0.2s SatisfiabilityAnalysisTime, 6.0s InterpolantComputationTime, 138 NumberOfCodeBlocks, 138 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 126 ConstructedInterpolants, 0 QuantifiedInterpolants, 3305 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 17:40:21,119 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