./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/valid-memsafety.prp --file ../../../trunk/examples/svcomp/pthread-ext/03_incdec.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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/AutomizerMemDerefMemtrack.xml -i ../../../trunk/examples/svcomp/pthread-ext/03_incdec.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c1c717c54832d7b18d55a1459c6f740661389c67176a032001ce64e3c282b955 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 19:48:26,416 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 19:48:26,419 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 19:48:26,462 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 19:48:26,464 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 19:48:26,467 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 19:48:26,469 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 19:48:26,471 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 19:48:26,473 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 19:48:26,478 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 19:48:26,479 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 19:48:26,481 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 19:48:26,481 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 19:48:26,483 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 19:48:26,485 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 19:48:26,490 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 19:48:26,491 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 19:48:26,492 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 19:48:26,494 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 19:48:26,498 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 19:48:26,500 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 19:48:26,501 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 19:48:26,502 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 19:48:26,502 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 19:48:26,508 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 19:48:26,509 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 19:48:26,509 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 19:48:26,511 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 19:48:26,512 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 19:48:26,512 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 19:48:26,513 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 19:48:26,519 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 19:48:26,521 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 19:48:26,522 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 19:48:26,523 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 19:48:26,523 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 19:48:26,523 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 19:48:26,524 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 19:48:26,524 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 19:48:26,525 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 19:48:26,534 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 19:48:26,535 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-08-29 19:48:26,568 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 19:48:26,569 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 19:48:26,570 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 19:48:26,570 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 19:48:26,571 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 19:48:26,571 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 19:48:26,572 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 19:48:26,572 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 19:48:26,572 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 19:48:26,573 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 19:48:26,574 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 19:48:26,574 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 19:48:26,574 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 19:48:26,574 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 19:48:26,574 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 19:48:26,575 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-29 19:48:26,575 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-29 19:48:26,575 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-29 19:48:26,575 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 19:48:26,575 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-29 19:48:26,576 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 19:48:26,576 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 19:48:26,576 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 19:48:26,576 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 19:48:26,576 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 19:48:26,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 19:48:26,577 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 19:48:26,577 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 19:48:26,577 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 19:48:26,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 19:48:26,578 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 19:48:26,578 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 19:48:26,578 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 19:48:26,579 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 19:48:26,579 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c1c717c54832d7b18d55a1459c6f740661389c67176a032001ce64e3c282b955 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 19:48:26,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 19:48:26,888 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 19:48:26,891 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 19:48:26,892 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 19:48:26,892 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 19:48:26,893 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/03_incdec.i [2023-08-29 19:48:28,181 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 19:48:28,403 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 19:48:28,404 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/03_incdec.i [2023-08-29 19:48:28,416 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/764530848/155e8ac1070d43e9a6c6beea1af72488/FLAGc0b90f434 [2023-08-29 19:48:28,430 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/764530848/155e8ac1070d43e9a6c6beea1af72488 [2023-08-29 19:48:28,432 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 19:48:28,433 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 19:48:28,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 19:48:28,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 19:48:28,439 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 19:48:28,440 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 07:48:28" (1/1) ... [2023-08-29 19:48:28,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28304ca1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:48:28, skipping insertion in model container [2023-08-29 19:48:28,441 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 07:48:28" (1/1) ... [2023-08-29 19:48:28,457 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 19:48:28,510 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 19:48:28,747 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/03_incdec.i[30534,30547] [2023-08-29 19:48:28,756 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/03_incdec.i[30928,30941] [2023-08-29 19:48:28,762 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 19:48:28,774 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 19:48:28,826 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/03_incdec.i[30534,30547] [2023-08-29 19:48:28,834 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/03_incdec.i[30928,30941] [2023-08-29 19:48:28,842 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 19:48:28,884 INFO L208 MainTranslator]: Completed translation [2023-08-29 19:48:28,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:48:28 WrapperNode [2023-08-29 19:48:28,885 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 19:48:28,887 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 19:48:28,887 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 19:48:28,887 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 19:48:28,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:48:28" (1/1) ... [2023-08-29 19:48:28,911 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:48:28" (1/1) ... [2023-08-29 19:48:28,936 INFO L138 Inliner]: procedures = 172, calls = 24, calls flagged for inlining = 16, calls inlined = 24, statements flattened = 134 [2023-08-29 19:48:28,937 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 19:48:28,937 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 19:48:28,937 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 19:48:28,937 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 19:48:28,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:48:28" (1/1) ... [2023-08-29 19:48:28,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:48:28" (1/1) ... [2023-08-29 19:48:28,947 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:48:28" (1/1) ... [2023-08-29 19:48:28,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:48:28" (1/1) ... [2023-08-29 19:48:28,953 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:48:28" (1/1) ... [2023-08-29 19:48:28,956 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:48:28" (1/1) ... [2023-08-29 19:48:28,958 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:48:28" (1/1) ... [2023-08-29 19:48:28,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:48:28" (1/1) ... [2023-08-29 19:48:28,962 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 19:48:28,962 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 19:48:28,963 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 19:48:28,963 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 19:48:28,963 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:48:28" (1/1) ... [2023-08-29 19:48:28,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 19:48:28,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 19:48:28,991 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 19:48:29,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 19:48:29,020 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-08-29 19:48:29,020 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-08-29 19:48:29,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 19:48:29,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 19:48:29,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 19:48:29,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 19:48:29,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 19:48:29,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 19:48:29,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 19:48:29,022 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 19:48:29,117 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 19:48:29,119 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 19:48:29,392 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 19:48:29,497 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 19:48:29,497 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-08-29 19:48:29,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 07:48:29 BoogieIcfgContainer [2023-08-29 19:48:29,500 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 19:48:29,502 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 19:48:29,502 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 19:48:29,505 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 19:48:29,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 07:48:28" (1/3) ... [2023-08-29 19:48:29,505 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c617f87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 07:48:29, skipping insertion in model container [2023-08-29 19:48:29,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:48:28" (2/3) ... [2023-08-29 19:48:29,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c617f87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 07:48:29, skipping insertion in model container [2023-08-29 19:48:29,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 07:48:29" (3/3) ... [2023-08-29 19:48:29,507 INFO L112 eAbstractionObserver]: Analyzing ICFG 03_incdec.i [2023-08-29 19:48:29,522 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 19:48:29,523 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2023-08-29 19:48:29,523 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 19:48:29,605 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-29 19:48:29,633 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 84 places, 87 transitions, 179 flow [2023-08-29 19:48:29,730 INFO L130 PetriNetUnfolder]: 7/102 cut-off events. [2023-08-29 19:48:29,731 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 19:48:29,737 INFO L83 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 102 events. 7/102 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 215 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 70. Up to 4 conditions per place. [2023-08-29 19:48:29,738 INFO L82 GeneralOperation]: Start removeDead. Operand has 84 places, 87 transitions, 179 flow [2023-08-29 19:48:29,742 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 84 places, 87 transitions, 179 flow [2023-08-29 19:48:29,745 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 19:48:29,755 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 87 transitions, 179 flow [2023-08-29 19:48:29,757 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 87 transitions, 179 flow [2023-08-29 19:48:29,758 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 84 places, 87 transitions, 179 flow [2023-08-29 19:48:29,775 INFO L130 PetriNetUnfolder]: 7/102 cut-off events. [2023-08-29 19:48:29,775 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 19:48:29,776 INFO L83 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 102 events. 7/102 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 215 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 70. Up to 4 conditions per place. [2023-08-29 19:48:29,778 INFO L119 LiptonReduction]: Number of co-enabled transitions 1908 [2023-08-29 19:48:34,557 INFO L134 LiptonReduction]: Checked pairs total: 1928 [2023-08-29 19:48:34,559 INFO L136 LiptonReduction]: Total number of compositions: 115 [2023-08-29 19:48:34,583 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 19:48:34,590 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=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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;@1b1245d9, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 19:48:34,590 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2023-08-29 19:48:34,592 INFO L130 PetriNetUnfolder]: 0/1 cut-off events. [2023-08-29 19:48:34,592 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 19:48:34,593 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:48:34,594 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2023-08-29 19:48:34,595 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, thr1Err0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2023-08-29 19:48:34,599 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:48:34,600 INFO L85 PathProgramCache]: Analyzing trace with hash 18526, now seen corresponding path program 1 times [2023-08-29 19:48:34,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:48:34,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157453136] [2023-08-29 19:48:34,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:48:34,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:48:34,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:48:34,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 19:48:34,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:48:34,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157453136] [2023-08-29 19:48:34,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157453136] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:48:34,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:48:34,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-29 19:48:34,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765524637] [2023-08-29 19:48:34,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:48:34,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 19:48:34,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:48:34,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 19:48:34,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 19:48:34,755 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 202 [2023-08-29 19:48:34,757 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 15 places, 12 transitions, 29 flow. Second operand has 2 states, 2 states have (on average 71.0) internal successors, (142), 2 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:34,757 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:48:34,757 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 202 [2023-08-29 19:48:34,758 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:48:34,788 INFO L130 PetriNetUnfolder]: 4/19 cut-off events. [2023-08-29 19:48:34,788 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 19:48:34,789 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43 conditions, 19 events. 4/19 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 32 event pairs, 4 based on Foata normal form. 0/13 useless extension candidates. Maximal degree in co-relation 26. Up to 19 conditions per place. [2023-08-29 19:48:34,790 INFO L137 encePairwiseOnDemand]: 198/202 looper letters, 7 selfloop transitions, 0 changer transitions 1/8 dead transitions. [2023-08-29 19:48:34,790 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 12 places, 8 transitions, 35 flow [2023-08-29 19:48:34,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 19:48:34,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 19:48:34,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 151 transitions. [2023-08-29 19:48:34,804 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.37376237623762376 [2023-08-29 19:48:34,804 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 151 transitions. [2023-08-29 19:48:34,805 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 151 transitions. [2023-08-29 19:48:34,806 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:48:34,808 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 151 transitions. [2023-08-29 19:48:34,814 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 75.5) internal successors, (151), 2 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:34,817 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 202.0) internal successors, (606), 3 states have internal predecessors, (606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:34,817 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 202.0) internal successors, (606), 3 states have internal predecessors, (606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:34,819 INFO L175 Difference]: Start difference. First operand has 15 places, 12 transitions, 29 flow. Second operand 2 states and 151 transitions. [2023-08-29 19:48:34,820 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 12 places, 8 transitions, 35 flow [2023-08-29 19:48:34,821 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 12 places, 8 transitions, 35 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 19:48:34,822 INFO L231 Difference]: Finished difference. Result has 12 places, 7 transitions, 17 flow [2023-08-29 19:48:34,824 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=21, PETRI_DIFFERENCE_MINUEND_PLACES=11, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=8, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=8, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=17, PETRI_PLACES=12, PETRI_TRANSITIONS=7} [2023-08-29 19:48:34,829 INFO L281 CegarLoopForPetriNet]: 15 programPoint places, -3 predicate places. [2023-08-29 19:48:34,829 INFO L495 AbstractCegarLoop]: Abstraction has has 12 places, 7 transitions, 17 flow [2023-08-29 19:48:34,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 71.0) internal successors, (142), 2 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:34,830 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:48:34,830 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2023-08-29 19:48:34,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 19:48:34,831 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, thr1Err0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2023-08-29 19:48:34,832 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:48:34,832 INFO L85 PathProgramCache]: Analyzing trace with hash 18543, now seen corresponding path program 1 times [2023-08-29 19:48:34,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:48:34,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923231746] [2023-08-29 19:48:34,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:48:34,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:48:34,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:48:35,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 19:48:35,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:48:35,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923231746] [2023-08-29 19:48:35,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923231746] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:48:35,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:48:35,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-29 19:48:35,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38828176] [2023-08-29 19:48:35,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:48:35,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 19:48:35,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:48:35,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 19:48:35,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 19:48:35,024 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 202 [2023-08-29 19:48:35,025 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 12 places, 7 transitions, 17 flow. Second operand has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:35,025 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:48:35,025 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 202 [2023-08-29 19:48:35,025 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:48:35,038 INFO L130 PetriNetUnfolder]: 3/14 cut-off events. [2023-08-29 19:48:35,039 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 19:48:35,039 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34 conditions, 14 events. 3/14 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 16 event pairs, 3 based on Foata normal form. 0/11 useless extension candidates. Maximal degree in co-relation 30. Up to 14 conditions per place. [2023-08-29 19:48:35,039 INFO L137 encePairwiseOnDemand]: 200/202 looper letters, 5 selfloop transitions, 1 changer transitions 0/6 dead transitions. [2023-08-29 19:48:35,039 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 12 places, 6 transitions, 27 flow [2023-08-29 19:48:35,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 19:48:35,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 19:48:35,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 202 transitions. [2023-08-29 19:48:35,047 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3333333333333333 [2023-08-29 19:48:35,047 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 202 transitions. [2023-08-29 19:48:35,047 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 202 transitions. [2023-08-29 19:48:35,048 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:48:35,048 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 202 transitions. [2023-08-29 19:48:35,049 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:35,051 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 202.0) internal successors, (808), 4 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:35,051 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 202.0) internal successors, (808), 4 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:35,051 INFO L175 Difference]: Start difference. First operand has 12 places, 7 transitions, 17 flow. Second operand 3 states and 202 transitions. [2023-08-29 19:48:35,051 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 12 places, 6 transitions, 27 flow [2023-08-29 19:48:35,052 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 12 places, 6 transitions, 27 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 19:48:35,052 INFO L231 Difference]: Finished difference. Result has 12 places, 6 transitions, 17 flow [2023-08-29 19:48:35,052 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=15, PETRI_DIFFERENCE_MINUEND_PLACES=10, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=6, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=5, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=17, PETRI_PLACES=12, PETRI_TRANSITIONS=6} [2023-08-29 19:48:35,053 INFO L281 CegarLoopForPetriNet]: 15 programPoint places, -3 predicate places. [2023-08-29 19:48:35,053 INFO L495 AbstractCegarLoop]: Abstraction has has 12 places, 6 transitions, 17 flow [2023-08-29 19:48:35,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:35,053 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:48:35,053 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2023-08-29 19:48:35,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 19:48:35,054 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, thr1Err0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2023-08-29 19:48:35,054 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:48:35,054 INFO L85 PathProgramCache]: Analyzing trace with hash 18542, now seen corresponding path program 1 times [2023-08-29 19:48:35,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:48:35,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672610761] [2023-08-29 19:48:35,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:48:35,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:48:35,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:48:35,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 19:48:35,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:48:35,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672610761] [2023-08-29 19:48:35,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672610761] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:48:35,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:48:35,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-29 19:48:35,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334496709] [2023-08-29 19:48:35,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:48:35,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 19:48:35,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:48:35,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 19:48:35,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 19:48:35,105 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 202 [2023-08-29 19:48:35,106 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 12 places, 6 transitions, 17 flow. Second operand has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:35,106 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:48:35,106 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 202 [2023-08-29 19:48:35,106 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:48:35,115 INFO L130 PetriNetUnfolder]: 2/10 cut-off events. [2023-08-29 19:48:35,116 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 19:48:35,118 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28 conditions, 10 events. 2/10 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 7 event pairs, 2 based on Foata normal form. 0/10 useless extension candidates. Maximal degree in co-relation 23. Up to 10 conditions per place. [2023-08-29 19:48:35,118 INFO L137 encePairwiseOnDemand]: 200/202 looper letters, 0 selfloop transitions, 0 changer transitions 5/5 dead transitions. [2023-08-29 19:48:35,118 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 13 places, 5 transitions, 25 flow [2023-08-29 19:48:35,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 19:48:35,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 19:48:35,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 198 transitions. [2023-08-29 19:48:35,122 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.32673267326732675 [2023-08-29 19:48:35,122 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 198 transitions. [2023-08-29 19:48:35,122 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 198 transitions. [2023-08-29 19:48:35,123 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:48:35,123 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 198 transitions. [2023-08-29 19:48:35,123 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:35,125 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 202.0) internal successors, (808), 4 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:35,127 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 202.0) internal successors, (808), 4 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:35,127 INFO L175 Difference]: Start difference. First operand has 12 places, 6 transitions, 17 flow. Second operand 3 states and 198 transitions. [2023-08-29 19:48:35,127 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 13 places, 5 transitions, 25 flow [2023-08-29 19:48:35,127 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 12 places, 5 transitions, 24 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 19:48:35,127 INFO L231 Difference]: Finished difference. Result has 12 places, 0 transitions, 0 flow [2023-08-29 19:48:35,128 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=14, PETRI_DIFFERENCE_MINUEND_PLACES=10, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=5, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=5, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=12, PETRI_TRANSITIONS=0} [2023-08-29 19:48:35,128 INFO L281 CegarLoopForPetriNet]: 15 programPoint places, -3 predicate places. [2023-08-29 19:48:35,129 INFO L495 AbstractCegarLoop]: Abstraction has has 12 places, 0 transitions, 0 flow [2023-08-29 19:48:35,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:35,131 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 7 remaining) [2023-08-29 19:48:35,132 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (5 of 7 remaining) [2023-08-29 19:48:35,132 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONMEMORY_LEAK (4 of 7 remaining) [2023-08-29 19:48:35,133 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONMEMORY_LEAK (3 of 7 remaining) [2023-08-29 19:48:35,133 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONMEMORY_LEAK (2 of 7 remaining) [2023-08-29 19:48:35,133 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2023-08-29 19:48:35,134 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 7 remaining) [2023-08-29 19:48:35,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 19:48:35,134 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-08-29 19:48:35,136 INFO L307 ceAbstractionStarter]: Result for error location AllErrorsAtOnce was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/2) [2023-08-29 19:48:35,145 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 84 places, 87 transitions, 179 flow [2023-08-29 19:48:35,168 INFO L130 PetriNetUnfolder]: 7/102 cut-off events. [2023-08-29 19:48:35,168 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 19:48:35,170 INFO L83 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 102 events. 7/102 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 215 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 70. Up to 4 conditions per place. [2023-08-29 19:48:35,170 INFO L82 GeneralOperation]: Start removeDead. Operand has 84 places, 87 transitions, 179 flow [2023-08-29 19:48:35,171 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 84 places, 87 transitions, 179 flow [2023-08-29 19:48:35,171 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 19:48:35,171 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 87 transitions, 179 flow [2023-08-29 19:48:35,172 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 87 transitions, 179 flow [2023-08-29 19:48:35,172 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 84 places, 87 transitions, 179 flow [2023-08-29 19:48:35,199 INFO L130 PetriNetUnfolder]: 7/102 cut-off events. [2023-08-29 19:48:35,199 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 19:48:35,202 INFO L83 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 102 events. 7/102 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 215 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 70. Up to 4 conditions per place. [2023-08-29 19:48:35,203 INFO L119 LiptonReduction]: Number of co-enabled transitions 1908 [2023-08-29 19:48:39,273 INFO L134 LiptonReduction]: Checked pairs total: 1967 [2023-08-29 19:48:39,273 INFO L136 LiptonReduction]: Total number of compositions: 117 [2023-08-29 19:48:39,277 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-29 19:48:39,283 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=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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;@1b1245d9, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 19:48:39,283 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-29 19:48:39,286 INFO L130 PetriNetUnfolder]: 0/16 cut-off events. [2023-08-29 19:48:39,286 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 19:48:39,286 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:48:39,286 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1] [2023-08-29 19:48:39,286 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-29 19:48:39,288 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:48:39,292 INFO L85 PathProgramCache]: Analyzing trace with hash -737994748, now seen corresponding path program 1 times [2023-08-29 19:48:39,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:48:39,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152606898] [2023-08-29 19:48:39,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:48:39,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:48:39,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 19:48:39,320 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-29 19:48:39,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 19:48:39,350 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-29 19:48:39,351 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-29 19:48:39,351 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-29 19:48:39,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 19:48:39,351 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-29 19:48:39,352 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (2/2) [2023-08-29 19:48:39,352 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-29 19:48:39,353 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2023-08-29 19:48:39,377 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-29 19:48:39,379 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 135 places, 141 transitions, 294 flow [2023-08-29 19:48:39,396 INFO L130 PetriNetUnfolder]: 13/173 cut-off events. [2023-08-29 19:48:39,396 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 19:48:39,397 INFO L83 FinitePrefix]: Finished finitePrefix Result has 183 conditions, 173 events. 13/173 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 560 event pairs, 0 based on Foata normal form. 0/144 useless extension candidates. Maximal degree in co-relation 123. Up to 6 conditions per place. [2023-08-29 19:48:39,398 INFO L82 GeneralOperation]: Start removeDead. Operand has 135 places, 141 transitions, 294 flow [2023-08-29 19:48:39,399 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 135 places, 141 transitions, 294 flow [2023-08-29 19:48:39,399 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 19:48:39,399 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 135 places, 141 transitions, 294 flow [2023-08-29 19:48:39,400 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 135 places, 141 transitions, 294 flow [2023-08-29 19:48:39,400 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 135 places, 141 transitions, 294 flow [2023-08-29 19:48:39,415 INFO L130 PetriNetUnfolder]: 13/173 cut-off events. [2023-08-29 19:48:39,415 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 19:48:39,417 INFO L83 FinitePrefix]: Finished finitePrefix Result has 183 conditions, 173 events. 13/173 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 560 event pairs, 0 based on Foata normal form. 0/144 useless extension candidates. Maximal degree in co-relation 123. Up to 6 conditions per place. [2023-08-29 19:48:39,421 INFO L119 LiptonReduction]: Number of co-enabled transitions 9540 [2023-08-29 19:48:41,782 INFO L134 LiptonReduction]: Checked pairs total: 33554 [2023-08-29 19:48:41,782 INFO L136 LiptonReduction]: Total number of compositions: 112 [2023-08-29 19:48:41,784 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 19:48:41,785 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=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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;@1b1245d9, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 19:48:41,785 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2023-08-29 19:48:41,786 INFO L130 PetriNetUnfolder]: 0/1 cut-off events. [2023-08-29 19:48:41,786 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 19:48:41,787 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:48:41,787 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2023-08-29 19:48:41,787 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [thr1Err1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0ASSERT_VIOLATIONMEMORY_LEAK (and 6 more)] === [2023-08-29 19:48:41,787 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:48:41,787 INFO L85 PathProgramCache]: Analyzing trace with hash 32513, now seen corresponding path program 1 times [2023-08-29 19:48:41,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:48:41,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282812425] [2023-08-29 19:48:41,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:48:41,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:48:41,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:48:41,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 19:48:41,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:48:41,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282812425] [2023-08-29 19:48:41,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282812425] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:48:41,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:48:41,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-29 19:48:41,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142339580] [2023-08-29 19:48:41,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:48:41,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 19:48:41,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:48:41,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 19:48:41,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 19:48:41,801 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 253 [2023-08-29 19:48:41,801 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 65 transitions, 142 flow. Second operand has 2 states, 2 states have (on average 110.0) internal successors, (220), 2 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:41,802 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:48:41,802 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 253 [2023-08-29 19:48:41,802 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:48:42,025 INFO L130 PetriNetUnfolder]: 991/1939 cut-off events. [2023-08-29 19:48:42,025 INFO L131 PetriNetUnfolder]: For 37/37 co-relation queries the response was YES. [2023-08-29 19:48:42,028 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3469 conditions, 1939 events. 991/1939 cut-off events. For 37/37 co-relation queries the response was YES. Maximal size of possible extension queue 172. Compared 13655 event pairs, 727 based on Foata normal form. 44/1439 useless extension candidates. Maximal degree in co-relation 1034. Up to 1480 conditions per place. [2023-08-29 19:48:42,037 INFO L137 encePairwiseOnDemand]: 248/253 looper letters, 31 selfloop transitions, 0 changer transitions 0/58 dead transitions. [2023-08-29 19:48:42,037 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 58 transitions, 190 flow [2023-08-29 19:48:42,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 19:48:42,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 19:48:42,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 254 transitions. [2023-08-29 19:48:42,039 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5019762845849802 [2023-08-29 19:48:42,039 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 254 transitions. [2023-08-29 19:48:42,039 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 254 transitions. [2023-08-29 19:48:42,039 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:48:42,039 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 254 transitions. [2023-08-29 19:48:42,040 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 127.0) internal successors, (254), 2 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:42,043 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 253.0) internal successors, (759), 3 states have internal predecessors, (759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:42,043 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 253.0) internal successors, (759), 3 states have internal predecessors, (759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:42,043 INFO L175 Difference]: Start difference. First operand has 61 places, 65 transitions, 142 flow. Second operand 2 states and 254 transitions. [2023-08-29 19:48:42,043 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 58 transitions, 190 flow [2023-08-29 19:48:42,044 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 58 transitions, 188 flow, removed 1 selfloop flow, removed 0 redundant places. [2023-08-29 19:48:42,046 INFO L231 Difference]: Finished difference. Result has 58 places, 58 transitions, 126 flow [2023-08-29 19:48:42,046 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=253, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=126, PETRI_PLACES=58, PETRI_TRANSITIONS=58} [2023-08-29 19:48:42,048 INFO L281 CegarLoopForPetriNet]: 61 programPoint places, -3 predicate places. [2023-08-29 19:48:42,049 INFO L495 AbstractCegarLoop]: Abstraction has has 58 places, 58 transitions, 126 flow [2023-08-29 19:48:42,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 110.0) internal successors, (220), 2 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:42,049 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:48:42,049 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2023-08-29 19:48:42,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 19:48:42,050 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0ASSERT_VIOLATIONMEMORY_LEAK (and 6 more)] === [2023-08-29 19:48:42,050 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:48:42,050 INFO L85 PathProgramCache]: Analyzing trace with hash 32534, now seen corresponding path program 1 times [2023-08-29 19:48:42,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:48:42,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417160938] [2023-08-29 19:48:42,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:48:42,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:48:42,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:48:42,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 19:48:42,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:48:42,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417160938] [2023-08-29 19:48:42,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417160938] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:48:42,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:48:42,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-29 19:48:42,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032265235] [2023-08-29 19:48:42,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:48:42,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 19:48:42,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:48:42,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 19:48:42,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 19:48:42,121 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 253 [2023-08-29 19:48:42,122 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 58 transitions, 126 flow. Second operand has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:42,122 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:48:42,122 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 253 [2023-08-29 19:48:42,123 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:48:42,273 INFO L130 PetriNetUnfolder]: 716/1432 cut-off events. [2023-08-29 19:48:42,273 INFO L131 PetriNetUnfolder]: For 31/31 co-relation queries the response was YES. [2023-08-29 19:48:42,275 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2560 conditions, 1432 events. 716/1432 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 9561 event pairs, 518 based on Foata normal form. 0/1080 useless extension candidates. Maximal degree in co-relation 2555. Up to 1082 conditions per place. [2023-08-29 19:48:42,280 INFO L137 encePairwiseOnDemand]: 251/253 looper letters, 29 selfloop transitions, 1 changer transitions 0/57 dead transitions. [2023-08-29 19:48:42,281 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 57 transitions, 184 flow [2023-08-29 19:48:42,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 19:48:42,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 19:48:42,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 340 transitions. [2023-08-29 19:48:42,283 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4479578392621871 [2023-08-29 19:48:42,286 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 340 transitions. [2023-08-29 19:48:42,286 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 340 transitions. [2023-08-29 19:48:42,286 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:48:42,286 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 340 transitions. [2023-08-29 19:48:42,287 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 113.33333333333333) internal successors, (340), 3 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:42,289 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 253.0) internal successors, (1012), 4 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:42,290 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 253.0) internal successors, (1012), 4 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:42,290 INFO L175 Difference]: Start difference. First operand has 58 places, 58 transitions, 126 flow. Second operand 3 states and 340 transitions. [2023-08-29 19:48:42,290 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 57 transitions, 184 flow [2023-08-29 19:48:42,291 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 57 transitions, 184 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 19:48:42,292 INFO L231 Difference]: Finished difference. Result has 59 places, 57 transitions, 126 flow [2023-08-29 19:48:42,296 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=253, PETRI_DIFFERENCE_MINUEND_FLOW=124, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=126, PETRI_PLACES=59, PETRI_TRANSITIONS=57} [2023-08-29 19:48:42,297 INFO L281 CegarLoopForPetriNet]: 61 programPoint places, -2 predicate places. [2023-08-29 19:48:42,297 INFO L495 AbstractCegarLoop]: Abstraction has has 59 places, 57 transitions, 126 flow [2023-08-29 19:48:42,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:42,298 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:48:42,298 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2023-08-29 19:48:42,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 19:48:42,298 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0ASSERT_VIOLATIONMEMORY_LEAK (and 6 more)] === [2023-08-29 19:48:42,299 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:48:42,299 INFO L85 PathProgramCache]: Analyzing trace with hash 32535, now seen corresponding path program 1 times [2023-08-29 19:48:42,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:48:42,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245493380] [2023-08-29 19:48:42,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:48:42,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:48:42,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:48:42,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 19:48:42,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:48:42,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245493380] [2023-08-29 19:48:42,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245493380] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:48:42,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:48:42,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-29 19:48:42,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942692946] [2023-08-29 19:48:42,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:48:42,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 19:48:42,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:48:42,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 19:48:42,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 19:48:42,372 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 253 [2023-08-29 19:48:42,372 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 57 transitions, 126 flow. Second operand has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:42,372 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:48:42,373 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 253 [2023-08-29 19:48:42,373 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:48:42,472 INFO L130 PetriNetUnfolder]: 441/925 cut-off events. [2023-08-29 19:48:42,473 INFO L131 PetriNetUnfolder]: For 31/31 co-relation queries the response was YES. [2023-08-29 19:48:42,474 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1658 conditions, 925 events. 441/925 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 5670 event pairs, 309 based on Foata normal form. 0/765 useless extension candidates. Maximal degree in co-relation 1652. Up to 685 conditions per place. [2023-08-29 19:48:42,477 INFO L137 encePairwiseOnDemand]: 251/253 looper letters, 28 selfloop transitions, 1 changer transitions 0/56 dead transitions. [2023-08-29 19:48:42,478 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 56 transitions, 182 flow [2023-08-29 19:48:42,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 19:48:42,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 19:48:42,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 345 transitions. [2023-08-29 19:48:42,479 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45454545454545453 [2023-08-29 19:48:42,480 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 345 transitions. [2023-08-29 19:48:42,480 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 345 transitions. [2023-08-29 19:48:42,480 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:48:42,480 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 345 transitions. [2023-08-29 19:48:42,481 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 115.0) internal successors, (345), 3 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:42,483 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 253.0) internal successors, (1012), 4 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:42,483 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 253.0) internal successors, (1012), 4 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:42,484 INFO L175 Difference]: Start difference. First operand has 59 places, 57 transitions, 126 flow. Second operand 3 states and 345 transitions. [2023-08-29 19:48:42,484 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 56 transitions, 182 flow [2023-08-29 19:48:42,486 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 56 transitions, 181 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 19:48:42,487 INFO L231 Difference]: Finished difference. Result has 59 places, 56 transitions, 125 flow [2023-08-29 19:48:42,487 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=253, PETRI_DIFFERENCE_MINUEND_FLOW=123, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=125, PETRI_PLACES=59, PETRI_TRANSITIONS=56} [2023-08-29 19:48:42,489 INFO L281 CegarLoopForPetriNet]: 61 programPoint places, -2 predicate places. [2023-08-29 19:48:42,489 INFO L495 AbstractCegarLoop]: Abstraction has has 59 places, 56 transitions, 125 flow [2023-08-29 19:48:42,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:42,490 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:48:42,490 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:48:42,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 19:48:42,490 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONMEMORY_LEAK === [thr1Err1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0ASSERT_VIOLATIONMEMORY_LEAK (and 6 more)] === [2023-08-29 19:48:42,490 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:48:42,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1092122840, now seen corresponding path program 1 times [2023-08-29 19:48:42,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:48:42,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009615557] [2023-08-29 19:48:42,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:48:42,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:48:42,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:48:42,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 19:48:42,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:48:42,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009615557] [2023-08-29 19:48:42,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009615557] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:48:42,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:48:42,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 19:48:42,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723710567] [2023-08-29 19:48:42,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:48:42,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-29 19:48:42,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:48:42,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-29 19:48:42,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-08-29 19:48:42,790 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 253 [2023-08-29 19:48:42,790 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 56 transitions, 125 flow. Second operand has 5 states, 5 states have (on average 95.8) internal successors, (479), 5 states have internal predecessors, (479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:42,790 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:48:42,791 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 253 [2023-08-29 19:48:42,791 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:48:43,039 INFO L130 PetriNetUnfolder]: 650/1286 cut-off events. [2023-08-29 19:48:43,041 INFO L131 PetriNetUnfolder]: For 31/31 co-relation queries the response was YES. [2023-08-29 19:48:43,042 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2465 conditions, 1286 events. 650/1286 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 8236 event pairs, 183 based on Foata normal form. 24/1198 useless extension candidates. Maximal degree in co-relation 2459. Up to 364 conditions per place. [2023-08-29 19:48:43,046 INFO L137 encePairwiseOnDemand]: 241/253 looper letters, 61 selfloop transitions, 10 changer transitions 8/95 dead transitions. [2023-08-29 19:48:43,046 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 95 transitions, 371 flow [2023-08-29 19:48:43,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 19:48:43,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 19:48:43,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 651 transitions. [2023-08-29 19:48:43,049 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4288537549407115 [2023-08-29 19:48:43,049 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 651 transitions. [2023-08-29 19:48:43,049 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 651 transitions. [2023-08-29 19:48:43,049 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:48:43,050 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 651 transitions. [2023-08-29 19:48:43,052 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 108.5) internal successors, (651), 6 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 19:48:43,056 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 253.0) internal successors, (1771), 7 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 19:48:43,056 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 253.0) internal successors, (1771), 7 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 19:48:43,056 INFO L175 Difference]: Start difference. First operand has 59 places, 56 transitions, 125 flow. Second operand 6 states and 651 transitions. [2023-08-29 19:48:43,056 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 95 transitions, 371 flow [2023-08-29 19:48:43,058 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 95 transitions, 370 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 19:48:43,059 INFO L231 Difference]: Finished difference. Result has 67 places, 58 transitions, 178 flow [2023-08-29 19:48:43,060 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=253, PETRI_DIFFERENCE_MINUEND_FLOW=124, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=178, PETRI_PLACES=67, PETRI_TRANSITIONS=58} [2023-08-29 19:48:43,061 INFO L281 CegarLoopForPetriNet]: 61 programPoint places, 6 predicate places. [2023-08-29 19:48:43,061 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 58 transitions, 178 flow [2023-08-29 19:48:43,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 95.8) internal successors, (479), 5 states have internal predecessors, (479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:43,061 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:48:43,061 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:48:43,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 19:48:43,062 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONMEMORY_LEAK === [thr1Err1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0ASSERT_VIOLATIONMEMORY_LEAK (and 6 more)] === [2023-08-29 19:48:43,062 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:48:43,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1120601456, now seen corresponding path program 1 times [2023-08-29 19:48:43,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:48:43,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731026174] [2023-08-29 19:48:43,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:48:43,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:48:43,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:48:43,219 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 19:48:43,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:48:43,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731026174] [2023-08-29 19:48:43,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731026174] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:48:43,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:48:43,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 19:48:43,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84239804] [2023-08-29 19:48:43,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:48:43,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-29 19:48:43,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:48:43,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-29 19:48:43,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-08-29 19:48:43,297 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 253 [2023-08-29 19:48:43,297 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 58 transitions, 178 flow. Second operand has 5 states, 5 states have (on average 96.0) internal successors, (480), 5 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:43,297 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:48:43,297 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 253 [2023-08-29 19:48:43,297 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:48:43,532 INFO L130 PetriNetUnfolder]: 616/1247 cut-off events. [2023-08-29 19:48:43,533 INFO L131 PetriNetUnfolder]: For 302/304 co-relation queries the response was YES. [2023-08-29 19:48:43,535 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2639 conditions, 1247 events. 616/1247 cut-off events. For 302/304 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 8207 event pairs, 167 based on Foata normal form. 38/1229 useless extension candidates. Maximal degree in co-relation 2629. Up to 389 conditions per place. [2023-08-29 19:48:43,539 INFO L137 encePairwiseOnDemand]: 245/253 looper letters, 53 selfloop transitions, 12 changer transitions 9/91 dead transitions. [2023-08-29 19:48:43,540 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 91 transitions, 413 flow [2023-08-29 19:48:43,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 19:48:43,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 19:48:43,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 638 transitions. [2023-08-29 19:48:43,542 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42028985507246375 [2023-08-29 19:48:43,542 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 638 transitions. [2023-08-29 19:48:43,543 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 638 transitions. [2023-08-29 19:48:43,543 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:48:43,543 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 638 transitions. [2023-08-29 19:48:43,545 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 106.33333333333333) internal successors, (638), 6 states have internal predecessors, (638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:43,547 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 253.0) internal successors, (1771), 7 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 19:48:43,547 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 253.0) internal successors, (1771), 7 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 19:48:43,547 INFO L175 Difference]: Start difference. First operand has 67 places, 58 transitions, 178 flow. Second operand 6 states and 638 transitions. [2023-08-29 19:48:43,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 91 transitions, 413 flow [2023-08-29 19:48:43,550 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 91 transitions, 413 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 19:48:43,551 INFO L231 Difference]: Finished difference. Result has 72 places, 58 transitions, 227 flow [2023-08-29 19:48:43,551 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=253, PETRI_DIFFERENCE_MINUEND_FLOW=178, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=227, PETRI_PLACES=72, PETRI_TRANSITIONS=58} [2023-08-29 19:48:43,552 INFO L281 CegarLoopForPetriNet]: 61 programPoint places, 11 predicate places. [2023-08-29 19:48:43,552 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 58 transitions, 227 flow [2023-08-29 19:48:43,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 96.0) internal successors, (480), 5 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:43,552 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:48:43,552 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:48:43,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-29 19:48:43,553 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONMEMORY_LEAK === [thr1Err1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0ASSERT_VIOLATIONMEMORY_LEAK (and 6 more)] === [2023-08-29 19:48:43,553 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:48:43,553 INFO L85 PathProgramCache]: Analyzing trace with hash 709441526, now seen corresponding path program 1 times [2023-08-29 19:48:43,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:48:43,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095985806] [2023-08-29 19:48:43,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:48:43,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:48:43,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:48:43,611 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 19:48:43,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:48:43,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095985806] [2023-08-29 19:48:43,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095985806] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:48:43,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:48:43,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 19:48:43,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511671794] [2023-08-29 19:48:43,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:48:43,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 19:48:43,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:48:43,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 19:48:43,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 19:48:43,623 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 253 [2023-08-29 19:48:43,624 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 58 transitions, 227 flow. Second operand has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:43,624 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:48:43,624 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 253 [2023-08-29 19:48:43,625 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:48:43,737 INFO L130 PetriNetUnfolder]: 436/968 cut-off events. [2023-08-29 19:48:43,738 INFO L131 PetriNetUnfolder]: For 252/268 co-relation queries the response was YES. [2023-08-29 19:48:43,740 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2044 conditions, 968 events. 436/968 cut-off events. For 252/268 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 6514 event pairs, 303 based on Foata normal form. 20/938 useless extension candidates. Maximal degree in co-relation 2031. Up to 594 conditions per place. [2023-08-29 19:48:43,743 INFO L137 encePairwiseOnDemand]: 249/253 looper letters, 33 selfloop transitions, 2 changer transitions 2/66 dead transitions. [2023-08-29 19:48:43,743 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 66 transitions, 317 flow [2023-08-29 19:48:43,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 19:48:43,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 19:48:43,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 349 transitions. [2023-08-29 19:48:43,745 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4598155467720685 [2023-08-29 19:48:43,745 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 349 transitions. [2023-08-29 19:48:43,745 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 349 transitions. [2023-08-29 19:48:43,746 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:48:43,746 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 349 transitions. [2023-08-29 19:48:43,747 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 116.33333333333333) internal successors, (349), 3 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:43,748 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 253.0) internal successors, (1012), 4 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:43,748 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 253.0) internal successors, (1012), 4 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:43,748 INFO L175 Difference]: Start difference. First operand has 72 places, 58 transitions, 227 flow. Second operand 3 states and 349 transitions. [2023-08-29 19:48:43,749 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 66 transitions, 317 flow [2023-08-29 19:48:43,751 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 66 transitions, 317 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 19:48:43,752 INFO L231 Difference]: Finished difference. Result has 73 places, 56 transitions, 233 flow [2023-08-29 19:48:43,752 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=253, PETRI_DIFFERENCE_MINUEND_FLOW=227, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=233, PETRI_PLACES=73, PETRI_TRANSITIONS=56} [2023-08-29 19:48:43,753 INFO L281 CegarLoopForPetriNet]: 61 programPoint places, 12 predicate places. [2023-08-29 19:48:43,753 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 56 transitions, 233 flow [2023-08-29 19:48:43,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:43,753 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:48:43,753 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:48:43,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-29 19:48:43,754 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err1ASSERT_VIOLATIONMEMORY_LEAK === [thr1Err1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0ASSERT_VIOLATIONMEMORY_LEAK (and 6 more)] === [2023-08-29 19:48:43,754 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:48:43,754 INFO L85 PathProgramCache]: Analyzing trace with hash 1080725819, now seen corresponding path program 1 times [2023-08-29 19:48:43,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:48:43,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168113042] [2023-08-29 19:48:43,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:48:43,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:48:43,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:48:43,802 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 19:48:43,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:48:43,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168113042] [2023-08-29 19:48:43,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168113042] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:48:43,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:48:43,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 19:48:43,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640891996] [2023-08-29 19:48:43,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:48:43,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 19:48:43,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:48:43,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 19:48:43,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 19:48:43,811 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 253 [2023-08-29 19:48:43,812 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 56 transitions, 233 flow. Second operand has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:43,812 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:48:43,812 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 253 [2023-08-29 19:48:43,812 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:48:43,919 INFO L130 PetriNetUnfolder]: 430/937 cut-off events. [2023-08-29 19:48:43,919 INFO L131 PetriNetUnfolder]: For 373/373 co-relation queries the response was YES. [2023-08-29 19:48:43,921 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2095 conditions, 937 events. 430/937 cut-off events. For 373/373 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 6162 event pairs, 212 based on Foata normal form. 18/916 useless extension candidates. Maximal degree in co-relation 2080. Up to 740 conditions per place. [2023-08-29 19:48:43,924 INFO L137 encePairwiseOnDemand]: 248/253 looper letters, 23 selfloop transitions, 2 changer transitions 18/61 dead transitions. [2023-08-29 19:48:43,924 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 61 transitions, 320 flow [2023-08-29 19:48:43,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 19:48:43,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 19:48:43,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 346 transitions. [2023-08-29 19:48:43,926 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45586297760210803 [2023-08-29 19:48:43,926 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 346 transitions. [2023-08-29 19:48:43,926 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 346 transitions. [2023-08-29 19:48:43,927 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:48:43,927 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 346 transitions. [2023-08-29 19:48:43,928 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 115.33333333333333) internal successors, (346), 3 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:43,929 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 253.0) internal successors, (1012), 4 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:43,929 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 253.0) internal successors, (1012), 4 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:43,930 INFO L175 Difference]: Start difference. First operand has 73 places, 56 transitions, 233 flow. Second operand 3 states and 346 transitions. [2023-08-29 19:48:43,930 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 61 transitions, 320 flow [2023-08-29 19:48:43,932 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 61 transitions, 318 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 19:48:43,933 INFO L231 Difference]: Finished difference. Result has 72 places, 39 transitions, 189 flow [2023-08-29 19:48:43,933 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=253, PETRI_DIFFERENCE_MINUEND_FLOW=225, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=189, PETRI_PLACES=72, PETRI_TRANSITIONS=39} [2023-08-29 19:48:43,934 INFO L281 CegarLoopForPetriNet]: 61 programPoint places, 11 predicate places. [2023-08-29 19:48:43,934 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 39 transitions, 189 flow [2023-08-29 19:48:43,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:43,934 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:48:43,934 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:48:43,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-29 19:48:43,935 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err0ASSERT_VIOLATIONMEMORY_LEAK === [thr1Err1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0ASSERT_VIOLATIONMEMORY_LEAK (and 6 more)] === [2023-08-29 19:48:43,935 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:48:43,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1126331465, now seen corresponding path program 1 times [2023-08-29 19:48:43,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:48:43,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392308053] [2023-08-29 19:48:43,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:48:43,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:48:43,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:48:44,048 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 19:48:44,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:48:44,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392308053] [2023-08-29 19:48:44,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392308053] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:48:44,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:48:44,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-29 19:48:44,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562314911] [2023-08-29 19:48:44,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:48:44,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 19:48:44,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:48:44,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 19:48:44,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-08-29 19:48:44,151 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 253 [2023-08-29 19:48:44,152 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 39 transitions, 189 flow. Second operand has 6 states, 6 states have (on average 93.16666666666667) internal successors, (559), 6 states have internal predecessors, (559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:44,152 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:48:44,152 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 253 [2023-08-29 19:48:44,152 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:48:44,350 INFO L130 PetriNetUnfolder]: 544/1135 cut-off events. [2023-08-29 19:48:44,351 INFO L131 PetriNetUnfolder]: For 1021/1041 co-relation queries the response was YES. [2023-08-29 19:48:44,353 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2819 conditions, 1135 events. 544/1135 cut-off events. For 1021/1041 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 7706 event pairs, 252 based on Foata normal form. 38/1171 useless extension candidates. Maximal degree in co-relation 2804. Up to 688 conditions per place. [2023-08-29 19:48:44,357 INFO L137 encePairwiseOnDemand]: 244/253 looper letters, 42 selfloop transitions, 13 changer transitions 2/67 dead transitions. [2023-08-29 19:48:44,357 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 67 transitions, 416 flow [2023-08-29 19:48:44,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-29 19:48:44,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-29 19:48:44,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 693 transitions. [2023-08-29 19:48:44,360 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.391304347826087 [2023-08-29 19:48:44,360 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 693 transitions. [2023-08-29 19:48:44,360 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 693 transitions. [2023-08-29 19:48:44,361 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:48:44,361 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 693 transitions. [2023-08-29 19:48:44,362 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 99.0) internal successors, (693), 7 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:44,365 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 253.0) internal successors, (2024), 8 states have internal predecessors, (2024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:44,365 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 253.0) internal successors, (2024), 8 states have internal predecessors, (2024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:44,365 INFO L175 Difference]: Start difference. First operand has 72 places, 39 transitions, 189 flow. Second operand 7 states and 693 transitions. [2023-08-29 19:48:44,365 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 67 transitions, 416 flow [2023-08-29 19:48:44,368 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 67 transitions, 405 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 19:48:44,369 INFO L231 Difference]: Finished difference. Result has 62 places, 46 transitions, 276 flow [2023-08-29 19:48:44,369 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=253, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=276, PETRI_PLACES=62, PETRI_TRANSITIONS=46} [2023-08-29 19:48:44,370 INFO L281 CegarLoopForPetriNet]: 61 programPoint places, 1 predicate places. [2023-08-29 19:48:44,370 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 46 transitions, 276 flow [2023-08-29 19:48:44,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 93.16666666666667) internal successors, (559), 6 states have internal predecessors, (559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:44,370 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:48:44,370 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:48:44,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-29 19:48:44,371 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err0ASSERT_VIOLATIONMEMORY_LEAK === [thr1Err1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0ASSERT_VIOLATIONMEMORY_LEAK (and 6 more)] === [2023-08-29 19:48:44,371 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:48:44,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1319906541, now seen corresponding path program 2 times [2023-08-29 19:48:44,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:48:44,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136154584] [2023-08-29 19:48:44,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:48:44,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:48:44,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:48:44,493 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 19:48:44,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:48:44,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136154584] [2023-08-29 19:48:44,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136154584] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:48:44,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:48:44,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-29 19:48:44,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449951943] [2023-08-29 19:48:44,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:48:44,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 19:48:44,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:48:44,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 19:48:44,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-08-29 19:48:44,604 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 253 [2023-08-29 19:48:44,605 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 46 transitions, 276 flow. Second operand has 6 states, 6 states have (on average 93.16666666666667) internal successors, (559), 6 states have internal predecessors, (559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:44,605 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:48:44,605 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 253 [2023-08-29 19:48:44,606 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:48:44,835 INFO L130 PetriNetUnfolder]: 676/1405 cut-off events. [2023-08-29 19:48:44,835 INFO L131 PetriNetUnfolder]: For 1949/1981 co-relation queries the response was YES. [2023-08-29 19:48:44,838 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3684 conditions, 1405 events. 676/1405 cut-off events. For 1949/1981 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 10069 event pairs, 226 based on Foata normal form. 50/1450 useless extension candidates. Maximal degree in co-relation 3667. Up to 575 conditions per place. [2023-08-29 19:48:44,842 INFO L137 encePairwiseOnDemand]: 244/253 looper letters, 40 selfloop transitions, 20 changer transitions 5/75 dead transitions. [2023-08-29 19:48:44,842 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 75 transitions, 539 flow [2023-08-29 19:48:44,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-29 19:48:44,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-29 19:48:44,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 693 transitions. [2023-08-29 19:48:44,845 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.391304347826087 [2023-08-29 19:48:44,845 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 693 transitions. [2023-08-29 19:48:44,845 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 693 transitions. [2023-08-29 19:48:44,846 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:48:44,846 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 693 transitions. [2023-08-29 19:48:44,847 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 99.0) internal successors, (693), 7 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:44,850 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 253.0) internal successors, (2024), 8 states have internal predecessors, (2024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:44,850 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 253.0) internal successors, (2024), 8 states have internal predecessors, (2024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:44,851 INFO L175 Difference]: Start difference. First operand has 62 places, 46 transitions, 276 flow. Second operand 7 states and 693 transitions. [2023-08-29 19:48:44,851 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 75 transitions, 539 flow [2023-08-29 19:48:44,855 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 75 transitions, 510 flow, removed 4 selfloop flow, removed 4 redundant places. [2023-08-29 19:48:44,857 INFO L231 Difference]: Finished difference. Result has 66 places, 51 transitions, 354 flow [2023-08-29 19:48:44,857 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=253, PETRI_DIFFERENCE_MINUEND_FLOW=252, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=354, PETRI_PLACES=66, PETRI_TRANSITIONS=51} [2023-08-29 19:48:44,857 INFO L281 CegarLoopForPetriNet]: 61 programPoint places, 5 predicate places. [2023-08-29 19:48:44,858 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 51 transitions, 354 flow [2023-08-29 19:48:44,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 93.16666666666667) internal successors, (559), 6 states have internal predecessors, (559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:44,858 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:48:44,858 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:48:44,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-29 19:48:44,859 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thr1Err0ASSERT_VIOLATIONMEMORY_LEAK === [thr1Err1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0ASSERT_VIOLATIONMEMORY_LEAK (and 6 more)] === [2023-08-29 19:48:44,859 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:48:44,859 INFO L85 PathProgramCache]: Analyzing trace with hash 781666685, now seen corresponding path program 3 times [2023-08-29 19:48:44,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:48:44,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787667405] [2023-08-29 19:48:44,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:48:44,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:48:44,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:48:45,002 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 19:48:45,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:48:45,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787667405] [2023-08-29 19:48:45,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787667405] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:48:45,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:48:45,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 19:48:45,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477506442] [2023-08-29 19:48:45,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:48:45,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-08-29 19:48:45,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:48:45,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-08-29 19:48:45,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-08-29 19:48:45,132 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 253 [2023-08-29 19:48:45,133 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 51 transitions, 354 flow. Second operand has 7 states, 7 states have (on average 92.85714285714286) internal successors, (650), 7 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:45,133 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:48:45,133 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 253 [2023-08-29 19:48:45,133 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:48:45,318 INFO L130 PetriNetUnfolder]: 344/797 cut-off events. [2023-08-29 19:48:45,318 INFO L131 PetriNetUnfolder]: For 1813/1831 co-relation queries the response was YES. [2023-08-29 19:48:45,320 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2361 conditions, 797 events. 344/797 cut-off events. For 1813/1831 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 5304 event pairs, 58 based on Foata normal form. 36/829 useless extension candidates. Maximal degree in co-relation 2343. Up to 191 conditions per place. [2023-08-29 19:48:45,322 INFO L137 encePairwiseOnDemand]: 245/253 looper letters, 25 selfloop transitions, 12 changer transitions 33/78 dead transitions. [2023-08-29 19:48:45,323 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 78 transitions, 558 flow [2023-08-29 19:48:45,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-29 19:48:45,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-29 19:48:45,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 784 transitions. [2023-08-29 19:48:45,325 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.38735177865612647 [2023-08-29 19:48:45,326 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 784 transitions. [2023-08-29 19:48:45,326 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 784 transitions. [2023-08-29 19:48:45,326 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:48:45,326 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 784 transitions. [2023-08-29 19:48:45,328 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 98.0) internal successors, (784), 8 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:45,330 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 253.0) internal successors, (2277), 9 states have internal predecessors, (2277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:45,331 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 253.0) internal successors, (2277), 9 states have internal predecessors, (2277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:45,331 INFO L175 Difference]: Start difference. First operand has 66 places, 51 transitions, 354 flow. Second operand 8 states and 784 transitions. [2023-08-29 19:48:45,331 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 78 transitions, 558 flow [2023-08-29 19:48:45,336 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 78 transitions, 530 flow, removed 1 selfloop flow, removed 4 redundant places. [2023-08-29 19:48:45,337 INFO L231 Difference]: Finished difference. Result has 70 places, 37 transitions, 235 flow [2023-08-29 19:48:45,337 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=253, PETRI_DIFFERENCE_MINUEND_FLOW=326, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=235, PETRI_PLACES=70, PETRI_TRANSITIONS=37} [2023-08-29 19:48:45,337 INFO L281 CegarLoopForPetriNet]: 61 programPoint places, 9 predicate places. [2023-08-29 19:48:45,338 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 37 transitions, 235 flow [2023-08-29 19:48:45,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 92.85714285714286) internal successors, (650), 7 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:45,338 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:48:45,338 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:48:45,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-08-29 19:48:45,339 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thr1Err0ASSERT_VIOLATIONMEMORY_LEAK === [thr1Err1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err0ASSERT_VIOLATIONMEMORY_LEAK (and 6 more)] === [2023-08-29 19:48:45,339 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:48:45,339 INFO L85 PathProgramCache]: Analyzing trace with hash -881867471, now seen corresponding path program 1 times [2023-08-29 19:48:45,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:48:45,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363623201] [2023-08-29 19:48:45,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:48:45,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:48:45,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:48:45,487 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 19:48:45,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:48:45,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363623201] [2023-08-29 19:48:45,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363623201] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:48:45,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:48:45,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 19:48:45,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095904535] [2023-08-29 19:48:45,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:48:45,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-08-29 19:48:45,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:48:45,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-08-29 19:48:45,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-08-29 19:48:45,640 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 253 [2023-08-29 19:48:45,641 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 37 transitions, 235 flow. Second operand has 7 states, 7 states have (on average 92.85714285714286) internal successors, (650), 7 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:45,641 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:48:45,641 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 253 [2023-08-29 19:48:45,641 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:48:45,755 INFO L130 PetriNetUnfolder]: 120/276 cut-off events. [2023-08-29 19:48:45,755 INFO L131 PetriNetUnfolder]: For 742/750 co-relation queries the response was YES. [2023-08-29 19:48:45,756 INFO L83 FinitePrefix]: Finished finitePrefix Result has 850 conditions, 276 events. 120/276 cut-off events. For 742/750 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1215 event pairs, 9 based on Foata normal form. 18/293 useless extension candidates. Maximal degree in co-relation 831. Up to 90 conditions per place. [2023-08-29 19:48:45,757 INFO L137 encePairwiseOnDemand]: 246/253 looper letters, 0 selfloop transitions, 0 changer transitions 45/45 dead transitions. [2023-08-29 19:48:45,757 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 45 transitions, 309 flow [2023-08-29 19:48:45,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-29 19:48:45,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-29 19:48:45,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 668 transitions. [2023-08-29 19:48:45,760 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3771880293619424 [2023-08-29 19:48:45,760 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 668 transitions. [2023-08-29 19:48:45,760 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 668 transitions. [2023-08-29 19:48:45,760 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:48:45,761 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 668 transitions. [2023-08-29 19:48:45,762 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 95.42857142857143) internal successors, (668), 7 states have internal predecessors, (668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:45,765 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 253.0) internal successors, (2024), 8 states have internal predecessors, (2024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:45,765 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 253.0) internal successors, (2024), 8 states have internal predecessors, (2024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:45,766 INFO L175 Difference]: Start difference. First operand has 70 places, 37 transitions, 235 flow. Second operand 7 states and 668 transitions. [2023-08-29 19:48:45,766 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 45 transitions, 309 flow [2023-08-29 19:48:45,767 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 45 transitions, 254 flow, removed 3 selfloop flow, removed 12 redundant places. [2023-08-29 19:48:45,768 INFO L231 Difference]: Finished difference. Result has 57 places, 0 transitions, 0 flow [2023-08-29 19:48:45,768 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=253, PETRI_DIFFERENCE_MINUEND_FLOW=160, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=0, PETRI_PLACES=57, PETRI_TRANSITIONS=0} [2023-08-29 19:48:45,768 INFO L281 CegarLoopForPetriNet]: 61 programPoint places, -4 predicate places. [2023-08-29 19:48:45,769 INFO L495 AbstractCegarLoop]: Abstraction has has 57 places, 0 transitions, 0 flow [2023-08-29 19:48:45,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 92.85714285714286) internal successors, (650), 7 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:45,769 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONMEMORY_LEAK (8 of 9 remaining) [2023-08-29 19:48:45,769 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 9 remaining) [2023-08-29 19:48:45,770 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONMEMORY_LEAK (6 of 9 remaining) [2023-08-29 19:48:45,772 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONMEMORY_LEAK (5 of 9 remaining) [2023-08-29 19:48:45,773 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (4 of 9 remaining) [2023-08-29 19:48:45,773 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONMEMORY_LEAK (3 of 9 remaining) [2023-08-29 19:48:45,773 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONMEMORY_LEAK (2 of 9 remaining) [2023-08-29 19:48:45,773 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONMEMORY_LEAK (1 of 9 remaining) [2023-08-29 19:48:45,773 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 9 remaining) [2023-08-29 19:48:45,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-08-29 19:48:45,774 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:48:45,774 INFO L307 ceAbstractionStarter]: Result for error location AllErrorsAtOnce was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/2) [2023-08-29 19:48:45,779 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 135 places, 141 transitions, 294 flow [2023-08-29 19:48:45,791 INFO L130 PetriNetUnfolder]: 13/173 cut-off events. [2023-08-29 19:48:45,792 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 19:48:45,793 INFO L83 FinitePrefix]: Finished finitePrefix Result has 183 conditions, 173 events. 13/173 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 560 event pairs, 0 based on Foata normal form. 0/144 useless extension candidates. Maximal degree in co-relation 123. Up to 6 conditions per place. [2023-08-29 19:48:45,793 INFO L82 GeneralOperation]: Start removeDead. Operand has 135 places, 141 transitions, 294 flow [2023-08-29 19:48:45,794 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 135 places, 141 transitions, 294 flow [2023-08-29 19:48:45,794 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 19:48:45,794 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 135 places, 141 transitions, 294 flow [2023-08-29 19:48:45,794 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 135 places, 141 transitions, 294 flow [2023-08-29 19:48:45,794 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 135 places, 141 transitions, 294 flow [2023-08-29 19:48:45,805 INFO L130 PetriNetUnfolder]: 13/173 cut-off events. [2023-08-29 19:48:45,805 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 19:48:45,806 INFO L83 FinitePrefix]: Finished finitePrefix Result has 183 conditions, 173 events. 13/173 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 560 event pairs, 0 based on Foata normal form. 0/144 useless extension candidates. Maximal degree in co-relation 123. Up to 6 conditions per place. [2023-08-29 19:48:45,810 INFO L119 LiptonReduction]: Number of co-enabled transitions 9540 [2023-08-29 19:48:48,161 INFO L134 LiptonReduction]: Checked pairs total: 34895 [2023-08-29 19:48:48,161 INFO L136 LiptonReduction]: Total number of compositions: 112 [2023-08-29 19:48:48,162 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-29 19:48:48,163 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=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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;@1b1245d9, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 19:48:48,163 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-29 19:48:48,168 INFO L130 PetriNetUnfolder]: 3/52 cut-off events. [2023-08-29 19:48:48,168 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 19:48:48,168 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:48:48,168 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2023-08-29 19:48:48,168 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-29 19:48:48,169 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:48:48,169 INFO L85 PathProgramCache]: Analyzing trace with hash 265116711, now seen corresponding path program 1 times [2023-08-29 19:48:48,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:48:48,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699988085] [2023-08-29 19:48:48,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:48:48,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:48:48,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 19:48:48,180 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-29 19:48:48,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 19:48:48,198 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-29 19:48:48,200 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-29 19:48:48,200 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-29 19:48:48,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-08-29 19:48:48,201 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-29 19:48:48,202 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (2/2) [2023-08-29 19:48:48,202 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-29 19:48:48,202 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2023-08-29 19:48:48,240 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-29 19:48:48,243 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 186 places, 195 transitions, 411 flow [2023-08-29 19:48:48,263 INFO L130 PetriNetUnfolder]: 19/244 cut-off events. [2023-08-29 19:48:48,263 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2023-08-29 19:48:48,265 INFO L83 FinitePrefix]: Finished finitePrefix Result has 260 conditions, 244 events. 19/244 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 924 event pairs, 0 based on Foata normal form. 0/203 useless extension candidates. Maximal degree in co-relation 177. Up to 8 conditions per place. [2023-08-29 19:48:48,265 INFO L82 GeneralOperation]: Start removeDead. Operand has 186 places, 195 transitions, 411 flow [2023-08-29 19:48:48,267 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 186 places, 195 transitions, 411 flow [2023-08-29 19:48:48,267 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 19:48:48,267 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 186 places, 195 transitions, 411 flow [2023-08-29 19:48:48,267 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 186 places, 195 transitions, 411 flow [2023-08-29 19:48:48,268 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 186 places, 195 transitions, 411 flow [2023-08-29 19:48:48,286 INFO L130 PetriNetUnfolder]: 19/244 cut-off events. [2023-08-29 19:48:48,286 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2023-08-29 19:48:48,302 INFO L83 FinitePrefix]: Finished finitePrefix Result has 260 conditions, 244 events. 19/244 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 924 event pairs, 0 based on Foata normal form. 0/203 useless extension candidates. Maximal degree in co-relation 177. Up to 8 conditions per place. [2023-08-29 19:48:48,313 INFO L119 LiptonReduction]: Number of co-enabled transitions 22896 [2023-08-29 19:48:51,368 INFO L134 LiptonReduction]: Checked pairs total: 88538 [2023-08-29 19:48:51,368 INFO L136 LiptonReduction]: Total number of compositions: 157 [2023-08-29 19:48:51,370 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 19:48:51,370 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=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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;@1b1245d9, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 19:48:51,370 INFO L358 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2023-08-29 19:48:51,371 INFO L130 PetriNetUnfolder]: 0/1 cut-off events. [2023-08-29 19:48:51,371 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 19:48:51,371 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:48:51,371 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2023-08-29 19:48:51,371 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1ASSERT_VIOLATIONMEMORY_LEAK, thr1Err1ASSERT_VIOLATIONMEMORY_LEAK (and 8 more)] === [2023-08-29 19:48:51,372 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:48:51,372 INFO L85 PathProgramCache]: Analyzing trace with hash 49081, now seen corresponding path program 1 times [2023-08-29 19:48:51,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:48:51,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931992089] [2023-08-29 19:48:51,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:48:51,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:48:51,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:48:51,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 19:48:51,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:48:51,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931992089] [2023-08-29 19:48:51,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931992089] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:48:51,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:48:51,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-29 19:48:51,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204263050] [2023-08-29 19:48:51,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:48:51,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 19:48:51,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:48:51,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 19:48:51,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 19:48:51,382 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 352 [2023-08-29 19:48:51,383 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 94 transitions, 209 flow. Second operand has 2 states, 2 states have (on average 149.0) internal successors, (298), 2 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:51,383 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:48:51,383 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 352 [2023-08-29 19:48:51,383 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:48:53,440 INFO L130 PetriNetUnfolder]: 15757/24695 cut-off events. [2023-08-29 19:48:53,440 INFO L131 PetriNetUnfolder]: For 814/814 co-relation queries the response was YES. [2023-08-29 19:48:53,474 INFO L83 FinitePrefix]: Finished finitePrefix Result has 45957 conditions, 24695 events. 15757/24695 cut-off events. For 814/814 co-relation queries the response was YES. Maximal size of possible extension queue 1452. Compared 197516 event pairs, 11653 based on Foata normal form. 0/19225 useless extension candidates. Maximal degree in co-relation 3439. Up to 20642 conditions per place. [2023-08-29 19:48:53,604 INFO L137 encePairwiseOnDemand]: 345/352 looper letters, 44 selfloop transitions, 0 changer transitions 0/82 dead transitions. [2023-08-29 19:48:53,604 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 82 transitions, 273 flow [2023-08-29 19:48:53,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 19:48:53,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 19:48:53,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 347 transitions. [2023-08-29 19:48:53,607 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4928977272727273 [2023-08-29 19:48:53,608 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 347 transitions. [2023-08-29 19:48:53,608 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 347 transitions. [2023-08-29 19:48:53,608 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:48:53,609 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 347 transitions. [2023-08-29 19:48:53,609 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 173.5) internal successors, (347), 2 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:53,611 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 352.0) internal successors, (1056), 3 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:53,611 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 352.0) internal successors, (1056), 3 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:53,611 INFO L175 Difference]: Start difference. First operand has 87 places, 94 transitions, 209 flow. Second operand 2 states and 347 transitions. [2023-08-29 19:48:53,611 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 82 transitions, 273 flow [2023-08-29 19:48:53,612 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 82 transitions, 267 flow, removed 3 selfloop flow, removed 0 redundant places. [2023-08-29 19:48:53,614 INFO L231 Difference]: Finished difference. Result has 81 places, 82 transitions, 179 flow [2023-08-29 19:48:53,614 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=352, PETRI_DIFFERENCE_MINUEND_FLOW=179, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=179, PETRI_PLACES=81, PETRI_TRANSITIONS=82} [2023-08-29 19:48:53,615 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, -6 predicate places. [2023-08-29 19:48:53,615 INFO L495 AbstractCegarLoop]: Abstraction has has 81 places, 82 transitions, 179 flow [2023-08-29 19:48:53,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 149.0) internal successors, (298), 2 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:53,615 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:48:53,615 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2023-08-29 19:48:53,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-08-29 19:48:53,616 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1ASSERT_VIOLATIONMEMORY_LEAK, thr1Err1ASSERT_VIOLATIONMEMORY_LEAK (and 8 more)] === [2023-08-29 19:48:53,616 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:48:53,616 INFO L85 PathProgramCache]: Analyzing trace with hash 49096, now seen corresponding path program 1 times [2023-08-29 19:48:53,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:48:53,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527072645] [2023-08-29 19:48:53,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:48:53,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:48:53,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:48:53,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 19:48:53,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:48:53,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527072645] [2023-08-29 19:48:53,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527072645] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:48:53,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:48:53,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-29 19:48:53,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957584832] [2023-08-29 19:48:53,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:48:53,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 19:48:53,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:48:53,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 19:48:53,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 19:48:53,661 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 352 [2023-08-29 19:48:53,662 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 82 transitions, 179 flow. Second operand has 3 states, 3 states have (on average 144.66666666666666) internal successors, (434), 3 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:53,662 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:48:53,662 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 352 [2023-08-29 19:48:53,662 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:48:54,950 INFO L130 PetriNetUnfolder]: 11543/18286 cut-off events. [2023-08-29 19:48:54,950 INFO L131 PetriNetUnfolder]: For 346/346 co-relation queries the response was YES. [2023-08-29 19:48:54,967 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33908 conditions, 18286 events. 11543/18286 cut-off events. For 346/346 co-relation queries the response was YES. Maximal size of possible extension queue 1060. Compared 141792 event pairs, 8465 based on Foata normal form. 0/14745 useless extension candidates. Maximal degree in co-relation 33902. Up to 15206 conditions per place. [2023-08-29 19:48:55,040 INFO L137 encePairwiseOnDemand]: 350/352 looper letters, 42 selfloop transitions, 1 changer transitions 0/81 dead transitions. [2023-08-29 19:48:55,040 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 81 transitions, 263 flow [2023-08-29 19:48:55,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 19:48:55,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 19:48:55,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 476 transitions. [2023-08-29 19:48:55,042 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45075757575757575 [2023-08-29 19:48:55,042 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 476 transitions. [2023-08-29 19:48:55,042 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 476 transitions. [2023-08-29 19:48:55,043 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:48:55,043 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 476 transitions. [2023-08-29 19:48:55,044 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 158.66666666666666) internal successors, (476), 3 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:55,046 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 352.0) internal successors, (1408), 4 states have internal predecessors, (1408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:55,046 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 352.0) internal successors, (1408), 4 states have internal predecessors, (1408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:55,046 INFO L175 Difference]: Start difference. First operand has 81 places, 82 transitions, 179 flow. Second operand 3 states and 476 transitions. [2023-08-29 19:48:55,046 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 81 transitions, 263 flow [2023-08-29 19:48:55,047 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 81 transitions, 263 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 19:48:55,048 INFO L231 Difference]: Finished difference. Result has 82 places, 81 transitions, 179 flow [2023-08-29 19:48:55,048 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=352, PETRI_DIFFERENCE_MINUEND_FLOW=177, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=179, PETRI_PLACES=82, PETRI_TRANSITIONS=81} [2023-08-29 19:48:55,049 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, -5 predicate places. [2023-08-29 19:48:55,049 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 81 transitions, 179 flow [2023-08-29 19:48:55,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 144.66666666666666) internal successors, (434), 3 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:55,050 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:48:55,050 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2023-08-29 19:48:55,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-08-29 19:48:55,050 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1ASSERT_VIOLATIONMEMORY_LEAK, thr1Err1ASSERT_VIOLATIONMEMORY_LEAK (and 8 more)] === [2023-08-29 19:48:55,050 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:48:55,050 INFO L85 PathProgramCache]: Analyzing trace with hash 49095, now seen corresponding path program 1 times [2023-08-29 19:48:55,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:48:55,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563063107] [2023-08-29 19:48:55,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:48:55,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:48:55,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:48:55,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 19:48:55,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:48:55,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563063107] [2023-08-29 19:48:55,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563063107] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:48:55,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:48:55,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-29 19:48:55,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124208481] [2023-08-29 19:48:55,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:48:55,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 19:48:55,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:48:55,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 19:48:55,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 19:48:55,093 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 352 [2023-08-29 19:48:55,094 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 81 transitions, 179 flow. Second operand has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:55,094 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:48:55,094 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 352 [2023-08-29 19:48:55,094 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:48:56,079 INFO L130 PetriNetUnfolder]: 7329/11877 cut-off events. [2023-08-29 19:48:56,080 INFO L131 PetriNetUnfolder]: For 346/346 co-relation queries the response was YES. [2023-08-29 19:48:56,088 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22066 conditions, 11877 events. 7329/11877 cut-off events. For 346/346 co-relation queries the response was YES. Maximal size of possible extension queue 674. Compared 88279 event pairs, 5277 based on Foata normal form. 0/10265 useless extension candidates. Maximal degree in co-relation 22059. Up to 9771 conditions per place. [2023-08-29 19:48:56,129 INFO L137 encePairwiseOnDemand]: 350/352 looper letters, 41 selfloop transitions, 1 changer transitions 0/80 dead transitions. [2023-08-29 19:48:56,130 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 80 transitions, 261 flow [2023-08-29 19:48:56,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 19:48:56,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 19:48:56,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 469 transitions. [2023-08-29 19:48:56,132 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4441287878787879 [2023-08-29 19:48:56,132 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 469 transitions. [2023-08-29 19:48:56,132 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 469 transitions. [2023-08-29 19:48:56,132 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:48:56,132 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 469 transitions. [2023-08-29 19:48:56,133 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 156.33333333333334) internal successors, (469), 3 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:56,135 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 352.0) internal successors, (1408), 4 states have internal predecessors, (1408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:56,135 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 352.0) internal successors, (1408), 4 states have internal predecessors, (1408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:56,136 INFO L175 Difference]: Start difference. First operand has 82 places, 81 transitions, 179 flow. Second operand 3 states and 469 transitions. [2023-08-29 19:48:56,136 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 80 transitions, 261 flow [2023-08-29 19:48:56,136 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 80 transitions, 260 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 19:48:56,137 INFO L231 Difference]: Finished difference. Result has 82 places, 80 transitions, 178 flow [2023-08-29 19:48:56,138 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=352, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=178, PETRI_PLACES=82, PETRI_TRANSITIONS=80} [2023-08-29 19:48:56,138 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, -5 predicate places. [2023-08-29 19:48:56,138 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 80 transitions, 178 flow [2023-08-29 19:48:56,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:56,139 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:48:56,139 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:48:56,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-08-29 19:48:56,139 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1ASSERT_VIOLATIONMEMORY_LEAK, thr1Err1ASSERT_VIOLATIONMEMORY_LEAK (and 8 more)] === [2023-08-29 19:48:56,139 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:48:56,139 INFO L85 PathProgramCache]: Analyzing trace with hash -209919486, now seen corresponding path program 1 times [2023-08-29 19:48:56,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:48:56,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390170757] [2023-08-29 19:48:56,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:48:56,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:48:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:48:56,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 19:48:56,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:48:56,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390170757] [2023-08-29 19:48:56,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390170757] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:48:56,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:48:56,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 19:48:56,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319670786] [2023-08-29 19:48:56,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:48:56,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-29 19:48:56,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:48:56,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-29 19:48:56,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-08-29 19:48:56,390 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 352 [2023-08-29 19:48:56,391 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 80 transitions, 178 flow. Second operand has 5 states, 5 states have (on average 129.8) internal successors, (649), 5 states have internal predecessors, (649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:56,391 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:48:56,391 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 352 [2023-08-29 19:48:56,391 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:48:58,337 INFO L130 PetriNetUnfolder]: 21127/32291 cut-off events. [2023-08-29 19:48:58,337 INFO L131 PetriNetUnfolder]: For 647/647 co-relation queries the response was YES. [2023-08-29 19:48:58,392 INFO L83 FinitePrefix]: Finished finitePrefix Result has 62634 conditions, 32291 events. 21127/32291 cut-off events. For 647/647 co-relation queries the response was YES. Maximal size of possible extension queue 1898. Compared 251652 event pairs, 6773 based on Foata normal form. 550/30184 useless extension candidates. Maximal degree in co-relation 62627. Up to 13463 conditions per place. [2023-08-29 19:48:58,513 INFO L137 encePairwiseOnDemand]: 335/352 looper letters, 156 selfloop transitions, 14 changer transitions 0/192 dead transitions. [2023-08-29 19:48:58,513 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 192 transitions, 772 flow [2023-08-29 19:48:58,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 19:48:58,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 19:48:58,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 951 transitions. [2023-08-29 19:48:58,516 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4502840909090909 [2023-08-29 19:48:58,517 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 951 transitions. [2023-08-29 19:48:58,517 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 951 transitions. [2023-08-29 19:48:58,517 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:48:58,517 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 951 transitions. [2023-08-29 19:48:58,519 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 158.5) internal successors, (951), 6 states have internal predecessors, (951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:58,522 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 352.0) internal successors, (2464), 7 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:58,522 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 352.0) internal successors, (2464), 7 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:58,522 INFO L175 Difference]: Start difference. First operand has 82 places, 80 transitions, 178 flow. Second operand 6 states and 951 transitions. [2023-08-29 19:48:58,523 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 192 transitions, 772 flow [2023-08-29 19:48:58,524 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 192 transitions, 771 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 19:48:58,526 INFO L231 Difference]: Finished difference. Result has 90 places, 94 transitions, 298 flow [2023-08-29 19:48:58,526 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=352, PETRI_DIFFERENCE_MINUEND_FLOW=177, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=298, PETRI_PLACES=90, PETRI_TRANSITIONS=94} [2023-08-29 19:48:58,527 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, 3 predicate places. [2023-08-29 19:48:58,527 INFO L495 AbstractCegarLoop]: Abstraction has has 90 places, 94 transitions, 298 flow [2023-08-29 19:48:58,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 129.8) internal successors, (649), 5 states have internal predecessors, (649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:58,527 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:48:58,528 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:48:58,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-08-29 19:48:58,528 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1ASSERT_VIOLATIONMEMORY_LEAK, thr1Err1ASSERT_VIOLATIONMEMORY_LEAK (and 8 more)] === [2023-08-29 19:48:58,528 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:48:58,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1813377585, now seen corresponding path program 1 times [2023-08-29 19:48:58,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:48:58,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768873459] [2023-08-29 19:48:58,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:48:58,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:48:58,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:48:58,610 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 19:48:58,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:48:58,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768873459] [2023-08-29 19:48:58,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768873459] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:48:58,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:48:58,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 19:48:58,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772495089] [2023-08-29 19:48:58,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:48:58,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-29 19:48:58,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:48:58,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-29 19:48:58,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-08-29 19:48:58,771 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 352 [2023-08-29 19:48:58,772 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 94 transitions, 298 flow. Second operand has 5 states, 5 states have (on average 130.0) internal successors, (650), 5 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:48:58,772 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:48:58,772 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 352 [2023-08-29 19:48:58,772 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:49:02,049 INFO L130 PetriNetUnfolder]: 27778/42956 cut-off events. [2023-08-29 19:49:02,049 INFO L131 PetriNetUnfolder]: For 12558/12816 co-relation queries the response was YES. [2023-08-29 19:49:02,134 INFO L83 FinitePrefix]: Finished finitePrefix Result has 93222 conditions, 42956 events. 27778/42956 cut-off events. For 12558/12816 co-relation queries the response was YES. Maximal size of possible extension queue 2657. Compared 356997 event pairs, 9637 based on Foata normal form. 824/42116 useless extension candidates. Maximal degree in co-relation 93211. Up to 18492 conditions per place. [2023-08-29 19:49:02,290 INFO L137 encePairwiseOnDemand]: 341/352 looper letters, 162 selfloop transitions, 21 changer transitions 0/206 dead transitions. [2023-08-29 19:49:02,291 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 206 transitions, 1006 flow [2023-08-29 19:49:02,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 19:49:02,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 19:49:02,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 938 transitions. [2023-08-29 19:49:02,294 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4441287878787879 [2023-08-29 19:49:02,294 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 938 transitions. [2023-08-29 19:49:02,294 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 938 transitions. [2023-08-29 19:49:02,295 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:49:02,295 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 938 transitions. [2023-08-29 19:49:02,297 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 156.33333333333334) internal successors, (938), 6 states have internal predecessors, (938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:49:02,300 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 352.0) internal successors, (2464), 7 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:49:02,301 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 352.0) internal successors, (2464), 7 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:49:02,301 INFO L175 Difference]: Start difference. First operand has 90 places, 94 transitions, 298 flow. Second operand 6 states and 938 transitions. [2023-08-29 19:49:02,301 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 206 transitions, 1006 flow [2023-08-29 19:49:02,332 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 206 transitions, 1006 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 19:49:02,334 INFO L231 Difference]: Finished difference. Result has 97 places, 108 transitions, 450 flow [2023-08-29 19:49:02,335 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=352, PETRI_DIFFERENCE_MINUEND_FLOW=298, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=450, PETRI_PLACES=97, PETRI_TRANSITIONS=108} [2023-08-29 19:49:02,336 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, 10 predicate places. [2023-08-29 19:49:02,336 INFO L495 AbstractCegarLoop]: Abstraction has has 97 places, 108 transitions, 450 flow [2023-08-29 19:49:02,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 130.0) internal successors, (650), 5 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:49:02,336 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:49:02,337 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:49:02,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-08-29 19:49:02,337 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1ASSERT_VIOLATIONMEMORY_LEAK, thr1Err1ASSERT_VIOLATIONMEMORY_LEAK (and 8 more)] === [2023-08-29 19:49:02,337 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:49:02,337 INFO L85 PathProgramCache]: Analyzing trace with hash -968168157, now seen corresponding path program 1 times [2023-08-29 19:49:02,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:49:02,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663449825] [2023-08-29 19:49:02,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:49:02,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:49:02,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:49:02,449 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-08-29 19:49:02,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:49:02,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663449825] [2023-08-29 19:49:02,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663449825] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:49:02,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:49:02,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 19:49:02,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537819053] [2023-08-29 19:49:02,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:49:02,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-29 19:49:02,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:49:02,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-29 19:49:02,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-08-29 19:49:02,573 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 352 [2023-08-29 19:49:02,574 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 108 transitions, 450 flow. Second operand has 5 states, 5 states have (on average 130.2) internal successors, (651), 5 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 19:49:02,575 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:49:02,575 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 352 [2023-08-29 19:49:02,575 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:49:06,628 INFO L130 PetriNetUnfolder]: 34507/53980 cut-off events. [2023-08-29 19:49:06,628 INFO L131 PetriNetUnfolder]: For 26833/27529 co-relation queries the response was YES. [2023-08-29 19:49:06,746 INFO L83 FinitePrefix]: Finished finitePrefix Result has 122975 conditions, 53980 events. 34507/53980 cut-off events. For 26833/27529 co-relation queries the response was YES. Maximal size of possible extension queue 3484. Compared 473648 event pairs, 11715 based on Foata normal form. 1226/53756 useless extension candidates. Maximal degree in co-relation 122961. Up to 21943 conditions per place. [2023-08-29 19:49:06,916 INFO L137 encePairwiseOnDemand]: 341/352 looper letters, 174 selfloop transitions, 29 changer transitions 0/227 dead transitions. [2023-08-29 19:49:06,916 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 227 transitions, 1304 flow [2023-08-29 19:49:06,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 19:49:06,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 19:49:06,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 937 transitions. [2023-08-29 19:49:06,919 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44365530303030304 [2023-08-29 19:49:06,919 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 937 transitions. [2023-08-29 19:49:06,919 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 937 transitions. [2023-08-29 19:49:06,920 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:49:06,920 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 937 transitions. [2023-08-29 19:49:06,922 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 156.16666666666666) internal successors, (937), 6 states have internal predecessors, (937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:49:06,924 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 352.0) internal successors, (2464), 7 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:49:06,925 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 352.0) internal successors, (2464), 7 states have internal predecessors, (2464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:49:06,925 INFO L175 Difference]: Start difference. First operand has 97 places, 108 transitions, 450 flow. Second operand 6 states and 937 transitions. [2023-08-29 19:49:06,925 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 227 transitions, 1304 flow [2023-08-29 19:49:06,983 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 227 transitions, 1304 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 19:49:06,985 INFO L231 Difference]: Finished difference. Result has 104 places, 127 transitions, 700 flow [2023-08-29 19:49:06,986 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=352, PETRI_DIFFERENCE_MINUEND_FLOW=450, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=700, PETRI_PLACES=104, PETRI_TRANSITIONS=127} [2023-08-29 19:49:06,986 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, 17 predicate places. [2023-08-29 19:49:06,986 INFO L495 AbstractCegarLoop]: Abstraction has has 104 places, 127 transitions, 700 flow [2023-08-29 19:49:06,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 130.2) internal successors, (651), 5 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 19:49:06,987 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:49:06,987 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:49:06,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-08-29 19:49:06,987 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1ASSERT_VIOLATIONMEMORY_LEAK, thr1Err1ASSERT_VIOLATIONMEMORY_LEAK (and 8 more)] === [2023-08-29 19:49:06,988 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:49:06,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1041552935, now seen corresponding path program 1 times [2023-08-29 19:49:06,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:49:06,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959137904] [2023-08-29 19:49:06,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:49:06,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:49:07,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:49:07,031 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 19:49:07,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:49:07,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959137904] [2023-08-29 19:49:07,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959137904] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:49:07,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:49:07,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 19:49:07,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216847306] [2023-08-29 19:49:07,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:49:07,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 19:49:07,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:49:07,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 19:49:07,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 19:49:07,045 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 352 [2023-08-29 19:49:07,046 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 127 transitions, 700 flow. Second operand has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:49:07,046 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:49:07,047 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 352 [2023-08-29 19:49:07,047 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:49:10,182 INFO L130 PetriNetUnfolder]: 23534/39666 cut-off events. [2023-08-29 19:49:10,182 INFO L131 PetriNetUnfolder]: For 12926/13706 co-relation queries the response was YES. [2023-08-29 19:49:10,280 INFO L83 FinitePrefix]: Finished finitePrefix Result has 84865 conditions, 39666 events. 23534/39666 cut-off events. For 12926/13706 co-relation queries the response was YES. Maximal size of possible extension queue 2740. Compared 377047 event pairs, 12061 based on Foata normal form. 1982/39657 useless extension candidates. Maximal degree in co-relation 84848. Up to 19139 conditions per place. [2023-08-29 19:49:10,392 INFO L137 encePairwiseOnDemand]: 346/352 looper letters, 71 selfloop transitions, 3 changer transitions 0/153 dead transitions. [2023-08-29 19:49:10,392 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 153 transitions, 914 flow [2023-08-29 19:49:10,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 19:49:10,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 19:49:10,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 497 transitions. [2023-08-29 19:49:10,394 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4706439393939394 [2023-08-29 19:49:10,394 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 497 transitions. [2023-08-29 19:49:10,394 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 497 transitions. [2023-08-29 19:49:10,395 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:49:10,395 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 497 transitions. [2023-08-29 19:49:10,396 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 165.66666666666666) internal successors, (497), 3 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 19:49:10,397 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 352.0) internal successors, (1408), 4 states have internal predecessors, (1408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:49:10,398 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 352.0) internal successors, (1408), 4 states have internal predecessors, (1408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:49:10,398 INFO L175 Difference]: Start difference. First operand has 104 places, 127 transitions, 700 flow. Second operand 3 states and 497 transitions. [2023-08-29 19:49:10,398 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 153 transitions, 914 flow [2023-08-29 19:49:10,433 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 153 transitions, 914 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 19:49:10,435 INFO L231 Difference]: Finished difference. Result has 108 places, 130 transitions, 730 flow [2023-08-29 19:49:10,435 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=352, PETRI_DIFFERENCE_MINUEND_FLOW=700, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=730, PETRI_PLACES=108, PETRI_TRANSITIONS=130} [2023-08-29 19:49:10,435 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, 21 predicate places. [2023-08-29 19:49:10,436 INFO L495 AbstractCegarLoop]: Abstraction has has 108 places, 130 transitions, 730 flow [2023-08-29 19:49:10,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:49:10,436 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:49:10,436 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:49:10,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-08-29 19:49:10,437 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1ASSERT_VIOLATIONMEMORY_LEAK, thr1Err1ASSERT_VIOLATIONMEMORY_LEAK (and 8 more)] === [2023-08-29 19:49:10,437 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:49:10,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1826680565, now seen corresponding path program 1 times [2023-08-29 19:49:10,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:49:10,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58307472] [2023-08-29 19:49:10,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:49:10,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:49:10,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:49:10,476 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 19:49:10,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:49:10,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58307472] [2023-08-29 19:49:10,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58307472] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:49:10,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:49:10,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 19:49:10,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276602951] [2023-08-29 19:49:10,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:49:10,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 19:49:10,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:49:10,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 19:49:10,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 19:49:10,489 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 352 [2023-08-29 19:49:10,490 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 130 transitions, 730 flow. Second operand has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:49:10,490 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:49:10,490 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 352 [2023-08-29 19:49:10,490 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:49:11,640 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1221] L725-->L725-1: Formula: (and (not (= |v_thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1_11| 0)) (= |v_thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1_11| |v_thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1_11|) (= |v_thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1_11| (ite (= (mod v_~m~0_125 4294967296) 1) 1 0)) (= v_~m~0_124 0)) InVars {~m~0=v_~m~0_125} OutVars{~m~0=v_~m~0_124, thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1_11|, thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1_11|} AuxVars[] AssignedVars[~m~0, thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1, thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1][121], [Black: 222#(and (<= (div ~value~0 4294967296) (div |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 4294967296)) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), 111#thr1EXITtrue, Black: 217#(and (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), 189#true, 240#(= ~dec_flag~0 1), 108#L738-5true, Black: 229#(and (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0)), 246#(= ~inc_flag~0 1), Black: 234#(and (<= (+ |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0) (<= (div ~value~0 4294967296) (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296))), 203#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), 214#true, Black: 208#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), 147#L725-1true, Black: 206#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 ~value~0) (<= ~value~0 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 238#true, 194#(and (= |ULTIMATE.start_main_~#t~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t~0#1.base|) 4)), Black: 202#(and (<= 0 ~value~0) (<= ~value~0 0)), thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, 123#L711-1true, 198#(= (select |#valid| |ULTIMATE.start_main_~#t~0#1.base|) 1), thr1Thread3of3ForFork0InUse, 226#true]) [2023-08-29 19:49:11,641 INFO L383 tUnfolder$Statistics]: this new event has 32 ancestors and is cut-off event [2023-08-29 19:49:11,641 INFO L386 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2023-08-29 19:49:11,641 INFO L386 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2023-08-29 19:49:11,641 INFO L386 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2023-08-29 19:49:11,673 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1327] L725-->L725-1: Formula: (and (= |v_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1_11| (ite (= (mod v_~m~0_125 4294967296) 1) 1 0)) (= |v_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1_11| |v_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1_11|) (not (= |v_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1_11| 0)) (= v_~m~0_124 0)) InVars {~m~0=v_~m~0_125} OutVars{thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1_11|, ~m~0=v_~m~0_124, thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1_11|} AuxVars[] AssignedVars[~m~0, thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1, thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1][91], [Black: 222#(and (<= (div ~value~0 4294967296) (div |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 4294967296)) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), Black: 217#(and (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), 189#true, 240#(= ~dec_flag~0 1), 44#L725-1true, 229#(and (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0)), 108#L738-5true, 151#thr1EXITtrue, 246#(= ~inc_flag~0 1), Black: 234#(and (<= (+ |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0) (<= (div ~value~0 4294967296) (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296))), 214#true, Black: 208#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), Black: 238#true, Black: 206#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 ~value~0) (<= ~value~0 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), 194#(and (= |ULTIMATE.start_main_~#t~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t~0#1.base|) 4)), 179#L711-1true, Black: 203#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), 200#true, Black: 202#(and (<= 0 ~value~0) (<= ~value~0 0)), thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, 198#(= (select |#valid| |ULTIMATE.start_main_~#t~0#1.base|) 1), thr1Thread3of3ForFork0InUse]) [2023-08-29 19:49:11,673 INFO L383 tUnfolder$Statistics]: this new event has 32 ancestors and is cut-off event [2023-08-29 19:49:11,674 INFO L386 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2023-08-29 19:49:11,674 INFO L386 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2023-08-29 19:49:11,674 INFO L386 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2023-08-29 19:49:11,676 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1221] L725-->L725-1: Formula: (and (not (= |v_thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1_11| 0)) (= |v_thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1_11| |v_thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1_11|) (= |v_thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1_11| (ite (= (mod v_~m~0_125 4294967296) 1) 1 0)) (= v_~m~0_124 0)) InVars {~m~0=v_~m~0_125} OutVars{~m~0=v_~m~0_124, thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1_11|, thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1_11|} AuxVars[] AssignedVars[~m~0, thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1, thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1][121], [Black: 222#(and (<= (div ~value~0 4294967296) (div |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 4294967296)) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), 189#true, 240#(= ~dec_flag~0 1), 108#L738-5true, 151#thr1EXITtrue, Black: 229#(and (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0)), 246#(= ~inc_flag~0 1), Black: 234#(and (<= (+ |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0) (<= (div ~value~0 4294967296) (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296))), 217#(and (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), Black: 208#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), Black: 206#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 ~value~0) (<= ~value~0 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), 147#L725-1true, Black: 238#true, 194#(and (= |ULTIMATE.start_main_~#t~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t~0#1.base|) 4)), 200#true, Black: 203#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 202#(and (<= 0 ~value~0) (<= ~value~0 0)), thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, 7#L711-1true, 198#(= (select |#valid| |ULTIMATE.start_main_~#t~0#1.base|) 1), thr1Thread3of3ForFork0InUse, 226#true]) [2023-08-29 19:49:11,677 INFO L383 tUnfolder$Statistics]: this new event has 32 ancestors and is cut-off event [2023-08-29 19:49:11,677 INFO L386 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2023-08-29 19:49:11,677 INFO L386 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2023-08-29 19:49:11,677 INFO L386 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2023-08-29 19:49:11,873 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1221] L725-->L725-1: Formula: (and (not (= |v_thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1_11| 0)) (= |v_thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1_11| |v_thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1_11|) (= |v_thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1_11| (ite (= (mod v_~m~0_125 4294967296) 1) 1 0)) (= v_~m~0_124 0)) InVars {~m~0=v_~m~0_125} OutVars{~m~0=v_~m~0_124, thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1_11|, thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1_11|} AuxVars[] AssignedVars[~m~0, thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1, thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1][121], [Black: 222#(and (<= (div ~value~0 4294967296) (div |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 4294967296)) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), 111#thr1EXITtrue, Black: 217#(and (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), 189#true, 240#(= ~dec_flag~0 1), 77#L712true, 108#L738-5true, Black: 229#(and (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0)), 246#(= ~inc_flag~0 1), Black: 234#(and (<= (+ |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0) (<= (div ~value~0 4294967296) (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296))), 203#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), 214#true, Black: 208#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), Black: 206#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 ~value~0) (<= ~value~0 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 238#true, 147#L725-1true, 194#(and (= |ULTIMATE.start_main_~#t~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t~0#1.base|) 4)), Black: 202#(and (<= 0 ~value~0) (<= ~value~0 0)), thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, 198#(= (select |#valid| |ULTIMATE.start_main_~#t~0#1.base|) 1), thr1Thread3of3ForFork0InUse, 226#true]) [2023-08-29 19:49:11,873 INFO L383 tUnfolder$Statistics]: this new event has 33 ancestors and is cut-off event [2023-08-29 19:49:11,873 INFO L386 tUnfolder$Statistics]: existing Event has 27 ancestors and is cut-off event [2023-08-29 19:49:11,873 INFO L386 tUnfolder$Statistics]: existing Event has 27 ancestors and is cut-off event [2023-08-29 19:49:11,874 INFO L386 tUnfolder$Statistics]: existing Event has 33 ancestors and is cut-off event [2023-08-29 19:49:11,902 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1327] L725-->L725-1: Formula: (and (= |v_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1_11| (ite (= (mod v_~m~0_125 4294967296) 1) 1 0)) (= |v_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1_11| |v_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1_11|) (not (= |v_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1_11| 0)) (= v_~m~0_124 0)) InVars {~m~0=v_~m~0_125} OutVars{thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1_11|, ~m~0=v_~m~0_124, thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1_11|} AuxVars[] AssignedVars[~m~0, thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1, thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1][91], [Black: 222#(and (<= (div ~value~0 4294967296) (div |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 4294967296)) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), Black: 217#(and (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), 189#true, 240#(= ~dec_flag~0 1), 44#L725-1true, 229#(and (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0)), 108#L738-5true, 151#thr1EXITtrue, 246#(= ~inc_flag~0 1), Black: 234#(and (<= (+ |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0) (<= (div ~value~0 4294967296) (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296))), 214#true, Black: 208#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), Black: 238#true, Black: 206#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 ~value~0) (<= ~value~0 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), 194#(and (= |ULTIMATE.start_main_~#t~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t~0#1.base|) 4)), Black: 203#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), 200#true, Black: 202#(and (<= 0 ~value~0) (<= ~value~0 0)), thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, 198#(= (select |#valid| |ULTIMATE.start_main_~#t~0#1.base|) 1), thr1Thread3of3ForFork0InUse, 89#L712true]) [2023-08-29 19:49:11,902 INFO L383 tUnfolder$Statistics]: this new event has 33 ancestors and is cut-off event [2023-08-29 19:49:11,902 INFO L386 tUnfolder$Statistics]: existing Event has 27 ancestors and is cut-off event [2023-08-29 19:49:11,902 INFO L386 tUnfolder$Statistics]: existing Event has 33 ancestors and is cut-off event [2023-08-29 19:49:11,902 INFO L386 tUnfolder$Statistics]: existing Event has 27 ancestors and is cut-off event [2023-08-29 19:49:11,904 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1221] L725-->L725-1: Formula: (and (not (= |v_thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1_11| 0)) (= |v_thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1_11| |v_thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1_11|) (= |v_thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1_11| (ite (= (mod v_~m~0_125 4294967296) 1) 1 0)) (= v_~m~0_124 0)) InVars {~m~0=v_~m~0_125} OutVars{~m~0=v_~m~0_124, thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1_11|, thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1_11|} AuxVars[] AssignedVars[~m~0, thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1, thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1][121], [Black: 222#(and (<= (div ~value~0 4294967296) (div |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 4294967296)) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), 189#true, 240#(= ~dec_flag~0 1), 108#L738-5true, 151#thr1EXITtrue, Black: 229#(and (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0)), 246#(= ~inc_flag~0 1), Black: 234#(and (<= (+ |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0) (<= (div ~value~0 4294967296) (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296))), 217#(and (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), Black: 208#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), 147#L725-1true, Black: 206#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 ~value~0) (<= ~value~0 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 238#true, 194#(and (= |ULTIMATE.start_main_~#t~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t~0#1.base|) 4)), 200#true, Black: 203#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 202#(and (<= 0 ~value~0) (<= ~value~0 0)), thr1Thread1of3ForFork0InUse, 12#L712true, thr1Thread2of3ForFork0InUse, 198#(= (select |#valid| |ULTIMATE.start_main_~#t~0#1.base|) 1), thr1Thread3of3ForFork0InUse, 226#true]) [2023-08-29 19:49:11,904 INFO L383 tUnfolder$Statistics]: this new event has 33 ancestors and is cut-off event [2023-08-29 19:49:11,904 INFO L386 tUnfolder$Statistics]: existing Event has 27 ancestors and is cut-off event [2023-08-29 19:49:11,905 INFO L386 tUnfolder$Statistics]: existing Event has 27 ancestors and is cut-off event [2023-08-29 19:49:11,905 INFO L386 tUnfolder$Statistics]: existing Event has 33 ancestors and is cut-off event [2023-08-29 19:49:12,408 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1221] L725-->L725-1: Formula: (and (not (= |v_thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1_11| 0)) (= |v_thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1_11| |v_thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1_11|) (= |v_thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1_11| (ite (= (mod v_~m~0_125 4294967296) 1) 1 0)) (= v_~m~0_124 0)) InVars {~m~0=v_~m~0_125} OutVars{~m~0=v_~m~0_124, thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1_11|, thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1_11|} AuxVars[] AssignedVars[~m~0, thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1, thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1][121], [Black: 222#(and (<= (div ~value~0 4294967296) (div |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 4294967296)) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), Black: 217#(and (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), 111#thr1EXITtrue, 189#true, 240#(= ~dec_flag~0 1), 29#L738-4true, Black: 229#(and (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0)), 246#(= ~inc_flag~0 1), Black: 234#(and (<= (+ |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0) (<= (div ~value~0 4294967296) (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296))), 203#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), 214#true, Black: 208#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), Black: 206#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 ~value~0) (<= ~value~0 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 238#true, 147#L725-1true, 194#(and (= |ULTIMATE.start_main_~#t~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t~0#1.base|) 4)), Black: 202#(and (<= 0 ~value~0) (<= ~value~0 0)), thr1Thread1of3ForFork0InUse, 123#L711-1true, thr1Thread2of3ForFork0InUse, 198#(= (select |#valid| |ULTIMATE.start_main_~#t~0#1.base|) 1), thr1Thread3of3ForFork0InUse, 226#true]) [2023-08-29 19:49:12,408 INFO L383 tUnfolder$Statistics]: this new event has 35 ancestors and is cut-off event [2023-08-29 19:49:12,409 INFO L386 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2023-08-29 19:49:12,409 INFO L386 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2023-08-29 19:49:12,409 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2023-08-29 19:49:12,433 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1327] L725-->L725-1: Formula: (and (= |v_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1_11| (ite (= (mod v_~m~0_125 4294967296) 1) 1 0)) (= |v_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1_11| |v_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1_11|) (not (= |v_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1_11| 0)) (= v_~m~0_124 0)) InVars {~m~0=v_~m~0_125} OutVars{thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1_11|, ~m~0=v_~m~0_124, thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1_11|} AuxVars[] AssignedVars[~m~0, thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1, thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1][91], [Black: 222#(and (<= (div ~value~0 4294967296) (div |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 4294967296)) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), Black: 217#(and (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), 189#true, 240#(= ~dec_flag~0 1), 44#L725-1true, 29#L738-4true, 229#(and (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0)), 151#thr1EXITtrue, 246#(= ~inc_flag~0 1), Black: 234#(and (<= (+ |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0) (<= (div ~value~0 4294967296) (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296))), 214#true, Black: 208#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), Black: 238#true, Black: 206#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 ~value~0) (<= ~value~0 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), 200#true, 194#(and (= |ULTIMATE.start_main_~#t~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t~0#1.base|) 4)), Black: 203#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), 179#L711-1true, Black: 202#(and (<= 0 ~value~0) (<= ~value~0 0)), thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, 198#(= (select |#valid| |ULTIMATE.start_main_~#t~0#1.base|) 1), thr1Thread3of3ForFork0InUse]) [2023-08-29 19:49:12,433 INFO L383 tUnfolder$Statistics]: this new event has 35 ancestors and is cut-off event [2023-08-29 19:49:12,433 INFO L386 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2023-08-29 19:49:12,433 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2023-08-29 19:49:12,434 INFO L386 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2023-08-29 19:49:12,435 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1221] L725-->L725-1: Formula: (and (not (= |v_thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1_11| 0)) (= |v_thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1_11| |v_thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1_11|) (= |v_thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1_11| (ite (= (mod v_~m~0_125 4294967296) 1) 1 0)) (= v_~m~0_124 0)) InVars {~m~0=v_~m~0_125} OutVars{~m~0=v_~m~0_124, thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1_11|, thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1_11|} AuxVars[] AssignedVars[~m~0, thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1, thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1][121], [Black: 222#(and (<= (div ~value~0 4294967296) (div |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 4294967296)) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), 189#true, 240#(= ~dec_flag~0 1), 29#L738-4true, 151#thr1EXITtrue, Black: 229#(and (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0)), 246#(= ~inc_flag~0 1), Black: 234#(and (<= (+ |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0) (<= (div ~value~0 4294967296) (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296))), 217#(and (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), Black: 208#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), Black: 238#true, 147#L725-1true, Black: 206#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 ~value~0) (<= ~value~0 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), 194#(and (= |ULTIMATE.start_main_~#t~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t~0#1.base|) 4)), 200#true, Black: 203#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 202#(and (<= 0 ~value~0) (<= ~value~0 0)), thr1Thread1of3ForFork0InUse, 7#L711-1true, thr1Thread2of3ForFork0InUse, 198#(= (select |#valid| |ULTIMATE.start_main_~#t~0#1.base|) 1), thr1Thread3of3ForFork0InUse, 226#true]) [2023-08-29 19:49:12,435 INFO L383 tUnfolder$Statistics]: this new event has 35 ancestors and is cut-off event [2023-08-29 19:49:12,435 INFO L386 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2023-08-29 19:49:12,435 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2023-08-29 19:49:12,435 INFO L386 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2023-08-29 19:49:12,514 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1221] L725-->L725-1: Formula: (and (not (= |v_thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1_11| 0)) (= |v_thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1_11| |v_thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1_11|) (= |v_thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1_11| (ite (= (mod v_~m~0_125 4294967296) 1) 1 0)) (= v_~m~0_124 0)) InVars {~m~0=v_~m~0_125} OutVars{~m~0=v_~m~0_124, thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1_11|, thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1_11|} AuxVars[] AssignedVars[~m~0, thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1, thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1][121], [Black: 222#(and (<= (div ~value~0 4294967296) (div |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 4294967296)) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), 111#thr1EXITtrue, Black: 217#(and (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), 189#true, 240#(= ~dec_flag~0 1), 108#L738-5true, 151#thr1EXITtrue, Black: 229#(and (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0)), 246#(= ~inc_flag~0 1), Black: 234#(and (<= (+ |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0) (<= (div ~value~0 4294967296) (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296))), 203#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), 214#true, Black: 208#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), Black: 206#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 ~value~0) (<= ~value~0 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 238#true, 147#L725-1true, 194#(and (= |ULTIMATE.start_main_~#t~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t~0#1.base|) 4)), Black: 202#(and (<= 0 ~value~0) (<= ~value~0 0)), thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, 198#(= (select |#valid| |ULTIMATE.start_main_~#t~0#1.base|) 1), thr1Thread3of3ForFork0InUse, 226#true]) [2023-08-29 19:49:12,514 INFO L383 tUnfolder$Statistics]: this new event has 35 ancestors and is cut-off event [2023-08-29 19:49:12,514 INFO L386 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2023-08-29 19:49:12,514 INFO L386 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2023-08-29 19:49:12,515 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2023-08-29 19:49:12,540 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1327] L725-->L725-1: Formula: (and (= |v_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1_11| (ite (= (mod v_~m~0_125 4294967296) 1) 1 0)) (= |v_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1_11| |v_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1_11|) (not (= |v_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1_11| 0)) (= v_~m~0_124 0)) InVars {~m~0=v_~m~0_125} OutVars{thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1_11|, ~m~0=v_~m~0_124, thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1_11|} AuxVars[] AssignedVars[~m~0, thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1, thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1][91], [Black: 222#(and (<= (div ~value~0 4294967296) (div |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 4294967296)) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), Black: 217#(and (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), 189#true, 240#(= ~dec_flag~0 1), 44#L725-1true, 229#(and (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0)), 108#L738-5true, 151#thr1EXITtrue, 246#(= ~inc_flag~0 1), Black: 234#(and (<= (+ |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0) (<= (div ~value~0 4294967296) (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296))), 214#true, 17#thr1EXITtrue, Black: 208#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), Black: 238#true, Black: 206#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 ~value~0) (<= ~value~0 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), 194#(and (= |ULTIMATE.start_main_~#t~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t~0#1.base|) 4)), Black: 203#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), 200#true, Black: 202#(and (<= 0 ~value~0) (<= ~value~0 0)), thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, 198#(= (select |#valid| |ULTIMATE.start_main_~#t~0#1.base|) 1), thr1Thread3of3ForFork0InUse]) [2023-08-29 19:49:12,540 INFO L383 tUnfolder$Statistics]: this new event has 35 ancestors and is cut-off event [2023-08-29 19:49:12,540 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2023-08-29 19:49:12,540 INFO L386 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2023-08-29 19:49:12,540 INFO L386 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2023-08-29 19:49:12,543 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1221] L725-->L725-1: Formula: (and (not (= |v_thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1_11| 0)) (= |v_thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1_11| |v_thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1_11|) (= |v_thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1_11| (ite (= (mod v_~m~0_125 4294967296) 1) 1 0)) (= v_~m~0_124 0)) InVars {~m~0=v_~m~0_125} OutVars{~m~0=v_~m~0_124, thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1_11|, thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1_11|} AuxVars[] AssignedVars[~m~0, thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1, thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1][121], [Black: 222#(and (<= (div ~value~0 4294967296) (div |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 4294967296)) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), 111#thr1EXITtrue, 189#true, 240#(= ~dec_flag~0 1), 108#L738-5true, 151#thr1EXITtrue, Black: 229#(and (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0)), 246#(= ~inc_flag~0 1), Black: 234#(and (<= (+ |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0) (<= (div ~value~0 4294967296) (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296))), 217#(and (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), Black: 208#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), 147#L725-1true, Black: 206#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 ~value~0) (<= ~value~0 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 238#true, 194#(and (= |ULTIMATE.start_main_~#t~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t~0#1.base|) 4)), 200#true, Black: 203#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 202#(and (<= 0 ~value~0) (<= ~value~0 0)), thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, 198#(= (select |#valid| |ULTIMATE.start_main_~#t~0#1.base|) 1), thr1Thread3of3ForFork0InUse, 226#true]) [2023-08-29 19:49:12,543 INFO L383 tUnfolder$Statistics]: this new event has 35 ancestors and is cut-off event [2023-08-29 19:49:12,543 INFO L386 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2023-08-29 19:49:12,543 INFO L386 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2023-08-29 19:49:12,543 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2023-08-29 19:49:12,618 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1221] L725-->L725-1: Formula: (and (not (= |v_thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1_11| 0)) (= |v_thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1_11| |v_thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1_11|) (= |v_thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1_11| (ite (= (mod v_~m~0_125 4294967296) 1) 1 0)) (= v_~m~0_124 0)) InVars {~m~0=v_~m~0_125} OutVars{~m~0=v_~m~0_124, thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1_11|, thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1_11|} AuxVars[] AssignedVars[~m~0, thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1, thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1][121], [Black: 222#(and (<= (div ~value~0 4294967296) (div |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 4294967296)) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), Black: 217#(and (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), 111#thr1EXITtrue, 189#true, 240#(= ~dec_flag~0 1), 29#L738-4true, 77#L712true, Black: 229#(and (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0)), 246#(= ~inc_flag~0 1), Black: 234#(and (<= (+ |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0) (<= (div ~value~0 4294967296) (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296))), 203#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), 214#true, Black: 208#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), Black: 206#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 ~value~0) (<= ~value~0 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), 147#L725-1true, Black: 238#true, 194#(and (= |ULTIMATE.start_main_~#t~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t~0#1.base|) 4)), Black: 202#(and (<= 0 ~value~0) (<= ~value~0 0)), thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, 198#(= (select |#valid| |ULTIMATE.start_main_~#t~0#1.base|) 1), thr1Thread3of3ForFork0InUse, 226#true]) [2023-08-29 19:49:12,618 INFO L383 tUnfolder$Statistics]: this new event has 36 ancestors and is cut-off event [2023-08-29 19:49:12,618 INFO L386 tUnfolder$Statistics]: existing Event has 30 ancestors and is cut-off event [2023-08-29 19:49:12,618 INFO L386 tUnfolder$Statistics]: existing Event has 36 ancestors and is cut-off event [2023-08-29 19:49:12,618 INFO L386 tUnfolder$Statistics]: existing Event has 30 ancestors and is cut-off event [2023-08-29 19:49:12,646 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1327] L725-->L725-1: Formula: (and (= |v_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1_11| (ite (= (mod v_~m~0_125 4294967296) 1) 1 0)) (= |v_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1_11| |v_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1_11|) (not (= |v_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1_11| 0)) (= v_~m~0_124 0)) InVars {~m~0=v_~m~0_125} OutVars{thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1_11|, ~m~0=v_~m~0_124, thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1_11|} AuxVars[] AssignedVars[~m~0, thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1, thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1][91], [Black: 222#(and (<= (div ~value~0 4294967296) (div |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 4294967296)) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), Black: 217#(and (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), 189#true, 240#(= ~dec_flag~0 1), 44#L725-1true, 29#L738-4true, 229#(and (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0)), 151#thr1EXITtrue, 246#(= ~inc_flag~0 1), Black: 234#(and (<= (+ |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0) (<= (div ~value~0 4294967296) (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296))), 214#true, Black: 208#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), Black: 238#true, Black: 206#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 ~value~0) (<= ~value~0 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), 200#true, 194#(and (= |ULTIMATE.start_main_~#t~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t~0#1.base|) 4)), Black: 203#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 202#(and (<= 0 ~value~0) (<= ~value~0 0)), thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, 198#(= (select |#valid| |ULTIMATE.start_main_~#t~0#1.base|) 1), thr1Thread3of3ForFork0InUse, 89#L712true]) [2023-08-29 19:49:12,646 INFO L383 tUnfolder$Statistics]: this new event has 36 ancestors and is cut-off event [2023-08-29 19:49:12,646 INFO L386 tUnfolder$Statistics]: existing Event has 36 ancestors and is cut-off event [2023-08-29 19:49:12,646 INFO L386 tUnfolder$Statistics]: existing Event has 30 ancestors and is cut-off event [2023-08-29 19:49:12,646 INFO L386 tUnfolder$Statistics]: existing Event has 30 ancestors and is cut-off event [2023-08-29 19:49:12,648 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1221] L725-->L725-1: Formula: (and (not (= |v_thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1_11| 0)) (= |v_thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1_11| |v_thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1_11|) (= |v_thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1_11| (ite (= (mod v_~m~0_125 4294967296) 1) 1 0)) (= v_~m~0_124 0)) InVars {~m~0=v_~m~0_125} OutVars{~m~0=v_~m~0_124, thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1_11|, thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1_11|} AuxVars[] AssignedVars[~m~0, thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1, thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1][121], [Black: 222#(and (<= (div ~value~0 4294967296) (div |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 4294967296)) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), 189#true, 240#(= ~dec_flag~0 1), 29#L738-4true, 151#thr1EXITtrue, Black: 229#(and (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0)), 246#(= ~inc_flag~0 1), Black: 234#(and (<= (+ |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0) (<= (div ~value~0 4294967296) (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296))), 217#(and (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), Black: 208#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), Black: 238#true, 147#L725-1true, Black: 206#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 ~value~0) (<= ~value~0 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), 194#(and (= |ULTIMATE.start_main_~#t~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t~0#1.base|) 4)), 200#true, Black: 203#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 202#(and (<= 0 ~value~0) (<= ~value~0 0)), thr1Thread1of3ForFork0InUse, 12#L712true, thr1Thread2of3ForFork0InUse, 198#(= (select |#valid| |ULTIMATE.start_main_~#t~0#1.base|) 1), thr1Thread3of3ForFork0InUse, 226#true]) [2023-08-29 19:49:12,648 INFO L383 tUnfolder$Statistics]: this new event has 36 ancestors and is cut-off event [2023-08-29 19:49:12,648 INFO L386 tUnfolder$Statistics]: existing Event has 36 ancestors and is cut-off event [2023-08-29 19:49:12,648 INFO L386 tUnfolder$Statistics]: existing Event has 30 ancestors and is cut-off event [2023-08-29 19:49:12,648 INFO L386 tUnfolder$Statistics]: existing Event has 30 ancestors and is cut-off event [2023-08-29 19:49:13,167 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1221] L725-->L725-1: Formula: (and (not (= |v_thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1_11| 0)) (= |v_thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1_11| |v_thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1_11|) (= |v_thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1_11| (ite (= (mod v_~m~0_125 4294967296) 1) 1 0)) (= v_~m~0_124 0)) InVars {~m~0=v_~m~0_125} OutVars{~m~0=v_~m~0_124, thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1_11|, thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1_11|} AuxVars[] AssignedVars[~m~0, thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1, thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1][121], [Black: 222#(and (<= (div ~value~0 4294967296) (div |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 4294967296)) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), Black: 217#(and (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), 111#thr1EXITtrue, 189#true, 240#(= ~dec_flag~0 1), 29#L738-4true, 151#thr1EXITtrue, Black: 229#(and (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0)), 246#(= ~inc_flag~0 1), Black: 234#(and (<= (+ |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0) (<= (div ~value~0 4294967296) (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296))), 203#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), 214#true, Black: 208#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), Black: 206#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 ~value~0) (<= ~value~0 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), 147#L725-1true, Black: 238#true, 194#(and (= |ULTIMATE.start_main_~#t~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t~0#1.base|) 4)), Black: 202#(and (<= 0 ~value~0) (<= ~value~0 0)), thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, 198#(= (select |#valid| |ULTIMATE.start_main_~#t~0#1.base|) 1), thr1Thread3of3ForFork0InUse, 226#true]) [2023-08-29 19:49:13,167 INFO L383 tUnfolder$Statistics]: this new event has 38 ancestors and is cut-off event [2023-08-29 19:49:13,167 INFO L386 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2023-08-29 19:49:13,167 INFO L386 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2023-08-29 19:49:13,167 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2023-08-29 19:49:13,194 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1327] L725-->L725-1: Formula: (and (= |v_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1_11| (ite (= (mod v_~m~0_125 4294967296) 1) 1 0)) (= |v_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1_11| |v_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1_11|) (not (= |v_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1_11| 0)) (= v_~m~0_124 0)) InVars {~m~0=v_~m~0_125} OutVars{thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1_11|, ~m~0=v_~m~0_124, thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1_11|} AuxVars[] AssignedVars[~m~0, thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1, thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1][91], [Black: 222#(and (<= (div ~value~0 4294967296) (div |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 4294967296)) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), Black: 217#(and (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), 189#true, 240#(= ~dec_flag~0 1), 44#L725-1true, 29#L738-4true, 229#(and (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0)), 151#thr1EXITtrue, 246#(= ~inc_flag~0 1), Black: 234#(and (<= (+ |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0) (<= (div ~value~0 4294967296) (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296))), 214#true, 17#thr1EXITtrue, Black: 208#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), Black: 238#true, Black: 206#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 ~value~0) (<= ~value~0 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), 200#true, 194#(and (= |ULTIMATE.start_main_~#t~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t~0#1.base|) 4)), Black: 203#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 202#(and (<= 0 ~value~0) (<= ~value~0 0)), thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, 198#(= (select |#valid| |ULTIMATE.start_main_~#t~0#1.base|) 1), thr1Thread3of3ForFork0InUse]) [2023-08-29 19:49:13,194 INFO L383 tUnfolder$Statistics]: this new event has 38 ancestors and is cut-off event [2023-08-29 19:49:13,194 INFO L386 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2023-08-29 19:49:13,194 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2023-08-29 19:49:13,195 INFO L386 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2023-08-29 19:49:13,199 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1221] L725-->L725-1: Formula: (and (not (= |v_thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1_11| 0)) (= |v_thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1_11| |v_thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1_11|) (= |v_thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1_11| (ite (= (mod v_~m~0_125 4294967296) 1) 1 0)) (= v_~m~0_124 0)) InVars {~m~0=v_~m~0_125} OutVars{~m~0=v_~m~0_124, thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1_11|, thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1_11|} AuxVars[] AssignedVars[~m~0, thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1, thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1][121], [Black: 222#(and (<= (div ~value~0 4294967296) (div |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 4294967296)) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), 111#thr1EXITtrue, 189#true, 240#(= ~dec_flag~0 1), 29#L738-4true, 151#thr1EXITtrue, Black: 229#(and (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0)), 246#(= ~inc_flag~0 1), Black: 234#(and (<= (+ |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0) (<= (div ~value~0 4294967296) (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296))), 217#(and (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), Black: 208#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), Black: 238#true, 147#L725-1true, Black: 206#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 ~value~0) (<= ~value~0 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), 194#(and (= |ULTIMATE.start_main_~#t~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t~0#1.base|) 4)), 200#true, Black: 203#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 202#(and (<= 0 ~value~0) (<= ~value~0 0)), thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, 198#(= (select |#valid| |ULTIMATE.start_main_~#t~0#1.base|) 1), thr1Thread3of3ForFork0InUse, 226#true]) [2023-08-29 19:49:13,199 INFO L383 tUnfolder$Statistics]: this new event has 38 ancestors and is cut-off event [2023-08-29 19:49:13,199 INFO L386 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2023-08-29 19:49:13,200 INFO L386 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2023-08-29 19:49:13,200 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2023-08-29 19:49:13,785 INFO L130 PetriNetUnfolder]: 23720/39996 cut-off events. [2023-08-29 19:49:13,786 INFO L131 PetriNetUnfolder]: For 17245/17559 co-relation queries the response was YES. [2023-08-29 19:49:13,895 INFO L83 FinitePrefix]: Finished finitePrefix Result has 89411 conditions, 39996 events. 23720/39996 cut-off events. For 17245/17559 co-relation queries the response was YES. Maximal size of possible extension queue 2835. Compared 382117 event pairs, 12083 based on Foata normal form. 818/39267 useless extension candidates. Maximal degree in co-relation 89392. Up to 34055 conditions per place. [2023-08-29 19:49:13,985 INFO L137 encePairwiseOnDemand]: 346/352 looper letters, 57 selfloop transitions, 3 changer transitions 3/142 dead transitions. [2023-08-29 19:49:13,985 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 142 transitions, 892 flow [2023-08-29 19:49:13,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 19:49:13,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 19:49:13,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 483 transitions. [2023-08-29 19:49:13,987 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45738636363636365 [2023-08-29 19:49:13,987 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 483 transitions. [2023-08-29 19:49:13,987 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 483 transitions. [2023-08-29 19:49:13,988 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:49:13,988 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 483 transitions. [2023-08-29 19:49:13,989 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 161.0) internal successors, (483), 3 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:49:13,990 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 352.0) internal successors, (1408), 4 states have internal predecessors, (1408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:49:13,991 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 352.0) internal successors, (1408), 4 states have internal predecessors, (1408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:49:13,991 INFO L175 Difference]: Start difference. First operand has 108 places, 130 transitions, 730 flow. Second operand 3 states and 483 transitions. [2023-08-29 19:49:13,991 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 142 transitions, 892 flow [2023-08-29 19:49:14,162 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 142 transitions, 889 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 19:49:14,164 INFO L231 Difference]: Finished difference. Result has 107 places, 127 transitions, 730 flow [2023-08-29 19:49:14,164 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=352, PETRI_DIFFERENCE_MINUEND_FLOW=721, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=730, PETRI_PLACES=107, PETRI_TRANSITIONS=127} [2023-08-29 19:49:14,165 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, 20 predicate places. [2023-08-29 19:49:14,165 INFO L495 AbstractCegarLoop]: Abstraction has has 107 places, 127 transitions, 730 flow [2023-08-29 19:49:14,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:49:14,166 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:49:14,166 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:49:14,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-08-29 19:49:14,166 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1ASSERT_VIOLATIONMEMORY_LEAK, thr1Err1ASSERT_VIOLATIONMEMORY_LEAK (and 8 more)] === [2023-08-29 19:49:14,166 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:49:14,167 INFO L85 PathProgramCache]: Analyzing trace with hash 2038246120, now seen corresponding path program 1 times [2023-08-29 19:49:14,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:49:14,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965686784] [2023-08-29 19:49:14,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:49:14,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:49:14,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:49:14,293 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 19:49:14,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:49:14,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965686784] [2023-08-29 19:49:14,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965686784] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:49:14,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:49:14,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-29 19:49:14,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957564428] [2023-08-29 19:49:14,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:49:14,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 19:49:14,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:49:14,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 19:49:14,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-08-29 19:49:14,453 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 352 [2023-08-29 19:49:14,453 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 127 transitions, 730 flow. Second operand has 6 states, 6 states have (on average 127.16666666666667) internal successors, (763), 6 states have internal predecessors, (763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:49:14,453 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:49:14,454 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 352 [2023-08-29 19:49:14,454 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:49:19,890 INFO L130 PetriNetUnfolder]: 40106/65230 cut-off events. [2023-08-29 19:49:19,890 INFO L131 PetriNetUnfolder]: For 63141/63996 co-relation queries the response was YES. [2023-08-29 19:49:20,086 INFO L83 FinitePrefix]: Finished finitePrefix Result has 164110 conditions, 65230 events. 40106/65230 cut-off events. For 63141/63996 co-relation queries the response was YES. Maximal size of possible extension queue 4264. Compared 620804 event pairs, 15219 based on Foata normal form. 860/65492 useless extension candidates. Maximal degree in co-relation 164091. Up to 44100 conditions per place. [2023-08-29 19:49:20,224 INFO L137 encePairwiseOnDemand]: 340/352 looper letters, 181 selfloop transitions, 37 changer transitions 10/253 dead transitions. [2023-08-29 19:49:20,224 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 253 transitions, 1767 flow [2023-08-29 19:49:20,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-29 19:49:20,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-29 19:49:20,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1184 transitions. [2023-08-29 19:49:20,231 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42045454545454547 [2023-08-29 19:49:20,231 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1184 transitions. [2023-08-29 19:49:20,231 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1184 transitions. [2023-08-29 19:49:20,232 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:49:20,232 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1184 transitions. [2023-08-29 19:49:20,234 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 148.0) internal successors, (1184), 8 states have internal predecessors, (1184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:49:20,237 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 352.0) internal successors, (3168), 9 states have internal predecessors, (3168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:49:20,238 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 352.0) internal successors, (3168), 9 states have internal predecessors, (3168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:49:20,238 INFO L175 Difference]: Start difference. First operand has 107 places, 127 transitions, 730 flow. Second operand 8 states and 1184 transitions. [2023-08-29 19:49:20,238 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 253 transitions, 1767 flow [2023-08-29 19:49:20,365 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 253 transitions, 1767 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 19:49:20,367 INFO L231 Difference]: Finished difference. Result has 118 places, 150 transitions, 1097 flow [2023-08-29 19:49:20,367 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=352, PETRI_DIFFERENCE_MINUEND_FLOW=730, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1097, PETRI_PLACES=118, PETRI_TRANSITIONS=150} [2023-08-29 19:49:20,368 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, 31 predicate places. [2023-08-29 19:49:20,368 INFO L495 AbstractCegarLoop]: Abstraction has has 118 places, 150 transitions, 1097 flow [2023-08-29 19:49:20,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 127.16666666666667) internal successors, (763), 6 states have internal predecessors, (763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:49:20,368 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:49:20,368 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:49:20,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-08-29 19:49:20,368 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thr1Err0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1ASSERT_VIOLATIONMEMORY_LEAK, thr1Err1ASSERT_VIOLATIONMEMORY_LEAK (and 8 more)] === [2023-08-29 19:49:20,369 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:49:20,369 INFO L85 PathProgramCache]: Analyzing trace with hash 509596560, now seen corresponding path program 2 times [2023-08-29 19:49:20,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:49:20,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486092589] [2023-08-29 19:49:20,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:49:20,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:49:20,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:49:20,511 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 19:49:20,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:49:20,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486092589] [2023-08-29 19:49:20,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486092589] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:49:20,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:49:20,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-29 19:49:20,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165101392] [2023-08-29 19:49:20,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:49:20,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 19:49:20,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:49:20,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 19:49:20,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-08-29 19:49:20,680 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 352 [2023-08-29 19:49:20,681 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 150 transitions, 1097 flow. Second operand has 6 states, 6 states have (on average 127.16666666666667) internal successors, (763), 6 states have internal predecessors, (763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:49:20,681 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:49:20,681 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 352 [2023-08-29 19:49:20,681 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:49:27,464 INFO L130 PetriNetUnfolder]: 46633/76441 cut-off events. [2023-08-29 19:49:27,464 INFO L131 PetriNetUnfolder]: For 113187/114319 co-relation queries the response was YES. [2023-08-29 19:49:27,758 INFO L83 FinitePrefix]: Finished finitePrefix Result has 205653 conditions, 76441 events. 46633/76441 cut-off events. For 113187/114319 co-relation queries the response was YES. Maximal size of possible extension queue 4865. Compared 749862 event pairs, 20569 based on Foata normal form. 940/76805 useless extension candidates. Maximal degree in co-relation 205629. Up to 46300 conditions per place. [2023-08-29 19:49:28,142 INFO L137 encePairwiseOnDemand]: 341/352 looper letters, 188 selfloop transitions, 58 changer transitions 5/276 dead transitions. [2023-08-29 19:49:28,142 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 276 transitions, 2333 flow [2023-08-29 19:49:28,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-29 19:49:28,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-29 19:49:28,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1174 transitions. [2023-08-29 19:49:28,144 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4169034090909091 [2023-08-29 19:49:28,144 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1174 transitions. [2023-08-29 19:49:28,144 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1174 transitions. [2023-08-29 19:49:28,144 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:49:28,144 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1174 transitions. [2023-08-29 19:49:28,146 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 146.75) internal successors, (1174), 8 states have internal predecessors, (1174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:49:28,149 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 352.0) internal successors, (3168), 9 states have internal predecessors, (3168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:49:28,150 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 352.0) internal successors, (3168), 9 states have internal predecessors, (3168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:49:28,150 INFO L175 Difference]: Start difference. First operand has 118 places, 150 transitions, 1097 flow. Second operand 8 states and 1174 transitions. [2023-08-29 19:49:28,150 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 276 transitions, 2333 flow [2023-08-29 19:49:28,643 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 276 transitions, 2296 flow, removed 5 selfloop flow, removed 2 redundant places. [2023-08-29 19:49:28,646 INFO L231 Difference]: Finished difference. Result has 127 places, 183 transitions, 1696 flow [2023-08-29 19:49:28,646 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=352, PETRI_DIFFERENCE_MINUEND_FLOW=1071, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1696, PETRI_PLACES=127, PETRI_TRANSITIONS=183} [2023-08-29 19:49:28,647 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, 40 predicate places. [2023-08-29 19:49:28,647 INFO L495 AbstractCegarLoop]: Abstraction has has 127 places, 183 transitions, 1696 flow [2023-08-29 19:49:28,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 127.16666666666667) internal successors, (763), 6 states have internal predecessors, (763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:49:28,647 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:49:28,647 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:49:28,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-08-29 19:49:28,648 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thr1Err0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1ASSERT_VIOLATIONMEMORY_LEAK, thr1Err1ASSERT_VIOLATIONMEMORY_LEAK (and 8 more)] === [2023-08-29 19:49:28,648 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:49:28,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1180269360, now seen corresponding path program 3 times [2023-08-29 19:49:28,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:49:28,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335353797] [2023-08-29 19:49:28,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:49:28,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:49:28,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:49:28,755 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 19:49:28,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:49:28,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335353797] [2023-08-29 19:49:28,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335353797] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 19:49:28,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1583701226] [2023-08-29 19:49:28,756 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-08-29 19:49:28,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 19:49:28,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 19:49:28,765 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-29 19:49:28,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-08-29 19:49:28,854 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2023-08-29 19:49:28,854 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-29 19:49:28,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 24 conjunts are in the unsatisfiable core [2023-08-29 19:49:28,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 19:49:28,988 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 19:49:29,004 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-29 19:49:29,071 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 19:49:29,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1583701226] provided 1 perfect and 1 imperfect interpolant sequences [2023-08-29 19:49:29,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-08-29 19:49:29,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 4] total 12 [2023-08-29 19:49:29,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898396060] [2023-08-29 19:49:29,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:49:29,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-29 19:49:29,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:49:29,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-29 19:49:29,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2023-08-29 19:49:29,091 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 352 [2023-08-29 19:49:29,092 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 183 transitions, 1696 flow. Second operand has 4 states, 4 states have (on average 142.25) internal successors, (569), 4 states have internal predecessors, (569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:49:29,092 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:49:29,092 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 352 [2023-08-29 19:49:29,092 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:49:31,280 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1272] L711-->L711-1: Formula: (and (not (= |v_thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1_9| 0)) (= v_~m~0_118 0) (= |v_thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1_9| (ite (= (mod v_~m~0_119 4294967296) 1) 1 0)) (= |v_thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1_9| |v_thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1_9|)) InVars {~m~0=v_~m~0_119} OutVars{~m~0=v_~m~0_118, thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1_9|, thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1_9|} AuxVars[] AssignedVars[~m~0, thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1, thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1][51], [111#thr1EXITtrue, 189#true, Black: 253#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 254#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), Black: 252#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| ~value~0) (<= ~value~0 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 258#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), 229#(and (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0)), 349#(< 0 (mod ~dec_flag~0 4294967296)), Black: 208#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), Black: 268#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 206#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 ~value~0) (<= ~value~0 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 203#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 269#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), 194#(and (= |ULTIMATE.start_main_~#t~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t~0#1.base|) 4)), Black: 202#(and (<= 0 ~value~0) (<= ~value~0 0)), Black: 267#(and (<= 0 ~value~0) (<= ~value~0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0)), Black: 273#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), 264#true, Black: 222#(and (<= (div ~value~0 4294967296) (div |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 4294967296)) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), 108#L738-5true, 246#(= ~inc_flag~0 1), Black: 234#(and (<= (+ |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0) (<= (div ~value~0 4294967296) (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296))), 217#(and (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), 17#thr1EXITtrue, Black: 240#(= ~dec_flag~0 1), 200#true, thr1Thread1of3ForFork0InUse, Black: 244#true, 123#L711-1true, thr1Thread2of3ForFork0InUse, 249#true, 198#(= (select |#valid| |ULTIMATE.start_main_~#t~0#1.base|) 1), thr1Thread3of3ForFork0InUse]) [2023-08-29 19:49:31,281 INFO L383 tUnfolder$Statistics]: this new event has 29 ancestors and is cut-off event [2023-08-29 19:49:31,281 INFO L386 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2023-08-29 19:49:31,281 INFO L386 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2023-08-29 19:49:31,281 INFO L386 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2023-08-29 19:49:31,639 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1325] L711-->L711-1: Formula: (and (= |v_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1_9| |v_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1_9|) (not (= |v_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1_9| 0)) (= v_~m~0_118 0) (= |v_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1_9| (ite (= (mod v_~m~0_119 4294967296) 1) 1 0))) InVars {~m~0=v_~m~0_119} OutVars{thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1_9|, ~m~0=v_~m~0_118, thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1_9|} AuxVars[] AssignedVars[~m~0, thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1, thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1][71], [189#true, Black: 253#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 254#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), Black: 252#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| ~value~0) (<= ~value~0 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), 229#(and (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0)), Black: 258#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), 349#(< 0 (mod ~dec_flag~0 4294967296)), 214#true, Black: 208#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), Black: 206#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 ~value~0) (<= ~value~0 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 268#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 269#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), 194#(and (= |ULTIMATE.start_main_~#t~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t~0#1.base|) 4)), Black: 267#(and (<= 0 ~value~0) (<= ~value~0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0)), Black: 202#(and (<= 0 ~value~0) (<= ~value~0 0)), Black: 273#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), 7#L711-1true, 264#true, Black: 222#(and (<= (div ~value~0 4294967296) (div |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 4294967296)) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), Black: 217#(and (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), 151#thr1EXITtrue, 108#L738-5true, 246#(= ~inc_flag~0 1), Black: 234#(and (<= (+ |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0) (<= (div ~value~0 4294967296) (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296))), 203#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), 17#thr1EXITtrue, Black: 240#(= ~dec_flag~0 1), thr1Thread1of3ForFork0InUse, Black: 244#true, thr1Thread2of3ForFork0InUse, 198#(= (select |#valid| |ULTIMATE.start_main_~#t~0#1.base|) 1), 249#true, thr1Thread3of3ForFork0InUse]) [2023-08-29 19:49:31,639 INFO L383 tUnfolder$Statistics]: this new event has 29 ancestors and is cut-off event [2023-08-29 19:49:31,639 INFO L386 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2023-08-29 19:49:31,639 INFO L386 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2023-08-29 19:49:31,639 INFO L386 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2023-08-29 19:49:32,210 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1272] L711-->L711-1: Formula: (and (not (= |v_thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1_9| 0)) (= v_~m~0_118 0) (= |v_thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1_9| (ite (= (mod v_~m~0_119 4294967296) 1) 1 0)) (= |v_thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1_9| |v_thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1_9|)) InVars {~m~0=v_~m~0_119} OutVars{~m~0=v_~m~0_118, thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1_9|, thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1_9|} AuxVars[] AssignedVars[~m~0, thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1, thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1][51], [111#thr1EXITtrue, 189#true, Black: 253#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 254#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), Black: 252#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| ~value~0) (<= ~value~0 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 258#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), 229#(and (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0)), 349#(< 0 (mod ~dec_flag~0 4294967296)), Black: 208#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), Black: 206#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 ~value~0) (<= ~value~0 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 268#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 269#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), Black: 203#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), 194#(and (= |ULTIMATE.start_main_~#t~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t~0#1.base|) 4)), Black: 202#(and (<= 0 ~value~0) (<= ~value~0 0)), Black: 267#(and (<= 0 ~value~0) (<= ~value~0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0)), Black: 273#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), 264#true, Black: 222#(and (<= (div ~value~0 4294967296) (div |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 4294967296)) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), 29#L738-4true, 246#(= ~inc_flag~0 1), Black: 234#(and (<= (+ |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0) (<= (div ~value~0 4294967296) (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296))), 217#(and (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), 17#thr1EXITtrue, Black: 240#(= ~dec_flag~0 1), 200#true, thr1Thread1of3ForFork0InUse, Black: 244#true, 123#L711-1true, thr1Thread2of3ForFork0InUse, 249#true, 198#(= (select |#valid| |ULTIMATE.start_main_~#t~0#1.base|) 1), thr1Thread3of3ForFork0InUse]) [2023-08-29 19:49:32,211 INFO L383 tUnfolder$Statistics]: this new event has 32 ancestors and is cut-off event [2023-08-29 19:49:32,211 INFO L386 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2023-08-29 19:49:32,211 INFO L386 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2023-08-29 19:49:32,211 INFO L386 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2023-08-29 19:49:32,315 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1325] L711-->L711-1: Formula: (and (= |v_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1_9| |v_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1_9|) (not (= |v_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1_9| 0)) (= v_~m~0_118 0) (= |v_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1_9| (ite (= (mod v_~m~0_119 4294967296) 1) 1 0))) InVars {~m~0=v_~m~0_119} OutVars{thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1_9|, ~m~0=v_~m~0_118, thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1_9|} AuxVars[] AssignedVars[~m~0, thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1, thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1][71], [189#true, Black: 253#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 254#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), Black: 252#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| ~value~0) (<= ~value~0 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), 229#(and (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0)), Black: 258#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), 349#(< 0 (mod ~dec_flag~0 4294967296)), 214#true, Black: 208#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), Black: 268#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 206#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 ~value~0) (<= ~value~0 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 269#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), 194#(and (= |ULTIMATE.start_main_~#t~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t~0#1.base|) 4)), Black: 202#(and (<= 0 ~value~0) (<= ~value~0 0)), Black: 267#(and (<= 0 ~value~0) (<= ~value~0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0)), Black: 273#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), 7#L711-1true, 264#true, Black: 222#(and (<= (div ~value~0 4294967296) (div |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 4294967296)) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), Black: 217#(and (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), 151#thr1EXITtrue, 108#L738-5true, 246#(= ~inc_flag~0 1), Black: 234#(and (<= (+ |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0) (<= (div ~value~0 4294967296) (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296))), 203#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 240#(= ~dec_flag~0 1), 179#L711-1true, thr1Thread1of3ForFork0InUse, Black: 244#true, thr1Thread2of3ForFork0InUse, 249#true, 198#(= (select |#valid| |ULTIMATE.start_main_~#t~0#1.base|) 1), thr1Thread3of3ForFork0InUse]) [2023-08-29 19:49:32,315 INFO L383 tUnfolder$Statistics]: this new event has 32 ancestors and is cut-off event [2023-08-29 19:49:32,315 INFO L386 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2023-08-29 19:49:32,315 INFO L386 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2023-08-29 19:49:32,316 INFO L386 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2023-08-29 19:49:32,381 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1272] L711-->L711-1: Formula: (and (not (= |v_thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1_9| 0)) (= v_~m~0_118 0) (= |v_thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1_9| (ite (= (mod v_~m~0_119 4294967296) 1) 1 0)) (= |v_thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1_9| |v_thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1_9|)) InVars {~m~0=v_~m~0_119} OutVars{~m~0=v_~m~0_118, thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1_9|, thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1_9|} AuxVars[] AssignedVars[~m~0, thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1, thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1][51], [111#thr1EXITtrue, 189#true, Black: 253#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 254#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), Black: 252#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| ~value~0) (<= ~value~0 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 258#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), 229#(and (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0)), 349#(< 0 (mod ~dec_flag~0 4294967296)), 84#L711true, Black: 208#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), Black: 206#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 ~value~0) (<= ~value~0 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 268#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 269#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), Black: 203#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), 194#(and (= |ULTIMATE.start_main_~#t~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t~0#1.base|) 4)), Black: 267#(and (<= 0 ~value~0) (<= ~value~0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0)), Black: 202#(and (<= 0 ~value~0) (<= ~value~0 0)), Black: 273#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), 264#true, Black: 222#(and (<= (div ~value~0 4294967296) (div |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 4294967296)) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), 108#L738-5true, 246#(= ~inc_flag~0 1), Black: 234#(and (<= (+ |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0) (<= (div ~value~0 4294967296) (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296))), 217#(and (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), Black: 240#(= ~dec_flag~0 1), 200#true, thr1Thread1of3ForFork0InUse, Black: 244#true, 123#L711-1true, thr1Thread2of3ForFork0InUse, 249#true, 198#(= (select |#valid| |ULTIMATE.start_main_~#t~0#1.base|) 1), thr1Thread3of3ForFork0InUse]) [2023-08-29 19:49:32,381 INFO L383 tUnfolder$Statistics]: this new event has 31 ancestors and is cut-off event [2023-08-29 19:49:32,381 INFO L386 tUnfolder$Statistics]: existing Event has 25 ancestors and is cut-off event [2023-08-29 19:49:32,381 INFO L386 tUnfolder$Statistics]: existing Event has 31 ancestors and is cut-off event [2023-08-29 19:49:32,381 INFO L386 tUnfolder$Statistics]: existing Event has 25 ancestors and is cut-off event [2023-08-29 19:49:32,544 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1325] L711-->L711-1: Formula: (and (= |v_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1_9| |v_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1_9|) (not (= |v_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1_9| 0)) (= v_~m~0_118 0) (= |v_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1_9| (ite (= (mod v_~m~0_119 4294967296) 1) 1 0))) InVars {~m~0=v_~m~0_119} OutVars{thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1_9|, ~m~0=v_~m~0_118, thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1_9|} AuxVars[] AssignedVars[~m~0, thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1, thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1][71], [189#true, Black: 253#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 254#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), Black: 252#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| ~value~0) (<= ~value~0 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 258#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), 229#(and (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0)), 349#(< 0 (mod ~dec_flag~0 4294967296)), 214#true, Black: 208#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), Black: 268#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 206#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 ~value~0) (<= ~value~0 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 269#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), 194#(and (= |ULTIMATE.start_main_~#t~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t~0#1.base|) 4)), Black: 267#(and (<= 0 ~value~0) (<= ~value~0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0)), Black: 202#(and (<= 0 ~value~0) (<= ~value~0 0)), Black: 273#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), 7#L711-1true, 264#true, Black: 222#(and (<= (div ~value~0 4294967296) (div |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 4294967296)) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), Black: 217#(and (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), 29#L738-4true, 151#thr1EXITtrue, 246#(= ~inc_flag~0 1), Black: 234#(and (<= (+ |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0) (<= (div ~value~0 4294967296) (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296))), 203#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), 17#thr1EXITtrue, Black: 240#(= ~dec_flag~0 1), thr1Thread1of3ForFork0InUse, Black: 244#true, thr1Thread2of3ForFork0InUse, 249#true, 198#(= (select |#valid| |ULTIMATE.start_main_~#t~0#1.base|) 1), thr1Thread3of3ForFork0InUse]) [2023-08-29 19:49:32,545 INFO L383 tUnfolder$Statistics]: this new event has 32 ancestors and is cut-off event [2023-08-29 19:49:32,545 INFO L386 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2023-08-29 19:49:32,545 INFO L386 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2023-08-29 19:49:32,545 INFO L386 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2023-08-29 19:49:32,788 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1325] L711-->L711-1: Formula: (and (= |v_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1_9| |v_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1_9|) (not (= |v_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1_9| 0)) (= v_~m~0_118 0) (= |v_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1_9| (ite (= (mod v_~m~0_119 4294967296) 1) 1 0))) InVars {~m~0=v_~m~0_119} OutVars{thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1_9|, ~m~0=v_~m~0_118, thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1_9|} AuxVars[] AssignedVars[~m~0, thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1, thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1][71], [189#true, Black: 253#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 254#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), Black: 252#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| ~value~0) (<= ~value~0 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), 229#(and (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0)), Black: 258#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), 349#(< 0 (mod ~dec_flag~0 4294967296)), 214#true, Black: 208#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), Black: 268#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 206#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 ~value~0) (<= ~value~0 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 269#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), 194#(and (= |ULTIMATE.start_main_~#t~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t~0#1.base|) 4)), Black: 202#(and (<= 0 ~value~0) (<= ~value~0 0)), Black: 267#(and (<= 0 ~value~0) (<= ~value~0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0)), Black: 273#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), 7#L711-1true, 264#true, Black: 222#(and (<= (div ~value~0 4294967296) (div |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 4294967296)) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), Black: 217#(and (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), 151#thr1EXITtrue, 108#L738-5true, 246#(= ~inc_flag~0 1), Black: 234#(and (<= (+ |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0) (<= (div ~value~0 4294967296) (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296))), 203#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 240#(= ~dec_flag~0 1), thr1Thread1of3ForFork0InUse, Black: 244#true, thr1Thread2of3ForFork0InUse, 249#true, 198#(= (select |#valid| |ULTIMATE.start_main_~#t~0#1.base|) 1), thr1Thread3of3ForFork0InUse, 89#L712true]) [2023-08-29 19:49:32,788 INFO L383 tUnfolder$Statistics]: this new event has 33 ancestors and is cut-off event [2023-08-29 19:49:32,788 INFO L386 tUnfolder$Statistics]: existing Event has 27 ancestors and is cut-off event [2023-08-29 19:49:32,789 INFO L386 tUnfolder$Statistics]: existing Event has 27 ancestors and is cut-off event [2023-08-29 19:49:32,789 INFO L386 tUnfolder$Statistics]: existing Event has 27 ancestors and is cut-off event [2023-08-29 19:49:33,097 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1325] L711-->L711-1: Formula: (and (= |v_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1_9| |v_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1_9|) (not (= |v_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1_9| 0)) (= v_~m~0_118 0) (= |v_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1_9| (ite (= (mod v_~m~0_119 4294967296) 1) 1 0))) InVars {~m~0=v_~m~0_119} OutVars{thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1_9|, ~m~0=v_~m~0_118, thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1_9|} AuxVars[] AssignedVars[~m~0, thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1, thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1][71], [189#true, Black: 253#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 254#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), Black: 252#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| ~value~0) (<= ~value~0 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), 229#(and (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0)), Black: 258#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), 349#(< 0 (mod ~dec_flag~0 4294967296)), 214#true, Black: 208#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), Black: 268#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 206#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 ~value~0) (<= ~value~0 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 269#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), 194#(and (= |ULTIMATE.start_main_~#t~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t~0#1.base|) 4)), Black: 202#(and (<= 0 ~value~0) (<= ~value~0 0)), Black: 267#(and (<= 0 ~value~0) (<= ~value~0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0)), Black: 273#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), 7#L711-1true, 264#true, Black: 222#(and (<= (div ~value~0 4294967296) (div |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 4294967296)) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), Black: 217#(and (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), 29#L738-4true, 151#thr1EXITtrue, 246#(= ~inc_flag~0 1), Black: 234#(and (<= (+ |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0) (<= (div ~value~0 4294967296) (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296))), 203#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 240#(= ~dec_flag~0 1), 179#L711-1true, thr1Thread1of3ForFork0InUse, Black: 244#true, thr1Thread2of3ForFork0InUse, 249#true, 198#(= (select |#valid| |ULTIMATE.start_main_~#t~0#1.base|) 1), thr1Thread3of3ForFork0InUse]) [2023-08-29 19:49:33,097 INFO L383 tUnfolder$Statistics]: this new event has 35 ancestors and is cut-off event [2023-08-29 19:49:33,098 INFO L386 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2023-08-29 19:49:33,098 INFO L386 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2023-08-29 19:49:33,098 INFO L386 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2023-08-29 19:49:33,166 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1272] L711-->L711-1: Formula: (and (not (= |v_thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1_9| 0)) (= v_~m~0_118 0) (= |v_thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1_9| (ite (= (mod v_~m~0_119 4294967296) 1) 1 0)) (= |v_thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1_9| |v_thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1_9|)) InVars {~m~0=v_~m~0_119} OutVars{~m~0=v_~m~0_118, thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1_9|, thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1_9|} AuxVars[] AssignedVars[~m~0, thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1, thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1][51], [111#thr1EXITtrue, 189#true, Black: 253#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 254#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), Black: 252#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| ~value~0) (<= ~value~0 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), 229#(and (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0)), Black: 258#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), 349#(< 0 (mod ~dec_flag~0 4294967296)), 84#L711true, Black: 208#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), Black: 206#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 ~value~0) (<= ~value~0 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 268#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 269#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), 194#(and (= |ULTIMATE.start_main_~#t~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t~0#1.base|) 4)), Black: 203#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 267#(and (<= 0 ~value~0) (<= ~value~0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0)), Black: 202#(and (<= 0 ~value~0) (<= ~value~0 0)), Black: 273#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), 264#true, Black: 222#(and (<= (div ~value~0 4294967296) (div |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 4294967296)) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), 29#L738-4true, 246#(= ~inc_flag~0 1), Black: 234#(and (<= (+ |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0) (<= (div ~value~0 4294967296) (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296))), 217#(and (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), Black: 240#(= ~dec_flag~0 1), 200#true, thr1Thread1of3ForFork0InUse, Black: 244#true, 123#L711-1true, thr1Thread2of3ForFork0InUse, 198#(= (select |#valid| |ULTIMATE.start_main_~#t~0#1.base|) 1), 249#true, thr1Thread3of3ForFork0InUse]) [2023-08-29 19:49:33,166 INFO L383 tUnfolder$Statistics]: this new event has 34 ancestors and is cut-off event [2023-08-29 19:49:33,166 INFO L386 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2023-08-29 19:49:33,166 INFO L386 tUnfolder$Statistics]: existing Event has 28 ancestors and is cut-off event [2023-08-29 19:49:33,166 INFO L386 tUnfolder$Statistics]: existing Event has 28 ancestors and is cut-off event [2023-08-29 19:49:33,198 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1219] L711-->L711-1: Formula: (and (= v_~m~0_118 0) (not (= |v_thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1_9| 0)) (= |v_thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1_9| (ite (= (mod v_~m~0_119 4294967296) 1) 1 0)) (= |v_thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1_9| |v_thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1_9|)) InVars {~m~0=v_~m~0_119} OutVars{~m~0=v_~m~0_118, thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1_9|, thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1_9|} AuxVars[] AssignedVars[~m~0, thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1, thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1][132], [111#thr1EXITtrue, 189#true, Black: 254#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), Black: 252#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| ~value~0) (<= ~value~0 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 258#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), 349#(< 0 (mod ~dec_flag~0 4294967296)), Black: 208#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), Black: 268#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 206#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 ~value~0) (<= ~value~0 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 269#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), 194#(and (= |ULTIMATE.start_main_~#t~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t~0#1.base|) 4)), Black: 202#(and (<= 0 ~value~0) (<= ~value~0 0)), Black: 267#(and (<= 0 ~value~0) (<= ~value~0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0)), Black: 273#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), 264#true, Black: 222#(and (<= (div ~value~0 4294967296) (div |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 4294967296)) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), 108#L738-5true, 151#thr1EXITtrue, 234#(and (<= (+ |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0) (<= (div ~value~0 4294967296) (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296))), 246#(= ~inc_flag~0 1), Black: 229#(and (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0)), 217#(and (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), 203#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), 253#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 240#(= ~dec_flag~0 1), 179#L711-1true, thr1Thread1of3ForFork0InUse, Black: 244#true, thr1Thread2of3ForFork0InUse, 198#(= (select |#valid| |ULTIMATE.start_main_~#t~0#1.base|) 1), thr1Thread3of3ForFork0InUse]) [2023-08-29 19:49:33,198 INFO L383 tUnfolder$Statistics]: this new event has 35 ancestors and is cut-off event [2023-08-29 19:49:33,198 INFO L386 tUnfolder$Statistics]: existing Event has 23 ancestors and is cut-off event [2023-08-29 19:49:33,198 INFO L386 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2023-08-29 19:49:33,198 INFO L386 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2023-08-29 19:49:33,203 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1325] L711-->L711-1: Formula: (and (= |v_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1_9| |v_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1_9|) (not (= |v_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1_9| 0)) (= v_~m~0_118 0) (= |v_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1_9| (ite (= (mod v_~m~0_119 4294967296) 1) 1 0))) InVars {~m~0=v_~m~0_119} OutVars{thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1_9|, ~m~0=v_~m~0_118, thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1_9|} AuxVars[] AssignedVars[~m~0, thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1, thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1][71], [189#true, Black: 253#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 254#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), Black: 252#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| ~value~0) (<= ~value~0 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), 229#(and (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0)), Black: 258#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), 349#(< 0 (mod ~dec_flag~0 4294967296)), 214#true, Black: 208#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), Black: 268#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 206#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 ~value~0) (<= ~value~0 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 269#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), 194#(and (= |ULTIMATE.start_main_~#t~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t~0#1.base|) 4)), Black: 202#(and (<= 0 ~value~0) (<= ~value~0 0)), Black: 267#(and (<= 0 ~value~0) (<= ~value~0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0)), Black: 273#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), 7#L711-1true, 264#true, Black: 222#(and (<= (div ~value~0 4294967296) (div |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 4294967296)) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), Black: 217#(and (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), 151#thr1EXITtrue, 108#L738-5true, 246#(= ~inc_flag~0 1), Black: 234#(and (<= (+ |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0) (<= (div ~value~0 4294967296) (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296))), 203#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), 17#thr1EXITtrue, Black: 240#(= ~dec_flag~0 1), thr1Thread1of3ForFork0InUse, Black: 244#true, thr1Thread2of3ForFork0InUse, 249#true, 198#(= (select |#valid| |ULTIMATE.start_main_~#t~0#1.base|) 1), thr1Thread3of3ForFork0InUse]) [2023-08-29 19:49:33,203 INFO L383 tUnfolder$Statistics]: this new event has 35 ancestors and is cut-off event [2023-08-29 19:49:33,203 INFO L386 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2023-08-29 19:49:33,203 INFO L386 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2023-08-29 19:49:33,204 INFO L386 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2023-08-29 19:49:33,204 INFO L386 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2023-08-29 19:49:33,216 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1272] L711-->L711-1: Formula: (and (not (= |v_thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1_9| 0)) (= v_~m~0_118 0) (= |v_thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1_9| (ite (= (mod v_~m~0_119 4294967296) 1) 1 0)) (= |v_thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1_9| |v_thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1_9|)) InVars {~m~0=v_~m~0_119} OutVars{~m~0=v_~m~0_118, thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1_9|, thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1_9|} AuxVars[] AssignedVars[~m~0, thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1, thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1][51], [111#thr1EXITtrue, 189#true, Black: 253#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 254#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), Black: 252#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| ~value~0) (<= ~value~0 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 258#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), 229#(and (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0)), 349#(< 0 (mod ~dec_flag~0 4294967296)), Black: 208#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), Black: 268#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 206#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 ~value~0) (<= ~value~0 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 269#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), 194#(and (= |ULTIMATE.start_main_~#t~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t~0#1.base|) 4)), Black: 203#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 202#(and (<= 0 ~value~0) (<= ~value~0 0)), Black: 267#(and (<= 0 ~value~0) (<= ~value~0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0)), Black: 273#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), 264#true, Black: 222#(and (<= (div ~value~0 4294967296) (div |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 4294967296)) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), 108#L738-5true, 246#(= ~inc_flag~0 1), Black: 234#(and (<= (+ |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0) (<= (div ~value~0 4294967296) (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296))), 217#(and (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), 17#thr1EXITtrue, Black: 240#(= ~dec_flag~0 1), 200#true, thr1Thread1of3ForFork0InUse, Black: 244#true, 123#L711-1true, thr1Thread2of3ForFork0InUse, 198#(= (select |#valid| |ULTIMATE.start_main_~#t~0#1.base|) 1), 249#true, thr1Thread3of3ForFork0InUse]) [2023-08-29 19:49:33,216 INFO L383 tUnfolder$Statistics]: this new event has 35 ancestors and is cut-off event [2023-08-29 19:49:33,216 INFO L386 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2023-08-29 19:49:33,216 INFO L386 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2023-08-29 19:49:33,216 INFO L386 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2023-08-29 19:49:33,216 INFO L386 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2023-08-29 19:49:33,221 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1325] L711-->L711-1: Formula: (and (= |v_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1_9| |v_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1_9|) (not (= |v_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1_9| 0)) (= v_~m~0_118 0) (= |v_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1_9| (ite (= (mod v_~m~0_119 4294967296) 1) 1 0))) InVars {~m~0=v_~m~0_119} OutVars{thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1_9|, ~m~0=v_~m~0_118, thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1_9|} AuxVars[] AssignedVars[~m~0, thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1, thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1][71], [189#true, Black: 253#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 254#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), Black: 252#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| ~value~0) (<= ~value~0 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 258#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), 229#(and (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0)), 349#(< 0 (mod ~dec_flag~0 4294967296)), 273#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), Black: 208#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), Black: 206#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 ~value~0) (<= ~value~0 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 268#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 269#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), 194#(and (= |ULTIMATE.start_main_~#t~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t~0#1.base|) 4)), Black: 202#(and (<= 0 ~value~0) (<= ~value~0 0)), Black: 267#(and (<= 0 ~value~0) (<= ~value~0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0)), 7#L711-1true, 222#(and (<= (div ~value~0 4294967296) (div |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 4294967296)) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), Black: 217#(and (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), 151#thr1EXITtrue, 108#L738-5true, 246#(= ~inc_flag~0 1), Black: 234#(and (<= (+ |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0) (<= (div ~value~0 4294967296) (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296))), 203#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), 17#thr1EXITtrue, Black: 240#(= ~dec_flag~0 1), thr1Thread1of3ForFork0InUse, Black: 244#true, thr1Thread2of3ForFork0InUse, 249#true, 198#(= (select |#valid| |ULTIMATE.start_main_~#t~0#1.base|) 1), thr1Thread3of3ForFork0InUse]) [2023-08-29 19:49:33,221 INFO L383 tUnfolder$Statistics]: this new event has 35 ancestors and is cut-off event [2023-08-29 19:49:33,221 INFO L386 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2023-08-29 19:49:33,221 INFO L386 tUnfolder$Statistics]: existing Event has 23 ancestors and is cut-off event [2023-08-29 19:49:33,221 INFO L386 tUnfolder$Statistics]: existing Event has 29 ancestors and is cut-off event [2023-08-29 19:49:33,276 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1325] L711-->L711-1: Formula: (and (= |v_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1_9| |v_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1_9|) (not (= |v_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1_9| 0)) (= v_~m~0_118 0) (= |v_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1_9| (ite (= (mod v_~m~0_119 4294967296) 1) 1 0))) InVars {~m~0=v_~m~0_119} OutVars{thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1_9|, ~m~0=v_~m~0_118, thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1_9|} AuxVars[] AssignedVars[~m~0, thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1, thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1][71], [189#true, Black: 253#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 254#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), Black: 252#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| ~value~0) (<= ~value~0 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), 229#(and (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0)), Black: 258#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), 349#(< 0 (mod ~dec_flag~0 4294967296)), 214#true, Black: 208#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), Black: 268#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 206#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 ~value~0) (<= ~value~0 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 269#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), 194#(and (= |ULTIMATE.start_main_~#t~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t~0#1.base|) 4)), Black: 202#(and (<= 0 ~value~0) (<= ~value~0 0)), Black: 267#(and (<= 0 ~value~0) (<= ~value~0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0)), Black: 273#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), 7#L711-1true, 264#true, Black: 222#(and (<= (div ~value~0 4294967296) (div |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 4294967296)) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), Black: 217#(and (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), 29#L738-4true, 151#thr1EXITtrue, 246#(= ~inc_flag~0 1), Black: 234#(and (<= (+ |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0) (<= (div ~value~0 4294967296) (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296))), 203#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 240#(= ~dec_flag~0 1), thr1Thread1of3ForFork0InUse, Black: 244#true, thr1Thread2of3ForFork0InUse, 249#true, 198#(= (select |#valid| |ULTIMATE.start_main_~#t~0#1.base|) 1), thr1Thread3of3ForFork0InUse, 89#L712true]) [2023-08-29 19:49:33,276 INFO L383 tUnfolder$Statistics]: this new event has 36 ancestors and is cut-off event [2023-08-29 19:49:33,276 INFO L386 tUnfolder$Statistics]: existing Event has 30 ancestors and is cut-off event [2023-08-29 19:49:33,276 INFO L386 tUnfolder$Statistics]: existing Event has 30 ancestors and is cut-off event [2023-08-29 19:49:33,276 INFO L386 tUnfolder$Statistics]: existing Event has 30 ancestors and is cut-off event [2023-08-29 19:49:33,682 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1219] L711-->L711-1: Formula: (and (= v_~m~0_118 0) (not (= |v_thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1_9| 0)) (= |v_thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1_9| (ite (= (mod v_~m~0_119 4294967296) 1) 1 0)) (= |v_thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1_9| |v_thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1_9|)) InVars {~m~0=v_~m~0_119} OutVars{~m~0=v_~m~0_118, thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1_9|, thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1_9|} AuxVars[] AssignedVars[~m~0, thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1, thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1][132], [111#thr1EXITtrue, 189#true, Black: 254#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), Black: 252#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| ~value~0) (<= ~value~0 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 258#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), 349#(< 0 (mod ~dec_flag~0 4294967296)), Black: 208#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), Black: 206#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 ~value~0) (<= ~value~0 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 268#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 269#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), 194#(and (= |ULTIMATE.start_main_~#t~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t~0#1.base|) 4)), Black: 267#(and (<= 0 ~value~0) (<= ~value~0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0)), Black: 202#(and (<= 0 ~value~0) (<= ~value~0 0)), Black: 273#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), 264#true, Black: 222#(and (<= (div ~value~0 4294967296) (div |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 4294967296)) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), 29#L738-4true, 151#thr1EXITtrue, 234#(and (<= (+ |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0) (<= (div ~value~0 4294967296) (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296))), 246#(= ~inc_flag~0 1), Black: 229#(and (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0)), 217#(and (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), 203#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), 253#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 240#(= ~dec_flag~0 1), 179#L711-1true, thr1Thread1of3ForFork0InUse, Black: 244#true, thr1Thread2of3ForFork0InUse, 198#(= (select |#valid| |ULTIMATE.start_main_~#t~0#1.base|) 1), thr1Thread3of3ForFork0InUse]) [2023-08-29 19:49:33,682 INFO L383 tUnfolder$Statistics]: this new event has 38 ancestors and is cut-off event [2023-08-29 19:49:33,682 INFO L386 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2023-08-29 19:49:33,682 INFO L386 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2023-08-29 19:49:33,682 INFO L386 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2023-08-29 19:49:33,687 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1325] L711-->L711-1: Formula: (and (= |v_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1_9| |v_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1_9|) (not (= |v_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1_9| 0)) (= v_~m~0_118 0) (= |v_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1_9| (ite (= (mod v_~m~0_119 4294967296) 1) 1 0))) InVars {~m~0=v_~m~0_119} OutVars{thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1_9|, ~m~0=v_~m~0_118, thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1_9|} AuxVars[] AssignedVars[~m~0, thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1, thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1][71], [189#true, Black: 253#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 254#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), Black: 252#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| ~value~0) (<= ~value~0 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), 229#(and (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0)), Black: 258#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), 349#(< 0 (mod ~dec_flag~0 4294967296)), 214#true, Black: 208#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), Black: 268#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 206#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 ~value~0) (<= ~value~0 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 269#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), 194#(and (= |ULTIMATE.start_main_~#t~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t~0#1.base|) 4)), Black: 202#(and (<= 0 ~value~0) (<= ~value~0 0)), Black: 267#(and (<= 0 ~value~0) (<= ~value~0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0)), Black: 273#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), 7#L711-1true, 264#true, Black: 222#(and (<= (div ~value~0 4294967296) (div |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 4294967296)) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), Black: 217#(and (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), 29#L738-4true, 151#thr1EXITtrue, 246#(= ~inc_flag~0 1), Black: 234#(and (<= (+ |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0) (<= (div ~value~0 4294967296) (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296))), 203#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), 17#thr1EXITtrue, Black: 240#(= ~dec_flag~0 1), thr1Thread1of3ForFork0InUse, Black: 244#true, thr1Thread2of3ForFork0InUse, 249#true, 198#(= (select |#valid| |ULTIMATE.start_main_~#t~0#1.base|) 1), thr1Thread3of3ForFork0InUse]) [2023-08-29 19:49:33,687 INFO L383 tUnfolder$Statistics]: this new event has 38 ancestors and is cut-off event [2023-08-29 19:49:33,687 INFO L386 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2023-08-29 19:49:33,687 INFO L386 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2023-08-29 19:49:33,687 INFO L386 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2023-08-29 19:49:33,687 INFO L386 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2023-08-29 19:49:33,699 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1272] L711-->L711-1: Formula: (and (not (= |v_thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1_9| 0)) (= v_~m~0_118 0) (= |v_thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1_9| (ite (= (mod v_~m~0_119 4294967296) 1) 1 0)) (= |v_thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1_9| |v_thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1_9|)) InVars {~m~0=v_~m~0_119} OutVars{~m~0=v_~m~0_118, thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1_9|, thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1_9|} AuxVars[] AssignedVars[~m~0, thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1, thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1][51], [111#thr1EXITtrue, 189#true, Black: 253#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 254#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), Black: 252#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| ~value~0) (<= ~value~0 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), 229#(and (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0)), Black: 258#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), 349#(< 0 (mod ~dec_flag~0 4294967296)), Black: 208#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), Black: 268#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 206#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 ~value~0) (<= ~value~0 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 269#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), 194#(and (= |ULTIMATE.start_main_~#t~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t~0#1.base|) 4)), Black: 203#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 267#(and (<= 0 ~value~0) (<= ~value~0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0)), Black: 202#(and (<= 0 ~value~0) (<= ~value~0 0)), Black: 273#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), 264#true, Black: 222#(and (<= (div ~value~0 4294967296) (div |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 4294967296)) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), 29#L738-4true, 246#(= ~inc_flag~0 1), Black: 234#(and (<= (+ |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0) (<= (div ~value~0 4294967296) (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296))), 217#(and (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), 17#thr1EXITtrue, Black: 240#(= ~dec_flag~0 1), 200#true, thr1Thread1of3ForFork0InUse, Black: 244#true, thr1Thread2of3ForFork0InUse, 123#L711-1true, 198#(= (select |#valid| |ULTIMATE.start_main_~#t~0#1.base|) 1), 249#true, thr1Thread3of3ForFork0InUse]) [2023-08-29 19:49:33,699 INFO L383 tUnfolder$Statistics]: this new event has 38 ancestors and is cut-off event [2023-08-29 19:49:33,699 INFO L386 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2023-08-29 19:49:33,699 INFO L386 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2023-08-29 19:49:33,699 INFO L386 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2023-08-29 19:49:33,699 INFO L386 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2023-08-29 19:49:33,705 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1325] L711-->L711-1: Formula: (and (= |v_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1_9| |v_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1_9|) (not (= |v_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1_9| 0)) (= v_~m~0_118 0) (= |v_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1_9| (ite (= (mod v_~m~0_119 4294967296) 1) 1 0))) InVars {~m~0=v_~m~0_119} OutVars{thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1_9|, ~m~0=v_~m~0_118, thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1_9|} AuxVars[] AssignedVars[~m~0, thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1, thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1][71], [189#true, Black: 253#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 254#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), Black: 252#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| ~value~0) (<= ~value~0 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), 229#(and (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0)), Black: 258#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), 349#(< 0 (mod ~dec_flag~0 4294967296)), 273#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), Black: 208#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), Black: 206#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 ~value~0) (<= ~value~0 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 268#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), Black: 269#(and (<= (+ |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= (div ~value~0 4294967296) (div |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 4294967296))), 194#(and (= |ULTIMATE.start_main_~#t~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~#t~0#1.base|) 4)), Black: 202#(and (<= 0 ~value~0) (<= ~value~0 0)), Black: 267#(and (<= 0 ~value~0) (<= ~value~0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0)), 7#L711-1true, 222#(and (<= (div ~value~0 4294967296) (div |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 4294967296)) (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= (+ |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), Black: 217#(and (<= |thr1Thread2of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread2of3ForFork0_inc_~inc_v~0#1|)), 29#L738-4true, 151#thr1EXITtrue, 246#(= ~inc_flag~0 1), Black: 234#(and (<= (+ |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 1) ~value~0) (< 0 (+ (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296) 1)) (<= |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 0) (<= (div ~value~0 4294967296) (div |thr1Thread3of3ForFork0_inc_~inc_v~0#1| 4294967296))), 203#(and (<= |thr1Thread1of3ForFork0_inc_~inc_v~0#1| 0) (<= 0 |thr1Thread1of3ForFork0_inc_~inc_v~0#1|)), 17#thr1EXITtrue, Black: 240#(= ~dec_flag~0 1), thr1Thread1of3ForFork0InUse, Black: 244#true, thr1Thread2of3ForFork0InUse, 249#true, 198#(= (select |#valid| |ULTIMATE.start_main_~#t~0#1.base|) 1), thr1Thread3of3ForFork0InUse]) [2023-08-29 19:49:33,705 INFO L383 tUnfolder$Statistics]: this new event has 38 ancestors and is cut-off event [2023-08-29 19:49:33,706 INFO L386 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2023-08-29 19:49:33,706 INFO L386 tUnfolder$Statistics]: existing Event has 32 ancestors and is cut-off event [2023-08-29 19:49:33,706 INFO L386 tUnfolder$Statistics]: existing Event has 26 ancestors and is cut-off event [2023-08-29 19:49:33,782 INFO L130 PetriNetUnfolder]: 25167/48391 cut-off events. [2023-08-29 19:49:33,782 INFO L131 PetriNetUnfolder]: For 49312/50202 co-relation queries the response was YES. [2023-08-29 19:49:33,974 INFO L83 FinitePrefix]: Finished finitePrefix Result has 109161 conditions, 48391 events. 25167/48391 cut-off events. For 49312/50202 co-relation queries the response was YES. Maximal size of possible extension queue 3532. Compared 543868 event pairs, 10959 based on Foata normal form. 3126/49443 useless extension candidates. Maximal degree in co-relation 109132. Up to 35299 conditions per place. [2023-08-29 19:49:34,005 INFO L137 encePairwiseOnDemand]: 325/352 looper letters, 47 selfloop transitions, 33 changer transitions 95/229 dead transitions. [2023-08-29 19:49:34,006 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 229 transitions, 2064 flow [2023-08-29 19:49:34,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-29 19:49:34,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-29 19:49:34,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 643 transitions. [2023-08-29 19:49:34,007 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45667613636363635 [2023-08-29 19:49:34,007 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 643 transitions. [2023-08-29 19:49:34,007 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 643 transitions. [2023-08-29 19:49:34,007 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:49:34,007 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 643 transitions. [2023-08-29 19:49:34,008 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 160.75) internal successors, (643), 4 states have internal predecessors, (643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:49:34,010 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 352.0) internal successors, (1760), 5 states have internal predecessors, (1760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:49:34,010 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 352.0) internal successors, (1760), 5 states have internal predecessors, (1760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:49:34,010 INFO L175 Difference]: Start difference. First operand has 127 places, 183 transitions, 1696 flow. Second operand 4 states and 643 transitions. [2023-08-29 19:49:34,010 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 229 transitions, 2064 flow [2023-08-29 19:49:34,285 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 229 transitions, 1995 flow, removed 18 selfloop flow, removed 2 redundant places. [2023-08-29 19:49:34,287 INFO L231 Difference]: Finished difference. Result has 130 places, 129 transitions, 737 flow [2023-08-29 19:49:34,288 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=352, PETRI_DIFFERENCE_MINUEND_FLOW=1633, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=737, PETRI_PLACES=130, PETRI_TRANSITIONS=129} [2023-08-29 19:49:34,288 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, 43 predicate places. [2023-08-29 19:49:34,288 INFO L495 AbstractCegarLoop]: Abstraction has has 130 places, 129 transitions, 737 flow [2023-08-29 19:49:34,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 142.25) internal successors, (569), 4 states have internal predecessors, (569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:49:34,289 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:49:34,289 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:49:34,296 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-08-29 19:49:34,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2023-08-29 19:49:34,494 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thr1Err0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1ASSERT_VIOLATIONMEMORY_LEAK, thr1Err1ASSERT_VIOLATIONMEMORY_LEAK (and 8 more)] === [2023-08-29 19:49:34,495 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:49:34,495 INFO L85 PathProgramCache]: Analyzing trace with hash -805827693, now seen corresponding path program 1 times [2023-08-29 19:49:34,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:49:34,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314175824] [2023-08-29 19:49:34,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:49:34,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:49:34,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:49:34,634 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 19:49:34,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:49:34,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314175824] [2023-08-29 19:49:34,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314175824] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 19:49:34,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [880559577] [2023-08-29 19:49:34,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:49:34,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 19:49:34,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 19:49:34,637 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-29 19:49:34,666 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-08-29 19:49:34,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:49:34,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 16 conjunts are in the unsatisfiable core [2023-08-29 19:49:34,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 19:49:34,853 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 19:49:34,853 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-29 19:49:35,042 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 19:49:35,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [880559577] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-29 19:49:35,042 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-29 19:49:35,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 15 [2023-08-29 19:49:35,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103348154] [2023-08-29 19:49:35,043 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-29 19:49:35,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-08-29 19:49:35,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:49:35,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-08-29 19:49:35,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2023-08-29 19:49:35,644 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 352 [2023-08-29 19:49:35,646 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 129 transitions, 737 flow. Second operand has 17 states, 17 states have (on average 116.82352941176471) internal successors, (1986), 17 states have internal predecessors, (1986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:49:35,646 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:49:35,646 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 352 [2023-08-29 19:49:35,646 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:49:43,959 INFO L130 PetriNetUnfolder]: 36882/58982 cut-off events. [2023-08-29 19:49:43,959 INFO L131 PetriNetUnfolder]: For 64067/64269 co-relation queries the response was YES. [2023-08-29 19:49:44,212 INFO L83 FinitePrefix]: Finished finitePrefix Result has 175190 conditions, 58982 events. 36882/58982 cut-off events. For 64067/64269 co-relation queries the response was YES. Maximal size of possible extension queue 3225. Compared 531727 event pairs, 2860 based on Foata normal form. 562/59397 useless extension candidates. Maximal degree in co-relation 175158. Up to 19427 conditions per place. [2023-08-29 19:49:44,259 INFO L137 encePairwiseOnDemand]: 322/352 looper letters, 505 selfloop transitions, 97 changer transitions 586/1204 dead transitions. [2023-08-29 19:49:44,260 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 1204 transitions, 8298 flow [2023-08-29 19:49:44,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-08-29 19:49:44,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2023-08-29 19:49:44,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 6763 transitions. [2023-08-29 19:49:44,265 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.37672682709447414 [2023-08-29 19:49:44,266 INFO L72 ComplementDD]: Start complementDD. Operand 51 states and 6763 transitions. [2023-08-29 19:49:44,266 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 6763 transitions. [2023-08-29 19:49:44,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:49:44,268 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 51 states and 6763 transitions. [2023-08-29 19:49:44,276 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 52 states, 51 states have (on average 132.6078431372549) internal successors, (6763), 51 states have internal predecessors, (6763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:49:44,294 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 52 states, 52 states have (on average 352.0) internal successors, (18304), 52 states have internal predecessors, (18304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:49:44,297 INFO L81 ComplementDD]: Finished complementDD. Result has 52 states, 52 states have (on average 352.0) internal successors, (18304), 52 states have internal predecessors, (18304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:49:44,297 INFO L175 Difference]: Start difference. First operand has 130 places, 129 transitions, 737 flow. Second operand 51 states and 6763 transitions. [2023-08-29 19:49:44,298 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 1204 transitions, 8298 flow [2023-08-29 19:49:44,555 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 1204 transitions, 7943 flow, removed 164 selfloop flow, removed 8 redundant places. [2023-08-29 19:49:44,561 INFO L231 Difference]: Finished difference. Result has 201 places, 201 transitions, 1604 flow [2023-08-29 19:49:44,561 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=352, PETRI_DIFFERENCE_MINUEND_FLOW=672, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=51, PETRI_FLOW=1604, PETRI_PLACES=201, PETRI_TRANSITIONS=201} [2023-08-29 19:49:44,561 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, 114 predicate places. [2023-08-29 19:49:44,561 INFO L495 AbstractCegarLoop]: Abstraction has has 201 places, 201 transitions, 1604 flow [2023-08-29 19:49:44,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 116.82352941176471) internal successors, (1986), 17 states have internal predecessors, (1986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:49:44,562 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:49:44,562 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:49:44,568 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-08-29 19:49:44,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2023-08-29 19:49:44,763 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thr1Err0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1ASSERT_VIOLATIONMEMORY_LEAK, thr1Err1ASSERT_VIOLATIONMEMORY_LEAK (and 8 more)] === [2023-08-29 19:49:44,763 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:49:44,763 INFO L85 PathProgramCache]: Analyzing trace with hash 2008817543, now seen corresponding path program 1 times [2023-08-29 19:49:44,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:49:44,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110439455] [2023-08-29 19:49:44,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:49:44,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:49:44,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:49:44,903 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 19:49:44,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:49:44,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110439455] [2023-08-29 19:49:44,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110439455] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:49:44,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:49:44,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 19:49:44,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301127767] [2023-08-29 19:49:44,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:49:44,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-08-29 19:49:44,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:49:44,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-08-29 19:49:44,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-08-29 19:49:45,100 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 352 [2023-08-29 19:49:45,101 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 201 transitions, 1604 flow. Second operand has 7 states, 7 states have (on average 127.0) internal successors, (889), 7 states have internal predecessors, (889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:49:45,101 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:49:45,101 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 352 [2023-08-29 19:49:45,101 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:49:49,232 INFO L130 PetriNetUnfolder]: 16257/29583 cut-off events. [2023-08-29 19:49:49,232 INFO L131 PetriNetUnfolder]: For 205687/208573 co-relation queries the response was YES. [2023-08-29 19:49:49,401 INFO L83 FinitePrefix]: Finished finitePrefix Result has 122710 conditions, 29583 events. 16257/29583 cut-off events. For 205687/208573 co-relation queries the response was YES. Maximal size of possible extension queue 1811. Compared 288309 event pairs, 4665 based on Foata normal form. 438/29131 useless extension candidates. Maximal degree in co-relation 122649. Up to 13289 conditions per place. [2023-08-29 19:49:49,433 INFO L137 encePairwiseOnDemand]: 340/352 looper letters, 197 selfloop transitions, 27 changer transitions 83/362 dead transitions. [2023-08-29 19:49:49,433 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 362 transitions, 3161 flow [2023-08-29 19:49:49,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 19:49:49,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 19:49:49,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1292 transitions. [2023-08-29 19:49:49,435 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4078282828282828 [2023-08-29 19:49:49,435 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1292 transitions. [2023-08-29 19:49:49,435 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1292 transitions. [2023-08-29 19:49:49,435 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:49:49,435 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1292 transitions. [2023-08-29 19:49:49,436 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 143.55555555555554) internal successors, (1292), 9 states have internal predecessors, (1292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:49:49,438 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 352.0) internal successors, (3520), 10 states have internal predecessors, (3520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:49:49,439 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 352.0) internal successors, (3520), 10 states have internal predecessors, (3520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:49:49,439 INFO L175 Difference]: Start difference. First operand has 201 places, 201 transitions, 1604 flow. Second operand 9 states and 1292 transitions. [2023-08-29 19:49:49,439 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 362 transitions, 3161 flow [2023-08-29 19:49:50,526 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 362 transitions, 2970 flow, removed 79 selfloop flow, removed 11 redundant places. [2023-08-29 19:49:50,529 INFO L231 Difference]: Finished difference. Result has 190 places, 183 transitions, 1394 flow [2023-08-29 19:49:50,529 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=352, PETRI_DIFFERENCE_MINUEND_FLOW=1414, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=198, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1394, PETRI_PLACES=190, PETRI_TRANSITIONS=183} [2023-08-29 19:49:50,529 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, 103 predicate places. [2023-08-29 19:49:50,530 INFO L495 AbstractCegarLoop]: Abstraction has has 190 places, 183 transitions, 1394 flow [2023-08-29 19:49:50,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 127.0) internal successors, (889), 7 states have internal predecessors, (889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:49:50,530 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:49:50,530 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:49:50,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-08-29 19:49:50,530 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thr1Err0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1ASSERT_VIOLATIONMEMORY_LEAK, thr1Err1ASSERT_VIOLATIONMEMORY_LEAK (and 8 more)] === [2023-08-29 19:49:50,530 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:49:50,530 INFO L85 PathProgramCache]: Analyzing trace with hash -103540869, now seen corresponding path program 1 times [2023-08-29 19:49:50,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:49:50,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736076166] [2023-08-29 19:49:50,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:49:50,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:49:50,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:49:50,654 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 19:49:50,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:49:50,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736076166] [2023-08-29 19:49:50,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736076166] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 19:49:50,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [293518615] [2023-08-29 19:49:50,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:49:50,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 19:49:50,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 19:49:50,657 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-29 19:49:50,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-08-29 19:49:50,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:49:50,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 16 conjunts are in the unsatisfiable core [2023-08-29 19:49:50,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 19:49:50,885 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 19:49:50,886 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-29 19:49:51,072 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 19:49:51,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [293518615] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-29 19:49:51,073 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-29 19:49:51,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 15 [2023-08-29 19:49:51,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342297808] [2023-08-29 19:49:51,073 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-29 19:49:51,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-08-29 19:49:51,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:49:51,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-08-29 19:49:51,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2023-08-29 19:49:51,548 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 352 [2023-08-29 19:49:51,549 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 183 transitions, 1394 flow. Second operand has 17 states, 17 states have (on average 117.17647058823529) internal successors, (1992), 17 states have internal predecessors, (1992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:49:51,549 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:49:51,549 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 352 [2023-08-29 19:49:51,549 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:49:58,041 INFO L130 PetriNetUnfolder]: 23184/38043 cut-off events. [2023-08-29 19:49:58,041 INFO L131 PetriNetUnfolder]: For 224382/224518 co-relation queries the response was YES. [2023-08-29 19:49:58,260 INFO L83 FinitePrefix]: Finished finitePrefix Result has 157712 conditions, 38043 events. 23184/38043 cut-off events. For 224382/224518 co-relation queries the response was YES. Maximal size of possible extension queue 2155. Compared 335775 event pairs, 2026 based on Foata normal form. 192/38061 useless extension candidates. Maximal degree in co-relation 157655. Up to 12159 conditions per place. [2023-08-29 19:49:58,296 INFO L137 encePairwiseOnDemand]: 326/352 looper letters, 392 selfloop transitions, 67 changer transitions 393/868 dead transitions. [2023-08-29 19:49:58,296 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 868 transitions, 7776 flow [2023-08-29 19:49:58,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-08-29 19:49:58,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2023-08-29 19:49:58,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 5406 transitions. [2023-08-29 19:49:58,300 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3656655844155844 [2023-08-29 19:49:58,300 INFO L72 ComplementDD]: Start complementDD. Operand 42 states and 5406 transitions. [2023-08-29 19:49:58,301 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 5406 transitions. [2023-08-29 19:49:58,302 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:49:58,302 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 42 states and 5406 transitions. [2023-08-29 19:49:58,307 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 43 states, 42 states have (on average 128.71428571428572) internal successors, (5406), 42 states have internal predecessors, (5406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:49:58,317 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 43 states, 43 states have (on average 352.0) internal successors, (15136), 43 states have internal predecessors, (15136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:49:58,318 INFO L81 ComplementDD]: Finished complementDD. Result has 43 states, 43 states have (on average 352.0) internal successors, (15136), 43 states have internal predecessors, (15136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:49:58,319 INFO L175 Difference]: Start difference. First operand has 190 places, 183 transitions, 1394 flow. Second operand 42 states and 5406 transitions. [2023-08-29 19:49:58,319 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 868 transitions, 7776 flow [2023-08-29 19:49:59,230 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 868 transitions, 7549 flow, removed 86 selfloop flow, removed 11 redundant places. [2023-08-29 19:49:59,236 INFO L231 Difference]: Finished difference. Result has 228 places, 176 transitions, 1697 flow [2023-08-29 19:49:59,236 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=352, PETRI_DIFFERENCE_MINUEND_FLOW=1193, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=42, PETRI_FLOW=1697, PETRI_PLACES=228, PETRI_TRANSITIONS=176} [2023-08-29 19:49:59,236 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, 141 predicate places. [2023-08-29 19:49:59,237 INFO L495 AbstractCegarLoop]: Abstraction has has 228 places, 176 transitions, 1697 flow [2023-08-29 19:49:59,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 117.17647058823529) internal successors, (1992), 17 states have internal predecessors, (1992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:49:59,237 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:49:59,237 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:49:59,245 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-08-29 19:49:59,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 19:49:59,442 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thr1Err0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1ASSERT_VIOLATIONMEMORY_LEAK, thr1Err1ASSERT_VIOLATIONMEMORY_LEAK (and 8 more)] === [2023-08-29 19:49:59,442 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:49:59,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1349504468, now seen corresponding path program 1 times [2023-08-29 19:49:59,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:49:59,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552418923] [2023-08-29 19:49:59,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:49:59,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:49:59,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:49:59,564 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-08-29 19:49:59,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:49:59,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552418923] [2023-08-29 19:49:59,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552418923] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 19:49:59,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1740010073] [2023-08-29 19:49:59,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:49:59,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 19:49:59,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 19:49:59,567 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-29 19:49:59,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-08-29 19:49:59,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:49:59,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 16 conjunts are in the unsatisfiable core [2023-08-29 19:49:59,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 19:49:59,790 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-08-29 19:49:59,790 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-29 19:49:59,960 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-08-29 19:49:59,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1740010073] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-29 19:49:59,960 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-29 19:49:59,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 15 [2023-08-29 19:49:59,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259159388] [2023-08-29 19:49:59,960 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-29 19:49:59,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-08-29 19:49:59,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:49:59,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-08-29 19:49:59,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2023-08-29 19:50:00,396 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 352 [2023-08-29 19:50:00,397 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 176 transitions, 1697 flow. Second operand has 17 states, 17 states have (on average 117.0) internal successors, (1989), 17 states have internal predecessors, (1989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:50:00,398 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:50:00,398 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 352 [2023-08-29 19:50:00,398 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:50:05,736 INFO L130 PetriNetUnfolder]: 14429/25127 cut-off events. [2023-08-29 19:50:05,736 INFO L131 PetriNetUnfolder]: For 317748/317772 co-relation queries the response was YES. [2023-08-29 19:50:05,908 INFO L83 FinitePrefix]: Finished finitePrefix Result has 126365 conditions, 25127 events. 14429/25127 cut-off events. For 317748/317772 co-relation queries the response was YES. Maximal size of possible extension queue 1421. Compared 226673 event pairs, 1621 based on Foata normal form. 232/25308 useless extension candidates. Maximal degree in co-relation 126292. Up to 7511 conditions per place. [2023-08-29 19:50:06,177 INFO L137 encePairwiseOnDemand]: 327/352 looper letters, 321 selfloop transitions, 74 changer transitions 443/854 dead transitions. [2023-08-29 19:50:06,178 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 258 places, 854 transitions, 9674 flow [2023-08-29 19:50:06,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-08-29 19:50:06,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2023-08-29 19:50:06,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 5570 transitions. [2023-08-29 19:50:06,206 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3596332644628099 [2023-08-29 19:50:06,207 INFO L72 ComplementDD]: Start complementDD. Operand 44 states and 5570 transitions. [2023-08-29 19:50:06,207 INFO L73 IsDeterministic]: Start isDeterministic. Operand 44 states and 5570 transitions. [2023-08-29 19:50:06,210 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:50:06,210 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 44 states and 5570 transitions. [2023-08-29 19:50:06,220 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 45 states, 44 states have (on average 126.5909090909091) internal successors, (5570), 44 states have internal predecessors, (5570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:50:06,229 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 45 states, 45 states have (on average 352.0) internal successors, (15840), 45 states have internal predecessors, (15840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:50:06,231 INFO L81 ComplementDD]: Finished complementDD. Result has 45 states, 45 states have (on average 352.0) internal successors, (15840), 45 states have internal predecessors, (15840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:50:06,231 INFO L175 Difference]: Start difference. First operand has 228 places, 176 transitions, 1697 flow. Second operand 44 states and 5570 transitions. [2023-08-29 19:50:06,231 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 258 places, 854 transitions, 9674 flow [2023-08-29 19:50:07,516 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 854 transitions, 9087 flow, removed 252 selfloop flow, removed 10 redundant places. [2023-08-29 19:50:07,522 INFO L231 Difference]: Finished difference. Result has 267 places, 182 transitions, 2126 flow [2023-08-29 19:50:07,522 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=352, PETRI_DIFFERENCE_MINUEND_FLOW=1410, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=44, PETRI_FLOW=2126, PETRI_PLACES=267, PETRI_TRANSITIONS=182} [2023-08-29 19:50:07,523 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, 180 predicate places. [2023-08-29 19:50:07,523 INFO L495 AbstractCegarLoop]: Abstraction has has 267 places, 182 transitions, 2126 flow [2023-08-29 19:50:07,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 117.0) internal successors, (1989), 17 states have internal predecessors, (1989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:50:07,523 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:50:07,524 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:50:07,528 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-08-29 19:50:07,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 19:50:07,726 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thr1Err0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1ASSERT_VIOLATIONMEMORY_LEAK, thr1Err1ASSERT_VIOLATIONMEMORY_LEAK (and 8 more)] === [2023-08-29 19:50:07,726 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:50:07,727 INFO L85 PathProgramCache]: Analyzing trace with hash -239803783, now seen corresponding path program 1 times [2023-08-29 19:50:07,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:50:07,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142282730] [2023-08-29 19:50:07,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:50:07,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:50:07,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:50:07,848 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-08-29 19:50:07,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:50:07,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142282730] [2023-08-29 19:50:07,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142282730] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:50:07,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:50:07,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 19:50:07,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617467239] [2023-08-29 19:50:07,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:50:07,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-08-29 19:50:07,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:50:07,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-08-29 19:50:07,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-08-29 19:50:08,063 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 352 [2023-08-29 19:50:08,064 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 267 places, 182 transitions, 2126 flow. Second operand has 7 states, 7 states have (on average 127.14285714285714) internal successors, (890), 7 states have internal predecessors, (890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:50:08,064 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:50:08,064 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 352 [2023-08-29 19:50:08,064 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:50:10,386 INFO L130 PetriNetUnfolder]: 6874/13610 cut-off events. [2023-08-29 19:50:10,386 INFO L131 PetriNetUnfolder]: For 256360/258296 co-relation queries the response was YES. [2023-08-29 19:50:10,460 INFO L83 FinitePrefix]: Finished finitePrefix Result has 72343 conditions, 13610 events. 6874/13610 cut-off events. For 256360/258296 co-relation queries the response was YES. Maximal size of possible extension queue 824. Compared 129199 event pairs, 1443 based on Foata normal form. 242/13331 useless extension candidates. Maximal degree in co-relation 72253. Up to 4371 conditions per place. [2023-08-29 19:50:10,475 INFO L137 encePairwiseOnDemand]: 340/352 looper letters, 131 selfloop transitions, 19 changer transitions 89/295 dead transitions. [2023-08-29 19:50:10,476 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 259 places, 295 transitions, 3201 flow [2023-08-29 19:50:10,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 19:50:10,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 19:50:10,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1258 transitions. [2023-08-29 19:50:10,478 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3970959595959596 [2023-08-29 19:50:10,478 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1258 transitions. [2023-08-29 19:50:10,478 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1258 transitions. [2023-08-29 19:50:10,479 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:50:10,479 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1258 transitions. [2023-08-29 19:50:10,480 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 139.77777777777777) internal successors, (1258), 9 states have internal predecessors, (1258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:50:10,482 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 352.0) internal successors, (3520), 10 states have internal predecessors, (3520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:50:10,482 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 352.0) internal successors, (3520), 10 states have internal predecessors, (3520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:50:10,483 INFO L175 Difference]: Start difference. First operand has 267 places, 182 transitions, 2126 flow. Second operand 9 states and 1258 transitions. [2023-08-29 19:50:10,483 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 259 places, 295 transitions, 3201 flow [2023-08-29 19:50:11,245 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 295 transitions, 2659 flow, removed 205 selfloop flow, removed 28 redundant places. [2023-08-29 19:50:11,247 INFO L231 Difference]: Finished difference. Result has 233 places, 151 transitions, 1381 flow [2023-08-29 19:50:11,248 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=352, PETRI_DIFFERENCE_MINUEND_FLOW=1503, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=175, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1381, PETRI_PLACES=233, PETRI_TRANSITIONS=151} [2023-08-29 19:50:11,248 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, 146 predicate places. [2023-08-29 19:50:11,248 INFO L495 AbstractCegarLoop]: Abstraction has has 233 places, 151 transitions, 1381 flow [2023-08-29 19:50:11,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 127.14285714285714) internal successors, (890), 7 states have internal predecessors, (890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:50:11,248 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:50:11,249 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:50:11,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-08-29 19:50:11,249 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thr1Err0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1ASSERT_VIOLATIONMEMORY_LEAK, thr1Err1ASSERT_VIOLATIONMEMORY_LEAK (and 8 more)] === [2023-08-29 19:50:11,249 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:50:11,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1930519152, now seen corresponding path program 1 times [2023-08-29 19:50:11,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:50:11,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656457639] [2023-08-29 19:50:11,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:50:11,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:50:11,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:50:11,358 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-08-29 19:50:11,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:50:11,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656457639] [2023-08-29 19:50:11,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656457639] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:50:11,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:50:11,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 19:50:11,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840035654] [2023-08-29 19:50:11,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:50:11,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-08-29 19:50:11,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:50:11,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-08-29 19:50:11,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-08-29 19:50:11,516 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 352 [2023-08-29 19:50:11,517 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 151 transitions, 1381 flow. Second operand has 7 states, 7 states have (on average 127.14285714285714) internal successors, (890), 7 states have internal predecessors, (890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:50:11,517 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:50:11,517 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 352 [2023-08-29 19:50:11,517 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:50:12,883 INFO L130 PetriNetUnfolder]: 4375/9032 cut-off events. [2023-08-29 19:50:12,883 INFO L131 PetriNetUnfolder]: For 148761/150376 co-relation queries the response was YES. [2023-08-29 19:50:12,934 INFO L83 FinitePrefix]: Finished finitePrefix Result has 45649 conditions, 9032 events. 4375/9032 cut-off events. For 148761/150376 co-relation queries the response was YES. Maximal size of possible extension queue 637. Compared 83663 event pairs, 824 based on Foata normal form. 138/8804 useless extension candidates. Maximal degree in co-relation 45574. Up to 3669 conditions per place. [2023-08-29 19:50:12,946 INFO L137 encePairwiseOnDemand]: 342/352 looper letters, 110 selfloop transitions, 19 changer transitions 70/250 dead transitions. [2023-08-29 19:50:12,947 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 250 transitions, 2337 flow [2023-08-29 19:50:12,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 19:50:12,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 19:50:12,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1233 transitions. [2023-08-29 19:50:12,948 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.38920454545454547 [2023-08-29 19:50:12,948 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1233 transitions. [2023-08-29 19:50:12,948 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1233 transitions. [2023-08-29 19:50:12,948 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:50:12,948 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1233 transitions. [2023-08-29 19:50:12,949 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 137.0) internal successors, (1233), 9 states have internal predecessors, (1233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:50:12,951 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 352.0) internal successors, (3520), 10 states have internal predecessors, (3520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:50:12,951 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 352.0) internal successors, (3520), 10 states have internal predecessors, (3520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:50:12,951 INFO L175 Difference]: Start difference. First operand has 233 places, 151 transitions, 1381 flow. Second operand 9 states and 1233 transitions. [2023-08-29 19:50:12,951 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 250 transitions, 2337 flow [2023-08-29 19:50:13,148 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 250 transitions, 2283 flow, removed 7 selfloop flow, removed 12 redundant places. [2023-08-29 19:50:13,151 INFO L231 Difference]: Finished difference. Result has 217 places, 131 transitions, 1252 flow [2023-08-29 19:50:13,151 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=352, PETRI_DIFFERENCE_MINUEND_FLOW=1316, PETRI_DIFFERENCE_MINUEND_PLACES=207, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1252, PETRI_PLACES=217, PETRI_TRANSITIONS=131} [2023-08-29 19:50:13,151 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, 130 predicate places. [2023-08-29 19:50:13,151 INFO L495 AbstractCegarLoop]: Abstraction has has 217 places, 131 transitions, 1252 flow [2023-08-29 19:50:13,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 127.14285714285714) internal successors, (890), 7 states have internal predecessors, (890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:50:13,152 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:50:13,152 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:50:13,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-08-29 19:50:13,152 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thr1Err0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1ASSERT_VIOLATIONMEMORY_LEAK, thr1Err1ASSERT_VIOLATIONMEMORY_LEAK (and 8 more)] === [2023-08-29 19:50:13,152 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:50:13,153 INFO L85 PathProgramCache]: Analyzing trace with hash 564574896, now seen corresponding path program 1 times [2023-08-29 19:50:13,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:50:13,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584103782] [2023-08-29 19:50:13,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:50:13,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:50:13,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:50:13,388 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-08-29 19:50:13,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:50:13,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584103782] [2023-08-29 19:50:13,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584103782] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:50:13,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:50:13,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-29 19:50:13,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204894339] [2023-08-29 19:50:13,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:50:13,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-29 19:50:13,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:50:13,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-29 19:50:13,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-08-29 19:50:13,841 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 352 [2023-08-29 19:50:13,842 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 131 transitions, 1252 flow. Second operand has 9 states, 9 states have (on average 124.11111111111111) internal successors, (1117), 9 states have internal predecessors, (1117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:50:13,842 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:50:13,842 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 352 [2023-08-29 19:50:13,842 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:50:14,817 INFO L130 PetriNetUnfolder]: 3351/6946 cut-off events. [2023-08-29 19:50:14,817 INFO L131 PetriNetUnfolder]: For 108781/109921 co-relation queries the response was YES. [2023-08-29 19:50:14,855 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35384 conditions, 6946 events. 3351/6946 cut-off events. For 108781/109921 co-relation queries the response was YES. Maximal size of possible extension queue 530. Compared 62527 event pairs, 562 based on Foata normal form. 54/6713 useless extension candidates. Maximal degree in co-relation 35313. Up to 3649 conditions per place. [2023-08-29 19:50:14,864 INFO L137 encePairwiseOnDemand]: 343/352 looper letters, 86 selfloop transitions, 10 changer transitions 68/201 dead transitions. [2023-08-29 19:50:14,864 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 201 transitions, 1912 flow [2023-08-29 19:50:14,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 19:50:14,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 19:50:14,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1312 transitions. [2023-08-29 19:50:14,866 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.37272727272727274 [2023-08-29 19:50:14,866 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1312 transitions. [2023-08-29 19:50:14,867 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1312 transitions. [2023-08-29 19:50:14,867 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:50:14,867 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1312 transitions. [2023-08-29 19:50:14,869 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 131.2) internal successors, (1312), 10 states have internal predecessors, (1312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:50:14,871 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 352.0) internal successors, (3872), 11 states have internal predecessors, (3872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:50:14,871 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 352.0) internal successors, (3872), 11 states have internal predecessors, (3872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:50:14,871 INFO L175 Difference]: Start difference. First operand has 217 places, 131 transitions, 1252 flow. Second operand 10 states and 1312 transitions. [2023-08-29 19:50:14,871 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 201 transitions, 1912 flow [2023-08-29 19:50:15,023 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 201 transitions, 1825 flow, removed 21 selfloop flow, removed 13 redundant places. [2023-08-29 19:50:15,025 INFO L231 Difference]: Finished difference. Result has 198 places, 106 transitions, 982 flow [2023-08-29 19:50:15,025 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=352, PETRI_DIFFERENCE_MINUEND_FLOW=1146, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=982, PETRI_PLACES=198, PETRI_TRANSITIONS=106} [2023-08-29 19:50:15,025 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, 111 predicate places. [2023-08-29 19:50:15,026 INFO L495 AbstractCegarLoop]: Abstraction has has 198 places, 106 transitions, 982 flow [2023-08-29 19:50:15,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 124.11111111111111) internal successors, (1117), 9 states have internal predecessors, (1117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:50:15,026 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:50:15,026 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:50:15,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-08-29 19:50:15,027 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thr1Err0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1ASSERT_VIOLATIONMEMORY_LEAK, thr1Err1ASSERT_VIOLATIONMEMORY_LEAK (and 8 more)] === [2023-08-29 19:50:15,027 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:50:15,027 INFO L85 PathProgramCache]: Analyzing trace with hash 196227846, now seen corresponding path program 2 times [2023-08-29 19:50:15,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:50:15,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051217620] [2023-08-29 19:50:15,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:50:15,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:50:15,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:50:15,175 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-08-29 19:50:15,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:50:15,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051217620] [2023-08-29 19:50:15,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051217620] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:50:15,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:50:15,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-29 19:50:15,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018518544] [2023-08-29 19:50:15,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:50:15,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-29 19:50:15,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:50:15,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-29 19:50:15,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-08-29 19:50:15,501 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 352 [2023-08-29 19:50:15,502 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 106 transitions, 982 flow. Second operand has 9 states, 9 states have (on average 124.11111111111111) internal successors, (1117), 9 states have internal predecessors, (1117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:50:15,502 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:50:15,502 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 352 [2023-08-29 19:50:15,502 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:50:16,267 INFO L130 PetriNetUnfolder]: 1919/4310 cut-off events. [2023-08-29 19:50:16,267 INFO L131 PetriNetUnfolder]: For 58812/59524 co-relation queries the response was YES. [2023-08-29 19:50:16,288 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22258 conditions, 4310 events. 1919/4310 cut-off events. For 58812/59524 co-relation queries the response was YES. Maximal size of possible extension queue 391. Compared 38414 event pairs, 318 based on Foata normal form. 58/4216 useless extension candidates. Maximal degree in co-relation 22196. Up to 1419 conditions per place. [2023-08-29 19:50:16,293 INFO L137 encePairwiseOnDemand]: 342/352 looper letters, 71 selfloop transitions, 18 changer transitions 86/204 dead transitions. [2023-08-29 19:50:16,294 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 204 transitions, 1795 flow [2023-08-29 19:50:16,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-08-29 19:50:16,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-08-29 19:50:16,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 2067 transitions. [2023-08-29 19:50:16,296 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3670099431818182 [2023-08-29 19:50:16,296 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 2067 transitions. [2023-08-29 19:50:16,296 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 2067 transitions. [2023-08-29 19:50:16,296 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:50:16,296 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 2067 transitions. [2023-08-29 19:50:16,298 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 129.1875) internal successors, (2067), 16 states have internal predecessors, (2067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:50:16,302 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 352.0) internal successors, (5984), 17 states have internal predecessors, (5984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:50:16,302 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 352.0) internal successors, (5984), 17 states have internal predecessors, (5984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:50:16,302 INFO L175 Difference]: Start difference. First operand has 198 places, 106 transitions, 982 flow. Second operand 16 states and 2067 transitions. [2023-08-29 19:50:16,302 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 204 transitions, 1795 flow [2023-08-29 19:50:16,390 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 204 transitions, 1663 flow, removed 31 selfloop flow, removed 22 redundant places. [2023-08-29 19:50:16,392 INFO L231 Difference]: Finished difference. Result has 174 places, 89 transitions, 776 flow [2023-08-29 19:50:16,392 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=352, PETRI_DIFFERENCE_MINUEND_FLOW=850, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=776, PETRI_PLACES=174, PETRI_TRANSITIONS=89} [2023-08-29 19:50:16,392 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, 87 predicate places. [2023-08-29 19:50:16,392 INFO L495 AbstractCegarLoop]: Abstraction has has 174 places, 89 transitions, 776 flow [2023-08-29 19:50:16,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 124.11111111111111) internal successors, (1117), 9 states have internal predecessors, (1117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:50:16,393 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:50:16,393 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:50:16,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-08-29 19:50:16,393 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thr1Err0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1ASSERT_VIOLATIONMEMORY_LEAK, thr1Err1ASSERT_VIOLATIONMEMORY_LEAK (and 8 more)] === [2023-08-29 19:50:16,393 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:50:16,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1157121278, now seen corresponding path program 1 times [2023-08-29 19:50:16,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:50:16,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473622196] [2023-08-29 19:50:16,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:50:16,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:50:16,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:50:16,565 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-08-29 19:50:16,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:50:16,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473622196] [2023-08-29 19:50:16,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473622196] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 19:50:16,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1419565629] [2023-08-29 19:50:16,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:50:16,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 19:50:16,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 19:50:16,567 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-29 19:50:16,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-08-29 19:50:16,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:50:16,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 20 conjunts are in the unsatisfiable core [2023-08-29 19:50:16,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 19:50:16,854 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-08-29 19:50:16,855 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-29 19:50:17,082 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-08-29 19:50:17,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1419565629] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-29 19:50:17,083 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-29 19:50:17,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 21 [2023-08-29 19:50:17,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877345696] [2023-08-29 19:50:17,083 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-29 19:50:17,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-08-29 19:50:17,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:50:17,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-08-29 19:50:17,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=403, Unknown=0, NotChecked=0, Total=506 [2023-08-29 19:50:17,874 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 352 [2023-08-29 19:50:17,875 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 174 places, 89 transitions, 776 flow. Second operand has 23 states, 23 states have (on average 112.8695652173913) internal successors, (2596), 23 states have internal predecessors, (2596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:50:17,875 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:50:17,875 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 352 [2023-08-29 19:50:17,875 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:50:19,185 INFO L130 PetriNetUnfolder]: 2400/4475 cut-off events. [2023-08-29 19:50:19,186 INFO L131 PetriNetUnfolder]: For 46858/46858 co-relation queries the response was YES. [2023-08-29 19:50:19,201 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22079 conditions, 4475 events. 2400/4475 cut-off events. For 46858/46858 co-relation queries the response was YES. Maximal size of possible extension queue 381. Compared 34480 event pairs, 379 based on Foata normal form. 22/4496 useless extension candidates. Maximal degree in co-relation 22031. Up to 1387 conditions per place. [2023-08-29 19:50:19,207 INFO L137 encePairwiseOnDemand]: 334/352 looper letters, 102 selfloop transitions, 26 changer transitions 146/282 dead transitions. [2023-08-29 19:50:19,207 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 282 transitions, 2857 flow [2023-08-29 19:50:19,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-08-29 19:50:19,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2023-08-29 19:50:19,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 2835 transitions. [2023-08-29 19:50:19,209 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.33558238636363635 [2023-08-29 19:50:19,209 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 2835 transitions. [2023-08-29 19:50:19,209 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 2835 transitions. [2023-08-29 19:50:19,210 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:50:19,210 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 2835 transitions. [2023-08-29 19:50:19,212 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 118.125) internal successors, (2835), 24 states have internal predecessors, (2835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:50:19,218 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 352.0) internal successors, (8800), 25 states have internal predecessors, (8800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:50:19,218 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 352.0) internal successors, (8800), 25 states have internal predecessors, (8800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:50:19,218 INFO L175 Difference]: Start difference. First operand has 174 places, 89 transitions, 776 flow. Second operand 24 states and 2835 transitions. [2023-08-29 19:50:19,219 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 282 transitions, 2857 flow [2023-08-29 19:50:19,293 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 282 transitions, 2582 flow, removed 105 selfloop flow, removed 17 redundant places. [2023-08-29 19:50:19,295 INFO L231 Difference]: Finished difference. Result has 156 places, 72 transitions, 627 flow [2023-08-29 19:50:19,296 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=352, PETRI_DIFFERENCE_MINUEND_FLOW=633, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=627, PETRI_PLACES=156, PETRI_TRANSITIONS=72} [2023-08-29 19:50:19,296 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, 69 predicate places. [2023-08-29 19:50:19,296 INFO L495 AbstractCegarLoop]: Abstraction has has 156 places, 72 transitions, 627 flow [2023-08-29 19:50:19,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 112.8695652173913) internal successors, (2596), 23 states have internal predecessors, (2596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:50:19,297 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:50:19,297 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:50:19,301 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-08-29 19:50:19,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2023-08-29 19:50:19,498 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting thr1Err0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1ASSERT_VIOLATIONMEMORY_LEAK, thr1Err1ASSERT_VIOLATIONMEMORY_LEAK (and 8 more)] === [2023-08-29 19:50:19,498 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:50:19,498 INFO L85 PathProgramCache]: Analyzing trace with hash 902761926, now seen corresponding path program 3 times [2023-08-29 19:50:19,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:50:19,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281850881] [2023-08-29 19:50:19,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:50:19,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:50:19,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:50:19,653 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-08-29 19:50:19,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:50:19,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281850881] [2023-08-29 19:50:19,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281850881] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:50:19,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:50:19,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-29 19:50:19,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829125530] [2023-08-29 19:50:19,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:50:19,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-29 19:50:19,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:50:19,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-29 19:50:19,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-08-29 19:50:19,991 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 352 [2023-08-29 19:50:19,992 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 72 transitions, 627 flow. Second operand has 9 states, 9 states have (on average 124.11111111111111) internal successors, (1117), 9 states have internal predecessors, (1117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:50:19,992 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:50:19,992 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 352 [2023-08-29 19:50:19,993 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:50:20,368 INFO L130 PetriNetUnfolder]: 533/1410 cut-off events. [2023-08-29 19:50:20,369 INFO L131 PetriNetUnfolder]: For 10755/10807 co-relation queries the response was YES. [2023-08-29 19:50:20,373 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6271 conditions, 1410 events. 533/1410 cut-off events. For 10755/10807 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 10959 event pairs, 36 based on Foata normal form. 24/1398 useless extension candidates. Maximal degree in co-relation 6229. Up to 485 conditions per place. [2023-08-29 19:50:20,375 INFO L137 encePairwiseOnDemand]: 342/352 looper letters, 31 selfloop transitions, 9 changer transitions 73/128 dead transitions. [2023-08-29 19:50:20,375 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 128 transitions, 1077 flow [2023-08-29 19:50:20,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-08-29 19:50:20,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-08-29 19:50:20,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1911 transitions. [2023-08-29 19:50:20,377 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3619318181818182 [2023-08-29 19:50:20,377 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1911 transitions. [2023-08-29 19:50:20,377 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1911 transitions. [2023-08-29 19:50:20,377 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:50:20,377 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1911 transitions. [2023-08-29 19:50:20,378 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 127.4) internal successors, (1911), 15 states have internal predecessors, (1911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:50:20,382 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 352.0) internal successors, (5632), 16 states have internal predecessors, (5632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:50:20,382 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 352.0) internal successors, (5632), 16 states have internal predecessors, (5632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:50:20,382 INFO L175 Difference]: Start difference. First operand has 156 places, 72 transitions, 627 flow. Second operand 15 states and 1911 transitions. [2023-08-29 19:50:20,382 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 128 transitions, 1077 flow [2023-08-29 19:50:20,402 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 128 transitions, 972 flow, removed 18 selfloop flow, removed 23 redundant places. [2023-08-29 19:50:20,404 INFO L231 Difference]: Finished difference. Result has 134 places, 50 transitions, 374 flow [2023-08-29 19:50:20,404 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=352, PETRI_DIFFERENCE_MINUEND_FLOW=513, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=374, PETRI_PLACES=134, PETRI_TRANSITIONS=50} [2023-08-29 19:50:20,405 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, 47 predicate places. [2023-08-29 19:50:20,405 INFO L495 AbstractCegarLoop]: Abstraction has has 134 places, 50 transitions, 374 flow [2023-08-29 19:50:20,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 124.11111111111111) internal successors, (1117), 9 states have internal predecessors, (1117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:50:20,405 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:50:20,405 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:50:20,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-08-29 19:50:20,406 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thr1Err0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1ASSERT_VIOLATIONMEMORY_LEAK, thr1Err1ASSERT_VIOLATIONMEMORY_LEAK (and 8 more)] === [2023-08-29 19:50:20,406 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:50:20,406 INFO L85 PathProgramCache]: Analyzing trace with hash -943227066, now seen corresponding path program 4 times [2023-08-29 19:50:20,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:50:20,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314707400] [2023-08-29 19:50:20,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:50:20,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:50:20,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:50:20,567 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-08-29 19:50:20,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:50:20,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314707400] [2023-08-29 19:50:20,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314707400] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:50:20,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:50:20,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-29 19:50:20,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095261114] [2023-08-29 19:50:20,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:50:20,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-29 19:50:20,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:50:20,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-29 19:50:20,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-08-29 19:50:20,870 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 352 [2023-08-29 19:50:20,870 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 50 transitions, 374 flow. Second operand has 9 states, 9 states have (on average 124.11111111111111) internal successors, (1117), 9 states have internal predecessors, (1117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:50:20,870 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:50:20,871 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 352 [2023-08-29 19:50:20,871 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:50:21,105 INFO L130 PetriNetUnfolder]: 207/600 cut-off events. [2023-08-29 19:50:21,106 INFO L131 PetriNetUnfolder]: For 3830/3856 co-relation queries the response was YES. [2023-08-29 19:50:21,108 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2565 conditions, 600 events. 207/600 cut-off events. For 3830/3856 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 4057 event pairs, 28 based on Foata normal form. 14/602 useless extension candidates. Maximal degree in co-relation 2529. Up to 247 conditions per place. [2023-08-29 19:50:21,109 INFO L137 encePairwiseOnDemand]: 344/352 looper letters, 28 selfloop transitions, 4 changer transitions 34/78 dead transitions. [2023-08-29 19:50:21,109 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 78 transitions, 617 flow [2023-08-29 19:50:21,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 19:50:21,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 19:50:21,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1270 transitions. [2023-08-29 19:50:21,111 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.36079545454545453 [2023-08-29 19:50:21,111 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1270 transitions. [2023-08-29 19:50:21,111 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1270 transitions. [2023-08-29 19:50:21,112 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:50:21,112 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1270 transitions. [2023-08-29 19:50:21,113 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 127.0) internal successors, (1270), 10 states have internal predecessors, (1270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:50:21,115 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 352.0) internal successors, (3872), 11 states have internal predecessors, (3872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:50:21,116 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 352.0) internal successors, (3872), 11 states have internal predecessors, (3872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:50:21,116 INFO L175 Difference]: Start difference. First operand has 134 places, 50 transitions, 374 flow. Second operand 10 states and 1270 transitions. [2023-08-29 19:50:21,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 78 transitions, 617 flow [2023-08-29 19:50:21,122 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 78 transitions, 557 flow, removed 14 selfloop flow, removed 20 redundant places. [2023-08-29 19:50:21,123 INFO L231 Difference]: Finished difference. Result has 99 places, 41 transitions, 252 flow [2023-08-29 19:50:21,123 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=352, PETRI_DIFFERENCE_MINUEND_FLOW=314, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=252, PETRI_PLACES=99, PETRI_TRANSITIONS=41} [2023-08-29 19:50:21,124 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, 12 predicate places. [2023-08-29 19:50:21,124 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 41 transitions, 252 flow [2023-08-29 19:50:21,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 124.11111111111111) internal successors, (1117), 9 states have internal predecessors, (1117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:50:21,124 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:50:21,125 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:50:21,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2023-08-29 19:50:21,125 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thr1Err0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thr1Err1ASSERT_VIOLATIONMEMORY_LEAK, thr1Err1ASSERT_VIOLATIONMEMORY_LEAK (and 8 more)] === [2023-08-29 19:50:21,125 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:50:21,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1806734842, now seen corresponding path program 5 times [2023-08-29 19:50:21,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:50:21,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332505109] [2023-08-29 19:50:21,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:50:21,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:50:21,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:50:21,276 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-08-29 19:50:21,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:50:21,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332505109] [2023-08-29 19:50:21,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332505109] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:50:21,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:50:21,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-29 19:50:21,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373927979] [2023-08-29 19:50:21,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:50:21,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-29 19:50:21,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:50:21,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-29 19:50:21,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-08-29 19:50:21,613 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 352 [2023-08-29 19:50:21,614 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 41 transitions, 252 flow. Second operand has 9 states, 9 states have (on average 124.11111111111111) internal successors, (1117), 9 states have internal predecessors, (1117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:50:21,614 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:50:21,614 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 352 [2023-08-29 19:50:21,614 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:50:21,784 INFO L130 PetriNetUnfolder]: 90/279 cut-off events. [2023-08-29 19:50:21,784 INFO L131 PetriNetUnfolder]: For 841/857 co-relation queries the response was YES. [2023-08-29 19:50:21,785 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1039 conditions, 279 events. 90/279 cut-off events. For 841/857 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1419 event pairs, 12 based on Foata normal form. 12/283 useless extension candidates. Maximal degree in co-relation 1011. Up to 138 conditions per place. [2023-08-29 19:50:21,786 INFO L137 encePairwiseOnDemand]: 344/352 looper letters, 0 selfloop transitions, 0 changer transitions 54/54 dead transitions. [2023-08-29 19:50:21,786 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 54 transitions, 374 flow [2023-08-29 19:50:21,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 19:50:21,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 19:50:21,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1133 transitions. [2023-08-29 19:50:21,788 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3576388888888889 [2023-08-29 19:50:21,788 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1133 transitions. [2023-08-29 19:50:21,788 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1133 transitions. [2023-08-29 19:50:21,789 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:50:21,789 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1133 transitions. [2023-08-29 19:50:21,790 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 125.88888888888889) internal successors, (1133), 9 states have internal predecessors, (1133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:50:21,792 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 352.0) internal successors, (3520), 10 states have internal predecessors, (3520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:50:21,792 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 352.0) internal successors, (3520), 10 states have internal predecessors, (3520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:50:21,792 INFO L175 Difference]: Start difference. First operand has 99 places, 41 transitions, 252 flow. Second operand 9 states and 1133 transitions. [2023-08-29 19:50:21,792 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 54 transitions, 374 flow [2023-08-29 19:50:21,794 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 54 transitions, 318 flow, removed 11 selfloop flow, removed 20 redundant places. [2023-08-29 19:50:21,795 INFO L231 Difference]: Finished difference. Result has 74 places, 0 transitions, 0 flow [2023-08-29 19:50:21,795 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=352, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=0, PETRI_PLACES=74, PETRI_TRANSITIONS=0} [2023-08-29 19:50:21,796 INFO L281 CegarLoopForPetriNet]: 87 programPoint places, -13 predicate places. [2023-08-29 19:50:21,796 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 0 transitions, 0 flow [2023-08-29 19:50:21,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 124.11111111111111) internal successors, (1117), 9 states have internal predecessors, (1117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:50:21,796 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 11 remaining) [2023-08-29 19:50:21,797 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONMEMORY_LEAK (9 of 11 remaining) [2023-08-29 19:50:21,797 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONMEMORY_LEAK (8 of 11 remaining) [2023-08-29 19:50:21,797 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (7 of 11 remaining) [2023-08-29 19:50:21,797 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONMEMORY_LEAK (6 of 11 remaining) [2023-08-29 19:50:21,797 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONMEMORY_LEAK (5 of 11 remaining) [2023-08-29 19:50:21,797 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONMEMORY_LEAK (4 of 11 remaining) [2023-08-29 19:50:21,798 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONMEMORY_LEAK (3 of 11 remaining) [2023-08-29 19:50:21,798 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONMEMORY_LEAK (2 of 11 remaining) [2023-08-29 19:50:21,798 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONMEMORY_LEAK (1 of 11 remaining) [2023-08-29 19:50:21,798 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 11 remaining) [2023-08-29 19:50:21,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2023-08-29 19:50:21,798 INFO L445 BasicCegarLoop]: Path program histogram: [5, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 19:50:21,799 INFO L307 ceAbstractionStarter]: Result for error location AllErrorsAtOnce was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/2) [2023-08-29 19:50:21,801 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 186 places, 195 transitions, 411 flow [2023-08-29 19:50:21,818 INFO L130 PetriNetUnfolder]: 19/244 cut-off events. [2023-08-29 19:50:21,818 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2023-08-29 19:50:21,819 INFO L83 FinitePrefix]: Finished finitePrefix Result has 260 conditions, 244 events. 19/244 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 924 event pairs, 0 based on Foata normal form. 0/203 useless extension candidates. Maximal degree in co-relation 177. Up to 8 conditions per place. [2023-08-29 19:50:21,819 INFO L82 GeneralOperation]: Start removeDead. Operand has 186 places, 195 transitions, 411 flow [2023-08-29 19:50:21,821 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 186 places, 195 transitions, 411 flow [2023-08-29 19:50:21,821 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 19:50:21,821 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 186 places, 195 transitions, 411 flow [2023-08-29 19:50:21,821 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 186 places, 195 transitions, 411 flow [2023-08-29 19:50:21,821 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 186 places, 195 transitions, 411 flow [2023-08-29 19:50:21,838 INFO L130 PetriNetUnfolder]: 19/244 cut-off events. [2023-08-29 19:50:21,838 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2023-08-29 19:50:21,840 INFO L83 FinitePrefix]: Finished finitePrefix Result has 260 conditions, 244 events. 19/244 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 924 event pairs, 0 based on Foata normal form. 0/203 useless extension candidates. Maximal degree in co-relation 177. Up to 8 conditions per place. [2023-08-29 19:50:21,847 INFO L119 LiptonReduction]: Number of co-enabled transitions 22896 [2023-08-29 19:50:24,559 INFO L134 LiptonReduction]: Checked pairs total: 90112 [2023-08-29 19:50:24,559 INFO L136 LiptonReduction]: Total number of compositions: 157 [2023-08-29 19:50:24,560 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-29 19:50:24,560 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=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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;@1b1245d9, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 19:50:24,560 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-29 19:50:24,564 INFO L130 PetriNetUnfolder]: 8/88 cut-off events. [2023-08-29 19:50:24,564 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2023-08-29 19:50:24,564 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:50:24,564 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1] [2023-08-29 19:50:24,564 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-29 19:50:24,564 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:50:24,565 INFO L85 PathProgramCache]: Analyzing trace with hash -1795532898, now seen corresponding path program 1 times [2023-08-29 19:50:24,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:50:24,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427804799] [2023-08-29 19:50:24,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:50:24,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:50:24,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 19:50:24,573 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-29 19:50:24,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 19:50:24,580 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-29 19:50:24,580 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-29 19:50:24,580 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-29 19:50:24,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2023-08-29 19:50:24,581 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-29 19:50:24,581 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (2/2) [2023-08-29 19:50:24,581 WARN L233 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-29 19:50:24,581 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2023-08-29 19:50:24,606 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-29 19:50:24,609 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 237 places, 249 transitions, 530 flow [2023-08-29 19:50:24,636 INFO L130 PetriNetUnfolder]: 25/315 cut-off events. [2023-08-29 19:50:24,637 INFO L131 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2023-08-29 19:50:24,639 INFO L83 FinitePrefix]: Finished finitePrefix Result has 338 conditions, 315 events. 25/315 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1292 event pairs, 0 based on Foata normal form. 0/262 useless extension candidates. Maximal degree in co-relation 252. Up to 10 conditions per place. [2023-08-29 19:50:24,639 INFO L82 GeneralOperation]: Start removeDead. Operand has 237 places, 249 transitions, 530 flow [2023-08-29 19:50:24,641 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 237 places, 249 transitions, 530 flow [2023-08-29 19:50:24,641 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 19:50:24,641 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 237 places, 249 transitions, 530 flow [2023-08-29 19:50:24,641 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 237 places, 249 transitions, 530 flow [2023-08-29 19:50:24,642 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 237 places, 249 transitions, 530 flow [2023-08-29 19:50:24,670 INFO L130 PetriNetUnfolder]: 25/315 cut-off events. [2023-08-29 19:50:24,670 INFO L131 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2023-08-29 19:50:24,672 INFO L83 FinitePrefix]: Finished finitePrefix Result has 338 conditions, 315 events. 25/315 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1292 event pairs, 0 based on Foata normal form. 0/262 useless extension candidates. Maximal degree in co-relation 252. Up to 10 conditions per place. [2023-08-29 19:50:24,681 INFO L119 LiptonReduction]: Number of co-enabled transitions 41976 [2023-08-29 19:50:28,492 INFO L134 LiptonReduction]: Checked pairs total: 166511 [2023-08-29 19:50:28,492 INFO L136 LiptonReduction]: Total number of compositions: 196 [2023-08-29 19:50:28,493 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 19:50:28,493 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=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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;@1b1245d9, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 19:50:28,493 INFO L358 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2023-08-29 19:50:28,494 INFO L130 PetriNetUnfolder]: 0/1 cut-off events. [2023-08-29 19:50:28,494 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 19:50:28,494 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:50:28,494 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2023-08-29 19:50:28,494 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [thr1Err1ASSERT_VIOLATIONMEMORY_LEAK, thr1Err0ASSERT_VIOLATIONMEMORY_LEAK, thr1Err1ASSERT_VIOLATIONMEMORY_LEAK, thr1Err0ASSERT_VIOLATIONMEMORY_LEAK (and 9 more)] === [2023-08-29 19:50:28,494 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:50:28,494 INFO L85 PathProgramCache]: Analyzing trace with hash 70090, now seen corresponding path program 1 times [2023-08-29 19:50:28,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:50:28,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242739622] [2023-08-29 19:50:28,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:50:28,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:50:28,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:50:28,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 19:50:28,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:50:28,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242739622] [2023-08-29 19:50:28,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242739622] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:50:28,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:50:28,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-29 19:50:28,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721368906] [2023-08-29 19:50:28,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:50:28,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 19:50:28,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:50:28,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 19:50:28,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 19:50:28,512 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 445 [2023-08-29 19:50:28,513 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 123 transitions, 278 flow. Second operand has 2 states, 2 states have (on average 188.0) internal successors, (376), 2 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:50:28,513 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:50:28,513 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 445 [2023-08-29 19:50:28,513 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:50:48,337 INFO L130 PetriNetUnfolder]: 216169/309887 cut-off events. [2023-08-29 19:50:48,337 INFO L131 PetriNetUnfolder]: For 14298/14298 co-relation queries the response was YES. [2023-08-29 19:50:48,772 INFO L83 FinitePrefix]: Finished finitePrefix Result has 582758 conditions, 309887 events. 216169/309887 cut-off events. For 14298/14298 co-relation queries the response was YES. Maximal size of possible extension queue 13867. Compared 2756231 event pairs, 160477 based on Foata normal form. 9278/255171 useless extension candidates. Maximal degree in co-relation 46561. Up to 265014 conditions per place. [2023-08-29 19:50:49,909 INFO L137 encePairwiseOnDemand]: 436/445 looper letters, 57 selfloop transitions, 0 changer transitions 0/109 dead transitions. [2023-08-29 19:50:49,909 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 109 transitions, 364 flow [2023-08-29 19:50:49,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 19:50:49,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 19:50:49,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 440 transitions. [2023-08-29 19:50:49,910 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4943820224719101 [2023-08-29 19:50:49,910 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 440 transitions. [2023-08-29 19:50:49,910 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 440 transitions. [2023-08-29 19:50:49,910 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:50:49,911 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 440 transitions. [2023-08-29 19:50:49,912 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 220.0) internal successors, (440), 2 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:50:49,913 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 445.0) internal successors, (1335), 3 states have internal predecessors, (1335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:50:49,913 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 445.0) internal successors, (1335), 3 states have internal predecessors, (1335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:50:49,914 INFO L175 Difference]: Start difference. First operand has 113 places, 123 transitions, 278 flow. Second operand 2 states and 440 transitions. [2023-08-29 19:50:49,914 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 109 transitions, 364 flow [2023-08-29 19:50:49,918 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 109 transitions, 352 flow, removed 6 selfloop flow, removed 0 redundant places. [2023-08-29 19:50:49,919 INFO L231 Difference]: Finished difference. Result has 107 places, 109 transitions, 238 flow [2023-08-29 19:50:49,919 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=445, PETRI_DIFFERENCE_MINUEND_FLOW=238, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=238, PETRI_PLACES=107, PETRI_TRANSITIONS=109} [2023-08-29 19:50:49,919 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, -6 predicate places. [2023-08-29 19:50:49,919 INFO L495 AbstractCegarLoop]: Abstraction has has 107 places, 109 transitions, 238 flow [2023-08-29 19:50:49,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 188.0) internal successors, (376), 2 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:50:49,920 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:50:49,920 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2023-08-29 19:50:49,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2023-08-29 19:50:49,920 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thr1Err1ASSERT_VIOLATIONMEMORY_LEAK, thr1Err0ASSERT_VIOLATIONMEMORY_LEAK, thr1Err1ASSERT_VIOLATIONMEMORY_LEAK, thr1Err0ASSERT_VIOLATIONMEMORY_LEAK (and 9 more)] === [2023-08-29 19:50:49,920 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:50:49,920 INFO L85 PathProgramCache]: Analyzing trace with hash 70118, now seen corresponding path program 1 times [2023-08-29 19:50:49,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:50:49,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034904133] [2023-08-29 19:50:49,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:50:49,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:50:49,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:50:49,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 19:50:49,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:50:49,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034904133] [2023-08-29 19:50:49,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034904133] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:50:49,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:50:49,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-29 19:50:49,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681853443] [2023-08-29 19:50:49,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:50:49,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 19:50:49,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:50:49,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 19:50:49,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 19:50:49,961 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 445 [2023-08-29 19:50:49,962 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 109 transitions, 238 flow. Second operand has 3 states, 3 states have (on average 183.66666666666666) internal successors, (551), 3 states have internal predecessors, (551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 19:50:49,962 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:50:49,962 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 445 [2023-08-29 19:50:49,962 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand