/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-ticket-6.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bf34d27 [2022-01-19 01:21:52,507 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-19 01:21:52,508 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-19 01:21:52,570 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-19 01:21:52,571 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-19 01:21:52,571 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-19 01:21:52,572 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-19 01:21:52,573 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-19 01:21:52,574 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-19 01:21:52,575 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-19 01:21:52,578 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-19 01:21:52,579 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-19 01:21:52,580 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-19 01:21:52,583 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-19 01:21:52,584 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-19 01:21:52,586 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-19 01:21:52,587 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-19 01:21:52,588 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-19 01:21:52,590 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-19 01:21:52,593 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-19 01:21:52,594 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-19 01:21:52,595 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-19 01:21:52,596 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-19 01:21:52,596 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-19 01:21:52,601 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-19 01:21:52,601 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-19 01:21:52,601 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-19 01:21:52,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-19 01:21:52,602 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-19 01:21:52,602 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-19 01:21:52,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-19 01:21:52,603 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-19 01:21:52,603 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-19 01:21:52,603 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-19 01:21:52,604 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-19 01:21:52,604 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-19 01:21:52,604 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-19 01:21:52,604 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-19 01:21:52,605 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-19 01:21:52,605 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-19 01:21:52,605 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-19 01:21:52,606 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2022-01-19 01:21:52,626 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-19 01:21:52,626 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-19 01:21:52,627 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-19 01:21:52,627 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-19 01:21:52,627 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-19 01:21:52,627 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-19 01:21:52,627 INFO L138 SettingsManager]: * Use SBE=true [2022-01-19 01:21:52,627 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-19 01:21:52,628 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-19 01:21:52,628 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-19 01:21:52,628 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-19 01:21:52,628 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-19 01:21:52,628 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-19 01:21:52,628 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-19 01:21:52,628 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-19 01:21:52,629 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-19 01:21:52,629 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-19 01:21:52,629 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-19 01:21:52,629 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-19 01:21:52,629 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-19 01:21:52,629 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-19 01:21:52,629 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-19 01:21:52,629 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-19 01:21:52,629 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 01:21:52,629 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-19 01:21:52,629 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-19 01:21:52,629 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-19 01:21:52,630 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-19 01:21:52,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-19 01:21:52,630 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-19 01:21:52,630 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-19 01:21:52,630 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-19 01:21:52,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-19 01:21:52,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-19 01:21:52,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-19 01:21:52,783 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-19 01:21:52,785 INFO L275 PluginConnector]: CDTParser initialized [2022-01-19 01:21:52,786 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-6.wvr.c [2022-01-19 01:21:52,833 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/317ff420c/81a712f9cda248dc8ac7620a3db2285f/FLAG6443cd194 [2022-01-19 01:21:53,181 INFO L306 CDTParser]: Found 1 translation units. [2022-01-19 01:21:53,181 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-6.wvr.c [2022-01-19 01:21:53,186 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/317ff420c/81a712f9cda248dc8ac7620a3db2285f/FLAG6443cd194 [2022-01-19 01:21:53,193 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/317ff420c/81a712f9cda248dc8ac7620a3db2285f [2022-01-19 01:21:53,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-19 01:21:53,196 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-19 01:21:53,199 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-19 01:21:53,199 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-19 01:21:53,201 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-19 01:21:53,202 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 01:21:53" (1/1) ... [2022-01-19 01:21:53,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74865949 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:21:53, skipping insertion in model container [2022-01-19 01:21:53,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 01:21:53" (1/1) ... [2022-01-19 01:21:53,206 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-19 01:21:53,230 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-19 01:21:53,381 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-6.wvr.c[4400,4413] [2022-01-19 01:21:53,384 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 01:21:53,389 INFO L203 MainTranslator]: Completed pre-run [2022-01-19 01:21:53,407 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-6.wvr.c[4400,4413] [2022-01-19 01:21:53,408 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 01:21:53,417 INFO L208 MainTranslator]: Completed translation [2022-01-19 01:21:53,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:21:53 WrapperNode [2022-01-19 01:21:53,417 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-19 01:21:53,418 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-19 01:21:53,418 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-19 01:21:53,418 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-19 01:21:53,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:21:53" (1/1) ... [2022-01-19 01:21:53,430 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:21:53" (1/1) ... [2022-01-19 01:21:53,453 INFO L137 Inliner]: procedures = 25, calls = 100, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 278 [2022-01-19 01:21:53,453 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-19 01:21:53,454 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-19 01:21:53,454 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-19 01:21:53,454 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-19 01:21:53,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:21:53" (1/1) ... [2022-01-19 01:21:53,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:21:53" (1/1) ... [2022-01-19 01:21:53,462 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:21:53" (1/1) ... [2022-01-19 01:21:53,462 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:21:53" (1/1) ... [2022-01-19 01:21:53,471 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:21:53" (1/1) ... [2022-01-19 01:21:53,473 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:21:53" (1/1) ... [2022-01-19 01:21:53,474 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:21:53" (1/1) ... [2022-01-19 01:21:53,476 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-19 01:21:53,485 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-19 01:21:53,485 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-19 01:21:53,485 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-19 01:21:53,486 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:21:53" (1/1) ... [2022-01-19 01:21:53,491 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 01:21:53,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 01:21:53,508 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) [2022-01-19 01:21:53,518 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 [2022-01-19 01:21:53,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-19 01:21:53,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-19 01:21:53,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-19 01:21:53,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-19 01:21:53,543 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-19 01:21:53,543 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-19 01:21:53,543 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-19 01:21:53,543 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-19 01:21:53,543 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-01-19 01:21:53,544 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-01-19 01:21:53,544 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-01-19 01:21:53,544 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-01-19 01:21:53,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-19 01:21:53,544 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2022-01-19 01:21:53,544 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2022-01-19 01:21:53,544 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2022-01-19 01:21:53,544 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2022-01-19 01:21:53,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-01-19 01:21:53,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-01-19 01:21:53,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-19 01:21:53,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-19 01:21:53,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-19 01:21:53,545 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-19 01:21:53,634 INFO L234 CfgBuilder]: Building ICFG [2022-01-19 01:21:53,635 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-19 01:21:53,870 INFO L275 CfgBuilder]: Performing block encoding [2022-01-19 01:21:53,955 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-19 01:21:53,956 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-19 01:21:53,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 01:21:53 BoogieIcfgContainer [2022-01-19 01:21:53,957 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-19 01:21:53,958 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-19 01:21:53,958 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-19 01:21:53,960 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-19 01:21:53,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.01 01:21:53" (1/3) ... [2022-01-19 01:21:53,961 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30b43720 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 01:21:53, skipping insertion in model container [2022-01-19 01:21:53,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 01:21:53" (2/3) ... [2022-01-19 01:21:53,961 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30b43720 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 01:21:53, skipping insertion in model container [2022-01-19 01:21:53,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 01:21:53" (3/3) ... [2022-01-19 01:21:53,962 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-ticket-6.wvr.c [2022-01-19 01:21:53,965 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-19 01:21:53,965 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-19 01:21:53,965 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-19 01:21:54,007 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,007 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,008 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,008 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,008 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,008 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,008 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,008 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,009 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,009 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,009 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,009 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,009 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,009 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,009 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,009 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,010 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,010 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,010 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,010 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,010 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,010 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,010 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,010 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,011 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,011 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,011 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,011 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,011 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,011 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,012 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,012 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,012 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,012 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,012 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,012 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,012 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,012 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,013 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,013 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,013 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,013 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,013 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,013 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,014 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,014 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,014 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,014 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,014 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,014 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,014 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,014 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,015 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,015 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,015 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,015 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,015 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,015 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,015 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,016 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,016 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,016 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,016 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,016 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,016 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,016 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,017 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,017 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,017 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,017 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,017 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,017 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,019 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,020 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,020 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,020 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,020 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,020 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,021 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,021 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,021 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,021 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,021 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,021 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,023 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,023 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,023 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,024 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,024 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,024 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork2_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,024 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,024 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,024 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,024 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,024 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,025 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,025 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,025 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,025 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,025 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,025 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,025 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,026 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,026 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,026 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,026 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,026 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,026 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork5_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 01:21:54,031 INFO L148 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2022-01-19 01:21:54,082 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-19 01:21:54,091 INFO L339 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=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-19 01:21:54,091 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-01-19 01:21:54,102 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 205 places, 188 transitions, 424 flow [2022-01-19 01:21:54,165 INFO L129 PetriNetUnfolder]: 2/182 cut-off events. [2022-01-19 01:21:54,165 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-01-19 01:21:54,167 INFO L84 FinitePrefix]: Finished finitePrefix Result has 207 conditions, 182 events. 2/182 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 80 event pairs, 0 based on Foata normal form. 0/179 useless extension candidates. Maximal degree in co-relation 139. Up to 2 conditions per place. [2022-01-19 01:21:54,168 INFO L82 GeneralOperation]: Start removeDead. Operand has 205 places, 188 transitions, 424 flow [2022-01-19 01:21:54,172 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 182 places, 165 transitions, 366 flow [2022-01-19 01:21:54,208 INFO L129 PetriNetUnfolder]: 2/164 cut-off events. [2022-01-19 01:21:54,209 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-01-19 01:21:54,209 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:21:54,210 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 01:21:54,211 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-01-19 01:21:54,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:21:54,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1163564544, now seen corresponding path program 1 times [2022-01-19 01:21:54,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:21:54,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694866962] [2022-01-19 01:21:54,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:21:54,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:21:54,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:21:55,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:21:55,125 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:21:55,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694866962] [2022-01-19 01:21:55,126 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694866962] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 01:21:55,126 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 01:21:55,126 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-19 01:21:55,127 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197493156] [2022-01-19 01:21:55,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 01:21:55,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-19 01:21:55,135 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:21:55,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-19 01:21:55,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-01-19 01:21:55,163 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 188 [2022-01-19 01:21:55,168 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 165 transitions, 366 flow. Second operand has 10 states, 10 states have (on average 138.9) internal successors, (1389), 10 states have internal predecessors, (1389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:21:55,168 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:21:55,168 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 188 [2022-01-19 01:21:55,169 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 01:22:11,386 INFO L129 PetriNetUnfolder]: 156365/219579 cut-off events. [2022-01-19 01:22:11,386 INFO L130 PetriNetUnfolder]: For 29442/29510 co-relation queries the response was YES. [2022-01-19 01:22:12,193 INFO L84 FinitePrefix]: Finished finitePrefix Result has 438504 conditions, 219579 events. 156365/219579 cut-off events. For 29442/29510 co-relation queries the response was YES. Maximal size of possible extension queue 7240. Compared 1673362 event pairs, 112309 based on Foata normal form. 3/216432 useless extension candidates. Maximal degree in co-relation 354579. Up to 102416 conditions per place. [2022-01-19 01:22:12,907 INFO L132 encePairwiseOnDemand]: 169/188 looper letters, 103 selfloop transitions, 17 changer transitions 14/246 dead transitions. [2022-01-19 01:22:12,908 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 246 transitions, 853 flow [2022-01-19 01:22:12,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-19 01:22:12,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-01-19 01:22:12,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1612 transitions. [2022-01-19 01:22:12,921 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7794970986460348 [2022-01-19 01:22:12,921 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1612 transitions. [2022-01-19 01:22:12,922 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1612 transitions. [2022-01-19 01:22:12,924 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 01:22:12,925 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1612 transitions. [2022-01-19 01:22:12,930 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 146.54545454545453) internal successors, (1612), 11 states have internal predecessors, (1612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:22:12,936 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 188.0) internal successors, (2256), 12 states have internal predecessors, (2256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:22:12,937 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 188.0) internal successors, (2256), 12 states have internal predecessors, (2256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:22:12,938 INFO L186 Difference]: Start difference. First operand has 182 places, 165 transitions, 366 flow. Second operand 11 states and 1612 transitions. [2022-01-19 01:22:12,938 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 246 transitions, 853 flow [2022-01-19 01:22:13,229 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 246 transitions, 791 flow, removed 0 selfloop flow, removed 12 redundant places. [2022-01-19 01:22:13,232 INFO L242 Difference]: Finished difference. Result has 185 places, 172 transitions, 439 flow [2022-01-19 01:22:13,233 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=338, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=439, PETRI_PLACES=185, PETRI_TRANSITIONS=172} [2022-01-19 01:22:13,236 INFO L334 CegarLoopForPetriNet]: 182 programPoint places, 3 predicate places. [2022-01-19 01:22:13,236 INFO L470 AbstractCegarLoop]: Abstraction has has 185 places, 172 transitions, 439 flow [2022-01-19 01:22:13,237 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 138.9) internal successors, (1389), 10 states have internal predecessors, (1389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:22:13,237 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:22:13,237 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 01:22:13,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-19 01:22:13,237 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-01-19 01:22:13,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:22:13,238 INFO L85 PathProgramCache]: Analyzing trace with hash 191732472, now seen corresponding path program 2 times [2022-01-19 01:22:13,238 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:22:13,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128359900] [2022-01-19 01:22:13,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:22:13,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:22:13,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:22:13,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:22:13,654 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:22:13,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128359900] [2022-01-19 01:22:13,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128359900] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 01:22:13,655 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 01:22:13,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-01-19 01:22:13,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946785955] [2022-01-19 01:22:13,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 01:22:13,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-01-19 01:22:13,656 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:22:13,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-01-19 01:22:13,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-01-19 01:22:13,658 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 188 [2022-01-19 01:22:13,659 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 172 transitions, 439 flow. Second operand has 12 states, 12 states have (on average 132.58333333333334) internal successors, (1591), 12 states have internal predecessors, (1591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:22:13,660 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:22:13,660 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 188 [2022-01-19 01:22:13,660 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 01:22:29,438 INFO L129 PetriNetUnfolder]: 154565/222650 cut-off events. [2022-01-19 01:22:29,438 INFO L130 PetriNetUnfolder]: For 92325/92376 co-relation queries the response was YES. [2022-01-19 01:22:30,162 INFO L84 FinitePrefix]: Finished finitePrefix Result has 516389 conditions, 222650 events. 154565/222650 cut-off events. For 92325/92376 co-relation queries the response was YES. Maximal size of possible extension queue 7673. Compared 1786669 event pairs, 93610 based on Foata normal form. 1/218524 useless extension candidates. Maximal degree in co-relation 516376. Up to 134788 conditions per place. [2022-01-19 01:22:30,805 INFO L132 encePairwiseOnDemand]: 167/188 looper letters, 91 selfloop transitions, 27 changer transitions 57/281 dead transitions. [2022-01-19 01:22:30,805 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 281 transitions, 1122 flow [2022-01-19 01:22:30,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-19 01:22:30,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2022-01-19 01:22:30,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1702 transitions. [2022-01-19 01:22:30,809 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7544326241134752 [2022-01-19 01:22:30,809 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1702 transitions. [2022-01-19 01:22:30,809 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1702 transitions. [2022-01-19 01:22:30,810 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 01:22:30,810 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1702 transitions. [2022-01-19 01:22:30,813 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 141.83333333333334) internal successors, (1702), 12 states have internal predecessors, (1702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:22:30,817 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 188.0) internal successors, (2444), 13 states have internal predecessors, (2444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:22:30,818 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 188.0) internal successors, (2444), 13 states have internal predecessors, (2444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:22:30,818 INFO L186 Difference]: Start difference. First operand has 185 places, 172 transitions, 439 flow. Second operand 12 states and 1702 transitions. [2022-01-19 01:22:30,818 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 281 transitions, 1122 flow [2022-01-19 01:22:30,879 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 281 transitions, 1088 flow, removed 5 selfloop flow, removed 6 redundant places. [2022-01-19 01:22:30,882 INFO L242 Difference]: Finished difference. Result has 191 places, 189 transitions, 609 flow [2022-01-19 01:22:30,882 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=414, PETRI_DIFFERENCE_MINUEND_PLACES=173, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=172, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=609, PETRI_PLACES=191, PETRI_TRANSITIONS=189} [2022-01-19 01:22:30,883 INFO L334 CegarLoopForPetriNet]: 182 programPoint places, 9 predicate places. [2022-01-19 01:22:30,883 INFO L470 AbstractCegarLoop]: Abstraction has has 191 places, 189 transitions, 609 flow [2022-01-19 01:22:30,884 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 132.58333333333334) internal successors, (1591), 12 states have internal predecessors, (1591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:22:30,884 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:22:30,884 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 01:22:30,884 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-19 01:22:30,884 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-01-19 01:22:30,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:22:30,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1824326984, now seen corresponding path program 3 times [2022-01-19 01:22:30,885 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:22:30,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539768210] [2022-01-19 01:22:30,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:22:30,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:22:30,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:22:31,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:22:31,018 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:22:31,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539768210] [2022-01-19 01:22:31,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539768210] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 01:22:31,020 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 01:22:31,020 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-19 01:22:31,020 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165893998] [2022-01-19 01:22:31,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 01:22:31,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-19 01:22:31,021 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:22:31,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-19 01:22:31,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-01-19 01:22:31,023 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 188 [2022-01-19 01:22:31,024 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 189 transitions, 609 flow. Second operand has 7 states, 7 states have (on average 145.28571428571428) internal successors, (1017), 7 states have internal predecessors, (1017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:22:31,024 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:22:31,024 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 188 [2022-01-19 01:22:31,024 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 01:22:47,269 INFO L129 PetriNetUnfolder]: 113917/203846 cut-off events. [2022-01-19 01:22:47,270 INFO L130 PetriNetUnfolder]: For 122545/148713 co-relation queries the response was YES. [2022-01-19 01:22:48,529 INFO L84 FinitePrefix]: Finished finitePrefix Result has 470687 conditions, 203846 events. 113917/203846 cut-off events. For 122545/148713 co-relation queries the response was YES. Maximal size of possible extension queue 10632. Compared 2351869 event pairs, 26695 based on Foata normal form. 2142/197254 useless extension candidates. Maximal degree in co-relation 470670. Up to 45162 conditions per place. [2022-01-19 01:22:49,385 INFO L132 encePairwiseOnDemand]: 172/188 looper letters, 93 selfloop transitions, 33 changer transitions 0/264 dead transitions. [2022-01-19 01:22:49,385 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 264 transitions, 1078 flow [2022-01-19 01:22:49,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-19 01:22:49,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-01-19 01:22:49,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1092 transitions. [2022-01-19 01:22:49,387 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8297872340425532 [2022-01-19 01:22:49,387 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1092 transitions. [2022-01-19 01:22:49,387 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1092 transitions. [2022-01-19 01:22:49,388 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 01:22:49,388 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1092 transitions. [2022-01-19 01:22:49,389 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 156.0) internal successors, (1092), 7 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:22:49,391 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 188.0) internal successors, (1504), 8 states have internal predecessors, (1504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:22:49,391 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 188.0) internal successors, (1504), 8 states have internal predecessors, (1504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:22:49,391 INFO L186 Difference]: Start difference. First operand has 191 places, 189 transitions, 609 flow. Second operand 7 states and 1092 transitions. [2022-01-19 01:22:49,391 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 264 transitions, 1078 flow [2022-01-19 01:22:50,533 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 264 transitions, 1028 flow, removed 13 selfloop flow, removed 8 redundant places. [2022-01-19 01:22:50,537 INFO L242 Difference]: Finished difference. Result has 187 places, 213 transitions, 749 flow [2022-01-19 01:22:50,537 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=559, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=189, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=749, PETRI_PLACES=187, PETRI_TRANSITIONS=213} [2022-01-19 01:22:50,537 INFO L334 CegarLoopForPetriNet]: 182 programPoint places, 5 predicate places. [2022-01-19 01:22:50,538 INFO L470 AbstractCegarLoop]: Abstraction has has 187 places, 213 transitions, 749 flow [2022-01-19 01:22:50,538 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 145.28571428571428) internal successors, (1017), 7 states have internal predecessors, (1017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:22:50,538 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:22:50,538 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 01:22:50,538 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-19 01:22:50,539 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-01-19 01:22:50,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:22:50,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1824746584, now seen corresponding path program 4 times [2022-01-19 01:22:50,539 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:22:50,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671669847] [2022-01-19 01:22:50,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:22:50,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:22:50,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:22:50,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:22:50,624 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:22:50,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671669847] [2022-01-19 01:22:50,625 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671669847] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 01:22:50,625 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 01:22:50,625 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-19 01:22:50,625 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907434558] [2022-01-19 01:22:50,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 01:22:50,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-19 01:22:50,626 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:22:50,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-19 01:22:50,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-01-19 01:22:50,628 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 188 [2022-01-19 01:22:50,629 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 213 transitions, 749 flow. Second operand has 7 states, 7 states have (on average 145.28571428571428) internal successors, (1017), 7 states have internal predecessors, (1017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:22:50,629 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:22:50,629 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 188 [2022-01-19 01:22:50,629 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 01:23:07,404 INFO L129 PetriNetUnfolder]: 118841/211783 cut-off events. [2022-01-19 01:23:07,405 INFO L130 PetriNetUnfolder]: For 216444/250276 co-relation queries the response was YES. [2022-01-19 01:23:08,546 INFO L84 FinitePrefix]: Finished finitePrefix Result has 603634 conditions, 211783 events. 118841/211783 cut-off events. For 216444/250276 co-relation queries the response was YES. Maximal size of possible extension queue 11103. Compared 2436425 event pairs, 27630 based on Foata normal form. 8380/210091 useless extension candidates. Maximal degree in co-relation 173554. Up to 49407 conditions per place. [2022-01-19 01:23:09,638 INFO L132 encePairwiseOnDemand]: 172/188 looper letters, 93 selfloop transitions, 42 changer transitions 0/273 dead transitions. [2022-01-19 01:23:09,638 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 273 transitions, 1250 flow [2022-01-19 01:23:09,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-19 01:23:09,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-01-19 01:23:09,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1092 transitions. [2022-01-19 01:23:09,640 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8297872340425532 [2022-01-19 01:23:09,640 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1092 transitions. [2022-01-19 01:23:09,640 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1092 transitions. [2022-01-19 01:23:09,641 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 01:23:09,641 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1092 transitions. [2022-01-19 01:23:09,642 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 156.0) internal successors, (1092), 7 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:23:09,644 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 188.0) internal successors, (1504), 8 states have internal predecessors, (1504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:23:09,644 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 188.0) internal successors, (1504), 8 states have internal predecessors, (1504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:23:09,644 INFO L186 Difference]: Start difference. First operand has 187 places, 213 transitions, 749 flow. Second operand 7 states and 1092 transitions. [2022-01-19 01:23:09,644 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 273 transitions, 1250 flow [2022-01-19 01:23:09,677 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 273 transitions, 1246 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-01-19 01:23:09,680 INFO L242 Difference]: Finished difference. Result has 193 places, 223 transitions, 922 flow [2022-01-19 01:23:09,680 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=745, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=922, PETRI_PLACES=193, PETRI_TRANSITIONS=223} [2022-01-19 01:23:09,681 INFO L334 CegarLoopForPetriNet]: 182 programPoint places, 11 predicate places. [2022-01-19 01:23:09,681 INFO L470 AbstractCegarLoop]: Abstraction has has 193 places, 223 transitions, 922 flow [2022-01-19 01:23:09,682 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 145.28571428571428) internal successors, (1017), 7 states have internal predecessors, (1017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:23:09,682 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:23:09,682 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 01:23:09,682 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-19 01:23:09,682 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-01-19 01:23:09,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:23:09,683 INFO L85 PathProgramCache]: Analyzing trace with hash -2033990134, now seen corresponding path program 5 times [2022-01-19 01:23:09,683 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:23:09,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655506852] [2022-01-19 01:23:09,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:23:09,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:23:09,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:23:09,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:23:09,776 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:23:09,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655506852] [2022-01-19 01:23:09,776 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655506852] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 01:23:09,776 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 01:23:09,776 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-19 01:23:09,776 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499247417] [2022-01-19 01:23:09,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 01:23:09,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-19 01:23:09,777 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:23:09,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-19 01:23:09,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-01-19 01:23:09,778 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 188 [2022-01-19 01:23:09,779 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 223 transitions, 922 flow. Second operand has 8 states, 8 states have (on average 144.5) internal successors, (1156), 8 states have internal predecessors, (1156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:23:09,779 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:23:09,779 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 188 [2022-01-19 01:23:09,779 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 01:23:33,385 INFO L129 PetriNetUnfolder]: 168276/278681 cut-off events. [2022-01-19 01:23:33,385 INFO L130 PetriNetUnfolder]: For 472490/530823 co-relation queries the response was YES. [2022-01-19 01:23:35,000 INFO L84 FinitePrefix]: Finished finitePrefix Result has 931620 conditions, 278681 events. 168276/278681 cut-off events. For 472490/530823 co-relation queries the response was YES. Maximal size of possible extension queue 15523. Compared 3046845 event pairs, 33618 based on Foata normal form. 7978/270830 useless extension candidates. Maximal degree in co-relation 442458. Up to 70374 conditions per place. [2022-01-19 01:23:36,498 INFO L132 encePairwiseOnDemand]: 172/188 looper letters, 116 selfloop transitions, 106 changer transitions 0/360 dead transitions. [2022-01-19 01:23:36,498 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 360 transitions, 2053 flow [2022-01-19 01:23:36,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-19 01:23:36,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-01-19 01:23:36,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1262 transitions. [2022-01-19 01:23:36,501 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.839095744680851 [2022-01-19 01:23:36,501 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1262 transitions. [2022-01-19 01:23:36,501 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1262 transitions. [2022-01-19 01:23:36,501 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 01:23:36,501 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1262 transitions. [2022-01-19 01:23:36,503 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 157.75) internal successors, (1262), 8 states have internal predecessors, (1262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:23:36,504 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 188.0) internal successors, (1692), 9 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:23:36,505 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 188.0) internal successors, (1692), 9 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:23:36,505 INFO L186 Difference]: Start difference. First operand has 193 places, 223 transitions, 922 flow. Second operand 8 states and 1262 transitions. [2022-01-19 01:23:36,505 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 360 transitions, 2053 flow [2022-01-19 01:23:36,612 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 196 places, 360 transitions, 1976 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-01-19 01:23:36,615 INFO L242 Difference]: Finished difference. Result has 199 places, 288 transitions, 1683 flow [2022-01-19 01:23:36,616 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=872, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1683, PETRI_PLACES=199, PETRI_TRANSITIONS=288} [2022-01-19 01:23:36,616 INFO L334 CegarLoopForPetriNet]: 182 programPoint places, 17 predicate places. [2022-01-19 01:23:36,616 INFO L470 AbstractCegarLoop]: Abstraction has has 199 places, 288 transitions, 1683 flow [2022-01-19 01:23:36,617 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 144.5) internal successors, (1156), 8 states have internal predecessors, (1156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:23:36,617 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:23:36,617 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 01:23:36,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-19 01:23:36,617 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-01-19 01:23:36,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:23:36,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1506512914, now seen corresponding path program 6 times [2022-01-19 01:23:36,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:23:36,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56760295] [2022-01-19 01:23:36,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:23:36,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:23:36,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:23:36,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:23:36,702 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:23:36,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56760295] [2022-01-19 01:23:36,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56760295] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 01:23:36,703 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 01:23:36,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-19 01:23:36,703 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125278286] [2022-01-19 01:23:36,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 01:23:36,703 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-19 01:23:36,703 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:23:36,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-19 01:23:36,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-01-19 01:23:36,704 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 188 [2022-01-19 01:23:36,705 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 288 transitions, 1683 flow. Second operand has 9 states, 9 states have (on average 143.88888888888889) internal successors, (1295), 9 states have internal predecessors, (1295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:23:36,705 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:23:36,705 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 188 [2022-01-19 01:23:36,705 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 01:24:05,444 INFO L129 PetriNetUnfolder]: 177333/287469 cut-off events. [2022-01-19 01:24:05,444 INFO L130 PetriNetUnfolder]: For 960297/1051302 co-relation queries the response was YES. [2022-01-19 01:24:07,591 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1138974 conditions, 287469 events. 177333/287469 cut-off events. For 960297/1051302 co-relation queries the response was YES. Maximal size of possible extension queue 15964. Compared 3053798 event pairs, 29288 based on Foata normal form. 15363/283129 useless extension candidates. Maximal degree in co-relation 267750. Up to 73281 conditions per place. [2022-01-19 01:24:09,499 INFO L132 encePairwiseOnDemand]: 172/188 looper letters, 135 selfloop transitions, 276 changer transitions 0/549 dead transitions. [2022-01-19 01:24:09,499 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 549 transitions, 4397 flow [2022-01-19 01:24:09,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-19 01:24:09,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-01-19 01:24:09,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1581 transitions. [2022-01-19 01:24:09,502 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8409574468085106 [2022-01-19 01:24:09,502 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1581 transitions. [2022-01-19 01:24:09,502 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1581 transitions. [2022-01-19 01:24:09,502 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 01:24:09,502 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1581 transitions. [2022-01-19 01:24:09,504 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 158.1) internal successors, (1581), 10 states have internal predecessors, (1581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:24:09,507 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 188.0) internal successors, (2068), 11 states have internal predecessors, (2068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:24:09,507 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 188.0) internal successors, (2068), 11 states have internal predecessors, (2068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:24:09,507 INFO L186 Difference]: Start difference. First operand has 199 places, 288 transitions, 1683 flow. Second operand 10 states and 1581 transitions. [2022-01-19 01:24:09,507 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 549 transitions, 4397 flow [2022-01-19 01:24:10,354 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 549 transitions, 4327 flow, removed 33 selfloop flow, removed 2 redundant places. [2022-01-19 01:24:10,361 INFO L242 Difference]: Finished difference. Result has 209 places, 467 transitions, 4102 flow [2022-01-19 01:24:10,361 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=1649, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=117, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=4102, PETRI_PLACES=209, PETRI_TRANSITIONS=467} [2022-01-19 01:24:10,364 INFO L334 CegarLoopForPetriNet]: 182 programPoint places, 27 predicate places. [2022-01-19 01:24:10,364 INFO L470 AbstractCegarLoop]: Abstraction has has 209 places, 467 transitions, 4102 flow [2022-01-19 01:24:10,364 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 143.88888888888889) internal successors, (1295), 9 states have internal predecessors, (1295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:24:10,364 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:24:10,364 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 01:24:10,364 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-19 01:24:10,365 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-01-19 01:24:10,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:24:10,365 INFO L85 PathProgramCache]: Analyzing trace with hash 792415110, now seen corresponding path program 7 times [2022-01-19 01:24:10,365 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:24:10,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645999610] [2022-01-19 01:24:10,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:24:10,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:24:10,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:24:10,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:24:10,535 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:24:10,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645999610] [2022-01-19 01:24:10,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645999610] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 01:24:10,535 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 01:24:10,535 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-19 01:24:10,535 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331948253] [2022-01-19 01:24:10,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 01:24:10,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-19 01:24:10,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:24:10,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-19 01:24:10,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-01-19 01:24:10,540 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 188 [2022-01-19 01:24:10,541 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 467 transitions, 4102 flow. Second operand has 10 states, 10 states have (on average 143.4) internal successors, (1434), 10 states have internal predecessors, (1434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:24:10,541 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:24:10,541 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 188 [2022-01-19 01:24:10,541 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 01:24:44,382 INFO L129 PetriNetUnfolder]: 180887/290484 cut-off events. [2022-01-19 01:24:44,382 INFO L130 PetriNetUnfolder]: For 1612125/1728617 co-relation queries the response was YES. [2022-01-19 01:24:46,621 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1350513 conditions, 290484 events. 180887/290484 cut-off events. For 1612125/1728617 co-relation queries the response was YES. Maximal size of possible extension queue 15788. Compared 3042616 event pairs, 25691 based on Foata normal form. 16693/287160 useless extension candidates. Maximal degree in co-relation 443978. Up to 73691 conditions per place. [2022-01-19 01:24:48,679 INFO L132 encePairwiseOnDemand]: 172/188 looper letters, 131 selfloop transitions, 508 changer transitions 2/779 dead transitions. [2022-01-19 01:24:48,680 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 779 transitions, 8498 flow [2022-01-19 01:24:48,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-19 01:24:48,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-01-19 01:24:48,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1581 transitions. [2022-01-19 01:24:48,682 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8409574468085106 [2022-01-19 01:24:48,682 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1581 transitions. [2022-01-19 01:24:48,682 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1581 transitions. [2022-01-19 01:24:48,683 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 01:24:48,683 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1581 transitions. [2022-01-19 01:24:48,685 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 158.1) internal successors, (1581), 10 states have internal predecessors, (1581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:24:48,687 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 188.0) internal successors, (2068), 11 states have internal predecessors, (2068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:24:48,687 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 188.0) internal successors, (2068), 11 states have internal predecessors, (2068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:24:48,687 INFO L186 Difference]: Start difference. First operand has 209 places, 467 transitions, 4102 flow. Second operand 10 states and 1581 transitions. [2022-01-19 01:24:48,687 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 779 transitions, 8498 flow [2022-01-19 01:25:03,244 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 779 transitions, 8068 flow, removed 213 selfloop flow, removed 2 redundant places. [2022-01-19 01:25:03,252 INFO L242 Difference]: Finished difference. Result has 218 places, 693 transitions, 7843 flow [2022-01-19 01:25:03,252 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=3900, PETRI_DIFFERENCE_MINUEND_PLACES=207, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=467, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=293, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=7843, PETRI_PLACES=218, PETRI_TRANSITIONS=693} [2022-01-19 01:25:03,252 INFO L334 CegarLoopForPetriNet]: 182 programPoint places, 36 predicate places. [2022-01-19 01:25:03,253 INFO L470 AbstractCegarLoop]: Abstraction has has 218 places, 693 transitions, 7843 flow [2022-01-19 01:25:03,253 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 143.4) internal successors, (1434), 10 states have internal predecessors, (1434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:25:03,253 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:25:03,253 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 01:25:03,253 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-19 01:25:03,253 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-01-19 01:25:03,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:25:03,254 INFO L85 PathProgramCache]: Analyzing trace with hash 276378748, now seen corresponding path program 8 times [2022-01-19 01:25:03,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:25:03,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041593012] [2022-01-19 01:25:03,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:25:03,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:25:03,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:25:03,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:25:03,334 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:25:03,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041593012] [2022-01-19 01:25:03,334 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041593012] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 01:25:03,334 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 01:25:03,334 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-19 01:25:03,334 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732972234] [2022-01-19 01:25:03,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 01:25:03,335 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-19 01:25:03,335 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:25:03,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-19 01:25:03,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-01-19 01:25:03,336 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 188 [2022-01-19 01:25:03,337 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 693 transitions, 7843 flow. Second operand has 9 states, 9 states have (on average 143.88888888888889) internal successors, (1295), 9 states have internal predecessors, (1295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:25:03,337 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:25:03,337 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 188 [2022-01-19 01:25:03,337 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 01:25:45,213 INFO L129 PetriNetUnfolder]: 185459/300267 cut-off events. [2022-01-19 01:25:45,213 INFO L130 PetriNetUnfolder]: For 2303214/2459007 co-relation queries the response was YES. [2022-01-19 01:25:47,635 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1551253 conditions, 300267 events. 185459/300267 cut-off events. For 2303214/2459007 co-relation queries the response was YES. Maximal size of possible extension queue 16461. Compared 3191607 event pairs, 30163 based on Foata normal form. 23024/303433 useless extension candidates. Maximal degree in co-relation 505137. Up to 81835 conditions per place. [2022-01-19 01:25:49,641 INFO L132 encePairwiseOnDemand]: 172/188 looper letters, 163 selfloop transitions, 530 changer transitions 0/831 dead transitions. [2022-01-19 01:25:49,641 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 831 transitions, 10581 flow [2022-01-19 01:25:49,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-19 01:25:49,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-01-19 01:25:49,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1422 transitions. [2022-01-19 01:25:49,644 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8404255319148937 [2022-01-19 01:25:49,644 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1422 transitions. [2022-01-19 01:25:49,644 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1422 transitions. [2022-01-19 01:25:49,644 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 01:25:49,644 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1422 transitions. [2022-01-19 01:25:49,646 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 158.0) internal successors, (1422), 9 states have internal predecessors, (1422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:25:49,648 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 188.0) internal successors, (1880), 10 states have internal predecessors, (1880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:25:49,648 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 188.0) internal successors, (1880), 10 states have internal predecessors, (1880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:25:49,648 INFO L186 Difference]: Start difference. First operand has 218 places, 693 transitions, 7843 flow. Second operand 9 states and 1422 transitions. [2022-01-19 01:25:49,648 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 831 transitions, 10581 flow [2022-01-19 01:26:07,075 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 831 transitions, 10519 flow, removed 29 selfloop flow, removed 2 redundant places. [2022-01-19 01:26:07,085 INFO L242 Difference]: Finished difference. Result has 225 places, 755 transitions, 9972 flow [2022-01-19 01:26:07,085 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=7781, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=693, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=468, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=225, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=9972, PETRI_PLACES=225, PETRI_TRANSITIONS=755} [2022-01-19 01:26:07,088 INFO L334 CegarLoopForPetriNet]: 182 programPoint places, 43 predicate places. [2022-01-19 01:26:07,088 INFO L470 AbstractCegarLoop]: Abstraction has has 225 places, 755 transitions, 9972 flow [2022-01-19 01:26:07,089 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 143.88888888888889) internal successors, (1295), 9 states have internal predecessors, (1295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:26:07,089 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:26:07,089 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 01:26:07,089 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-19 01:26:07,089 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-01-19 01:26:07,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:26:07,089 INFO L85 PathProgramCache]: Analyzing trace with hash 931656988, now seen corresponding path program 9 times [2022-01-19 01:26:07,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:26:07,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226898428] [2022-01-19 01:26:07,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:26:07,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:26:07,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:26:07,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:26:07,213 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:26:07,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226898428] [2022-01-19 01:26:07,213 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226898428] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 01:26:07,213 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 01:26:07,213 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-19 01:26:07,213 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298981834] [2022-01-19 01:26:07,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 01:26:07,214 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-19 01:26:07,214 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:26:07,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-19 01:26:07,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2022-01-19 01:26:07,215 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 188 [2022-01-19 01:26:07,216 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 755 transitions, 9972 flow. Second operand has 8 states, 8 states have (on average 144.5) internal successors, (1156), 8 states have internal predecessors, (1156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 01:26:07,216 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:26:07,216 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 188 [2022-01-19 01:26:07,216 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand