/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/fibonacci.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bf34d27 [2022-01-19 00:58:58,401 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-19 00:58:58,403 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-19 00:58:58,461 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-19 00:58:58,461 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-19 00:58:58,462 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-19 00:58:58,463 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-19 00:58:58,465 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-19 00:58:58,466 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-19 00:58:58,467 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-19 00:58:58,468 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-19 00:58:58,469 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-19 00:58:58,469 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-19 00:58:58,470 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-19 00:58:58,470 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-19 00:58:58,471 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-19 00:58:58,472 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-19 00:58:58,473 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-19 00:58:58,474 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-19 00:58:58,475 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-19 00:58:58,477 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-19 00:58:58,491 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-19 00:58:58,492 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-19 00:58:58,492 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-19 00:58:58,494 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-19 00:58:58,495 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-19 00:58:58,495 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-19 00:58:58,504 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-19 00:58:58,505 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-19 00:58:58,505 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-19 00:58:58,506 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-19 00:58:58,506 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-19 00:58:58,507 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-19 00:58:58,508 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-19 00:58:58,508 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-19 00:58:58,509 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-19 00:58:58,509 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-19 00:58:58,509 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-19 00:58:58,510 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-19 00:58:58,510 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-19 00:58:58,511 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-19 00:58:58,515 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 00:58:58,549 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-19 00:58:58,549 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-19 00:58:58,550 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-19 00:58:58,551 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-19 00:58:58,551 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-19 00:58:58,551 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-19 00:58:58,551 INFO L138 SettingsManager]: * Use SBE=true [2022-01-19 00:58:58,551 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-19 00:58:58,552 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-19 00:58:58,552 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-19 00:58:58,552 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-19 00:58:58,552 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-19 00:58:58,553 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-19 00:58:58,553 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-19 00:58:58,553 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-19 00:58:58,553 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-19 00:58:58,553 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-19 00:58:58,553 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-19 00:58:58,553 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-19 00:58:58,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-19 00:58:58,553 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-19 00:58:58,554 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-19 00:58:58,554 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-19 00:58:58,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 00:58:58,554 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-19 00:58:58,554 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-19 00:58:58,554 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-19 00:58:58,555 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-19 00:58:58,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-19 00:58:58,555 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-19 00:58:58,556 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-19 00:58:58,556 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-19 00:58:58,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-19 00:58:58,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-19 00:58:58,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-19 00:58:58,783 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-19 00:58:58,784 INFO L275 PluginConnector]: CDTParser initialized [2022-01-19 00:58:58,785 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/fibonacci.wvr.c [2022-01-19 00:58:58,831 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2e06b654/3ff53a1ad54145cfa01951d12426e210/FLAG0f9a4bce1 [2022-01-19 00:58:59,234 INFO L306 CDTParser]: Found 1 translation units. [2022-01-19 00:58:59,234 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/fibonacci.wvr.c [2022-01-19 00:58:59,246 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2e06b654/3ff53a1ad54145cfa01951d12426e210/FLAG0f9a4bce1 [2022-01-19 00:58:59,262 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2e06b654/3ff53a1ad54145cfa01951d12426e210 [2022-01-19 00:58:59,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-19 00:58:59,265 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-19 00:58:59,266 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-19 00:58:59,266 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-19 00:58:59,269 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-19 00:58:59,269 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 12:58:59" (1/1) ... [2022-01-19 00:58:59,270 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@586020d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:58:59, skipping insertion in model container [2022-01-19 00:58:59,270 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 12:58:59" (1/1) ... [2022-01-19 00:58:59,275 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-19 00:58:59,293 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-19 00:58:59,509 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/fibonacci.wvr.c[2330,2343] [2022-01-19 00:58:59,515 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 00:58:59,520 INFO L203 MainTranslator]: Completed pre-run [2022-01-19 00:58:59,536 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/fibonacci.wvr.c[2330,2343] [2022-01-19 00:58:59,538 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 00:58:59,549 INFO L208 MainTranslator]: Completed translation [2022-01-19 00:58:59,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:58:59 WrapperNode [2022-01-19 00:58:59,549 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-19 00:58:59,550 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-19 00:58:59,550 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-19 00:58:59,550 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-19 00:58:59,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:58:59" (1/1) ... [2022-01-19 00:58:59,562 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:58:59" (1/1) ... [2022-01-19 00:58:59,580 INFO L137 Inliner]: procedures = 23, calls = 28, calls flagged for inlining = 12, calls inlined = 16, statements flattened = 170 [2022-01-19 00:58:59,580 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-19 00:58:59,581 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-19 00:58:59,581 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-19 00:58:59,581 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-19 00:58:59,587 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:58:59" (1/1) ... [2022-01-19 00:58:59,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:58:59" (1/1) ... [2022-01-19 00:58:59,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:58:59" (1/1) ... [2022-01-19 00:58:59,590 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:58:59" (1/1) ... [2022-01-19 00:58:59,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:58:59" (1/1) ... [2022-01-19 00:58:59,597 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:58:59" (1/1) ... [2022-01-19 00:58:59,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:58:59" (1/1) ... [2022-01-19 00:58:59,600 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-19 00:58:59,601 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-19 00:58:59,601 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-19 00:58:59,601 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-19 00:58:59,602 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:58:59" (1/1) ... [2022-01-19 00:58:59,607 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 00:58:59,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 00:58:59,624 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 00:58:59,648 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 00:58:59,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-19 00:58:59,666 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-19 00:58:59,667 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-19 00:58:59,667 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-19 00:58:59,667 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-19 00:58:59,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-19 00:58:59,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-19 00:58:59,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-19 00:58:59,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-19 00:58:59,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-19 00:58:59,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-19 00:58:59,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-19 00:58:59,670 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 00:58:59,793 INFO L234 CfgBuilder]: Building ICFG [2022-01-19 00:58:59,794 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-19 00:59:00,022 INFO L275 CfgBuilder]: Performing block encoding [2022-01-19 00:59:00,030 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-19 00:59:00,031 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-19 00:59:00,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 12:59:00 BoogieIcfgContainer [2022-01-19 00:59:00,032 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-19 00:59:00,033 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-19 00:59:00,034 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-19 00:59:00,049 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-19 00:59:00,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.01 12:58:59" (1/3) ... [2022-01-19 00:59:00,050 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e87274e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 12:59:00, skipping insertion in model container [2022-01-19 00:59:00,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:58:59" (2/3) ... [2022-01-19 00:59:00,050 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e87274e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 12:59:00, skipping insertion in model container [2022-01-19 00:59:00,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 12:59:00" (3/3) ... [2022-01-19 00:59:00,051 INFO L111 eAbstractionObserver]: Analyzing ICFG fibonacci.wvr.c [2022-01-19 00:59:00,055 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-19 00:59:00,055 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-19 00:59:00,055 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-19 00:59:00,138 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,138 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,138 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,138 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,138 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,139 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,139 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,139 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,140 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,140 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,140 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,140 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,140 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,140 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,141 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,141 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,141 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,141 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,141 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,141 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,142 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,142 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,142 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,142 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,142 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,142 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,142 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,143 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,143 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,143 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,143 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,143 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,143 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,144 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,144 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,144 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,144 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,144 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,144 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,145 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,145 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,145 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,155 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,156 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,156 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,156 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,156 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,156 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,156 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,156 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,156 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,157 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,157 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,157 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,157 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,158 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,158 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,158 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,158 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,158 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,158 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,159 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,159 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,159 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,159 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,159 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,159 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,159 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,160 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,160 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,160 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,160 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,160 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,160 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,160 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,161 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,161 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,161 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,161 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,161 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,162 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,162 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,162 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,162 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,163 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,163 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,163 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,163 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,163 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,163 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,164 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,164 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,164 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,164 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,164 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,164 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,164 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,164 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,165 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,165 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,165 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,165 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,165 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,165 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,165 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,166 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,166 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,166 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,167 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,167 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,167 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,167 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,167 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,167 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,167 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,168 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,168 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,168 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,168 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,168 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,168 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,169 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,169 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,169 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,169 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,170 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,170 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,170 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,170 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,170 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,170 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,170 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,171 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,171 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,174 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,175 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,175 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,175 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,175 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,175 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,176 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,176 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,176 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,176 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,176 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,177 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,177 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,178 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,178 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,178 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,178 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,178 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,178 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,178 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,179 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,179 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,179 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,179 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,179 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,179 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,181 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,181 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,181 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,181 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,181 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,182 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,182 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,182 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,182 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,183 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,183 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,183 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,183 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,183 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,183 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,184 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,184 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,184 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,184 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,184 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,184 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,184 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,185 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,185 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,185 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,185 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,185 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,185 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,185 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,186 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,186 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,186 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,186 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,186 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,186 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,186 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,187 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,187 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,187 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,187 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,187 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,188 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,188 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,188 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,188 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,188 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,189 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,189 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,189 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,189 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,189 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,189 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,190 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,190 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,190 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,190 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,190 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,190 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,191 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,191 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,191 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,191 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,191 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,191 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,192 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,192 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,192 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,192 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,192 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,192 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,192 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,193 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,193 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,193 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,193 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,193 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,193 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,193 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,193 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,194 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,194 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,194 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,195 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,195 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,195 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,195 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,195 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,195 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,195 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,195 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,196 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,196 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,196 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,196 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,196 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,196 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,196 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,196 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,196 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,197 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,197 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,197 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,197 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,197 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,197 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,198 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,198 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,198 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,198 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,198 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,198 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,198 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,199 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,199 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,199 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,199 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,199 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,199 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,199 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,200 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,200 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,200 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,200 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,200 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,201 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,201 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,201 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,201 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,201 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,201 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,201 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,202 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,202 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,202 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,202 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,202 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,202 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,203 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,203 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,203 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,203 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,203 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,203 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,203 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,204 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,204 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,204 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,204 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,205 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,205 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,205 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,205 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,205 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,205 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,206 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,206 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,206 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,206 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,206 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,206 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,209 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,209 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,209 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,209 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,209 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,210 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,210 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,210 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,210 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,210 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,210 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,211 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,211 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,211 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,212 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,212 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,213 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,213 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,213 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,217 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,217 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,218 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,218 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,218 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,218 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,218 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,218 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,218 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,219 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,219 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,219 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,219 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,219 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,219 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,219 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,220 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,220 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,220 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 00:59:00,223 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-01-19 00:59:00,262 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-19 00:59:00,268 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 00:59:00,268 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-01-19 00:59:00,280 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 221 places, 230 transitions, 476 flow [2022-01-19 00:59:00,361 INFO L129 PetriNetUnfolder]: 16/228 cut-off events. [2022-01-19 00:59:00,362 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-01-19 00:59:00,367 INFO L84 FinitePrefix]: Finished finitePrefix Result has 237 conditions, 228 events. 16/228 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 382 event pairs, 0 based on Foata normal form. 0/211 useless extension candidates. Maximal degree in co-relation 153. Up to 2 conditions per place. [2022-01-19 00:59:00,368 INFO L82 GeneralOperation]: Start removeDead. Operand has 221 places, 230 transitions, 476 flow [2022-01-19 00:59:00,379 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 210 places, 219 transitions, 450 flow [2022-01-19 00:59:00,426 INFO L129 PetriNetUnfolder]: 10/170 cut-off events. [2022-01-19 00:59:00,426 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-01-19 00:59:00,426 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:59:00,427 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] [2022-01-19 00:59:00,428 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 00:59:00,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:59:00,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1218315603, now seen corresponding path program 1 times [2022-01-19 00:59:00,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:59:00,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412423061] [2022-01-19 00:59:00,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:59:00,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:59:00,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:59:00,644 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 00:59:00,644 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:59:00,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412423061] [2022-01-19 00:59:00,645 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412423061] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:59:00,646 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:59:00,646 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-19 00:59:00,647 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973278905] [2022-01-19 00:59:00,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:59:00,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-19 00:59:00,655 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:59:00,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-19 00:59:00,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-19 00:59:00,694 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 213 out of 230 [2022-01-19 00:59:00,701 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 219 transitions, 450 flow. Second operand has 2 states, 2 states have (on average 215.5) internal successors, (431), 2 states have internal predecessors, (431), 0 states have call successors, (0), 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 00:59:00,701 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:59:00,702 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 213 of 230 [2022-01-19 00:59:00,703 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:59:00,764 INFO L129 PetriNetUnfolder]: 4/207 cut-off events. [2022-01-19 00:59:00,764 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-01-19 00:59:00,768 INFO L84 FinitePrefix]: Finished finitePrefix Result has 221 conditions, 207 events. 4/207 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 320 event pairs, 0 based on Foata normal form. 14/207 useless extension candidates. Maximal degree in co-relation 144. Up to 5 conditions per place. [2022-01-19 00:59:00,770 INFO L132 encePairwiseOnDemand]: 218/230 looper letters, 4 selfloop transitions, 0 changer transitions 2/207 dead transitions. [2022-01-19 00:59:00,770 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 207 transitions, 434 flow [2022-01-19 00:59:00,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-19 00:59:00,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-01-19 00:59:00,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 442 transitions. [2022-01-19 00:59:00,787 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9608695652173913 [2022-01-19 00:59:00,787 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 442 transitions. [2022-01-19 00:59:00,788 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 442 transitions. [2022-01-19 00:59:00,791 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:59:00,793 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 442 transitions. [2022-01-19 00:59:00,796 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 221.0) internal successors, (442), 2 states have internal predecessors, (442), 0 states have call successors, (0), 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 00:59:00,800 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 230.0) internal successors, (690), 3 states have internal predecessors, (690), 0 states have call successors, (0), 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 00:59:00,801 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 230.0) internal successors, (690), 3 states have internal predecessors, (690), 0 states have call successors, (0), 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 00:59:00,802 INFO L186 Difference]: Start difference. First operand has 210 places, 219 transitions, 450 flow. Second operand 2 states and 442 transitions. [2022-01-19 00:59:00,803 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 207 transitions, 434 flow [2022-01-19 00:59:00,807 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 207 transitions, 426 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-01-19 00:59:00,812 INFO L242 Difference]: Finished difference. Result has 207 places, 205 transitions, 414 flow [2022-01-19 00:59:00,814 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=230, PETRI_DIFFERENCE_MINUEND_FLOW=418, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=414, PETRI_PLACES=207, PETRI_TRANSITIONS=205} [2022-01-19 00:59:00,817 INFO L334 CegarLoopForPetriNet]: 210 programPoint places, -3 predicate places. [2022-01-19 00:59:00,817 INFO L470 AbstractCegarLoop]: Abstraction has has 207 places, 205 transitions, 414 flow [2022-01-19 00:59:00,818 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 215.5) internal successors, (431), 2 states have internal predecessors, (431), 0 states have call successors, (0), 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 00:59:00,818 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:59:00,819 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] [2022-01-19 00:59:00,819 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-19 00:59:00,819 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 00:59:00,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:59:00,820 INFO L85 PathProgramCache]: Analyzing trace with hash -123752174, now seen corresponding path program 1 times [2022-01-19 00:59:00,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:59:00,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686454817] [2022-01-19 00:59:00,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:59:00,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:59:00,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:59:01,027 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 00:59:01,027 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:59:01,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686454817] [2022-01-19 00:59:01,028 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686454817] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:59:01,028 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:59:01,028 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-19 00:59:01,028 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879774556] [2022-01-19 00:59:01,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:59:01,030 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-19 00:59:01,030 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:59:01,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-19 00:59:01,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-19 00:59:01,033 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 230 [2022-01-19 00:59:01,034 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 205 transitions, 414 flow. Second operand has 6 states, 6 states have (on average 192.0) internal successors, (1152), 6 states have internal predecessors, (1152), 0 states have call successors, (0), 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 00:59:01,034 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:59:01,035 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 230 [2022-01-19 00:59:01,035 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:59:01,264 INFO L129 PetriNetUnfolder]: 103/1035 cut-off events. [2022-01-19 00:59:01,264 INFO L130 PetriNetUnfolder]: For 21/21 co-relation queries the response was YES. [2022-01-19 00:59:01,267 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1248 conditions, 1035 events. 103/1035 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 5949 event pairs, 11 based on Foata normal form. 0/929 useless extension candidates. Maximal degree in co-relation 1245. Up to 112 conditions per place. [2022-01-19 00:59:01,270 INFO L132 encePairwiseOnDemand]: 219/230 looper letters, 53 selfloop transitions, 13 changer transitions 0/245 dead transitions. [2022-01-19 00:59:01,271 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 245 transitions, 634 flow [2022-01-19 00:59:01,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-19 00:59:01,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-01-19 00:59:01,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1390 transitions. [2022-01-19 00:59:01,274 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8633540372670807 [2022-01-19 00:59:01,274 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1390 transitions. [2022-01-19 00:59:01,274 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1390 transitions. [2022-01-19 00:59:01,275 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:59:01,275 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1390 transitions. [2022-01-19 00:59:01,278 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 198.57142857142858) internal successors, (1390), 7 states have internal predecessors, (1390), 0 states have call successors, (0), 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 00:59:01,282 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 230.0) internal successors, (1840), 8 states have internal predecessors, (1840), 0 states have call successors, (0), 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 00:59:01,283 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 230.0) internal successors, (1840), 8 states have internal predecessors, (1840), 0 states have call successors, (0), 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 00:59:01,283 INFO L186 Difference]: Start difference. First operand has 207 places, 205 transitions, 414 flow. Second operand 7 states and 1390 transitions. [2022-01-19 00:59:01,283 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 245 transitions, 634 flow [2022-01-19 00:59:01,287 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 211 places, 245 transitions, 634 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-01-19 00:59:01,293 INFO L242 Difference]: Finished difference. Result has 214 places, 213 transitions, 485 flow [2022-01-19 00:59:01,293 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=230, PETRI_DIFFERENCE_MINUEND_FLOW=414, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=205, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=485, PETRI_PLACES=214, PETRI_TRANSITIONS=213} [2022-01-19 00:59:01,294 INFO L334 CegarLoopForPetriNet]: 210 programPoint places, 4 predicate places. [2022-01-19 00:59:01,294 INFO L470 AbstractCegarLoop]: Abstraction has has 214 places, 213 transitions, 485 flow [2022-01-19 00:59:01,295 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 192.0) internal successors, (1152), 6 states have internal predecessors, (1152), 0 states have call successors, (0), 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 00:59:01,295 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:59:01,295 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] [2022-01-19 00:59:01,296 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-19 00:59:01,296 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 00:59:01,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:59:01,298 INFO L85 PathProgramCache]: Analyzing trace with hash -912411040, now seen corresponding path program 2 times [2022-01-19 00:59:01,301 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:59:01,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680605666] [2022-01-19 00:59:01,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:59:01,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:59:01,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:59:01,464 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 00:59:01,464 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:59:01,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680605666] [2022-01-19 00:59:01,465 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680605666] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:59:01,465 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:59:01,465 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-19 00:59:01,465 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151296576] [2022-01-19 00:59:01,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:59:01,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-19 00:59:01,466 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:59:01,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-19 00:59:01,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-19 00:59:01,469 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 230 [2022-01-19 00:59:01,471 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 213 transitions, 485 flow. Second operand has 6 states, 6 states have (on average 192.0) internal successors, (1152), 6 states have internal predecessors, (1152), 0 states have call successors, (0), 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 00:59:01,471 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:59:01,471 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 230 [2022-01-19 00:59:01,471 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:59:01,767 INFO L129 PetriNetUnfolder]: 102/1164 cut-off events. [2022-01-19 00:59:01,768 INFO L130 PetriNetUnfolder]: For 185/189 co-relation queries the response was YES. [2022-01-19 00:59:01,770 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1543 conditions, 1164 events. 102/1164 cut-off events. For 185/189 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 7267 event pairs, 12 based on Foata normal form. 1/1084 useless extension candidates. Maximal degree in co-relation 1536. Up to 117 conditions per place. [2022-01-19 00:59:01,773 INFO L132 encePairwiseOnDemand]: 221/230 looper letters, 58 selfloop transitions, 14 changer transitions 0/251 dead transitions. [2022-01-19 00:59:01,773 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 251 transitions, 741 flow [2022-01-19 00:59:01,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-19 00:59:01,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-01-19 00:59:01,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1391 transitions. [2022-01-19 00:59:01,776 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8639751552795031 [2022-01-19 00:59:01,776 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1391 transitions. [2022-01-19 00:59:01,777 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1391 transitions. [2022-01-19 00:59:01,777 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:59:01,777 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1391 transitions. [2022-01-19 00:59:01,780 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 198.71428571428572) internal successors, (1391), 7 states have internal predecessors, (1391), 0 states have call successors, (0), 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 00:59:01,783 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 230.0) internal successors, (1840), 8 states have internal predecessors, (1840), 0 states have call successors, (0), 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 00:59:01,784 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 230.0) internal successors, (1840), 8 states have internal predecessors, (1840), 0 states have call successors, (0), 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 00:59:01,784 INFO L186 Difference]: Start difference. First operand has 214 places, 213 transitions, 485 flow. Second operand 7 states and 1391 transitions. [2022-01-19 00:59:01,784 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 220 places, 251 transitions, 741 flow [2022-01-19 00:59:01,787 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 251 transitions, 737 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-01-19 00:59:01,790 INFO L242 Difference]: Finished difference. Result has 221 places, 219 transitions, 560 flow [2022-01-19 00:59:01,790 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=230, PETRI_DIFFERENCE_MINUEND_FLOW=481, PETRI_DIFFERENCE_MINUEND_PLACES=212, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=560, PETRI_PLACES=221, PETRI_TRANSITIONS=219} [2022-01-19 00:59:01,791 INFO L334 CegarLoopForPetriNet]: 210 programPoint places, 11 predicate places. [2022-01-19 00:59:01,791 INFO L470 AbstractCegarLoop]: Abstraction has has 221 places, 219 transitions, 560 flow [2022-01-19 00:59:01,792 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 192.0) internal successors, (1152), 6 states have internal predecessors, (1152), 0 states have call successors, (0), 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 00:59:01,792 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:59:01,792 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] [2022-01-19 00:59:01,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-19 00:59:01,792 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 00:59:01,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:59:01,793 INFO L85 PathProgramCache]: Analyzing trace with hash -673188942, now seen corresponding path program 1 times [2022-01-19 00:59:01,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:59:01,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512338170] [2022-01-19 00:59:01,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:59:01,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:59:01,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:59:01,872 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 00:59:01,872 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:59:01,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512338170] [2022-01-19 00:59:01,872 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512338170] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:59:01,872 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:59:01,872 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-19 00:59:01,873 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105508242] [2022-01-19 00:59:01,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:59:01,873 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-19 00:59:01,873 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:59:01,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-19 00:59:01,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-01-19 00:59:01,876 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 230 [2022-01-19 00:59:01,878 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 221 places, 219 transitions, 560 flow. Second operand has 8 states, 8 states have (on average 193.75) internal successors, (1550), 8 states have internal predecessors, (1550), 0 states have call successors, (0), 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 00:59:01,878 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:59:01,878 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 230 [2022-01-19 00:59:01,878 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:59:02,160 INFO L129 PetriNetUnfolder]: 152/1229 cut-off events. [2022-01-19 00:59:02,160 INFO L130 PetriNetUnfolder]: For 147/152 co-relation queries the response was YES. [2022-01-19 00:59:02,165 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1741 conditions, 1229 events. 152/1229 cut-off events. For 147/152 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 7370 event pairs, 66 based on Foata normal form. 3/1153 useless extension candidates. Maximal degree in co-relation 1730. Up to 215 conditions per place. [2022-01-19 00:59:02,171 INFO L132 encePairwiseOnDemand]: 218/230 looper letters, 39 selfloop transitions, 6 changer transitions 16/256 dead transitions. [2022-01-19 00:59:02,171 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 256 transitions, 765 flow [2022-01-19 00:59:02,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-19 00:59:02,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-01-19 00:59:02,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2545 transitions. [2022-01-19 00:59:02,176 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8511705685618729 [2022-01-19 00:59:02,176 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2545 transitions. [2022-01-19 00:59:02,176 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2545 transitions. [2022-01-19 00:59:02,178 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:59:02,178 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2545 transitions. [2022-01-19 00:59:02,184 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 195.76923076923077) internal successors, (2545), 13 states have internal predecessors, (2545), 0 states have call successors, (0), 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 00:59:02,188 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 230.0) internal successors, (3220), 14 states have internal predecessors, (3220), 0 states have call successors, (0), 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 00:59:02,189 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 230.0) internal successors, (3220), 14 states have internal predecessors, (3220), 0 states have call successors, (0), 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 00:59:02,189 INFO L186 Difference]: Start difference. First operand has 221 places, 219 transitions, 560 flow. Second operand 13 states and 2545 transitions. [2022-01-19 00:59:02,189 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 256 transitions, 765 flow [2022-01-19 00:59:02,195 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 256 transitions, 759 flow, removed 1 selfloop flow, removed 2 redundant places. [2022-01-19 00:59:02,197 INFO L242 Difference]: Finished difference. Result has 242 places, 221 transitions, 607 flow [2022-01-19 00:59:02,198 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=230, PETRI_DIFFERENCE_MINUEND_FLOW=554, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=213, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=607, PETRI_PLACES=242, PETRI_TRANSITIONS=221} [2022-01-19 00:59:02,199 INFO L334 CegarLoopForPetriNet]: 210 programPoint places, 32 predicate places. [2022-01-19 00:59:02,199 INFO L470 AbstractCegarLoop]: Abstraction has has 242 places, 221 transitions, 607 flow [2022-01-19 00:59:02,200 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 193.75) internal successors, (1550), 8 states have internal predecessors, (1550), 0 states have call successors, (0), 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 00:59:02,200 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:59:02,200 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] [2022-01-19 00:59:02,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-19 00:59:02,200 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 00:59:02,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:59:02,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1473973244, now seen corresponding path program 1 times [2022-01-19 00:59:02,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:59:02,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685330171] [2022-01-19 00:59:02,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:59:02,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:59:02,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:59:02,278 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 00:59:02,278 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:59:02,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685330171] [2022-01-19 00:59:02,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685330171] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:59:02,279 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:59:02,279 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-19 00:59:02,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404126715] [2022-01-19 00:59:02,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:59:02,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-19 00:59:02,280 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:59:02,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-19 00:59:02,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-19 00:59:02,282 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 230 [2022-01-19 00:59:02,283 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 221 transitions, 607 flow. Second operand has 6 states, 6 states have (on average 192.0) internal successors, (1152), 6 states have internal predecessors, (1152), 0 states have call successors, (0), 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 00:59:02,283 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:59:02,283 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 230 [2022-01-19 00:59:02,283 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:59:02,487 INFO L129 PetriNetUnfolder]: 114/1212 cut-off events. [2022-01-19 00:59:02,489 INFO L130 PetriNetUnfolder]: For 605/631 co-relation queries the response was YES. [2022-01-19 00:59:02,495 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1960 conditions, 1212 events. 114/1212 cut-off events. For 605/631 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 7769 event pairs, 25 based on Foata normal form. 11/1136 useless extension candidates. Maximal degree in co-relation 1937. Up to 121 conditions per place. [2022-01-19 00:59:02,499 INFO L132 encePairwiseOnDemand]: 218/230 looper letters, 56 selfloop transitions, 16 changer transitions 0/253 dead transitions. [2022-01-19 00:59:02,499 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 253 transitions, 859 flow [2022-01-19 00:59:02,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-19 00:59:02,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-01-19 00:59:02,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1390 transitions. [2022-01-19 00:59:02,502 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8633540372670807 [2022-01-19 00:59:02,503 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1390 transitions. [2022-01-19 00:59:02,503 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1390 transitions. [2022-01-19 00:59:02,503 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:59:02,503 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1390 transitions. [2022-01-19 00:59:02,506 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 198.57142857142858) internal successors, (1390), 7 states have internal predecessors, (1390), 0 states have call successors, (0), 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 00:59:02,510 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 230.0) internal successors, (1840), 8 states have internal predecessors, (1840), 0 states have call successors, (0), 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 00:59:02,510 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 230.0) internal successors, (1840), 8 states have internal predecessors, (1840), 0 states have call successors, (0), 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 00:59:02,511 INFO L186 Difference]: Start difference. First operand has 242 places, 221 transitions, 607 flow. Second operand 7 states and 1390 transitions. [2022-01-19 00:59:02,511 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 253 transitions, 859 flow [2022-01-19 00:59:02,516 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 253 transitions, 819 flow, removed 15 selfloop flow, removed 9 redundant places. [2022-01-19 00:59:02,519 INFO L242 Difference]: Finished difference. Result has 235 places, 223 transitions, 654 flow [2022-01-19 00:59:02,520 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=230, PETRI_DIFFERENCE_MINUEND_FLOW=585, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=221, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=205, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=654, PETRI_PLACES=235, PETRI_TRANSITIONS=223} [2022-01-19 00:59:02,522 INFO L334 CegarLoopForPetriNet]: 210 programPoint places, 25 predicate places. [2022-01-19 00:59:02,522 INFO L470 AbstractCegarLoop]: Abstraction has has 235 places, 223 transitions, 654 flow [2022-01-19 00:59:02,523 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 192.0) internal successors, (1152), 6 states have internal predecessors, (1152), 0 states have call successors, (0), 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 00:59:02,523 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:59:02,523 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] [2022-01-19 00:59:02,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-19 00:59:02,523 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 00:59:02,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:59:02,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1729373994, now seen corresponding path program 2 times [2022-01-19 00:59:02,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:59:02,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480084804] [2022-01-19 00:59:02,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:59:02,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:59:02,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:59:02,635 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 00:59:02,635 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:59:02,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480084804] [2022-01-19 00:59:02,635 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480084804] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:59:02,636 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:59:02,636 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-19 00:59:02,636 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805643424] [2022-01-19 00:59:02,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:59:02,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-19 00:59:02,636 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:59:02,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-19 00:59:02,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-19 00:59:02,639 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 230 [2022-01-19 00:59:02,640 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 223 transitions, 654 flow. Second operand has 6 states, 6 states have (on average 192.0) internal successors, (1152), 6 states have internal predecessors, (1152), 0 states have call successors, (0), 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 00:59:02,640 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:59:02,640 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 230 [2022-01-19 00:59:02,640 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:59:02,861 INFO L129 PetriNetUnfolder]: 110/1203 cut-off events. [2022-01-19 00:59:02,861 INFO L130 PetriNetUnfolder]: For 730/746 co-relation queries the response was YES. [2022-01-19 00:59:02,869 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1885 conditions, 1203 events. 110/1203 cut-off events. For 730/746 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 7700 event pairs, 23 based on Foata normal form. 7/1121 useless extension candidates. Maximal degree in co-relation 1866. Up to 135 conditions per place. [2022-01-19 00:59:02,873 INFO L132 encePairwiseOnDemand]: 221/230 looper letters, 58 selfloop transitions, 14 changer transitions 0/253 dead transitions. [2022-01-19 00:59:02,873 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 253 transitions, 887 flow [2022-01-19 00:59:02,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-19 00:59:02,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-01-19 00:59:02,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1389 transitions. [2022-01-19 00:59:02,877 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8627329192546583 [2022-01-19 00:59:02,877 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1389 transitions. [2022-01-19 00:59:02,877 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1389 transitions. [2022-01-19 00:59:02,878 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:59:02,878 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1389 transitions. [2022-01-19 00:59:02,881 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 198.42857142857142) internal successors, (1389), 7 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 00:59:02,883 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 230.0) internal successors, (1840), 8 states have internal predecessors, (1840), 0 states have call successors, (0), 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 00:59:02,884 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 230.0) internal successors, (1840), 8 states have internal predecessors, (1840), 0 states have call successors, (0), 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 00:59:02,884 INFO L186 Difference]: Start difference. First operand has 235 places, 223 transitions, 654 flow. Second operand 7 states and 1389 transitions. [2022-01-19 00:59:02,884 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 253 transitions, 887 flow [2022-01-19 00:59:02,888 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 253 transitions, 872 flow, removed 2 selfloop flow, removed 3 redundant places. [2022-01-19 00:59:02,891 INFO L242 Difference]: Finished difference. Result has 241 places, 225 transitions, 706 flow [2022-01-19 00:59:02,891 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=230, PETRI_DIFFERENCE_MINUEND_FLOW=639, PETRI_DIFFERENCE_MINUEND_PLACES=232, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=209, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=706, PETRI_PLACES=241, PETRI_TRANSITIONS=225} [2022-01-19 00:59:02,892 INFO L334 CegarLoopForPetriNet]: 210 programPoint places, 31 predicate places. [2022-01-19 00:59:02,892 INFO L470 AbstractCegarLoop]: Abstraction has has 241 places, 225 transitions, 706 flow [2022-01-19 00:59:02,893 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 192.0) internal successors, (1152), 6 states have internal predecessors, (1152), 0 states have call successors, (0), 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 00:59:02,893 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:59:02,893 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] [2022-01-19 00:59:02,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-19 00:59:02,893 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 00:59:02,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:59:02,894 INFO L85 PathProgramCache]: Analyzing trace with hash 592781596, now seen corresponding path program 2 times [2022-01-19 00:59:02,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:59:02,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227894984] [2022-01-19 00:59:02,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:59:02,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:59:02,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:59:02,957 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 00:59:02,957 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:59:02,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227894984] [2022-01-19 00:59:02,958 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227894984] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:59:02,958 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:59:02,958 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-19 00:59:02,958 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141003654] [2022-01-19 00:59:02,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:59:02,959 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-19 00:59:02,959 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:59:02,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-19 00:59:02,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-01-19 00:59:02,961 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 230 [2022-01-19 00:59:02,963 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 225 transitions, 706 flow. Second operand has 8 states, 8 states have (on average 193.75) internal successors, (1550), 8 states have internal predecessors, (1550), 0 states have call successors, (0), 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 00:59:02,963 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:59:02,963 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 230 [2022-01-19 00:59:02,963 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:59:03,242 INFO L129 PetriNetUnfolder]: 153/1487 cut-off events. [2022-01-19 00:59:03,242 INFO L130 PetriNetUnfolder]: For 634/647 co-relation queries the response was YES. [2022-01-19 00:59:03,249 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2407 conditions, 1487 events. 153/1487 cut-off events. For 634/647 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 9667 event pairs, 76 based on Foata normal form. 3/1396 useless extension candidates. Maximal degree in co-relation 2385. Up to 259 conditions per place. [2022-01-19 00:59:03,254 INFO L132 encePairwiseOnDemand]: 221/230 looper letters, 34 selfloop transitions, 8 changer transitions 12/253 dead transitions. [2022-01-19 00:59:03,254 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 253 transitions, 925 flow [2022-01-19 00:59:03,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-19 00:59:03,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-01-19 00:59:03,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2152 transitions. [2022-01-19 00:59:03,258 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.850592885375494 [2022-01-19 00:59:03,258 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2152 transitions. [2022-01-19 00:59:03,259 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2152 transitions. [2022-01-19 00:59:03,260 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:59:03,260 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2152 transitions. [2022-01-19 00:59:03,264 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 195.63636363636363) internal successors, (2152), 11 states have internal predecessors, (2152), 0 states have call successors, (0), 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 00:59:03,268 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 230.0) internal successors, (2760), 12 states have internal predecessors, (2760), 0 states have call successors, (0), 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 00:59:03,268 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 230.0) internal successors, (2760), 12 states have internal predecessors, (2760), 0 states have call successors, (0), 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 00:59:03,268 INFO L186 Difference]: Start difference. First operand has 241 places, 225 transitions, 706 flow. Second operand 11 states and 2152 transitions. [2022-01-19 00:59:03,269 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 253 transitions, 925 flow [2022-01-19 00:59:03,273 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 253 transitions, 912 flow, removed 1 selfloop flow, removed 3 redundant places. [2022-01-19 00:59:03,276 INFO L242 Difference]: Finished difference. Result has 256 places, 232 transitions, 771 flow [2022-01-19 00:59:03,276 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=230, PETRI_DIFFERENCE_MINUEND_FLOW=693, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=225, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=220, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=771, PETRI_PLACES=256, PETRI_TRANSITIONS=232} [2022-01-19 00:59:03,277 INFO L334 CegarLoopForPetriNet]: 210 programPoint places, 46 predicate places. [2022-01-19 00:59:03,277 INFO L470 AbstractCegarLoop]: Abstraction has has 256 places, 232 transitions, 771 flow [2022-01-19 00:59:03,277 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 193.75) internal successors, (1550), 8 states have internal predecessors, (1550), 0 states have call successors, (0), 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 00:59:03,278 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:59:03,278 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] [2022-01-19 00:59:03,278 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-19 00:59:03,278 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 00:59:03,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:59:03,278 INFO L85 PathProgramCache]: Analyzing trace with hash 963975448, now seen corresponding path program 1 times [2022-01-19 00:59:03,278 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:59:03,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61973211] [2022-01-19 00:59:03,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:59:03,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:59:03,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:59:03,338 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 00:59:03,339 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:59:03,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61973211] [2022-01-19 00:59:03,339 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61973211] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:59:03,339 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:59:03,339 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-19 00:59:03,339 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151828818] [2022-01-19 00:59:03,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:59:03,340 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-19 00:59:03,340 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:59:03,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-19 00:59:03,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-01-19 00:59:03,342 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 230 [2022-01-19 00:59:03,344 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 256 places, 232 transitions, 771 flow. Second operand has 8 states, 8 states have (on average 193.75) internal successors, (1550), 8 states have internal predecessors, (1550), 0 states have call successors, (0), 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 00:59:03,344 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:59:03,344 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 230 [2022-01-19 00:59:03,344 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:59:03,658 INFO L129 PetriNetUnfolder]: 159/1511 cut-off events. [2022-01-19 00:59:03,658 INFO L130 PetriNetUnfolder]: For 1134/1159 co-relation queries the response was YES. [2022-01-19 00:59:03,666 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2810 conditions, 1511 events. 159/1511 cut-off events. For 1134/1159 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 9883 event pairs, 68 based on Foata normal form. 3/1421 useless extension candidates. Maximal degree in co-relation 2779. Up to 275 conditions per place. [2022-01-19 00:59:03,670 INFO L132 encePairwiseOnDemand]: 221/230 looper letters, 40 selfloop transitions, 8 changer transitions 12/259 dead transitions. [2022-01-19 00:59:03,670 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 261 places, 259 transitions, 1043 flow [2022-01-19 00:59:03,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-19 00:59:03,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-01-19 00:59:03,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2152 transitions. [2022-01-19 00:59:03,675 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.850592885375494 [2022-01-19 00:59:03,675 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2152 transitions. [2022-01-19 00:59:03,675 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2152 transitions. [2022-01-19 00:59:03,677 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:59:03,677 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2152 transitions. [2022-01-19 00:59:03,681 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 195.63636363636363) internal successors, (2152), 11 states have internal predecessors, (2152), 0 states have call successors, (0), 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 00:59:03,685 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 230.0) internal successors, (2760), 12 states have internal predecessors, (2760), 0 states have call successors, (0), 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 00:59:03,686 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 230.0) internal successors, (2760), 12 states have internal predecessors, (2760), 0 states have call successors, (0), 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 00:59:03,686 INFO L186 Difference]: Start difference. First operand has 256 places, 232 transitions, 771 flow. Second operand 11 states and 2152 transitions. [2022-01-19 00:59:03,686 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 261 places, 259 transitions, 1043 flow [2022-01-19 00:59:03,693 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 257 places, 259 transitions, 1023 flow, removed 10 selfloop flow, removed 4 redundant places. [2022-01-19 00:59:03,696 INFO L242 Difference]: Finished difference. Result has 265 places, 238 transitions, 834 flow [2022-01-19 00:59:03,697 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=230, PETRI_DIFFERENCE_MINUEND_FLOW=757, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=232, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=227, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=834, PETRI_PLACES=265, PETRI_TRANSITIONS=238} [2022-01-19 00:59:03,698 INFO L334 CegarLoopForPetriNet]: 210 programPoint places, 55 predicate places. [2022-01-19 00:59:03,699 INFO L470 AbstractCegarLoop]: Abstraction has has 265 places, 238 transitions, 834 flow [2022-01-19 00:59:03,710 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 193.75) internal successors, (1550), 8 states have internal predecessors, (1550), 0 states have call successors, (0), 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 00:59:03,710 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:59:03,710 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] [2022-01-19 00:59:03,710 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-19 00:59:03,711 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 00:59:03,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:59:03,711 INFO L85 PathProgramCache]: Analyzing trace with hash -769828056, now seen corresponding path program 2 times [2022-01-19 00:59:03,711 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:59:03,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926525230] [2022-01-19 00:59:03,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:59:03,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:59:03,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:59:03,790 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 00:59:03,791 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:59:03,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926525230] [2022-01-19 00:59:03,791 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926525230] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:59:03,791 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:59:03,791 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-19 00:59:03,791 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698345593] [2022-01-19 00:59:03,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:59:03,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-19 00:59:03,792 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:59:03,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-19 00:59:03,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-01-19 00:59:03,794 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 230 [2022-01-19 00:59:03,796 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 238 transitions, 834 flow. Second operand has 8 states, 8 states have (on average 193.75) internal successors, (1550), 8 states have internal predecessors, (1550), 0 states have call successors, (0), 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 00:59:03,796 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:59:03,796 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 230 [2022-01-19 00:59:03,796 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:59:04,093 INFO L129 PetriNetUnfolder]: 155/1519 cut-off events. [2022-01-19 00:59:04,094 INFO L130 PetriNetUnfolder]: For 1707/1744 co-relation queries the response was YES. [2022-01-19 00:59:04,103 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3073 conditions, 1519 events. 155/1519 cut-off events. For 1707/1744 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 10005 event pairs, 52 based on Foata normal form. 7/1437 useless extension candidates. Maximal degree in co-relation 3037. Up to 211 conditions per place. [2022-01-19 00:59:04,108 INFO L132 encePairwiseOnDemand]: 221/230 looper letters, 57 selfloop transitions, 6 changer transitions 17/279 dead transitions. [2022-01-19 00:59:04,108 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 272 places, 279 transitions, 1263 flow [2022-01-19 00:59:04,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-19 00:59:04,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-01-19 00:59:04,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2543 transitions. [2022-01-19 00:59:04,113 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8505016722408026 [2022-01-19 00:59:04,113 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2543 transitions. [2022-01-19 00:59:04,113 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2543 transitions. [2022-01-19 00:59:04,115 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:59:04,115 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2543 transitions. [2022-01-19 00:59:04,119 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 195.6153846153846) internal successors, (2543), 13 states have internal predecessors, (2543), 0 states have call successors, (0), 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 00:59:04,123 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 230.0) internal successors, (3220), 14 states have internal predecessors, (3220), 0 states have call successors, (0), 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 00:59:04,124 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 230.0) internal successors, (3220), 14 states have internal predecessors, (3220), 0 states have call successors, (0), 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 00:59:04,124 INFO L186 Difference]: Start difference. First operand has 265 places, 238 transitions, 834 flow. Second operand 13 states and 2543 transitions. [2022-01-19 00:59:04,124 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 272 places, 279 transitions, 1263 flow [2022-01-19 00:59:04,133 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 265 places, 279 transitions, 1160 flow, removed 45 selfloop flow, removed 7 redundant places. [2022-01-19 00:59:04,136 INFO L242 Difference]: Finished difference. Result has 275 places, 239 transitions, 843 flow [2022-01-19 00:59:04,137 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=230, PETRI_DIFFERENCE_MINUEND_FLOW=790, PETRI_DIFFERENCE_MINUEND_PLACES=253, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=238, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=843, PETRI_PLACES=275, PETRI_TRANSITIONS=239} [2022-01-19 00:59:04,137 INFO L334 CegarLoopForPetriNet]: 210 programPoint places, 65 predicate places. [2022-01-19 00:59:04,137 INFO L470 AbstractCegarLoop]: Abstraction has has 275 places, 239 transitions, 843 flow [2022-01-19 00:59:04,138 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 193.75) internal successors, (1550), 8 states have internal predecessors, (1550), 0 states have call successors, (0), 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 00:59:04,138 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:59:04,138 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] [2022-01-19 00:59:04,138 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-19 00:59:04,138 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 00:59:04,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:59:04,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1693242874, now seen corresponding path program 3 times [2022-01-19 00:59:04,139 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:59:04,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155132170] [2022-01-19 00:59:04,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:59:04,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:59:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:59:04,196 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 00:59:04,196 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:59:04,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155132170] [2022-01-19 00:59:04,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155132170] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:59:04,196 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:59:04,196 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-19 00:59:04,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90141098] [2022-01-19 00:59:04,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:59:04,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-19 00:59:04,197 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:59:04,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-19 00:59:04,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-01-19 00:59:04,199 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 230 [2022-01-19 00:59:04,200 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 239 transitions, 843 flow. Second operand has 8 states, 8 states have (on average 193.75) internal successors, (1550), 8 states have internal predecessors, (1550), 0 states have call successors, (0), 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 00:59:04,200 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:59:04,200 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 230 [2022-01-19 00:59:04,200 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:59:04,483 INFO L129 PetriNetUnfolder]: 152/1535 cut-off events. [2022-01-19 00:59:04,483 INFO L130 PetriNetUnfolder]: For 1906/1949 co-relation queries the response was YES. [2022-01-19 00:59:04,493 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3125 conditions, 1535 events. 152/1535 cut-off events. For 1906/1949 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 10218 event pairs, 46 based on Foata normal form. 5/1452 useless extension candidates. Maximal degree in co-relation 3085. Up to 195 conditions per place. [2022-01-19 00:59:04,498 INFO L132 encePairwiseOnDemand]: 221/230 looper letters, 59 selfloop transitions, 6 changer transitions 16/280 dead transitions. [2022-01-19 00:59:04,498 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 280 transitions, 1305 flow [2022-01-19 00:59:04,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-19 00:59:04,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-01-19 00:59:04,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2545 transitions. [2022-01-19 00:59:04,503 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8511705685618729 [2022-01-19 00:59:04,503 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2545 transitions. [2022-01-19 00:59:04,503 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2545 transitions. [2022-01-19 00:59:04,504 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:59:04,504 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2545 transitions. [2022-01-19 00:59:04,508 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 195.76923076923077) internal successors, (2545), 13 states have internal predecessors, (2545), 0 states have call successors, (0), 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 00:59:04,512 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 230.0) internal successors, (3220), 14 states have internal predecessors, (3220), 0 states have call successors, (0), 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 00:59:04,513 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 230.0) internal successors, (3220), 14 states have internal predecessors, (3220), 0 states have call successors, (0), 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 00:59:04,513 INFO L186 Difference]: Start difference. First operand has 275 places, 239 transitions, 843 flow. Second operand 13 states and 2545 transitions. [2022-01-19 00:59:04,513 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 280 transitions, 1305 flow [2022-01-19 00:59:04,522 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 271 places, 280 transitions, 1259 flow, removed 21 selfloop flow, removed 8 redundant places. [2022-01-19 00:59:04,526 INFO L242 Difference]: Finished difference. Result has 280 places, 239 transitions, 862 flow [2022-01-19 00:59:04,526 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=230, PETRI_DIFFERENCE_MINUEND_FLOW=826, PETRI_DIFFERENCE_MINUEND_PLACES=259, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=239, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=862, PETRI_PLACES=280, PETRI_TRANSITIONS=239} [2022-01-19 00:59:04,526 INFO L334 CegarLoopForPetriNet]: 210 programPoint places, 70 predicate places. [2022-01-19 00:59:04,527 INFO L470 AbstractCegarLoop]: Abstraction has has 280 places, 239 transitions, 862 flow [2022-01-19 00:59:04,527 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 193.75) internal successors, (1550), 8 states have internal predecessors, (1550), 0 states have call successors, (0), 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 00:59:04,527 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:59:04,527 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] [2022-01-19 00:59:04,527 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-19 00:59:04,528 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 00:59:04,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:59:04,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1108970958, now seen corresponding path program 4 times [2022-01-19 00:59:04,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:59:04,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101334219] [2022-01-19 00:59:04,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:59:04,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:59:04,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:59:04,611 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 00:59:04,611 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:59:04,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101334219] [2022-01-19 00:59:04,612 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101334219] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:59:04,612 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:59:04,612 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-19 00:59:04,612 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088260741] [2022-01-19 00:59:04,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:59:04,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-19 00:59:04,613 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:59:04,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-19 00:59:04,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-01-19 00:59:04,615 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 230 [2022-01-19 00:59:04,616 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 239 transitions, 862 flow. Second operand has 8 states, 8 states have (on average 193.75) internal successors, (1550), 8 states have internal predecessors, (1550), 0 states have call successors, (0), 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 00:59:04,616 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:59:04,616 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 230 [2022-01-19 00:59:04,616 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:59:04,871 INFO L129 PetriNetUnfolder]: 139/1389 cut-off events. [2022-01-19 00:59:04,871 INFO L130 PetriNetUnfolder]: For 2224/2272 co-relation queries the response was YES. [2022-01-19 00:59:04,880 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3051 conditions, 1389 events. 139/1389 cut-off events. For 2224/2272 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 8934 event pairs, 64 based on Foata normal form. 3/1310 useless extension candidates. Maximal degree in co-relation 3009. Up to 285 conditions per place. [2022-01-19 00:59:04,885 INFO L132 encePairwiseOnDemand]: 221/230 looper letters, 42 selfloop transitions, 10 changer transitions 11/262 dead transitions. [2022-01-19 00:59:04,885 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 262 transitions, 1204 flow [2022-01-19 00:59:04,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-19 00:59:04,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-01-19 00:59:04,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2150 transitions. [2022-01-19 00:59:04,890 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.849802371541502 [2022-01-19 00:59:04,890 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2150 transitions. [2022-01-19 00:59:04,890 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2150 transitions. [2022-01-19 00:59:04,891 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:59:04,891 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2150 transitions. [2022-01-19 00:59:04,894 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 195.45454545454547) internal successors, (2150), 11 states have internal predecessors, (2150), 0 states have call successors, (0), 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 00:59:04,898 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 230.0) internal successors, (2760), 12 states have internal predecessors, (2760), 0 states have call successors, (0), 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 00:59:04,898 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 230.0) internal successors, (2760), 12 states have internal predecessors, (2760), 0 states have call successors, (0), 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 00:59:04,898 INFO L186 Difference]: Start difference. First operand has 280 places, 239 transitions, 862 flow. Second operand 11 states and 2150 transitions. [2022-01-19 00:59:04,898 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 262 transitions, 1204 flow [2022-01-19 00:59:04,906 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 271 places, 262 transitions, 1125 flow, removed 23 selfloop flow, removed 11 redundant places. [2022-01-19 00:59:04,909 INFO L242 Difference]: Finished difference. Result has 279 places, 245 transitions, 940 flow [2022-01-19 00:59:04,910 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=230, PETRI_DIFFERENCE_MINUEND_FLOW=824, PETRI_DIFFERENCE_MINUEND_PLACES=261, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=239, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=940, PETRI_PLACES=279, PETRI_TRANSITIONS=245} [2022-01-19 00:59:04,910 INFO L334 CegarLoopForPetriNet]: 210 programPoint places, 69 predicate places. [2022-01-19 00:59:04,910 INFO L470 AbstractCegarLoop]: Abstraction has has 279 places, 245 transitions, 940 flow [2022-01-19 00:59:04,911 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 193.75) internal successors, (1550), 8 states have internal predecessors, (1550), 0 states have call successors, (0), 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 00:59:04,911 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:59:04,911 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] [2022-01-19 00:59:04,911 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-19 00:59:04,911 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 00:59:04,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:59:04,912 INFO L85 PathProgramCache]: Analyzing trace with hash -1358536022, now seen corresponding path program 5 times [2022-01-19 00:59:04,912 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:59:04,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254622020] [2022-01-19 00:59:04,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:59:04,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:59:04,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:59:04,967 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 00:59:04,967 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:59:04,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254622020] [2022-01-19 00:59:04,967 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254622020] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:59:04,967 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:59:04,967 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-19 00:59:04,967 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447177398] [2022-01-19 00:59:04,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:59:04,968 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-19 00:59:04,968 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:59:04,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-19 00:59:04,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-01-19 00:59:04,970 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 230 [2022-01-19 00:59:04,971 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 245 transitions, 940 flow. Second operand has 8 states, 8 states have (on average 193.75) internal successors, (1550), 8 states have internal predecessors, (1550), 0 states have call successors, (0), 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 00:59:04,971 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:59:04,971 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 230 [2022-01-19 00:59:04,971 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:59:05,228 INFO L129 PetriNetUnfolder]: 133/1467 cut-off events. [2022-01-19 00:59:05,228 INFO L130 PetriNetUnfolder]: For 2100/2157 co-relation queries the response was YES. [2022-01-19 00:59:05,240 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3031 conditions, 1467 events. 133/1467 cut-off events. For 2100/2157 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 9640 event pairs, 60 based on Foata normal form. 11/1391 useless extension candidates. Maximal degree in co-relation 2989. Up to 265 conditions per place. [2022-01-19 00:59:05,245 INFO L132 encePairwiseOnDemand]: 221/230 looper letters, 41 selfloop transitions, 4 changer transitions 18/262 dead transitions. [2022-01-19 00:59:05,245 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 262 transitions, 1198 flow [2022-01-19 00:59:05,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-19 00:59:05,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2022-01-19 00:59:05,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 2341 transitions. [2022-01-19 00:59:05,249 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8481884057971014 [2022-01-19 00:59:05,249 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 2341 transitions. [2022-01-19 00:59:05,249 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 2341 transitions. [2022-01-19 00:59:05,250 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:59:05,250 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 2341 transitions. [2022-01-19 00:59:05,252 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 195.08333333333334) internal successors, (2341), 12 states have internal predecessors, (2341), 0 states have call successors, (0), 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 00:59:05,256 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 230.0) internal successors, (2990), 13 states have internal predecessors, (2990), 0 states have call successors, (0), 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 00:59:05,256 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 230.0) internal successors, (2990), 13 states have internal predecessors, (2990), 0 states have call successors, (0), 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 00:59:05,257 INFO L186 Difference]: Start difference. First operand has 279 places, 245 transitions, 940 flow. Second operand 12 states and 2341 transitions. [2022-01-19 00:59:05,257 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 262 transitions, 1198 flow [2022-01-19 00:59:05,266 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 262 transitions, 1141 flow, removed 25 selfloop flow, removed 5 redundant places. [2022-01-19 00:59:05,269 INFO L242 Difference]: Finished difference. Result has 286 places, 239 transitions, 862 flow [2022-01-19 00:59:05,270 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=230, PETRI_DIFFERENCE_MINUEND_FLOW=897, PETRI_DIFFERENCE_MINUEND_PLACES=269, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=245, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=241, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=862, PETRI_PLACES=286, PETRI_TRANSITIONS=239} [2022-01-19 00:59:05,270 INFO L334 CegarLoopForPetriNet]: 210 programPoint places, 76 predicate places. [2022-01-19 00:59:05,270 INFO L470 AbstractCegarLoop]: Abstraction has has 286 places, 239 transitions, 862 flow [2022-01-19 00:59:05,271 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 193.75) internal successors, (1550), 8 states have internal predecessors, (1550), 0 states have call successors, (0), 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 00:59:05,271 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:59:05,271 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] [2022-01-19 00:59:05,271 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-19 00:59:05,271 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 00:59:05,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:59:05,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1201816088, now seen corresponding path program 6 times [2022-01-19 00:59:05,272 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:59:05,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221406923] [2022-01-19 00:59:05,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:59:05,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:59:05,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:59:05,327 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 00:59:05,327 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:59:05,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221406923] [2022-01-19 00:59:05,327 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221406923] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:59:05,327 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:59:05,328 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-19 00:59:05,328 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453338528] [2022-01-19 00:59:05,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:59:05,328 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-19 00:59:05,328 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:59:05,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-19 00:59:05,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-01-19 00:59:05,330 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 230 [2022-01-19 00:59:05,331 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 239 transitions, 862 flow. Second operand has 8 states, 8 states have (on average 193.75) internal successors, (1550), 8 states have internal predecessors, (1550), 0 states have call successors, (0), 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 00:59:05,331 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:59:05,331 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 230 [2022-01-19 00:59:05,331 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:59:05,609 INFO L129 PetriNetUnfolder]: 127/1421 cut-off events. [2022-01-19 00:59:05,609 INFO L130 PetriNetUnfolder]: For 1953/2006 co-relation queries the response was YES. [2022-01-19 00:59:05,617 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2831 conditions, 1421 events. 127/1421 cut-off events. For 1953/2006 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 9146 event pairs, 60 based on Foata normal form. 5/1338 useless extension candidates. Maximal degree in co-relation 2787. Up to 241 conditions per place. [2022-01-19 00:59:05,621 INFO L132 encePairwiseOnDemand]: 221/230 looper letters, 36 selfloop transitions, 2 changer transitions 19/254 dead transitions. [2022-01-19 00:59:05,622 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 254 transitions, 1071 flow [2022-01-19 00:59:05,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-19 00:59:05,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2022-01-19 00:59:05,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 2340 transitions. [2022-01-19 00:59:05,624 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8478260869565217 [2022-01-19 00:59:05,625 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 2340 transitions. [2022-01-19 00:59:05,625 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 2340 transitions. [2022-01-19 00:59:05,625 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:59:05,625 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 2340 transitions. [2022-01-19 00:59:05,628 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 195.0) internal successors, (2340), 12 states have internal predecessors, (2340), 0 states have call successors, (0), 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 00:59:05,630 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 230.0) internal successors, (2990), 13 states have internal predecessors, (2990), 0 states have call successors, (0), 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 00:59:05,631 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 230.0) internal successors, (2990), 13 states have internal predecessors, (2990), 0 states have call successors, (0), 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 00:59:05,631 INFO L186 Difference]: Start difference. First operand has 286 places, 239 transitions, 862 flow. Second operand 12 states and 2340 transitions. [2022-01-19 00:59:05,631 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 254 transitions, 1071 flow [2022-01-19 00:59:05,638 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 272 places, 254 transitions, 1007 flow, removed 19 selfloop flow, removed 13 redundant places. [2022-01-19 00:59:05,641 INFO L242 Difference]: Finished difference. Result has 278 places, 231 transitions, 774 flow [2022-01-19 00:59:05,641 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=230, PETRI_DIFFERENCE_MINUEND_FLOW=822, PETRI_DIFFERENCE_MINUEND_PLACES=261, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=239, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=237, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=774, PETRI_PLACES=278, PETRI_TRANSITIONS=231} [2022-01-19 00:59:05,642 INFO L334 CegarLoopForPetriNet]: 210 programPoint places, 68 predicate places. [2022-01-19 00:59:05,642 INFO L470 AbstractCegarLoop]: Abstraction has has 278 places, 231 transitions, 774 flow [2022-01-19 00:59:05,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 193.75) internal successors, (1550), 8 states have internal predecessors, (1550), 0 states have call successors, (0), 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 00:59:05,642 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:59:05,642 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] [2022-01-19 00:59:05,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-01-19 00:59:05,643 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 00:59:05,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:59:05,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1115789980, now seen corresponding path program 3 times [2022-01-19 00:59:05,643 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:59:05,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018629427] [2022-01-19 00:59:05,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:59:05,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:59:05,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:59:05,692 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 00:59:05,692 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:59:05,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018629427] [2022-01-19 00:59:05,692 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018629427] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:59:05,692 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:59:05,692 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-19 00:59:05,692 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912151967] [2022-01-19 00:59:05,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:59:05,693 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-19 00:59:05,693 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:59:05,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-19 00:59:05,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-01-19 00:59:05,694 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 230 [2022-01-19 00:59:05,696 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 231 transitions, 774 flow. Second operand has 8 states, 8 states have (on average 193.75) internal successors, (1550), 8 states have internal predecessors, (1550), 0 states have call successors, (0), 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 00:59:05,696 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:59:05,696 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 230 [2022-01-19 00:59:05,696 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:59:05,954 INFO L129 PetriNetUnfolder]: 124/1396 cut-off events. [2022-01-19 00:59:05,955 INFO L130 PetriNetUnfolder]: For 1369/1402 co-relation queries the response was YES. [2022-01-19 00:59:05,964 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2594 conditions, 1396 events. 124/1396 cut-off events. For 1369/1402 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 8977 event pairs, 36 based on Foata normal form. 7/1321 useless extension candidates. Maximal degree in co-relation 2554. Up to 132 conditions per place. [2022-01-19 00:59:05,968 INFO L132 encePairwiseOnDemand]: 219/230 looper letters, 49 selfloop transitions, 8 changer transitions 17/271 dead transitions. [2022-01-19 00:59:05,968 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 271 transitions, 1141 flow [2022-01-19 00:59:05,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-19 00:59:05,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-01-19 00:59:05,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2543 transitions. [2022-01-19 00:59:05,971 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8505016722408026 [2022-01-19 00:59:05,971 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2543 transitions. [2022-01-19 00:59:05,971 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2543 transitions. [2022-01-19 00:59:05,972 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:59:05,972 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2543 transitions. [2022-01-19 00:59:05,975 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 195.6153846153846) internal successors, (2543), 13 states have internal predecessors, (2543), 0 states have call successors, (0), 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 00:59:05,977 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 230.0) internal successors, (3220), 14 states have internal predecessors, (3220), 0 states have call successors, (0), 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 00:59:05,978 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 230.0) internal successors, (3220), 14 states have internal predecessors, (3220), 0 states have call successors, (0), 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 00:59:05,978 INFO L186 Difference]: Start difference. First operand has 278 places, 231 transitions, 774 flow. Second operand 13 states and 2543 transitions. [2022-01-19 00:59:05,978 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 271 transitions, 1141 flow [2022-01-19 00:59:05,984 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 264 places, 271 transitions, 1070 flow, removed 24 selfloop flow, removed 14 redundant places. [2022-01-19 00:59:05,987 INFO L242 Difference]: Finished difference. Result has 273 places, 231 transitions, 776 flow [2022-01-19 00:59:05,987 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=230, PETRI_DIFFERENCE_MINUEND_FLOW=731, PETRI_DIFFERENCE_MINUEND_PLACES=252, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=223, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=776, PETRI_PLACES=273, PETRI_TRANSITIONS=231} [2022-01-19 00:59:05,988 INFO L334 CegarLoopForPetriNet]: 210 programPoint places, 63 predicate places. [2022-01-19 00:59:05,988 INFO L470 AbstractCegarLoop]: Abstraction has has 273 places, 231 transitions, 776 flow [2022-01-19 00:59:05,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 193.75) internal successors, (1550), 8 states have internal predecessors, (1550), 0 states have call successors, (0), 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 00:59:05,989 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:59:05,989 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] [2022-01-19 00:59:05,989 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-01-19 00:59:05,989 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 00:59:05,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:59:05,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1968758762, now seen corresponding path program 4 times [2022-01-19 00:59:05,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:59:05,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980175343] [2022-01-19 00:59:05,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:59:05,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:59:06,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:59:06,039 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 00:59:06,039 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:59:06,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980175343] [2022-01-19 00:59:06,039 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980175343] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:59:06,039 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:59:06,039 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-19 00:59:06,040 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681836907] [2022-01-19 00:59:06,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:59:06,040 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-19 00:59:06,040 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:59:06,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-19 00:59:06,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-01-19 00:59:06,042 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 230 [2022-01-19 00:59:06,043 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 231 transitions, 776 flow. Second operand has 8 states, 8 states have (on average 193.75) internal successors, (1550), 8 states have internal predecessors, (1550), 0 states have call successors, (0), 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 00:59:06,043 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:59:06,043 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 230 [2022-01-19 00:59:06,043 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:59:06,302 INFO L129 PetriNetUnfolder]: 114/1260 cut-off events. [2022-01-19 00:59:06,303 INFO L130 PetriNetUnfolder]: For 1423/1462 co-relation queries the response was YES. [2022-01-19 00:59:06,312 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2439 conditions, 1260 events. 114/1260 cut-off events. For 1423/1462 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 7730 event pairs, 44 based on Foata normal form. 3/1188 useless extension candidates. Maximal degree in co-relation 2400. Up to 194 conditions per place. [2022-01-19 00:59:06,315 INFO L132 encePairwiseOnDemand]: 221/230 looper letters, 37 selfloop transitions, 10 changer transitions 12/256 dead transitions. [2022-01-19 00:59:06,315 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 256 transitions, 1084 flow [2022-01-19 00:59:06,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-19 00:59:06,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2022-01-19 00:59:06,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 2343 transitions. [2022-01-19 00:59:06,318 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8489130434782609 [2022-01-19 00:59:06,318 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 2343 transitions. [2022-01-19 00:59:06,319 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 2343 transitions. [2022-01-19 00:59:06,319 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:59:06,319 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 2343 transitions. [2022-01-19 00:59:06,322 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 195.25) internal successors, (2343), 12 states have internal predecessors, (2343), 0 states have call successors, (0), 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 00:59:06,325 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 230.0) internal successors, (2990), 13 states have internal predecessors, (2990), 0 states have call successors, (0), 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 00:59:06,325 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 230.0) internal successors, (2990), 13 states have internal predecessors, (2990), 0 states have call successors, (0), 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 00:59:06,325 INFO L186 Difference]: Start difference. First operand has 273 places, 231 transitions, 776 flow. Second operand 12 states and 2343 transitions. [2022-01-19 00:59:06,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 276 places, 256 transitions, 1084 flow [2022-01-19 00:59:06,331 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 264 places, 256 transitions, 1000 flow, removed 18 selfloop flow, removed 12 redundant places. [2022-01-19 00:59:06,334 INFO L242 Difference]: Finished difference. Result has 271 places, 237 transitions, 832 flow [2022-01-19 00:59:06,334 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=230, PETRI_DIFFERENCE_MINUEND_FLOW=738, PETRI_DIFFERENCE_MINUEND_PLACES=253, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=832, PETRI_PLACES=271, PETRI_TRANSITIONS=237} [2022-01-19 00:59:06,334 INFO L334 CegarLoopForPetriNet]: 210 programPoint places, 61 predicate places. [2022-01-19 00:59:06,334 INFO L470 AbstractCegarLoop]: Abstraction has has 271 places, 237 transitions, 832 flow [2022-01-19 00:59:06,335 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 193.75) internal successors, (1550), 8 states have internal predecessors, (1550), 0 states have call successors, (0), 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 00:59:06,335 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:59:06,335 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] [2022-01-19 00:59:06,335 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-01-19 00:59:06,335 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 00:59:06,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:59:06,336 INFO L85 PathProgramCache]: Analyzing trace with hash -416983822, now seen corresponding path program 5 times [2022-01-19 00:59:06,336 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:59:06,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068880208] [2022-01-19 00:59:06,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:59:06,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:59:06,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:59:06,392 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 00:59:06,392 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:59:06,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068880208] [2022-01-19 00:59:06,392 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068880208] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:59:06,392 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:59:06,392 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-19 00:59:06,393 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115546363] [2022-01-19 00:59:06,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:59:06,393 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-19 00:59:06,393 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:59:06,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-19 00:59:06,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-01-19 00:59:06,395 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 230 [2022-01-19 00:59:06,396 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 271 places, 237 transitions, 832 flow. Second operand has 8 states, 8 states have (on average 193.75) internal successors, (1550), 8 states have internal predecessors, (1550), 0 states have call successors, (0), 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 00:59:06,396 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:59:06,396 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 230 [2022-01-19 00:59:06,396 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:59:06,662 INFO L129 PetriNetUnfolder]: 106/1340 cut-off events. [2022-01-19 00:59:06,663 INFO L130 PetriNetUnfolder]: For 1450/1504 co-relation queries the response was YES. [2022-01-19 00:59:06,672 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2457 conditions, 1340 events. 106/1340 cut-off events. For 1450/1504 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 8476 event pairs, 44 based on Foata normal form. 11/1269 useless extension candidates. Maximal degree in co-relation 2419. Up to 192 conditions per place. [2022-01-19 00:59:06,676 INFO L132 encePairwiseOnDemand]: 221/230 looper letters, 35 selfloop transitions, 4 changer transitions 16/252 dead transitions. [2022-01-19 00:59:06,676 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 275 places, 252 transitions, 1038 flow [2022-01-19 00:59:06,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-19 00:59:06,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-01-19 00:59:06,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2148 transitions. [2022-01-19 00:59:06,679 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8490118577075099 [2022-01-19 00:59:06,679 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2148 transitions. [2022-01-19 00:59:06,679 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2148 transitions. [2022-01-19 00:59:06,680 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:59:06,680 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2148 transitions. [2022-01-19 00:59:06,682 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 195.27272727272728) internal successors, (2148), 11 states have internal predecessors, (2148), 0 states have call successors, (0), 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 00:59:06,685 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 230.0) internal successors, (2760), 12 states have internal predecessors, (2760), 0 states have call successors, (0), 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 00:59:06,685 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 230.0) internal successors, (2760), 12 states have internal predecessors, (2760), 0 states have call successors, (0), 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 00:59:06,685 INFO L186 Difference]: Start difference. First operand has 271 places, 237 transitions, 832 flow. Second operand 11 states and 2148 transitions. [2022-01-19 00:59:06,685 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 275 places, 252 transitions, 1038 flow [2022-01-19 00:59:06,693 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 272 places, 252 transitions, 1012 flow, removed 13 selfloop flow, removed 3 redundant places. [2022-01-19 00:59:06,695 INFO L242 Difference]: Finished difference. Result has 277 places, 231 transitions, 778 flow [2022-01-19 00:59:06,696 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=230, PETRI_DIFFERENCE_MINUEND_FLOW=814, PETRI_DIFFERENCE_MINUEND_PLACES=262, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=237, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=778, PETRI_PLACES=277, PETRI_TRANSITIONS=231} [2022-01-19 00:59:06,696 INFO L334 CegarLoopForPetriNet]: 210 programPoint places, 67 predicate places. [2022-01-19 00:59:06,696 INFO L470 AbstractCegarLoop]: Abstraction has has 277 places, 231 transitions, 778 flow [2022-01-19 00:59:06,697 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 193.75) internal successors, (1550), 8 states have internal predecessors, (1550), 0 states have call successors, (0), 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 00:59:06,697 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:59:06,697 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] [2022-01-19 00:59:06,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-01-19 00:59:06,697 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 00:59:06,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:59:06,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1458226200, now seen corresponding path program 6 times [2022-01-19 00:59:06,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:59:06,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002990883] [2022-01-19 00:59:06,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:59:06,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:59:06,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:59:06,748 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 00:59:06,748 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:59:06,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002990883] [2022-01-19 00:59:06,749 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002990883] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:59:06,749 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:59:06,749 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-19 00:59:06,749 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91812701] [2022-01-19 00:59:06,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:59:06,749 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-19 00:59:06,749 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:59:06,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-19 00:59:06,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-01-19 00:59:06,751 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 230 [2022-01-19 00:59:06,752 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 277 places, 231 transitions, 778 flow. Second operand has 8 states, 8 states have (on average 193.75) internal successors, (1550), 8 states have internal predecessors, (1550), 0 states have call successors, (0), 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 00:59:06,753 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:59:06,753 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 230 [2022-01-19 00:59:06,753 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:59:06,988 INFO L129 PetriNetUnfolder]: 102/1296 cut-off events. [2022-01-19 00:59:06,988 INFO L130 PetriNetUnfolder]: For 1523/1573 co-relation queries the response was YES. [2022-01-19 00:59:06,996 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2338 conditions, 1296 events. 102/1296 cut-off events. For 1523/1573 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 8061 event pairs, 44 based on Foata normal form. 5/1218 useless extension candidates. Maximal degree in co-relation 2297. Up to 164 conditions per place. [2022-01-19 00:59:06,999 INFO L132 encePairwiseOnDemand]: 221/230 looper letters, 30 selfloop transitions, 2 changer transitions 19/246 dead transitions. [2022-01-19 00:59:06,999 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 246 transitions, 973 flow [2022-01-19 00:59:07,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-19 00:59:07,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2022-01-19 00:59:07,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 2340 transitions. [2022-01-19 00:59:07,002 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8478260869565217 [2022-01-19 00:59:07,002 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 2340 transitions. [2022-01-19 00:59:07,002 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 2340 transitions. [2022-01-19 00:59:07,003 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:59:07,003 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 2340 transitions. [2022-01-19 00:59:07,006 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 195.0) internal successors, (2340), 12 states have internal predecessors, (2340), 0 states have call successors, (0), 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 00:59:07,008 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 230.0) internal successors, (2990), 13 states have internal predecessors, (2990), 0 states have call successors, (0), 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 00:59:07,009 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 230.0) internal successors, (2990), 13 states have internal predecessors, (2990), 0 states have call successors, (0), 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 00:59:07,009 INFO L186 Difference]: Start difference. First operand has 277 places, 231 transitions, 778 flow. Second operand 12 states and 2340 transitions. [2022-01-19 00:59:07,009 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 277 places, 246 transitions, 973 flow [2022-01-19 00:59:07,015 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 266 places, 246 transitions, 923 flow, removed 16 selfloop flow, removed 11 redundant places. [2022-01-19 00:59:07,017 INFO L242 Difference]: Finished difference. Result has 272 places, 223 transitions, 709 flow [2022-01-19 00:59:07,018 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=230, PETRI_DIFFERENCE_MINUEND_FLOW=748, PETRI_DIFFERENCE_MINUEND_PLACES=255, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=709, PETRI_PLACES=272, PETRI_TRANSITIONS=223} [2022-01-19 00:59:07,018 INFO L334 CegarLoopForPetriNet]: 210 programPoint places, 62 predicate places. [2022-01-19 00:59:07,018 INFO L470 AbstractCegarLoop]: Abstraction has has 272 places, 223 transitions, 709 flow [2022-01-19 00:59:07,019 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 193.75) internal successors, (1550), 8 states have internal predecessors, (1550), 0 states have call successors, (0), 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 00:59:07,019 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:59:07,019 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] [2022-01-19 00:59:07,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-01-19 00:59:07,019 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 00:59:07,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:59:07,019 INFO L85 PathProgramCache]: Analyzing trace with hash 522220320, now seen corresponding path program 1 times [2022-01-19 00:59:07,020 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:59:07,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973648820] [2022-01-19 00:59:07,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:59:07,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:59:07,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:59:07,064 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:59:07,064 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:59:07,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973648820] [2022-01-19 00:59:07,065 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973648820] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:59:07,065 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:59:07,065 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-19 00:59:07,065 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598612722] [2022-01-19 00:59:07,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:59:07,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-19 00:59:07,065 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:59:07,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-19 00:59:07,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-19 00:59:07,067 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 230 [2022-01-19 00:59:07,067 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 272 places, 223 transitions, 709 flow. Second operand has 5 states, 5 states have (on average 203.6) internal successors, (1018), 5 states have internal predecessors, (1018), 0 states have call successors, (0), 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 00:59:07,067 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:59:07,067 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 230 [2022-01-19 00:59:07,068 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:59:07,346 INFO L129 PetriNetUnfolder]: 130/2075 cut-off events. [2022-01-19 00:59:07,347 INFO L130 PetriNetUnfolder]: For 1225/1247 co-relation queries the response was YES. [2022-01-19 00:59:07,356 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3190 conditions, 2075 events. 130/2075 cut-off events. For 1225/1247 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 14876 event pairs, 49 based on Foata normal form. 1/1912 useless extension candidates. Maximal degree in co-relation 3151. Up to 120 conditions per place. [2022-01-19 00:59:07,359 INFO L132 encePairwiseOnDemand]: 223/230 looper letters, 27 selfloop transitions, 5 changer transitions 3/242 dead transitions. [2022-01-19 00:59:07,359 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 242 transitions, 821 flow [2022-01-19 00:59:07,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-19 00:59:07,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-01-19 00:59:07,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1242 transitions. [2022-01-19 00:59:07,362 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9 [2022-01-19 00:59:07,362 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1242 transitions. [2022-01-19 00:59:07,362 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1242 transitions. [2022-01-19 00:59:07,362 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:59:07,362 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1242 transitions. [2022-01-19 00:59:07,364 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 207.0) internal successors, (1242), 6 states have internal predecessors, (1242), 0 states have call successors, (0), 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 00:59:07,365 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 230.0) internal successors, (1610), 7 states have internal predecessors, (1610), 0 states have call successors, (0), 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 00:59:07,365 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 230.0) internal successors, (1610), 7 states have internal predecessors, (1610), 0 states have call successors, (0), 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 00:59:07,366 INFO L186 Difference]: Start difference. First operand has 272 places, 223 transitions, 709 flow. Second operand 6 states and 1242 transitions. [2022-01-19 00:59:07,366 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 242 transitions, 821 flow [2022-01-19 00:59:07,372 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 251 places, 242 transitions, 783 flow, removed 9 selfloop flow, removed 14 redundant places. [2022-01-19 00:59:07,374 INFO L242 Difference]: Finished difference. Result has 254 places, 225 transitions, 697 flow [2022-01-19 00:59:07,374 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=230, PETRI_DIFFERENCE_MINUEND_FLOW=671, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=218, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=697, PETRI_PLACES=254, PETRI_TRANSITIONS=225} [2022-01-19 00:59:07,375 INFO L334 CegarLoopForPetriNet]: 210 programPoint places, 44 predicate places. [2022-01-19 00:59:07,375 INFO L470 AbstractCegarLoop]: Abstraction has has 254 places, 225 transitions, 697 flow [2022-01-19 00:59:07,375 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 203.6) internal successors, (1018), 5 states have internal predecessors, (1018), 0 states have call successors, (0), 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 00:59:07,375 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:59:07,375 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] [2022-01-19 00:59:07,376 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-01-19 00:59:07,376 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 00:59:07,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:59:07,376 INFO L85 PathProgramCache]: Analyzing trace with hash 658946078, now seen corresponding path program 2 times [2022-01-19 00:59:07,376 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:59:07,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746837739] [2022-01-19 00:59:07,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:59:07,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:59:07,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:59:07,425 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:59:07,425 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:59:07,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746837739] [2022-01-19 00:59:07,425 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746837739] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 00:59:07,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [877269994] [2022-01-19 00:59:07,425 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-19 00:59:07,425 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 00:59:07,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 00:59:07,427 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-19 00:59:07,454 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-19 00:59:07,531 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-19 00:59:07,532 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-19 00:59:07,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-19 00:59:07,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 00:59:07,845 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:59:07,846 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 00:59:08,070 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:59:08,071 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [877269994] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-19 00:59:08,071 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-19 00:59:08,071 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2022-01-19 00:59:08,071 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532582337] [2022-01-19 00:59:08,071 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-19 00:59:08,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-19 00:59:08,073 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:59:08,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-19 00:59:08,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-01-19 00:59:08,075 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 230 [2022-01-19 00:59:08,076 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 254 places, 225 transitions, 697 flow. Second operand has 9 states, 9 states have (on average 203.22222222222223) internal successors, (1829), 9 states have internal predecessors, (1829), 0 states have call successors, (0), 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 00:59:08,076 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:59:08,076 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 230 [2022-01-19 00:59:08,076 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:59:08,549 INFO L129 PetriNetUnfolder]: 191/3256 cut-off events. [2022-01-19 00:59:08,549 INFO L130 PetriNetUnfolder]: For 1154/1186 co-relation queries the response was YES. [2022-01-19 00:59:08,566 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4669 conditions, 3256 events. 191/3256 cut-off events. For 1154/1186 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 25567 event pairs, 41 based on Foata normal form. 9/3067 useless extension candidates. Maximal degree in co-relation 4637. Up to 80 conditions per place. [2022-01-19 00:59:08,575 INFO L132 encePairwiseOnDemand]: 222/230 looper letters, 51 selfloop transitions, 31 changer transitions 1/290 dead transitions. [2022-01-19 00:59:08,575 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 266 places, 290 transitions, 1077 flow [2022-01-19 00:59:08,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-19 00:59:08,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2022-01-19 00:59:08,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2890 transitions. [2022-01-19 00:59:08,578 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8975155279503105 [2022-01-19 00:59:08,579 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2890 transitions. [2022-01-19 00:59:08,579 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2890 transitions. [2022-01-19 00:59:08,579 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:59:08,579 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2890 transitions. [2022-01-19 00:59:08,583 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 206.42857142857142) internal successors, (2890), 14 states have internal predecessors, (2890), 0 states have call successors, (0), 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 00:59:08,586 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 230.0) internal successors, (3450), 15 states have internal predecessors, (3450), 0 states have call successors, (0), 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 00:59:08,586 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 230.0) internal successors, (3450), 15 states have internal predecessors, (3450), 0 states have call successors, (0), 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 00:59:08,586 INFO L186 Difference]: Start difference. First operand has 254 places, 225 transitions, 697 flow. Second operand 14 states and 2890 transitions. [2022-01-19 00:59:08,586 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 266 places, 290 transitions, 1077 flow [2022-01-19 00:59:08,594 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 263 places, 290 transitions, 1050 flow, removed 5 selfloop flow, removed 3 redundant places. [2022-01-19 00:59:08,597 INFO L242 Difference]: Finished difference. Result has 270 places, 257 transitions, 909 flow [2022-01-19 00:59:08,597 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=230, PETRI_DIFFERENCE_MINUEND_FLOW=689, PETRI_DIFFERENCE_MINUEND_PLACES=250, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=225, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=909, PETRI_PLACES=270, PETRI_TRANSITIONS=257} [2022-01-19 00:59:08,597 INFO L334 CegarLoopForPetriNet]: 210 programPoint places, 60 predicate places. [2022-01-19 00:59:08,597 INFO L470 AbstractCegarLoop]: Abstraction has has 270 places, 257 transitions, 909 flow [2022-01-19 00:59:08,598 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 203.22222222222223) internal successors, (1829), 9 states have internal predecessors, (1829), 0 states have call successors, (0), 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 00:59:08,598 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:59:08,598 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] [2022-01-19 00:59:08,623 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-01-19 00:59:08,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 00:59:08,820 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 00:59:08,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:59:08,821 INFO L85 PathProgramCache]: Analyzing trace with hash -603143444, now seen corresponding path program 3 times [2022-01-19 00:59:08,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:59:08,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922180545] [2022-01-19 00:59:08,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:59:08,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:59:08,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:59:08,878 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:59:08,878 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:59:08,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922180545] [2022-01-19 00:59:08,878 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922180545] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:59:08,878 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:59:08,878 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-19 00:59:08,878 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432421092] [2022-01-19 00:59:08,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:59:08,879 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-19 00:59:08,879 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:59:08,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-19 00:59:08,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-19 00:59:08,880 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 230 [2022-01-19 00:59:08,881 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 270 places, 257 transitions, 909 flow. Second operand has 5 states, 5 states have (on average 203.6) internal successors, (1018), 5 states have internal predecessors, (1018), 0 states have call successors, (0), 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 00:59:08,881 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:59:08,881 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 230 [2022-01-19 00:59:08,881 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:59:09,347 INFO L129 PetriNetUnfolder]: 232/3508 cut-off events. [2022-01-19 00:59:09,348 INFO L130 PetriNetUnfolder]: For 1914/1953 co-relation queries the response was YES. [2022-01-19 00:59:09,370 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5513 conditions, 3508 events. 232/3508 cut-off events. For 1914/1953 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 28024 event pairs, 81 based on Foata normal form. 8/3291 useless extension candidates. Maximal degree in co-relation 5475. Up to 199 conditions per place. [2022-01-19 00:59:09,377 INFO L132 encePairwiseOnDemand]: 222/230 looper letters, 61 selfloop transitions, 18 changer transitions 6/292 dead transitions. [2022-01-19 00:59:09,377 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 275 places, 292 transitions, 1267 flow [2022-01-19 00:59:09,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-19 00:59:09,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-01-19 00:59:09,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1257 transitions. [2022-01-19 00:59:09,379 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9108695652173913 [2022-01-19 00:59:09,379 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1257 transitions. [2022-01-19 00:59:09,379 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1257 transitions. [2022-01-19 00:59:09,379 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:59:09,380 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1257 transitions. [2022-01-19 00:59:09,381 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 209.5) internal successors, (1257), 6 states have internal predecessors, (1257), 0 states have call successors, (0), 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 00:59:09,383 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 230.0) internal successors, (1610), 7 states have internal predecessors, (1610), 0 states have call successors, (0), 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 00:59:09,383 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 230.0) internal successors, (1610), 7 states have internal predecessors, (1610), 0 states have call successors, (0), 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 00:59:09,383 INFO L186 Difference]: Start difference. First operand has 270 places, 257 transitions, 909 flow. Second operand 6 states and 1257 transitions. [2022-01-19 00:59:09,383 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 275 places, 292 transitions, 1267 flow [2022-01-19 00:59:09,393 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 292 transitions, 1265 flow, removed 1 selfloop flow, removed 0 redundant places. [2022-01-19 00:59:09,396 INFO L242 Difference]: Finished difference. Result has 277 places, 265 transitions, 1024 flow [2022-01-19 00:59:09,397 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=230, PETRI_DIFFERENCE_MINUEND_FLOW=907, PETRI_DIFFERENCE_MINUEND_PLACES=270, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=257, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1024, PETRI_PLACES=277, PETRI_TRANSITIONS=265} [2022-01-19 00:59:09,397 INFO L334 CegarLoopForPetriNet]: 210 programPoint places, 67 predicate places. [2022-01-19 00:59:09,397 INFO L470 AbstractCegarLoop]: Abstraction has has 277 places, 265 transitions, 1024 flow [2022-01-19 00:59:09,397 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 203.6) internal successors, (1018), 5 states have internal predecessors, (1018), 0 states have call successors, (0), 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 00:59:09,397 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:59:09,398 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] [2022-01-19 00:59:09,398 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-01-19 00:59:09,398 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 00:59:09,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:59:09,398 INFO L85 PathProgramCache]: Analyzing trace with hash -417482268, now seen corresponding path program 1 times [2022-01-19 00:59:09,398 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:59:09,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156550418] [2022-01-19 00:59:09,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:59:09,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:59:09,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:59:09,462 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:59:09,463 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:59:09,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156550418] [2022-01-19 00:59:09,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156550418] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:59:09,463 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:59:09,463 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-19 00:59:09,463 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678484379] [2022-01-19 00:59:09,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:59:09,464 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-19 00:59:09,464 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:59:09,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-19 00:59:09,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-19 00:59:09,466 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 230 [2022-01-19 00:59:09,466 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 277 places, 265 transitions, 1024 flow. Second operand has 5 states, 5 states have (on average 203.6) internal successors, (1018), 5 states have internal predecessors, (1018), 0 states have call successors, (0), 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 00:59:09,467 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:59:09,467 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 230 [2022-01-19 00:59:09,467 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:59:09,961 INFO L129 PetriNetUnfolder]: 219/3384 cut-off events. [2022-01-19 00:59:09,961 INFO L130 PetriNetUnfolder]: For 2113/2153 co-relation queries the response was YES. [2022-01-19 00:59:09,978 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5407 conditions, 3384 events. 219/3384 cut-off events. For 2113/2153 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 26470 event pairs, 84 based on Foata normal form. 6/3171 useless extension candidates. Maximal degree in co-relation 5366. Up to 185 conditions per place. [2022-01-19 00:59:09,984 INFO L132 encePairwiseOnDemand]: 222/230 looper letters, 69 selfloop transitions, 26 changer transitions 3/305 dead transitions. [2022-01-19 00:59:09,984 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 305 transitions, 1449 flow [2022-01-19 00:59:09,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-19 00:59:09,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-01-19 00:59:09,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1255 transitions. [2022-01-19 00:59:09,986 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9094202898550725 [2022-01-19 00:59:09,986 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1255 transitions. [2022-01-19 00:59:09,986 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1255 transitions. [2022-01-19 00:59:09,986 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:59:09,986 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1255 transitions. [2022-01-19 00:59:09,988 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 209.16666666666666) internal successors, (1255), 6 states have internal predecessors, (1255), 0 states have call successors, (0), 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 00:59:09,989 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 230.0) internal successors, (1610), 7 states have internal predecessors, (1610), 0 states have call successors, (0), 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 00:59:09,990 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 230.0) internal successors, (1610), 7 states have internal predecessors, (1610), 0 states have call successors, (0), 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 00:59:09,990 INFO L186 Difference]: Start difference. First operand has 277 places, 265 transitions, 1024 flow. Second operand 6 states and 1255 transitions. [2022-01-19 00:59:09,990 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 305 transitions, 1449 flow [2022-01-19 00:59:09,999 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 305 transitions, 1432 flow, removed 2 selfloop flow, removed 1 redundant places. [2022-01-19 00:59:10,003 INFO L242 Difference]: Finished difference. Result has 284 places, 273 transitions, 1176 flow [2022-01-19 00:59:10,003 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=230, PETRI_DIFFERENCE_MINUEND_FLOW=1012, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=265, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1176, PETRI_PLACES=284, PETRI_TRANSITIONS=273} [2022-01-19 00:59:10,003 INFO L334 CegarLoopForPetriNet]: 210 programPoint places, 74 predicate places. [2022-01-19 00:59:10,004 INFO L470 AbstractCegarLoop]: Abstraction has has 284 places, 273 transitions, 1176 flow [2022-01-19 00:59:10,004 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 203.6) internal successors, (1018), 5 states have internal predecessors, (1018), 0 states have call successors, (0), 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 00:59:10,004 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:59:10,004 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] [2022-01-19 00:59:10,004 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-01-19 00:59:10,004 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 00:59:10,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:59:10,005 INFO L85 PathProgramCache]: Analyzing trace with hash -2007793182, now seen corresponding path program 2 times [2022-01-19 00:59:10,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:59:10,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258098033] [2022-01-19 00:59:10,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:59:10,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:59:10,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:59:10,064 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:59:10,065 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:59:10,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258098033] [2022-01-19 00:59:10,065 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258098033] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 00:59:10,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [800182230] [2022-01-19 00:59:10,065 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-19 00:59:10,065 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 00:59:10,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 00:59:10,068 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-19 00:59:10,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-19 00:59:10,173 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-19 00:59:10,173 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-19 00:59:10,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-19 00:59:10,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 00:59:10,442 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:59:10,442 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 00:59:10,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:59:10,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [800182230] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-19 00:59:10,637 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-19 00:59:10,637 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2022-01-19 00:59:10,637 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084196465] [2022-01-19 00:59:10,637 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-19 00:59:10,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-19 00:59:10,638 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:59:10,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-19 00:59:10,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-01-19 00:59:10,639 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 230 [2022-01-19 00:59:10,640 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 273 transitions, 1176 flow. Second operand has 9 states, 9 states have (on average 203.22222222222223) internal successors, (1829), 9 states have internal predecessors, (1829), 0 states have call successors, (0), 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 00:59:10,641 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:59:10,641 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 230 [2022-01-19 00:59:10,641 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:59:11,272 INFO L129 PetriNetUnfolder]: 242/3882 cut-off events. [2022-01-19 00:59:11,272 INFO L130 PetriNetUnfolder]: For 2697/2728 co-relation queries the response was YES. [2022-01-19 00:59:11,295 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6298 conditions, 3882 events. 242/3882 cut-off events. For 2697/2728 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 32472 event pairs, 51 based on Foata normal form. 8/3644 useless extension candidates. Maximal degree in co-relation 6254. Up to 92 conditions per place. [2022-01-19 00:59:11,302 INFO L132 encePairwiseOnDemand]: 222/230 looper letters, 65 selfloop transitions, 71 changer transitions 4/347 dead transitions. [2022-01-19 00:59:11,302 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 347 transitions, 1939 flow [2022-01-19 00:59:11,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-19 00:59:11,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2022-01-19 00:59:11,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2887 transitions. [2022-01-19 00:59:11,306 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.896583850931677 [2022-01-19 00:59:11,306 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2887 transitions. [2022-01-19 00:59:11,306 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2887 transitions. [2022-01-19 00:59:11,307 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:59:11,307 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2887 transitions. [2022-01-19 00:59:11,310 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 206.21428571428572) internal successors, (2887), 14 states have internal predecessors, (2887), 0 states have call successors, (0), 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 00:59:11,313 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 230.0) internal successors, (3450), 15 states have internal predecessors, (3450), 0 states have call successors, (0), 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 00:59:11,314 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 230.0) internal successors, (3450), 15 states have internal predecessors, (3450), 0 states have call successors, (0), 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 00:59:11,314 INFO L186 Difference]: Start difference. First operand has 284 places, 273 transitions, 1176 flow. Second operand 14 states and 2887 transitions. [2022-01-19 00:59:11,314 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 347 transitions, 1939 flow [2022-01-19 00:59:11,327 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 347 transitions, 1909 flow, removed 15 selfloop flow, removed 0 redundant places. [2022-01-19 00:59:11,331 INFO L242 Difference]: Finished difference. Result has 304 places, 311 transitions, 1712 flow [2022-01-19 00:59:11,332 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=230, PETRI_DIFFERENCE_MINUEND_FLOW=1158, PETRI_DIFFERENCE_MINUEND_PLACES=284, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=273, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=231, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1712, PETRI_PLACES=304, PETRI_TRANSITIONS=311} [2022-01-19 00:59:11,332 INFO L334 CegarLoopForPetriNet]: 210 programPoint places, 94 predicate places. [2022-01-19 00:59:11,332 INFO L470 AbstractCegarLoop]: Abstraction has has 304 places, 311 transitions, 1712 flow [2022-01-19 00:59:11,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 203.22222222222223) internal successors, (1829), 9 states have internal predecessors, (1829), 0 states have call successors, (0), 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 00:59:11,332 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:59:11,333 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] [2022-01-19 00:59:11,357 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-01-19 00:59:11,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-01-19 00:59:11,548 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 00:59:11,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:59:11,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1210834426, now seen corresponding path program 3 times [2022-01-19 00:59:11,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:59:11,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411620807] [2022-01-19 00:59:11,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:59:11,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:59:11,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:59:11,602 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:59:11,602 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:59:11,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411620807] [2022-01-19 00:59:11,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411620807] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 00:59:11,602 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 00:59:11,602 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-19 00:59:11,602 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884416274] [2022-01-19 00:59:11,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 00:59:11,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-19 00:59:11,603 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:59:11,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-19 00:59:11,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-01-19 00:59:11,604 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 230 [2022-01-19 00:59:11,605 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 311 transitions, 1712 flow. Second operand has 5 states, 5 states have (on average 203.6) internal successors, (1018), 5 states have internal predecessors, (1018), 0 states have call successors, (0), 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 00:59:11,605 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:59:11,605 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 230 [2022-01-19 00:59:11,605 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:59:12,112 INFO L129 PetriNetUnfolder]: 220/3486 cut-off events. [2022-01-19 00:59:12,112 INFO L130 PetriNetUnfolder]: For 3145/3165 co-relation queries the response was YES. [2022-01-19 00:59:12,135 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5963 conditions, 3486 events. 220/3486 cut-off events. For 3145/3165 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 28166 event pairs, 80 based on Foata normal form. 5/3265 useless extension candidates. Maximal degree in co-relation 5911. Up to 202 conditions per place. [2022-01-19 00:59:12,143 INFO L132 encePairwiseOnDemand]: 222/230 looper letters, 85 selfloop transitions, 29 changer transitions 1/322 dead transitions. [2022-01-19 00:59:12,143 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 308 places, 322 transitions, 1983 flow [2022-01-19 00:59:12,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-19 00:59:12,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-01-19 00:59:12,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1046 transitions. [2022-01-19 00:59:12,145 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9095652173913044 [2022-01-19 00:59:12,145 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1046 transitions. [2022-01-19 00:59:12,145 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1046 transitions. [2022-01-19 00:59:12,145 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:59:12,145 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1046 transitions. [2022-01-19 00:59:12,147 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 209.2) internal successors, (1046), 5 states have internal predecessors, (1046), 0 states have call successors, (0), 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 00:59:12,148 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 230.0) internal successors, (1380), 6 states have internal predecessors, (1380), 0 states have call successors, (0), 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 00:59:12,148 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 230.0) internal successors, (1380), 6 states have internal predecessors, (1380), 0 states have call successors, (0), 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 00:59:12,148 INFO L186 Difference]: Start difference. First operand has 304 places, 311 transitions, 1712 flow. Second operand 5 states and 1046 transitions. [2022-01-19 00:59:12,148 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 308 places, 322 transitions, 1983 flow [2022-01-19 00:59:12,165 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 322 transitions, 1846 flow, removed 33 selfloop flow, removed 4 redundant places. [2022-01-19 00:59:12,169 INFO L242 Difference]: Finished difference. Result has 305 places, 309 transitions, 1622 flow [2022-01-19 00:59:12,169 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=230, PETRI_DIFFERENCE_MINUEND_FLOW=1538, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=308, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1622, PETRI_PLACES=305, PETRI_TRANSITIONS=309} [2022-01-19 00:59:12,169 INFO L334 CegarLoopForPetriNet]: 210 programPoint places, 95 predicate places. [2022-01-19 00:59:12,169 INFO L470 AbstractCegarLoop]: Abstraction has has 305 places, 309 transitions, 1622 flow [2022-01-19 00:59:12,170 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 203.6) internal successors, (1018), 5 states have internal predecessors, (1018), 0 states have call successors, (0), 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 00:59:12,170 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:59:12,170 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] [2022-01-19 00:59:12,170 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-01-19 00:59:12,170 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 00:59:12,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:59:12,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1391662808, now seen corresponding path program 4 times [2022-01-19 00:59:12,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:59:12,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103041045] [2022-01-19 00:59:12,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:59:12,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:59:12,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:59:12,224 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:59:12,224 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:59:12,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103041045] [2022-01-19 00:59:12,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103041045] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 00:59:12,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [552883936] [2022-01-19 00:59:12,225 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-01-19 00:59:12,225 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 00:59:12,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 00:59:12,226 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-19 00:59:12,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-19 00:59:12,307 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-01-19 00:59:12,307 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-19 00:59:12,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-19 00:59:12,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 00:59:12,666 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:59:12,667 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 00:59:12,888 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:59:12,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [552883936] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-19 00:59:12,889 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-19 00:59:12,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2022-01-19 00:59:12,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407873007] [2022-01-19 00:59:12,889 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-19 00:59:12,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-19 00:59:12,890 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:59:12,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-19 00:59:12,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-01-19 00:59:12,892 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 230 [2022-01-19 00:59:12,893 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 309 transitions, 1622 flow. Second operand has 11 states, 11 states have (on average 203.36363636363637) internal successors, (2237), 11 states have internal predecessors, (2237), 0 states have call successors, (0), 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 00:59:12,893 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:59:12,893 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 230 [2022-01-19 00:59:12,893 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:59:13,332 INFO L129 PetriNetUnfolder]: 223/3871 cut-off events. [2022-01-19 00:59:13,332 INFO L130 PetriNetUnfolder]: For 2999/3019 co-relation queries the response was YES. [2022-01-19 00:59:13,356 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6409 conditions, 3871 events. 223/3871 cut-off events. For 2999/3019 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 32142 event pairs, 71 based on Foata normal form. 5/3633 useless extension candidates. Maximal degree in co-relation 6358. Up to 154 conditions per place. [2022-01-19 00:59:13,365 INFO L132 encePairwiseOnDemand]: 222/230 looper letters, 76 selfloop transitions, 57 changer transitions 1/341 dead transitions. [2022-01-19 00:59:13,365 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 341 transitions, 2090 flow [2022-01-19 00:59:13,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-19 00:59:13,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-01-19 00:59:13,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1865 transitions. [2022-01-19 00:59:13,367 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9009661835748792 [2022-01-19 00:59:13,367 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1865 transitions. [2022-01-19 00:59:13,367 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1865 transitions. [2022-01-19 00:59:13,368 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:59:13,368 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1865 transitions. [2022-01-19 00:59:13,370 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 207.22222222222223) internal successors, (1865), 9 states have internal predecessors, (1865), 0 states have call successors, (0), 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 00:59:13,372 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 230.0) internal successors, (2300), 10 states have internal predecessors, (2300), 0 states have call successors, (0), 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 00:59:13,372 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 230.0) internal successors, (2300), 10 states have internal predecessors, (2300), 0 states have call successors, (0), 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 00:59:13,372 INFO L186 Difference]: Start difference. First operand has 305 places, 309 transitions, 1622 flow. Second operand 9 states and 1865 transitions. [2022-01-19 00:59:13,372 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 341 transitions, 2090 flow [2022-01-19 00:59:13,389 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 308 places, 341 transitions, 2012 flow, removed 11 selfloop flow, removed 4 redundant places. [2022-01-19 00:59:13,393 INFO L242 Difference]: Finished difference. Result has 312 places, 321 transitions, 1853 flow [2022-01-19 00:59:13,393 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=230, PETRI_DIFFERENCE_MINUEND_FLOW=1552, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=309, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=257, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1853, PETRI_PLACES=312, PETRI_TRANSITIONS=321} [2022-01-19 00:59:13,394 INFO L334 CegarLoopForPetriNet]: 210 programPoint places, 102 predicate places. [2022-01-19 00:59:13,394 INFO L470 AbstractCegarLoop]: Abstraction has has 312 places, 321 transitions, 1853 flow [2022-01-19 00:59:13,394 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 203.36363636363637) internal successors, (2237), 11 states have internal predecessors, (2237), 0 states have call successors, (0), 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 00:59:13,394 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:59:13,394 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] [2022-01-19 00:59:13,416 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-01-19 00:59:13,616 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 00:59:13,616 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 00:59:13,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:59:13,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1061911468, now seen corresponding path program 4 times [2022-01-19 00:59:13,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:59:13,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463634442] [2022-01-19 00:59:13,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:59:13,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:59:13,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:59:13,669 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:59:13,669 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:59:13,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463634442] [2022-01-19 00:59:13,669 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463634442] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 00:59:13,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [265940236] [2022-01-19 00:59:13,669 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-01-19 00:59:13,670 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 00:59:13,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 00:59:13,671 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-19 00:59:13,699 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-01-19 00:59:13,756 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-01-19 00:59:13,756 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-19 00:59:13,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-19 00:59:13,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 00:59:14,101 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:59:14,101 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 00:59:14,340 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:59:14,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [265940236] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-19 00:59:14,341 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-19 00:59:14,341 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2022-01-19 00:59:14,341 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410041723] [2022-01-19 00:59:14,341 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-19 00:59:14,341 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-19 00:59:14,341 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:59:14,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-19 00:59:14,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-01-19 00:59:14,343 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 230 [2022-01-19 00:59:14,344 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 321 transitions, 1853 flow. Second operand has 11 states, 11 states have (on average 203.45454545454547) internal successors, (2238), 11 states have internal predecessors, (2238), 0 states have call successors, (0), 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 00:59:14,344 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:59:14,345 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 230 [2022-01-19 00:59:14,345 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:59:14,971 INFO L129 PetriNetUnfolder]: 291/4931 cut-off events. [2022-01-19 00:59:14,971 INFO L130 PetriNetUnfolder]: For 4071/4108 co-relation queries the response was YES. [2022-01-19 00:59:15,000 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8165 conditions, 4931 events. 291/4931 cut-off events. For 4071/4108 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 45251 event pairs, 69 based on Foata normal form. 7/4620 useless extension candidates. Maximal degree in co-relation 8111. Up to 134 conditions per place. [2022-01-19 00:59:15,008 INFO L132 encePairwiseOnDemand]: 222/230 looper letters, 85 selfloop transitions, 81 changer transitions 0/373 dead transitions. [2022-01-19 00:59:15,009 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 324 places, 373 transitions, 2490 flow [2022-01-19 00:59:15,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-19 00:59:15,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-01-19 00:59:15,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2688 transitions. [2022-01-19 00:59:15,012 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8989966555183947 [2022-01-19 00:59:15,013 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2688 transitions. [2022-01-19 00:59:15,013 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2688 transitions. [2022-01-19 00:59:15,013 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:59:15,013 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2688 transitions. [2022-01-19 00:59:15,016 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 206.76923076923077) internal successors, (2688), 13 states have internal predecessors, (2688), 0 states have call successors, (0), 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 00:59:15,019 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 230.0) internal successors, (3220), 14 states have internal predecessors, (3220), 0 states have call successors, (0), 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 00:59:15,019 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 230.0) internal successors, (3220), 14 states have internal predecessors, (3220), 0 states have call successors, (0), 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 00:59:15,019 INFO L186 Difference]: Start difference. First operand has 312 places, 321 transitions, 1853 flow. Second operand 13 states and 2688 transitions. [2022-01-19 00:59:15,019 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 324 places, 373 transitions, 2490 flow [2022-01-19 00:59:15,041 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 373 transitions, 2302 flow, removed 39 selfloop flow, removed 8 redundant places. [2022-01-19 00:59:15,045 INFO L242 Difference]: Finished difference. Result has 320 places, 341 transitions, 2109 flow [2022-01-19 00:59:15,046 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=230, PETRI_DIFFERENCE_MINUEND_FLOW=1689, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=321, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=254, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2109, PETRI_PLACES=320, PETRI_TRANSITIONS=341} [2022-01-19 00:59:15,046 INFO L334 CegarLoopForPetriNet]: 210 programPoint places, 110 predicate places. [2022-01-19 00:59:15,046 INFO L470 AbstractCegarLoop]: Abstraction has has 320 places, 341 transitions, 2109 flow [2022-01-19 00:59:15,047 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 203.45454545454547) internal successors, (2238), 11 states have internal predecessors, (2238), 0 states have call successors, (0), 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 00:59:15,047 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:59:15,047 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] [2022-01-19 00:59:15,068 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-01-19 00:59:15,263 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 00:59:15,263 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 00:59:15,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:59:15,264 INFO L85 PathProgramCache]: Analyzing trace with hash -753398586, now seen corresponding path program 5 times [2022-01-19 00:59:15,264 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:59:15,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633430768] [2022-01-19 00:59:15,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:59:15,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:59:15,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:59:15,316 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:59:15,317 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:59:15,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633430768] [2022-01-19 00:59:15,317 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633430768] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 00:59:15,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1729752130] [2022-01-19 00:59:15,317 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-01-19 00:59:15,317 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 00:59:15,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 00:59:15,318 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-19 00:59:15,320 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-01-19 00:59:15,398 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-19 00:59:15,398 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-19 00:59:15,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-19 00:59:15,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 00:59:15,743 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:59:15,743 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 00:59:15,946 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:59:15,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1729752130] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-19 00:59:15,946 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-19 00:59:15,946 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2022-01-19 00:59:15,947 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457462122] [2022-01-19 00:59:15,947 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-19 00:59:15,947 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-19 00:59:15,947 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:59:15,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-19 00:59:15,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-01-19 00:59:15,949 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 230 [2022-01-19 00:59:15,950 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 320 places, 341 transitions, 2109 flow. Second operand has 11 states, 11 states have (on average 203.36363636363637) internal successors, (2237), 11 states have internal predecessors, (2237), 0 states have call successors, (0), 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 00:59:15,950 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:59:15,950 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 230 [2022-01-19 00:59:15,950 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:59:16,570 INFO L129 PetriNetUnfolder]: 272/5111 cut-off events. [2022-01-19 00:59:16,571 INFO L130 PetriNetUnfolder]: For 4323/4365 co-relation queries the response was YES. [2022-01-19 00:59:16,597 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8384 conditions, 5111 events. 272/5111 cut-off events. For 4323/4365 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 47965 event pairs, 99 based on Foata normal form. 8/4782 useless extension candidates. Maximal degree in co-relation 8333. Up to 157 conditions per place. [2022-01-19 00:59:16,606 INFO L132 encePairwiseOnDemand]: 222/230 looper letters, 81 selfloop transitions, 86 changer transitions 5/371 dead transitions. [2022-01-19 00:59:16,606 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 330 places, 371 transitions, 2592 flow [2022-01-19 00:59:16,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-19 00:59:16,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-01-19 00:59:16,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2684 transitions. [2022-01-19 00:59:16,609 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8976588628762542 [2022-01-19 00:59:16,609 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2684 transitions. [2022-01-19 00:59:16,609 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2684 transitions. [2022-01-19 00:59:16,610 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:59:16,610 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2684 transitions. [2022-01-19 00:59:16,613 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 206.46153846153845) internal successors, (2684), 13 states have internal predecessors, (2684), 0 states have call successors, (0), 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 00:59:16,615 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 230.0) internal successors, (3220), 14 states have internal predecessors, (3220), 0 states have call successors, (0), 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 00:59:16,616 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 230.0) internal successors, (3220), 14 states have internal predecessors, (3220), 0 states have call successors, (0), 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 00:59:16,616 INFO L186 Difference]: Start difference. First operand has 320 places, 341 transitions, 2109 flow. Second operand 13 states and 2684 transitions. [2022-01-19 00:59:16,616 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 330 places, 371 transitions, 2592 flow [2022-01-19 00:59:16,636 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 325 places, 371 transitions, 2558 flow, removed 3 selfloop flow, removed 5 redundant places. [2022-01-19 00:59:16,641 INFO L242 Difference]: Finished difference. Result has 326 places, 339 transitions, 2251 flow [2022-01-19 00:59:16,641 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=230, PETRI_DIFFERENCE_MINUEND_FLOW=1949, PETRI_DIFFERENCE_MINUEND_PLACES=313, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=331, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=73, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=257, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2251, PETRI_PLACES=326, PETRI_TRANSITIONS=339} [2022-01-19 00:59:16,642 INFO L334 CegarLoopForPetriNet]: 210 programPoint places, 116 predicate places. [2022-01-19 00:59:16,642 INFO L470 AbstractCegarLoop]: Abstraction has has 326 places, 339 transitions, 2251 flow [2022-01-19 00:59:16,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 203.36363636363637) internal successors, (2237), 11 states have internal predecessors, (2237), 0 states have call successors, (0), 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 00:59:16,642 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:59:16,642 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] [2022-01-19 00:59:16,667 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-01-19 00:59:16,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-01-19 00:59:16,868 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 00:59:16,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:59:16,868 INFO L85 PathProgramCache]: Analyzing trace with hash -977035420, now seen corresponding path program 1 times [2022-01-19 00:59:16,868 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:59:16,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726837997] [2022-01-19 00:59:16,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:59:16,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:59:16,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:59:16,931 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:59:16,931 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:59:16,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726837997] [2022-01-19 00:59:16,931 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726837997] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 00:59:16,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1147782034] [2022-01-19 00:59:16,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:59:16,932 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 00:59:16,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 00:59:16,933 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-19 00:59:16,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-01-19 00:59:17,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:59:17,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-19 00:59:17,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 00:59:17,379 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:59:17,379 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 00:59:17,568 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:59:17,568 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1147782034] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-19 00:59:17,568 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-19 00:59:17,568 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2022-01-19 00:59:17,569 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242567710] [2022-01-19 00:59:17,569 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-19 00:59:17,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-19 00:59:17,569 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:59:17,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-19 00:59:17,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-01-19 00:59:17,571 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 230 [2022-01-19 00:59:17,572 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 326 places, 339 transitions, 2251 flow. Second operand has 11 states, 11 states have (on average 203.54545454545453) internal successors, (2239), 11 states have internal predecessors, (2239), 0 states have call successors, (0), 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 00:59:17,572 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:59:17,572 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 230 [2022-01-19 00:59:17,573 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:59:18,125 INFO L129 PetriNetUnfolder]: 259/4776 cut-off events. [2022-01-19 00:59:18,126 INFO L130 PetriNetUnfolder]: For 4567/4602 co-relation queries the response was YES. [2022-01-19 00:59:18,152 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7845 conditions, 4776 events. 259/4776 cut-off events. For 4567/4602 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 43724 event pairs, 73 based on Foata normal form. 6/4466 useless extension candidates. Maximal degree in co-relation 7794. Up to 204 conditions per place. [2022-01-19 00:59:18,160 INFO L132 encePairwiseOnDemand]: 222/230 looper letters, 92 selfloop transitions, 65 changer transitions 1/357 dead transitions. [2022-01-19 00:59:18,160 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 332 places, 357 transitions, 2642 flow [2022-01-19 00:59:18,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-19 00:59:18,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-01-19 00:59:18,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1865 transitions. [2022-01-19 00:59:18,162 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9009661835748792 [2022-01-19 00:59:18,162 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1865 transitions. [2022-01-19 00:59:18,162 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1865 transitions. [2022-01-19 00:59:18,162 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:59:18,162 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1865 transitions. [2022-01-19 00:59:18,164 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 207.22222222222223) internal successors, (1865), 9 states have internal predecessors, (1865), 0 states have call successors, (0), 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 00:59:18,165 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 230.0) internal successors, (2300), 10 states have internal predecessors, (2300), 0 states have call successors, (0), 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 00:59:18,165 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 230.0) internal successors, (2300), 10 states have internal predecessors, (2300), 0 states have call successors, (0), 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 00:59:18,165 INFO L186 Difference]: Start difference. First operand has 326 places, 339 transitions, 2251 flow. Second operand 9 states and 1865 transitions. [2022-01-19 00:59:18,165 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 332 places, 357 transitions, 2642 flow [2022-01-19 00:59:18,185 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 321 places, 357 transitions, 2497 flow, removed 8 selfloop flow, removed 11 redundant places. [2022-01-19 00:59:18,189 INFO L242 Difference]: Finished difference. Result has 322 places, 339 transitions, 2255 flow [2022-01-19 00:59:18,190 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=230, PETRI_DIFFERENCE_MINUEND_FLOW=2082, PETRI_DIFFERENCE_MINUEND_PLACES=313, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=337, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2255, PETRI_PLACES=322, PETRI_TRANSITIONS=339} [2022-01-19 00:59:18,190 INFO L334 CegarLoopForPetriNet]: 210 programPoint places, 112 predicate places. [2022-01-19 00:59:18,190 INFO L470 AbstractCegarLoop]: Abstraction has has 322 places, 339 transitions, 2255 flow [2022-01-19 00:59:18,190 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 203.54545454545453) internal successors, (2239), 11 states have internal predecessors, (2239), 0 states have call successors, (0), 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 00:59:18,191 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:59:18,191 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:59:18,215 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-01-19 00:59:18,415 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-01-19 00:59:18,415 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 00:59:18,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:59:18,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1494837026, now seen corresponding path program 1 times [2022-01-19 00:59:18,416 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:59:18,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146568875] [2022-01-19 00:59:18,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:59:18,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:59:18,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:59:18,620 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:59:18,620 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:59:18,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146568875] [2022-01-19 00:59:18,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146568875] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 00:59:18,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1216969747] [2022-01-19 00:59:18,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:59:18,621 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 00:59:18,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 00:59:18,624 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-19 00:59:18,652 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-01-19 00:59:18,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:59:18,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 21 conjunts are in the unsatisfiable core [2022-01-19 00:59:18,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 00:59:19,316 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:59:19,319 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 00:59:20,301 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:59:20,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1216969747] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-19 00:59:20,302 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-19 00:59:20,302 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 39 [2022-01-19 00:59:20,303 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847911706] [2022-01-19 00:59:20,303 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-19 00:59:20,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2022-01-19 00:59:20,304 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:59:20,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2022-01-19 00:59:20,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=1367, Unknown=0, NotChecked=0, Total=1482 [2022-01-19 00:59:20,308 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 230 [2022-01-19 00:59:20,312 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 339 transitions, 2255 flow. Second operand has 39 states, 39 states have (on average 165.53846153846155) internal successors, (6456), 39 states have internal predecessors, (6456), 0 states have call successors, (0), 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 00:59:20,312 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:59:20,312 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 230 [2022-01-19 00:59:20,312 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:59:30,275 INFO L129 PetriNetUnfolder]: 6459/38061 cut-off events. [2022-01-19 00:59:30,275 INFO L130 PetriNetUnfolder]: For 25612/25752 co-relation queries the response was YES. [2022-01-19 00:59:30,470 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67521 conditions, 38061 events. 6459/38061 cut-off events. For 25612/25752 co-relation queries the response was YES. Maximal size of possible extension queue 770. Compared 516780 event pairs, 960 based on Foata normal form. 36/36036 useless extension candidates. Maximal degree in co-relation 67476. Up to 5697 conditions per place. [2022-01-19 00:59:30,527 INFO L132 encePairwiseOnDemand]: 199/230 looper letters, 580 selfloop transitions, 228 changer transitions 9/1098 dead transitions. [2022-01-19 00:59:30,528 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 448 places, 1098 transitions, 5836 flow [2022-01-19 00:59:30,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2022-01-19 00:59:30,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2022-01-19 00:59:30,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 21840 transitions. [2022-01-19 00:59:30,546 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7360970677451971 [2022-01-19 00:59:30,546 INFO L72 ComplementDD]: Start complementDD. Operand 129 states and 21840 transitions. [2022-01-19 00:59:30,546 INFO L73 IsDeterministic]: Start isDeterministic. Operand 129 states and 21840 transitions. [2022-01-19 00:59:30,551 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:59:30,551 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 129 states and 21840 transitions. [2022-01-19 00:59:30,572 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 130 states, 129 states have (on average 169.30232558139534) internal successors, (21840), 129 states have internal predecessors, (21840), 0 states have call successors, (0), 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 00:59:30,595 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 130 states, 130 states have (on average 230.0) internal successors, (29900), 130 states have internal predecessors, (29900), 0 states have call successors, (0), 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 00:59:30,599 INFO L81 ComplementDD]: Finished complementDD. Result has 130 states, 130 states have (on average 230.0) internal successors, (29900), 130 states have internal predecessors, (29900), 0 states have call successors, (0), 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 00:59:30,599 INFO L186 Difference]: Start difference. First operand has 322 places, 339 transitions, 2255 flow. Second operand 129 states and 21840 transitions. [2022-01-19 00:59:30,599 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 448 places, 1098 transitions, 5836 flow [2022-01-19 00:59:30,853 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 437 places, 1098 transitions, 5640 flow, removed 13 selfloop flow, removed 11 redundant places. [2022-01-19 00:59:30,861 INFO L242 Difference]: Finished difference. Result has 525 places, 578 transitions, 3862 flow [2022-01-19 00:59:30,861 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=230, PETRI_DIFFERENCE_MINUEND_FLOW=2071, PETRI_DIFFERENCE_MINUEND_PLACES=309, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=339, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=129, PETRI_FLOW=3862, PETRI_PLACES=525, PETRI_TRANSITIONS=578} [2022-01-19 00:59:30,861 INFO L334 CegarLoopForPetriNet]: 210 programPoint places, 315 predicate places. [2022-01-19 00:59:30,862 INFO L470 AbstractCegarLoop]: Abstraction has has 525 places, 578 transitions, 3862 flow [2022-01-19 00:59:30,945 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 165.53846153846155) internal successors, (6456), 39 states have internal predecessors, (6456), 0 states have call successors, (0), 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 00:59:30,945 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:59:30,945 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:59:30,963 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-01-19 00:59:31,145 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 00:59:31,146 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 00:59:31,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:59:31,146 INFO L85 PathProgramCache]: Analyzing trace with hash -375783344, now seen corresponding path program 1 times [2022-01-19 00:59:31,146 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:59:31,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976152166] [2022-01-19 00:59:31,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:59:31,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:59:31,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:59:31,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:59:31,348 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:59:31,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976152166] [2022-01-19 00:59:31,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976152166] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 00:59:31,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [454010797] [2022-01-19 00:59:31,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:59:31,348 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 00:59:31,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 00:59:31,349 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-19 00:59:31,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-01-19 00:59:31,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:59:31,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 21 conjunts are in the unsatisfiable core [2022-01-19 00:59:31,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 00:59:31,938 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:59:31,938 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 00:59:32,743 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:59:32,743 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [454010797] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-19 00:59:32,743 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-19 00:59:32,743 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 40 [2022-01-19 00:59:32,744 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966007259] [2022-01-19 00:59:32,744 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-19 00:59:32,744 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2022-01-19 00:59:32,744 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:59:32,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2022-01-19 00:59:32,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=1440, Unknown=0, NotChecked=0, Total=1560 [2022-01-19 00:59:32,748 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 230 [2022-01-19 00:59:32,752 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 525 places, 578 transitions, 3862 flow. Second operand has 40 states, 40 states have (on average 165.55) internal successors, (6622), 40 states have internal predecessors, (6622), 0 states have call successors, (0), 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 00:59:32,752 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:59:32,752 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 230 [2022-01-19 00:59:32,752 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 00:59:47,195 INFO L129 PetriNetUnfolder]: 8719/51253 cut-off events. [2022-01-19 00:59:47,196 INFO L130 PetriNetUnfolder]: For 304230/305177 co-relation queries the response was YES. [2022-01-19 00:59:48,151 INFO L84 FinitePrefix]: Finished finitePrefix Result has 145236 conditions, 51253 events. 8719/51253 cut-off events. For 304230/305177 co-relation queries the response was YES. Maximal size of possible extension queue 1057. Compared 732770 event pairs, 1733 based on Foata normal form. 285/48574 useless extension candidates. Maximal degree in co-relation 145111. Up to 9176 conditions per place. [2022-01-19 00:59:48,276 INFO L132 encePairwiseOnDemand]: 201/230 looper letters, 607 selfloop transitions, 290 changer transitions 8/1186 dead transitions. [2022-01-19 00:59:48,276 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 593 places, 1186 transitions, 10485 flow [2022-01-19 00:59:48,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-01-19 00:59:48,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2022-01-19 00:59:48,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 11843 transitions. [2022-01-19 00:59:48,287 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7462507876496535 [2022-01-19 00:59:48,287 INFO L72 ComplementDD]: Start complementDD. Operand 69 states and 11843 transitions. [2022-01-19 00:59:48,287 INFO L73 IsDeterministic]: Start isDeterministic. Operand 69 states and 11843 transitions. [2022-01-19 00:59:48,290 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 00:59:48,290 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 69 states and 11843 transitions. [2022-01-19 00:59:48,303 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 70 states, 69 states have (on average 171.63768115942028) internal successors, (11843), 69 states have internal predecessors, (11843), 0 states have call successors, (0), 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 00:59:48,315 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 70 states, 70 states have (on average 230.0) internal successors, (16100), 70 states have internal predecessors, (16100), 0 states have call successors, (0), 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 00:59:48,316 INFO L81 ComplementDD]: Finished complementDD. Result has 70 states, 70 states have (on average 230.0) internal successors, (16100), 70 states have internal predecessors, (16100), 0 states have call successors, (0), 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 00:59:48,316 INFO L186 Difference]: Start difference. First operand has 525 places, 578 transitions, 3862 flow. Second operand 69 states and 11843 transitions. [2022-01-19 00:59:48,317 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 593 places, 1186 transitions, 10485 flow [2022-01-19 00:59:50,134 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 584 places, 1186 transitions, 10048 flow, removed 139 selfloop flow, removed 9 redundant places. [2022-01-19 00:59:50,145 INFO L242 Difference]: Finished difference. Result has 629 places, 782 transitions, 6608 flow [2022-01-19 00:59:50,145 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=230, PETRI_DIFFERENCE_MINUEND_FLOW=3615, PETRI_DIFFERENCE_MINUEND_PLACES=516, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=578, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=118, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=412, PETRI_DIFFERENCE_SUBTRAHEND_STATES=69, PETRI_FLOW=6608, PETRI_PLACES=629, PETRI_TRANSITIONS=782} [2022-01-19 00:59:50,146 INFO L334 CegarLoopForPetriNet]: 210 programPoint places, 419 predicate places. [2022-01-19 00:59:50,146 INFO L470 AbstractCegarLoop]: Abstraction has has 629 places, 782 transitions, 6608 flow [2022-01-19 00:59:50,147 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 165.55) internal successors, (6622), 40 states have internal predecessors, (6622), 0 states have call successors, (0), 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 00:59:50,147 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 00:59:50,147 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:59:50,162 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-01-19 00:59:50,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-01-19 00:59:50,352 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 00:59:50,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 00:59:50,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1734420654, now seen corresponding path program 2 times [2022-01-19 00:59:50,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 00:59:50,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243290726] [2022-01-19 00:59:50,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 00:59:50,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 00:59:50,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 00:59:50,577 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:59:50,577 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 00:59:50,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243290726] [2022-01-19 00:59:50,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243290726] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 00:59:50,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1911308631] [2022-01-19 00:59:50,578 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-19 00:59:50,578 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 00:59:50,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 00:59:50,580 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-19 00:59:50,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-01-19 00:59:50,672 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-19 00:59:50,672 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-19 00:59:50,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 21 conjunts are in the unsatisfiable core [2022-01-19 00:59:50,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 00:59:51,178 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:59:51,178 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 00:59:51,926 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 00:59:51,926 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1911308631] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-19 00:59:51,926 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-19 00:59:51,927 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 41 [2022-01-19 00:59:51,927 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074308915] [2022-01-19 00:59:51,927 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-19 00:59:51,927 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-01-19 00:59:51,927 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 00:59:51,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-01-19 00:59:51,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=1516, Unknown=0, NotChecked=0, Total=1640 [2022-01-19 00:59:51,931 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 230 [2022-01-19 00:59:51,935 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 629 places, 782 transitions, 6608 flow. Second operand has 41 states, 41 states have (on average 165.5121951219512) internal successors, (6786), 41 states have internal predecessors, (6786), 0 states have call successors, (0), 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 00:59:51,935 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 00:59:51,935 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 230 [2022-01-19 00:59:51,935 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 01:00:14,884 INFO L129 PetriNetUnfolder]: 11472/69941 cut-off events. [2022-01-19 01:00:14,885 INFO L130 PetriNetUnfolder]: For 575006/576768 co-relation queries the response was YES. [2022-01-19 01:00:16,739 INFO L84 FinitePrefix]: Finished finitePrefix Result has 215764 conditions, 69941 events. 11472/69941 cut-off events. For 575006/576768 co-relation queries the response was YES. Maximal size of possible extension queue 1429. Compared 1063397 event pairs, 2363 based on Foata normal form. 638/66477 useless extension candidates. Maximal degree in co-relation 215598. Up to 10423 conditions per place. [2022-01-19 01:00:16,918 INFO L132 encePairwiseOnDemand]: 203/230 looper letters, 868 selfloop transitions, 329 changer transitions 11/1489 dead transitions. [2022-01-19 01:00:16,918 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 702 places, 1489 transitions, 17221 flow [2022-01-19 01:00:16,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2022-01-19 01:00:16,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2022-01-19 01:00:16,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 12711 transitions. [2022-01-19 01:00:16,929 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7468272620446533 [2022-01-19 01:00:16,929 INFO L72 ComplementDD]: Start complementDD. Operand 74 states and 12711 transitions. [2022-01-19 01:00:16,930 INFO L73 IsDeterministic]: Start isDeterministic. Operand 74 states and 12711 transitions. [2022-01-19 01:00:16,931 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 01:00:16,932 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 74 states and 12711 transitions. [2022-01-19 01:00:16,941 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 75 states, 74 states have (on average 171.77027027027026) internal successors, (12711), 74 states have internal predecessors, (12711), 0 states have call successors, (0), 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 01:00:16,954 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 75 states, 75 states have (on average 230.0) internal successors, (17250), 75 states have internal predecessors, (17250), 0 states have call successors, (0), 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 01:00:16,955 INFO L81 ComplementDD]: Finished complementDD. Result has 75 states, 75 states have (on average 230.0) internal successors, (17250), 75 states have internal predecessors, (17250), 0 states have call successors, (0), 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 01:00:16,956 INFO L186 Difference]: Start difference. First operand has 629 places, 782 transitions, 6608 flow. Second operand 74 states and 12711 transitions. [2022-01-19 01:00:16,956 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 702 places, 1489 transitions, 17221 flow [2022-01-19 01:00:21,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 694 places, 1489 transitions, 15185 flow, removed 978 selfloop flow, removed 8 redundant places. [2022-01-19 01:00:21,934 INFO L242 Difference]: Finished difference. Result has 731 places, 1005 transitions, 9286 flow [2022-01-19 01:00:21,935 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=230, PETRI_DIFFERENCE_MINUEND_FLOW=5864, PETRI_DIFFERENCE_MINUEND_PLACES=621, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=782, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=143, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=598, PETRI_DIFFERENCE_SUBTRAHEND_STATES=74, PETRI_FLOW=9286, PETRI_PLACES=731, PETRI_TRANSITIONS=1005} [2022-01-19 01:00:21,936 INFO L334 CegarLoopForPetriNet]: 210 programPoint places, 521 predicate places. [2022-01-19 01:00:21,936 INFO L470 AbstractCegarLoop]: Abstraction has has 731 places, 1005 transitions, 9286 flow [2022-01-19 01:00:21,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 165.5121951219512) internal successors, (6786), 41 states have internal predecessors, (6786), 0 states have call successors, (0), 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 01:00:21,937 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:00:21,937 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:00:21,956 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-01-19 01:00:22,147 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 01:00:22,148 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 01:00:22,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:00:22,148 INFO L85 PathProgramCache]: Analyzing trace with hash 134580740, now seen corresponding path program 3 times [2022-01-19 01:00:22,148 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:00:22,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179466523] [2022-01-19 01:00:22,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:00:22,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:00:22,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:00:22,355 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:00:22,355 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:00:22,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179466523] [2022-01-19 01:00:22,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179466523] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 01:00:22,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1644550625] [2022-01-19 01:00:22,356 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-19 01:00:22,356 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 01:00:22,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 01:00:22,360 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-19 01:00:22,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-01-19 01:00:22,456 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-01-19 01:00:22,456 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-19 01:00:22,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 21 conjunts are in the unsatisfiable core [2022-01-19 01:00:22,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 01:00:22,960 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:00:22,960 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 01:00:23,732 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:00:23,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1644550625] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-19 01:00:23,733 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-19 01:00:23,733 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 40 [2022-01-19 01:00:23,733 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997077739] [2022-01-19 01:00:23,733 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-19 01:00:23,733 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2022-01-19 01:00:23,733 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:00:23,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2022-01-19 01:00:23,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=1440, Unknown=0, NotChecked=0, Total=1560 [2022-01-19 01:00:23,736 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 230 [2022-01-19 01:00:23,740 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 731 places, 1005 transitions, 9286 flow. Second operand has 40 states, 40 states have (on average 165.55) internal successors, (6622), 40 states have internal predecessors, (6622), 0 states have call successors, (0), 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 01:00:23,740 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:00:23,740 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 230 [2022-01-19 01:00:23,740 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 01:00:53,174 INFO L129 PetriNetUnfolder]: 13083/79912 cut-off events. [2022-01-19 01:00:53,174 INFO L130 PetriNetUnfolder]: For 619531/622107 co-relation queries the response was YES. [2022-01-19 01:00:56,427 INFO L84 FinitePrefix]: Finished finitePrefix Result has 247960 conditions, 79912 events. 13083/79912 cut-off events. For 619531/622107 co-relation queries the response was YES. Maximal size of possible extension queue 1716. Compared 1246062 event pairs, 2607 based on Foata normal form. 852/76109 useless extension candidates. Maximal degree in co-relation 247760. Up to 10809 conditions per place. [2022-01-19 01:00:56,627 INFO L132 encePairwiseOnDemand]: 203/230 looper letters, 869 selfloop transitions, 496 changer transitions 10/1656 dead transitions. [2022-01-19 01:00:56,627 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 805 places, 1656 transitions, 18232 flow [2022-01-19 01:00:56,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2022-01-19 01:00:56,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2022-01-19 01:00:56,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 12914 transitions. [2022-01-19 01:00:56,636 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7486376811594203 [2022-01-19 01:00:56,636 INFO L72 ComplementDD]: Start complementDD. Operand 75 states and 12914 transitions. [2022-01-19 01:00:56,636 INFO L73 IsDeterministic]: Start isDeterministic. Operand 75 states and 12914 transitions. [2022-01-19 01:00:56,638 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 01:00:56,638 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 75 states and 12914 transitions. [2022-01-19 01:00:56,647 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 76 states, 75 states have (on average 172.18666666666667) internal successors, (12914), 75 states have internal predecessors, (12914), 0 states have call successors, (0), 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 01:00:56,859 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 76 states, 76 states have (on average 230.0) internal successors, (17480), 76 states have internal predecessors, (17480), 0 states have call successors, (0), 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 01:00:56,860 INFO L81 ComplementDD]: Finished complementDD. Result has 76 states, 76 states have (on average 230.0) internal successors, (17480), 76 states have internal predecessors, (17480), 0 states have call successors, (0), 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 01:00:56,860 INFO L186 Difference]: Start difference. First operand has 731 places, 1005 transitions, 9286 flow. Second operand 75 states and 12914 transitions. [2022-01-19 01:00:56,860 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 805 places, 1656 transitions, 18232 flow [2022-01-19 01:01:04,579 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 793 places, 1656 transitions, 16283 flow, removed 805 selfloop flow, removed 12 redundant places. [2022-01-19 01:01:04,595 INFO L242 Difference]: Finished difference. Result has 822 places, 1184 transitions, 11387 flow [2022-01-19 01:01:04,595 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=230, PETRI_DIFFERENCE_MINUEND_FLOW=8116, PETRI_DIFFERENCE_MINUEND_PLACES=719, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1005, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=328, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=646, PETRI_DIFFERENCE_SUBTRAHEND_STATES=75, PETRI_FLOW=11387, PETRI_PLACES=822, PETRI_TRANSITIONS=1184} [2022-01-19 01:01:04,596 INFO L334 CegarLoopForPetriNet]: 210 programPoint places, 612 predicate places. [2022-01-19 01:01:04,596 INFO L470 AbstractCegarLoop]: Abstraction has has 822 places, 1184 transitions, 11387 flow [2022-01-19 01:01:04,596 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 165.55) internal successors, (6622), 40 states have internal predecessors, (6622), 0 states have call successors, (0), 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 01:01:04,597 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:01:04,597 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:01:04,612 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-01-19 01:01:04,797 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2022-01-19 01:01:04,798 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 01:01:04,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:01:04,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1535102482, now seen corresponding path program 4 times [2022-01-19 01:01:04,798 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:01:04,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64836026] [2022-01-19 01:01:04,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:01:04,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:01:04,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:01:05,008 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:01:05,009 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:01:05,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64836026] [2022-01-19 01:01:05,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64836026] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 01:01:05,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1192415327] [2022-01-19 01:01:05,009 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-01-19 01:01:05,009 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 01:01:05,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 01:01:05,012 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-19 01:01:05,014 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-01-19 01:01:05,085 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-01-19 01:01:05,086 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-19 01:01:05,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 21 conjunts are in the unsatisfiable core [2022-01-19 01:01:05,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 01:01:05,595 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:01:05,595 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 01:01:06,359 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:01:06,359 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1192415327] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-19 01:01:06,359 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-19 01:01:06,359 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 41 [2022-01-19 01:01:06,359 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544654577] [2022-01-19 01:01:06,359 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-19 01:01:06,360 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-01-19 01:01:06,360 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:01:06,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-01-19 01:01:06,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=1516, Unknown=0, NotChecked=0, Total=1640 [2022-01-19 01:01:06,363 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 230 [2022-01-19 01:01:06,366 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 822 places, 1184 transitions, 11387 flow. Second operand has 41 states, 41 states have (on average 165.5121951219512) internal successors, (6786), 41 states have internal predecessors, (6786), 0 states have call successors, (0), 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 01:01:06,366 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:01:06,366 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 230 [2022-01-19 01:01:06,366 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 01:01:42,939 INFO L129 PetriNetUnfolder]: 14800/91168 cut-off events. [2022-01-19 01:01:42,940 INFO L130 PetriNetUnfolder]: For 532465/535580 co-relation queries the response was YES. [2022-01-19 01:01:47,534 INFO L84 FinitePrefix]: Finished finitePrefix Result has 274247 conditions, 91168 events. 14800/91168 cut-off events. For 532465/535580 co-relation queries the response was YES. Maximal size of possible extension queue 2034. Compared 1457397 event pairs, 3184 based on Foata normal form. 1085/86907 useless extension candidates. Maximal degree in co-relation 274023. Up to 13479 conditions per place. [2022-01-19 01:01:47,946 INFO L132 encePairwiseOnDemand]: 203/230 looper letters, 1127 selfloop transitions, 520 changer transitions 13/1941 dead transitions. [2022-01-19 01:01:47,946 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 905 places, 1941 transitions, 22323 flow [2022-01-19 01:01:47,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2022-01-19 01:01:47,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2022-01-19 01:01:47,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 14452 transitions. [2022-01-19 01:01:47,954 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7480331262939959 [2022-01-19 01:01:47,954 INFO L72 ComplementDD]: Start complementDD. Operand 84 states and 14452 transitions. [2022-01-19 01:01:47,954 INFO L73 IsDeterministic]: Start isDeterministic. Operand 84 states and 14452 transitions. [2022-01-19 01:01:47,956 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 01:01:47,957 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 84 states and 14452 transitions. [2022-01-19 01:01:47,967 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 85 states, 84 states have (on average 172.04761904761904) internal successors, (14452), 84 states have internal predecessors, (14452), 0 states have call successors, (0), 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 01:01:47,980 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 85 states, 85 states have (on average 230.0) internal successors, (19550), 85 states have internal predecessors, (19550), 0 states have call successors, (0), 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 01:01:47,981 INFO L81 ComplementDD]: Finished complementDD. Result has 85 states, 85 states have (on average 230.0) internal successors, (19550), 85 states have internal predecessors, (19550), 0 states have call successors, (0), 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 01:01:47,981 INFO L186 Difference]: Start difference. First operand has 822 places, 1184 transitions, 11387 flow. Second operand 84 states and 14452 transitions. [2022-01-19 01:01:47,981 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 905 places, 1941 transitions, 22323 flow [2022-01-19 01:01:56,569 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 891 places, 1941 transitions, 21349 flow, removed 445 selfloop flow, removed 14 redundant places. [2022-01-19 01:01:56,588 INFO L242 Difference]: Finished difference. Result has 923 places, 1364 transitions, 14463 flow [2022-01-19 01:01:56,589 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=230, PETRI_DIFFERENCE_MINUEND_FLOW=10684, PETRI_DIFFERENCE_MINUEND_PLACES=808, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=363, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=786, PETRI_DIFFERENCE_SUBTRAHEND_STATES=84, PETRI_FLOW=14463, PETRI_PLACES=923, PETRI_TRANSITIONS=1364} [2022-01-19 01:01:56,589 INFO L334 CegarLoopForPetriNet]: 210 programPoint places, 713 predicate places. [2022-01-19 01:01:56,589 INFO L470 AbstractCegarLoop]: Abstraction has has 923 places, 1364 transitions, 14463 flow [2022-01-19 01:01:56,590 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 165.5121951219512) internal successors, (6786), 41 states have internal predecessors, (6786), 0 states have call successors, (0), 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 01:01:56,590 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:01:56,590 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:01:56,606 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-01-19 01:01:56,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2022-01-19 01:01:56,791 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 01:01:56,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:01:56,792 INFO L85 PathProgramCache]: Analyzing trace with hash 2037437860, now seen corresponding path program 5 times [2022-01-19 01:01:56,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:01:56,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539275767] [2022-01-19 01:01:56,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:01:56,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:01:56,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:01:56,990 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:01:56,990 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:01:56,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539275767] [2022-01-19 01:01:56,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539275767] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 01:01:56,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [229891692] [2022-01-19 01:01:56,990 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-01-19 01:01:56,990 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 01:01:56,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 01:01:56,992 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-19 01:01:57,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-01-19 01:01:57,114 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2022-01-19 01:01:57,115 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-19 01:01:57,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 21 conjunts are in the unsatisfiable core [2022-01-19 01:01:57,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 01:01:57,671 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:01:57,672 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 01:01:58,420 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:01:58,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [229891692] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-19 01:01:58,421 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-19 01:01:58,421 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 42 [2022-01-19 01:01:58,421 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054962020] [2022-01-19 01:01:58,421 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-19 01:01:58,422 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2022-01-19 01:01:58,422 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:01:58,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2022-01-19 01:01:58,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=1594, Unknown=0, NotChecked=0, Total=1722 [2022-01-19 01:01:58,426 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 230 [2022-01-19 01:01:58,430 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 923 places, 1364 transitions, 14463 flow. Second operand has 42 states, 42 states have (on average 165.47619047619048) internal successors, (6950), 42 states have internal predecessors, (6950), 0 states have call successors, (0), 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 01:01:58,430 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:01:58,430 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 230 [2022-01-19 01:01:58,430 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 01:02:47,873 INFO L129 PetriNetUnfolder]: 17789/110862 cut-off events. [2022-01-19 01:02:47,873 INFO L130 PetriNetUnfolder]: For 699047/703209 co-relation queries the response was YES. [2022-01-19 01:02:54,963 INFO L84 FinitePrefix]: Finished finitePrefix Result has 341233 conditions, 110862 events. 17789/110862 cut-off events. For 699047/703209 co-relation queries the response was YES. Maximal size of possible extension queue 2537. Compared 1838260 event pairs, 3403 based on Foata normal form. 1402/105977 useless extension candidates. Maximal degree in co-relation 340984. Up to 12905 conditions per place. [2022-01-19 01:02:55,252 INFO L132 encePairwiseOnDemand]: 203/230 looper letters, 1220 selfloop transitions, 766 changer transitions 14/2281 dead transitions. [2022-01-19 01:02:55,252 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1025 places, 2281 transitions, 28189 flow [2022-01-19 01:02:55,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-01-19 01:02:55,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2022-01-19 01:02:55,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 17673 transitions. [2022-01-19 01:02:55,261 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7460109750949768 [2022-01-19 01:02:55,262 INFO L72 ComplementDD]: Start complementDD. Operand 103 states and 17673 transitions. [2022-01-19 01:02:55,262 INFO L73 IsDeterministic]: Start isDeterministic. Operand 103 states and 17673 transitions. [2022-01-19 01:02:55,265 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 01:02:55,265 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 103 states and 17673 transitions. [2022-01-19 01:02:55,278 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 104 states, 103 states have (on average 171.58252427184465) internal successors, (17673), 103 states have internal predecessors, (17673), 0 states have call successors, (0), 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 01:02:55,291 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 104 states, 104 states have (on average 230.0) internal successors, (23920), 104 states have internal predecessors, (23920), 0 states have call successors, (0), 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 01:02:55,292 INFO L81 ComplementDD]: Finished complementDD. Result has 104 states, 104 states have (on average 230.0) internal successors, (23920), 104 states have internal predecessors, (23920), 0 states have call successors, (0), 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 01:02:55,292 INFO L186 Difference]: Start difference. First operand has 923 places, 1364 transitions, 14463 flow. Second operand 103 states and 17673 transitions. [2022-01-19 01:02:55,292 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1025 places, 2281 transitions, 28189 flow [2022-01-19 01:03:08,680 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1008 places, 2281 transitions, 27257 flow, removed 290 selfloop flow, removed 17 redundant places. [2022-01-19 01:03:08,703 INFO L242 Difference]: Finished difference. Result has 1061 places, 1659 transitions, 20128 flow [2022-01-19 01:03:08,704 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=230, PETRI_DIFFERENCE_MINUEND_FLOW=13637, PETRI_DIFFERENCE_MINUEND_PLACES=906, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1364, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=504, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=820, PETRI_DIFFERENCE_SUBTRAHEND_STATES=103, PETRI_FLOW=20128, PETRI_PLACES=1061, PETRI_TRANSITIONS=1659} [2022-01-19 01:03:08,705 INFO L334 CegarLoopForPetriNet]: 210 programPoint places, 851 predicate places. [2022-01-19 01:03:08,705 INFO L470 AbstractCegarLoop]: Abstraction has has 1061 places, 1659 transitions, 20128 flow [2022-01-19 01:03:08,706 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 165.47619047619048) internal successors, (6950), 42 states have internal predecessors, (6950), 0 states have call successors, (0), 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 01:03:08,706 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:03:08,706 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:03:08,728 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-01-19 01:03:08,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2022-01-19 01:03:08,927 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 01:03:08,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:03:08,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1130117740, now seen corresponding path program 6 times [2022-01-19 01:03:08,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:03:08,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394622458] [2022-01-19 01:03:08,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:03:08,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:03:08,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:03:09,123 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:03:09,123 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:03:09,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394622458] [2022-01-19 01:03:09,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394622458] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 01:03:09,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [105396083] [2022-01-19 01:03:09,124 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-01-19 01:03:09,124 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 01:03:09,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 01:03:09,125 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-19 01:03:09,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-01-19 01:03:09,228 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2022-01-19 01:03:09,229 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-19 01:03:09,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 21 conjunts are in the unsatisfiable core [2022-01-19 01:03:09,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 01:03:09,777 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:03:09,777 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 01:03:10,520 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:03:10,520 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [105396083] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-19 01:03:10,520 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-19 01:03:10,520 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 42 [2022-01-19 01:03:10,520 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350461654] [2022-01-19 01:03:10,521 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-19 01:03:10,521 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2022-01-19 01:03:10,521 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:03:10,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2022-01-19 01:03:10,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=1594, Unknown=0, NotChecked=0, Total=1722 [2022-01-19 01:03:10,524 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 230 [2022-01-19 01:03:10,527 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1061 places, 1659 transitions, 20128 flow. Second operand has 42 states, 42 states have (on average 165.52380952380952) internal successors, (6952), 42 states have internal predecessors, (6952), 0 states have call successors, (0), 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 01:03:10,527 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:03:10,527 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 230 [2022-01-19 01:03:10,527 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 01:04:11,010 INFO L129 PetriNetUnfolder]: 19478/121149 cut-off events. [2022-01-19 01:04:11,011 INFO L130 PetriNetUnfolder]: For 1031918/1036524 co-relation queries the response was YES. [2022-01-19 01:04:19,817 INFO L84 FinitePrefix]: Finished finitePrefix Result has 402590 conditions, 121149 events. 19478/121149 cut-off events. For 1031918/1036524 co-relation queries the response was YES. Maximal size of possible extension queue 2872. Compared 2038975 event pairs, 4267 based on Foata normal form. 1478/115719 useless extension candidates. Maximal degree in co-relation 402287. Up to 17746 conditions per place. [2022-01-19 01:04:20,261 INFO L132 encePairwiseOnDemand]: 203/230 looper letters, 1300 selfloop transitions, 792 changer transitions 11/2384 dead transitions. [2022-01-19 01:04:20,261 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1142 places, 2384 transitions, 33382 flow [2022-01-19 01:04:20,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-01-19 01:04:20,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2022-01-19 01:04:20,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 14072 transitions. [2022-01-19 01:04:20,270 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7461293743372216 [2022-01-19 01:04:20,270 INFO L72 ComplementDD]: Start complementDD. Operand 82 states and 14072 transitions. [2022-01-19 01:04:20,270 INFO L73 IsDeterministic]: Start isDeterministic. Operand 82 states and 14072 transitions. [2022-01-19 01:04:20,272 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 01:04:20,272 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 82 states and 14072 transitions. [2022-01-19 01:04:20,279 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 83 states, 82 states have (on average 171.609756097561) internal successors, (14072), 82 states have internal predecessors, (14072), 0 states have call successors, (0), 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 01:04:20,287 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 83 states, 83 states have (on average 230.0) internal successors, (19090), 83 states have internal predecessors, (19090), 0 states have call successors, (0), 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 01:04:20,288 INFO L81 ComplementDD]: Finished complementDD. Result has 83 states, 83 states have (on average 230.0) internal successors, (19090), 83 states have internal predecessors, (19090), 0 states have call successors, (0), 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 01:04:20,288 INFO L186 Difference]: Start difference. First operand has 1061 places, 1659 transitions, 20128 flow. Second operand 82 states and 14072 transitions. [2022-01-19 01:04:20,288 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1142 places, 2384 transitions, 33382 flow [2022-01-19 01:04:40,959 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1130 places, 2384 transitions, 31814 flow, removed 707 selfloop flow, removed 12 redundant places. [2022-01-19 01:04:40,991 INFO L242 Difference]: Finished difference. Result has 1173 places, 1872 transitions, 24741 flow [2022-01-19 01:04:40,993 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=230, PETRI_DIFFERENCE_MINUEND_FLOW=18624, PETRI_DIFFERENCE_MINUEND_PLACES=1049, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1659, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=612, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1001, PETRI_DIFFERENCE_SUBTRAHEND_STATES=82, PETRI_FLOW=24741, PETRI_PLACES=1173, PETRI_TRANSITIONS=1872} [2022-01-19 01:04:40,993 INFO L334 CegarLoopForPetriNet]: 210 programPoint places, 963 predicate places. [2022-01-19 01:04:40,993 INFO L470 AbstractCegarLoop]: Abstraction has has 1173 places, 1872 transitions, 24741 flow [2022-01-19 01:04:40,994 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 165.52380952380952) internal successors, (6952), 42 states have internal predecessors, (6952), 0 states have call successors, (0), 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 01:04:40,994 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 01:04:40,995 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:04:41,011 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-01-19 01:04:41,198 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2022-01-19 01:04:41,198 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 01:04:41,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 01:04:41,199 INFO L85 PathProgramCache]: Analyzing trace with hash -1017733994, now seen corresponding path program 7 times [2022-01-19 01:04:41,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 01:04:41,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403489832] [2022-01-19 01:04:41,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 01:04:41,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 01:04:41,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:04:41,383 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:04:41,383 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 01:04:41,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403489832] [2022-01-19 01:04:41,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403489832] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 01:04:41,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1429924524] [2022-01-19 01:04:41,384 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-01-19 01:04:41,384 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 01:04:41,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 01:04:41,385 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-19 01:04:41,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-01-19 01:04:41,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 01:04:41,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 21 conjunts are in the unsatisfiable core [2022-01-19 01:04:41,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 01:04:41,969 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:04:41,969 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 01:04:42,700 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 01:04:42,701 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1429924524] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-19 01:04:42,701 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-19 01:04:42,701 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 41 [2022-01-19 01:04:42,701 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289104020] [2022-01-19 01:04:42,701 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-19 01:04:42,701 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-01-19 01:04:42,701 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 01:04:42,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-01-19 01:04:42,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=1516, Unknown=0, NotChecked=0, Total=1640 [2022-01-19 01:04:42,704 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 230 [2022-01-19 01:04:42,707 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1173 places, 1872 transitions, 24741 flow. Second operand has 41 states, 41 states have (on average 165.5121951219512) internal successors, (6786), 41 states have internal predecessors, (6786), 0 states have call successors, (0), 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 01:04:42,707 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 01:04:42,707 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 230 [2022-01-19 01:04:42,707 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand