/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 04:24:02,460 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 04:24:02,462 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 04:24:02,493 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 04:24:02,494 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 04:24:02,496 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 04:24:02,501 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 04:24:02,502 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 04:24:02,503 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 04:24:02,504 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 04:24:02,504 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 04:24:02,505 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 04:24:02,505 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 04:24:02,506 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 04:24:02,506 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 04:24:02,507 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 04:24:02,508 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 04:24:02,508 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 04:24:02,509 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 04:24:02,511 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 04:24:02,512 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 04:24:02,515 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 04:24:02,516 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 04:24:02,516 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 04:24:02,518 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 04:24:02,518 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 04:24:02,518 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 04:24:02,519 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 04:24:02,519 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 04:24:02,520 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 04:24:02,520 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 04:24:02,520 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 04:24:02,521 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 04:24:02,521 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 04:24:02,522 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 04:24:02,522 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 04:24:02,522 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 04:24:02,523 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 04:24:02,523 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 04:24:02,523 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 04:24:02,524 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 04:24:02,524 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-04-02 04:24:02,541 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 04:24:02,541 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 04:24:02,541 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 04:24:02,541 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 04:24:02,542 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 04:24:02,542 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 04:24:02,543 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 04:24:02,543 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 04:24:02,543 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 04:24:02,543 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 04:24:02,543 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 04:24:02,543 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 04:24:02,543 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 04:24:02,544 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 04:24:02,544 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 04:24:02,544 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 04:24:02,544 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 04:24:02,544 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 04:24:02,544 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 04:24:02,546 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 04:24:02,547 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 04:24:02,547 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 04:24:02,547 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 04:24:02,547 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 04:24:02,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 04:24:02,547 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 04:24:02,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 04:24:02,548 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 04:24:02,548 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 04:24:02,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 04:24:02,548 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 04:24:02,548 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 04:24:02,548 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 04:24:02,549 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 04:24:02,549 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 04:24:02,549 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 04:24:02,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 04:24:02,772 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 04:24:02,774 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 04:24:02,775 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 04:24:02,775 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 04:24:02,776 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c [2023-04-02 04:24:03,945 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 04:24:04,148 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 04:24:04,149 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c [2023-04-02 04:24:04,156 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06c749203/601f5a9c0cfe4fcf93136a51c7be17f4/FLAG6dbbd9727 [2023-04-02 04:24:04,172 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06c749203/601f5a9c0cfe4fcf93136a51c7be17f4 [2023-04-02 04:24:04,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 04:24:04,175 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 04:24:04,175 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 04:24:04,175 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 04:24:04,180 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 04:24:04,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 04:24:04" (1/1) ... [2023-04-02 04:24:04,181 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63dde712 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:24:04, skipping insertion in model container [2023-04-02 04:24:04,181 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 04:24:04" (1/1) ... [2023-04-02 04:24:04,186 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 04:24:04,216 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 04:24:04,332 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c[6887,6900] [2023-04-02 04:24:04,381 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 04:24:04,405 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 04:24:04,431 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c[6887,6900] [2023-04-02 04:24:04,479 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 04:24:04,497 INFO L208 MainTranslator]: Completed translation [2023-04-02 04:24:04,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:24:04 WrapperNode [2023-04-02 04:24:04,497 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 04:24:04,498 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 04:24:04,499 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 04:24:04,499 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 04:24:04,507 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:24:04" (1/1) ... [2023-04-02 04:24:04,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:24:04" (1/1) ... [2023-04-02 04:24:04,518 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:24:04" (1/1) ... [2023-04-02 04:24:04,518 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:24:04" (1/1) ... [2023-04-02 04:24:04,540 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:24:04" (1/1) ... [2023-04-02 04:24:04,561 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:24:04" (1/1) ... [2023-04-02 04:24:04,563 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:24:04" (1/1) ... [2023-04-02 04:24:04,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:24:04" (1/1) ... [2023-04-02 04:24:04,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 04:24:04,569 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 04:24:04,569 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 04:24:04,570 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 04:24:04,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:24:04" (1/1) ... [2023-04-02 04:24:04,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 04:24:04,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:24:04,619 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-02 04:24:04,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-02 04:24:04,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 04:24:04,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 04:24:04,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-02 04:24:04,659 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 04:24:04,659 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-02 04:24:04,659 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-02 04:24:04,659 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-04-02 04:24:04,659 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-04-02 04:24:04,659 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2023-04-02 04:24:04,659 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-02 04:24:04,659 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-02 04:24:04,659 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-02 04:24:04,660 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-02 04:24:04,660 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-02 04:24:04,660 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-02 04:24:04,660 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-04-02 04:24:04,660 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2023-04-02 04:24:04,660 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2023-04-02 04:24:04,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2023-04-02 04:24:04,660 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-02 04:24:04,663 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-02 04:24:04,663 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-02 04:24:04,663 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-02 04:24:04,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-02 04:24:04,664 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-02 04:24:04,664 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-02 04:24:04,664 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-02 04:24:04,664 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-02 04:24:04,664 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 04:24:04,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-02 04:24:04,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-02 04:24:04,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-02 04:24:04,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-02 04:24:04,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-02 04:24:04,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-02 04:24:04,665 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-02 04:24:04,665 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-02 04:24:04,665 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-02 04:24:04,665 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-02 04:24:04,665 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-02 04:24:04,665 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-02 04:24:04,665 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-04-02 04:24:04,665 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2023-04-02 04:24:04,665 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 04:24:04,666 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 04:24:04,666 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 04:24:04,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 04:24:04,666 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 04:24:04,666 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-02 04:24:04,666 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-02 04:24:04,666 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-02 04:24:04,666 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2023-04-02 04:24:04,667 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-02 04:24:04,667 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-02 04:24:04,668 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-02 04:24:04,668 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-02 04:24:04,668 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-02 04:24:04,668 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-02 04:24:04,668 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-04-02 04:24:04,668 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2023-04-02 04:24:04,669 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-02 04:24:04,669 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-02 04:24:04,669 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-02 04:24:04,669 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-02 04:24:04,669 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2023-04-02 04:24:04,669 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-02 04:24:04,670 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-04-02 04:24:04,670 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-04-02 04:24:04,670 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-04-02 04:24:04,670 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2023-04-02 04:24:04,670 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2023-04-02 04:24:04,670 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-02 04:24:04,670 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-02 04:24:04,671 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-02 04:24:04,671 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-02 04:24:04,671 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-02 04:24:04,671 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-02 04:24:04,671 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-02 04:24:04,671 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-02 04:24:04,671 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-02 04:24:04,672 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-02 04:24:04,672 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 04:24:04,672 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 04:24:04,672 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 04:24:04,672 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-02 04:24:04,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 04:24:04,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 04:24:04,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 04:24:04,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 04:24:04,673 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-02 04:24:04,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 04:24:04,673 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-02 04:24:04,673 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-02 04:24:04,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 04:24:04,673 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-02 04:24:04,674 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-02 04:24:04,674 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-02 04:24:04,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 04:24:04,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 04:24:04,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 04:24:04,826 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 04:24:04,828 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 04:24:05,253 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 04:24:05,260 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 04:24:05,260 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-02 04:24:05,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 04:24:05 BoogieIcfgContainer [2023-04-02 04:24:05,262 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 04:24:05,264 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 04:24:05,264 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 04:24:05,266 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 04:24:05,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 04:24:04" (1/3) ... [2023-04-02 04:24:05,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1063c429 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 04:24:05, skipping insertion in model container [2023-04-02 04:24:05,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:24:04" (2/3) ... [2023-04-02 04:24:05,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1063c429 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 04:24:05, skipping insertion in model container [2023-04-02 04:24:05,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 04:24:05" (3/3) ... [2023-04-02 04:24:05,271 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product55.cil.c [2023-04-02 04:24:05,285 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 04:24:05,285 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 04:24:05,337 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 04:24:05,343 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@19d4807, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 04:24:05,343 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 04:24:05,347 INFO L276 IsEmpty]: Start isEmpty. Operand has 195 states, 108 states have (on average 1.2962962962962963) internal successors, (140), 124 states have internal predecessors, (140), 52 states have call successors, (52), 32 states have call predecessors, (52), 32 states have return successors, (52), 46 states have call predecessors, (52), 52 states have call successors, (52) [2023-04-02 04:24:05,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-04-02 04:24:05,359 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:24:05,359 INFO L195 NwaCegarLoop]: 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] [2023-04-02 04:24:05,360 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:24:05,364 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:24:05,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1901777367, now seen corresponding path program 1 times [2023-04-02 04:24:05,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:24:05,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161283767] [2023-04-02 04:24:05,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:24:05,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:24:05,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:05,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:24:05,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:05,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:24:05,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:05,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:24:05,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:05,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:24:05,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:05,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:24:05,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:05,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-04-02 04:24:05,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:05,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 04:24:05,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:05,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:24:05,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:24:05,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161283767] [2023-04-02 04:24:05,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161283767] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:24:05,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:24:05,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-02 04:24:05,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122760818] [2023-04-02 04:24:05,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:24:05,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 04:24:05,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:24:05,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 04:24:05,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-02 04:24:05,663 INFO L87 Difference]: Start difference. First operand has 195 states, 108 states have (on average 1.2962962962962963) internal successors, (140), 124 states have internal predecessors, (140), 52 states have call successors, (52), 32 states have call predecessors, (52), 32 states have return successors, (52), 46 states have call predecessors, (52), 52 states have call successors, (52) Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-02 04:24:06,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:24:06,119 INFO L93 Difference]: Finished difference Result 349 states and 454 transitions. [2023-04-02 04:24:06,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 04:24:06,121 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 46 [2023-04-02 04:24:06,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:24:06,132 INFO L225 Difference]: With dead ends: 349 [2023-04-02 04:24:06,132 INFO L226 Difference]: Without dead ends: 188 [2023-04-02 04:24:06,136 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-02 04:24:06,140 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 111 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-02 04:24:06,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 25 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-02 04:24:06,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2023-04-02 04:24:06,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 152. [2023-04-02 04:24:06,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 89 states have (on average 1.247191011235955) internal successors, (111), 102 states have internal predecessors, (111), 37 states have call successors, (37), 30 states have call predecessors, (37), 25 states have return successors, (32), 26 states have call predecessors, (32), 32 states have call successors, (32) [2023-04-02 04:24:06,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 180 transitions. [2023-04-02 04:24:06,207 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 180 transitions. Word has length 46 [2023-04-02 04:24:06,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:24:06,209 INFO L495 AbstractCegarLoop]: Abstraction has 152 states and 180 transitions. [2023-04-02 04:24:06,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-02 04:24:06,209 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 180 transitions. [2023-04-02 04:24:06,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-04-02 04:24:06,216 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:24:06,216 INFO L195 NwaCegarLoop]: 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] [2023-04-02 04:24:06,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 04:24:06,217 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:24:06,217 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:24:06,217 INFO L85 PathProgramCache]: Analyzing trace with hash -2061307397, now seen corresponding path program 1 times [2023-04-02 04:24:06,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:24:06,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184582641] [2023-04-02 04:24:06,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:24:06,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:24:06,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:06,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:24:06,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:06,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:24:06,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:06,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:24:06,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:06,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:24:06,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:06,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:24:06,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:06,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-04-02 04:24:06,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:06,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 04:24:06,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:06,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:24:06,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:24:06,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184582641] [2023-04-02 04:24:06,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184582641] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:24:06,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:24:06,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-02 04:24:06,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497977490] [2023-04-02 04:24:06,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:24:06,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-02 04:24:06,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:24:06,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-02 04:24:06,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-02 04:24:06,373 INFO L87 Difference]: Start difference. First operand 152 states and 180 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-02 04:24:06,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:24:06,697 INFO L93 Difference]: Finished difference Result 276 states and 337 transitions. [2023-04-02 04:24:06,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-02 04:24:06,697 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 47 [2023-04-02 04:24:06,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:24:06,699 INFO L225 Difference]: With dead ends: 276 [2023-04-02 04:24:06,699 INFO L226 Difference]: Without dead ends: 172 [2023-04-02 04:24:06,700 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-04-02 04:24:06,701 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 121 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-02 04:24:06,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 32 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-02 04:24:06,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2023-04-02 04:24:06,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 143. [2023-04-02 04:24:06,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 83 states have (on average 1.2530120481927711) internal successors, (104), 96 states have internal predecessors, (104), 34 states have call successors, (34), 29 states have call predecessors, (34), 25 states have return successors, (30), 24 states have call predecessors, (30), 30 states have call successors, (30) [2023-04-02 04:24:06,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 168 transitions. [2023-04-02 04:24:06,721 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 168 transitions. Word has length 47 [2023-04-02 04:24:06,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:24:06,721 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 168 transitions. [2023-04-02 04:24:06,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-02 04:24:06,721 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 168 transitions. [2023-04-02 04:24:06,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-04-02 04:24:06,722 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:24:06,722 INFO L195 NwaCegarLoop]: 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] [2023-04-02 04:24:06,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 04:24:06,723 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:24:06,723 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:24:06,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1721838949, now seen corresponding path program 1 times [2023-04-02 04:24:06,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:24:06,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356862777] [2023-04-02 04:24:06,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:24:06,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:24:06,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:06,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:24:06,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:06,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:24:06,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:06,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:24:06,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:06,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:24:06,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:06,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:24:06,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:06,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 04:24:06,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:06,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-04-02 04:24:06,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:06,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:24:06,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:24:06,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356862777] [2023-04-02 04:24:06,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356862777] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:24:06,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:24:06,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 04:24:06,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071448319] [2023-04-02 04:24:06,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:24:06,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 04:24:06,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:24:06,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 04:24:06,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-04-02 04:24:06,866 INFO L87 Difference]: Start difference. First operand 143 states and 168 transitions. Second operand has 8 states, 8 states have (on average 3.875) internal successors, (31), 6 states have internal predecessors, (31), 4 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-02 04:24:07,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:24:07,748 INFO L93 Difference]: Finished difference Result 485 states and 602 transitions. [2023-04-02 04:24:07,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-02 04:24:07,748 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 6 states have internal predecessors, (31), 4 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 51 [2023-04-02 04:24:07,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:24:07,750 INFO L225 Difference]: With dead ends: 485 [2023-04-02 04:24:07,750 INFO L226 Difference]: Without dead ends: 366 [2023-04-02 04:24:07,751 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-04-02 04:24:07,752 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 391 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 1024 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 398 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 1208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 1024 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-02 04:24:07,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [398 Valid, 108 Invalid, 1208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 1024 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-02 04:24:07,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2023-04-02 04:24:07,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 304. [2023-04-02 04:24:07,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 183 states have (on average 1.284153005464481) internal successors, (235), 209 states have internal predecessors, (235), 68 states have call successors, (68), 58 states have call predecessors, (68), 52 states have return successors, (65), 48 states have call predecessors, (65), 64 states have call successors, (65) [2023-04-02 04:24:07,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 368 transitions. [2023-04-02 04:24:07,844 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 368 transitions. Word has length 51 [2023-04-02 04:24:07,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:24:07,844 INFO L495 AbstractCegarLoop]: Abstraction has 304 states and 368 transitions. [2023-04-02 04:24:07,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 6 states have internal predecessors, (31), 4 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-02 04:24:07,845 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 368 transitions. [2023-04-02 04:24:07,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-04-02 04:24:07,862 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:24:07,862 INFO L195 NwaCegarLoop]: 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] [2023-04-02 04:24:07,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 04:24:07,862 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:24:07,863 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:24:07,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1053801799, now seen corresponding path program 1 times [2023-04-02 04:24:07,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:24:07,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944039127] [2023-04-02 04:24:07,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:24:07,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:24:07,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:08,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:24:08,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:08,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:24:08,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:08,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:24:08,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:08,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:24:08,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:08,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:24:08,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:08,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-04-02 04:24:08,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:08,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-04-02 04:24:08,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:08,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-02 04:24:08,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:08,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:24:08,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:24:08,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944039127] [2023-04-02 04:24:08,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944039127] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:24:08,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:24:08,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 04:24:08,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534665703] [2023-04-02 04:24:08,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:24:08,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 04:24:08,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:24:08,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 04:24:08,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2023-04-02 04:24:08,213 INFO L87 Difference]: Start difference. First operand 304 states and 368 transitions. Second operand has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 8 states have internal predecessors, (35), 4 states have call successors, (14), 6 states have call predecessors, (14), 4 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2023-04-02 04:24:09,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:24:09,508 INFO L93 Difference]: Finished difference Result 1237 states and 1698 transitions. [2023-04-02 04:24:09,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-04-02 04:24:09,508 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 8 states have internal predecessors, (35), 4 states have call successors, (14), 6 states have call predecessors, (14), 4 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) Word has length 57 [2023-04-02 04:24:09,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:24:09,512 INFO L225 Difference]: With dead ends: 1237 [2023-04-02 04:24:09,512 INFO L226 Difference]: Without dead ends: 957 [2023-04-02 04:24:09,513 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2023-04-02 04:24:09,514 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 697 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 1561 mSolverCounterSat, 375 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 719 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 1936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 375 IncrementalHoareTripleChecker+Valid, 1561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-04-02 04:24:09,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [719 Valid, 127 Invalid, 1936 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [375 Valid, 1561 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-04-02 04:24:09,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 957 states. [2023-04-02 04:24:09,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 957 to 860. [2023-04-02 04:24:09,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 860 states, 518 states have (on average 1.2586872586872586) internal successors, (652), 594 states have internal predecessors, (652), 184 states have call successors, (184), 147 states have call predecessors, (184), 157 states have return successors, (266), 146 states have call predecessors, (266), 180 states have call successors, (266) [2023-04-02 04:24:09,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 860 states and 1102 transitions. [2023-04-02 04:24:09,584 INFO L78 Accepts]: Start accepts. Automaton has 860 states and 1102 transitions. Word has length 57 [2023-04-02 04:24:09,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:24:09,584 INFO L495 AbstractCegarLoop]: Abstraction has 860 states and 1102 transitions. [2023-04-02 04:24:09,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 8 states have internal predecessors, (35), 4 states have call successors, (14), 6 states have call predecessors, (14), 4 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2023-04-02 04:24:09,584 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 1102 transitions. [2023-04-02 04:24:09,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-04-02 04:24:09,586 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:24:09,586 INFO L195 NwaCegarLoop]: 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] [2023-04-02 04:24:09,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-02 04:24:09,586 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:24:09,586 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:24:09,586 INFO L85 PathProgramCache]: Analyzing trace with hash -997910483, now seen corresponding path program 1 times [2023-04-02 04:24:09,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:24:09,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999107427] [2023-04-02 04:24:09,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:24:09,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:24:09,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:09,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:24:09,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:09,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:24:09,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:09,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:24:09,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:09,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:24:09,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:09,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:24:09,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:09,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-04-02 04:24:09,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:09,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-04-02 04:24:09,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:09,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-04-02 04:24:09,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:09,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 04:24:09,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:09,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:24:09,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:24:09,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999107427] [2023-04-02 04:24:09,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999107427] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:24:09,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:24:09,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-02 04:24:09,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078865593] [2023-04-02 04:24:09,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:24:09,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-02 04:24:09,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:24:09,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-02 04:24:09,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-04-02 04:24:09,676 INFO L87 Difference]: Start difference. First operand 860 states and 1102 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2023-04-02 04:24:10,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:24:10,186 INFO L93 Difference]: Finished difference Result 2013 states and 2775 transitions. [2023-04-02 04:24:10,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-04-02 04:24:10,186 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) Word has length 61 [2023-04-02 04:24:10,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:24:10,192 INFO L225 Difference]: With dead ends: 2013 [2023-04-02 04:24:10,192 INFO L226 Difference]: Without dead ends: 1177 [2023-04-02 04:24:10,195 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2023-04-02 04:24:10,200 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 508 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 326 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 523 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 326 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-02 04:24:10,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [523 Valid, 59 Invalid, 679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [326 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-02 04:24:10,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-04-02 04:24:10,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1090. [2023-04-02 04:24:10,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1090 states, 671 states have (on average 1.2205663189269746) internal successors, (819), 724 states have internal predecessors, (819), 203 states have call successors, (203), 177 states have call predecessors, (203), 215 states have return successors, (356), 220 states have call predecessors, (356), 199 states have call successors, (356) [2023-04-02 04:24:10,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 1090 states and 1378 transitions. [2023-04-02 04:24:10,291 INFO L78 Accepts]: Start accepts. Automaton has 1090 states and 1378 transitions. Word has length 61 [2023-04-02 04:24:10,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:24:10,291 INFO L495 AbstractCegarLoop]: Abstraction has 1090 states and 1378 transitions. [2023-04-02 04:24:10,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2023-04-02 04:24:10,292 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 1378 transitions. [2023-04-02 04:24:10,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-04-02 04:24:10,294 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:24:10,294 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:24:10,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-02 04:24:10,294 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:24:10,295 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:24:10,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1832974188, now seen corresponding path program 1 times [2023-04-02 04:24:10,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:24:10,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871712130] [2023-04-02 04:24:10,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:24:10,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:24:10,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:10,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:24:10,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:10,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:24:10,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:10,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:24:10,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:10,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:24:10,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:10,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:24:10,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:10,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 04:24:10,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:10,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 04:24:10,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:10,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-04-02 04:24:10,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:10,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:10,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:10,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:24:10,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:10,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-04-02 04:24:10,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:10,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-04-02 04:24:10,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:10,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-04-02 04:24:10,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:10,512 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-02 04:24:10,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:24:10,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871712130] [2023-04-02 04:24:10,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871712130] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 04:24:10,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1367724961] [2023-04-02 04:24:10,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:24:10,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:24:10,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:24:10,515 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 04:24:10,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-02 04:24:10,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:10,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 15 conjunts are in the unsatisfiable core [2023-04-02 04:24:10,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 04:24:10,836 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-02 04:24:10,836 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 04:24:11,068 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-04-02 04:24:11,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1367724961] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-02 04:24:11,068 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-02 04:24:11,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 8] total 18 [2023-04-02 04:24:11,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358845422] [2023-04-02 04:24:11,069 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-02 04:24:11,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-04-02 04:24:11,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:24:11,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-04-02 04:24:11,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2023-04-02 04:24:11,070 INFO L87 Difference]: Start difference. First operand 1090 states and 1378 transitions. Second operand has 18 states, 18 states have (on average 5.777777777777778) internal successors, (104), 12 states have internal predecessors, (104), 7 states have call successors, (46), 12 states have call predecessors, (46), 11 states have return successors, (34), 8 states have call predecessors, (34), 7 states have call successors, (34) [2023-04-02 04:24:15,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:24:15,240 INFO L93 Difference]: Finished difference Result 2993 states and 3991 transitions. [2023-04-02 04:24:15,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2023-04-02 04:24:15,241 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 5.777777777777778) internal successors, (104), 12 states have internal predecessors, (104), 7 states have call successors, (46), 12 states have call predecessors, (46), 11 states have return successors, (34), 8 states have call predecessors, (34), 7 states have call successors, (34) Word has length 88 [2023-04-02 04:24:15,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:24:15,250 INFO L225 Difference]: With dead ends: 2993 [2023-04-02 04:24:15,250 INFO L226 Difference]: Without dead ends: 2184 [2023-04-02 04:24:15,255 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 216 SyntacticMatches, 8 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2957 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1543, Invalid=7199, Unknown=0, NotChecked=0, Total=8742 [2023-04-02 04:24:15,256 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 1614 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 4102 mSolverCounterSat, 1058 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1634 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 5160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1058 IncrementalHoareTripleChecker+Valid, 4102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-04-02 04:24:15,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1634 Valid, 307 Invalid, 5160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1058 Valid, 4102 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-04-02 04:24:15,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2184 states. [2023-04-02 04:24:15,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2184 to 1911. [2023-04-02 04:24:15,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1911 states, 1198 states have (on average 1.2145242070116862) internal successors, (1455), 1278 states have internal predecessors, (1455), 339 states have call successors, (339), 315 states have call predecessors, (339), 373 states have return successors, (576), 361 states have call predecessors, (576), 335 states have call successors, (576) [2023-04-02 04:24:15,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1911 states to 1911 states and 2370 transitions. [2023-04-02 04:24:15,393 INFO L78 Accepts]: Start accepts. Automaton has 1911 states and 2370 transitions. Word has length 88 [2023-04-02 04:24:15,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:24:15,393 INFO L495 AbstractCegarLoop]: Abstraction has 1911 states and 2370 transitions. [2023-04-02 04:24:15,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.777777777777778) internal successors, (104), 12 states have internal predecessors, (104), 7 states have call successors, (46), 12 states have call predecessors, (46), 11 states have return successors, (34), 8 states have call predecessors, (34), 7 states have call successors, (34) [2023-04-02 04:24:15,393 INFO L276 IsEmpty]: Start isEmpty. Operand 1911 states and 2370 transitions. [2023-04-02 04:24:15,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-04-02 04:24:15,417 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:24:15,417 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:24:15,426 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-02 04:24:15,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-04-02 04:24:15,624 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:24:15,624 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:24:15,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1638662304, now seen corresponding path program 1 times [2023-04-02 04:24:15,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:24:15,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138418198] [2023-04-02 04:24:15,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:24:15,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:24:15,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:15,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:24:15,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:15,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:24:15,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:15,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:24:15,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:15,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:24:15,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:15,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:24:15,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:15,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-04-02 04:24:15,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:15,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:15,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:15,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:15,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:15,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:15,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:15,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:15,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:15,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:24:15,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:15,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 04:24:15,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:15,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 04:24:15,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:15,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:24:15,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:15,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-04-02 04:24:15,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:15,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-04-02 04:24:15,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:15,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:15,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:15,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:15,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:15,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:15,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:15,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:24:15,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:15,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 04:24:15,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:15,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-04-02 04:24:15,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:15,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-04-02 04:24:15,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:15,838 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 16 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-02 04:24:15,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:24:15,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138418198] [2023-04-02 04:24:15,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138418198] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 04:24:15,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1257604680] [2023-04-02 04:24:15,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:24:15,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:24:15,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:24:15,853 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 04:24:15,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-02 04:24:15,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:15,969 INFO L262 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 6 conjunts are in the unsatisfiable core [2023-04-02 04:24:15,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 04:24:16,053 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 23 proven. 8 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-04-02 04:24:16,053 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 04:24:16,300 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 20 proven. 8 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-02 04:24:16,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1257604680] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-02 04:24:16,300 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-02 04:24:16,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 14 [2023-04-02 04:24:16,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712469085] [2023-04-02 04:24:16,301 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-02 04:24:16,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-04-02 04:24:16,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:24:16,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-04-02 04:24:16,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2023-04-02 04:24:16,303 INFO L87 Difference]: Start difference. First operand 1911 states and 2370 transitions. Second operand has 14 states, 14 states have (on average 8.357142857142858) internal successors, (117), 9 states have internal predecessors, (117), 4 states have call successors, (42), 9 states have call predecessors, (42), 5 states have return successors, (36), 5 states have call predecessors, (36), 4 states have call successors, (36) [2023-04-02 04:24:17,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:24:17,527 INFO L93 Difference]: Finished difference Result 3831 states and 4896 transitions. [2023-04-02 04:24:17,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-04-02 04:24:17,527 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 8.357142857142858) internal successors, (117), 9 states have internal predecessors, (117), 4 states have call successors, (42), 9 states have call predecessors, (42), 5 states have return successors, (36), 5 states have call predecessors, (36), 4 states have call successors, (36) Word has length 144 [2023-04-02 04:24:17,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:24:17,535 INFO L225 Difference]: With dead ends: 3831 [2023-04-02 04:24:17,535 INFO L226 Difference]: Without dead ends: 1990 [2023-04-02 04:24:17,540 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 337 SyntacticMatches, 3 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=171, Invalid=531, Unknown=0, NotChecked=0, Total=702 [2023-04-02 04:24:17,540 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 506 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 1776 mSolverCounterSat, 263 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 519 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 2039 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 263 IncrementalHoareTripleChecker+Valid, 1776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-04-02 04:24:17,540 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [519 Valid, 340 Invalid, 2039 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [263 Valid, 1776 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-04-02 04:24:17,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1990 states. [2023-04-02 04:24:17,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1990 to 1956. [2023-04-02 04:24:17,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1956 states, 1249 states have (on average 1.1969575660528422) internal successors, (1495), 1338 states have internal predecessors, (1495), 338 states have call successors, (338), 314 states have call predecessors, (338), 368 states have return successors, (479), 357 states have call predecessors, (479), 334 states have call successors, (479) [2023-04-02 04:24:17,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1956 states to 1956 states and 2312 transitions. [2023-04-02 04:24:17,713 INFO L78 Accepts]: Start accepts. Automaton has 1956 states and 2312 transitions. Word has length 144 [2023-04-02 04:24:17,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:24:17,714 INFO L495 AbstractCegarLoop]: Abstraction has 1956 states and 2312 transitions. [2023-04-02 04:24:17,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.357142857142858) internal successors, (117), 9 states have internal predecessors, (117), 4 states have call successors, (42), 9 states have call predecessors, (42), 5 states have return successors, (36), 5 states have call predecessors, (36), 4 states have call successors, (36) [2023-04-02 04:24:17,714 INFO L276 IsEmpty]: Start isEmpty. Operand 1956 states and 2312 transitions. [2023-04-02 04:24:17,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-04-02 04:24:17,717 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:24:17,717 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:24:17,725 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-04-02 04:24:17,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-04-02 04:24:17,924 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:24:17,924 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:24:17,924 INFO L85 PathProgramCache]: Analyzing trace with hash -726388850, now seen corresponding path program 1 times [2023-04-02 04:24:17,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:24:17,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231807723] [2023-04-02 04:24:17,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:24:17,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:24:17,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:18,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:24:18,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:18,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:24:18,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:18,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:24:18,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:18,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:24:18,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:18,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:24:18,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:18,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-04-02 04:24:18,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:18,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:18,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:18,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:18,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:18,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:18,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:18,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:18,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:18,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:24:18,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:18,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 04:24:18,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:18,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 04:24:18,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:18,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:24:18,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:18,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-04-02 04:24:18,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:18,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-04-02 04:24:18,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:18,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:18,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:18,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:24:18,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:18,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 04:24:18,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:18,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:18,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:18,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:24:18,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:18,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 04:24:18,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:18,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:18,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:18,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 04:24:18,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:18,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-04-02 04:24:18,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:18,163 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-04-02 04:24:18,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:24:18,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231807723] [2023-04-02 04:24:18,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231807723] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 04:24:18,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1779281625] [2023-04-02 04:24:18,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:24:18,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:24:18,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:24:18,183 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 04:24:18,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-04-02 04:24:18,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:18,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 5 conjunts are in the unsatisfiable core [2023-04-02 04:24:18,285 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 04:24:18,315 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-02 04:24:18,315 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 04:24:18,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1779281625] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:24:18,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 04:24:18,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2023-04-02 04:24:18,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267566155] [2023-04-02 04:24:18,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:24:18,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-02 04:24:18,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:24:18,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-02 04:24:18,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2023-04-02 04:24:18,317 INFO L87 Difference]: Start difference. First operand 1956 states and 2312 transitions. Second operand has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2023-04-02 04:24:18,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:24:18,477 INFO L93 Difference]: Finished difference Result 3541 states and 4248 transitions. [2023-04-02 04:24:18,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-02 04:24:18,478 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) Word has length 153 [2023-04-02 04:24:18,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:24:18,484 INFO L225 Difference]: With dead ends: 3541 [2023-04-02 04:24:18,484 INFO L226 Difference]: Without dead ends: 1662 [2023-04-02 04:24:18,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2023-04-02 04:24:18,488 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 3 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 659 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 04:24:18,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 659 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 04:24:18,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1662 states. [2023-04-02 04:24:18,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1662 to 1620. [2023-04-02 04:24:18,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1620 states, 1038 states have (on average 1.188824662813102) internal successors, (1234), 1108 states have internal predecessors, (1234), 287 states have call successors, (287), 272 states have call predecessors, (287), 294 states have return successors, (386), 285 states have call predecessors, (386), 283 states have call successors, (386) [2023-04-02 04:24:18,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1620 states to 1620 states and 1907 transitions. [2023-04-02 04:24:18,618 INFO L78 Accepts]: Start accepts. Automaton has 1620 states and 1907 transitions. Word has length 153 [2023-04-02 04:24:18,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:24:18,619 INFO L495 AbstractCegarLoop]: Abstraction has 1620 states and 1907 transitions. [2023-04-02 04:24:18,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2023-04-02 04:24:18,619 INFO L276 IsEmpty]: Start isEmpty. Operand 1620 states and 1907 transitions. [2023-04-02 04:24:18,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-04-02 04:24:18,624 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:24:18,624 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:24:18,643 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-04-02 04:24:18,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:24:18,831 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:24:18,831 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:24:18,831 INFO L85 PathProgramCache]: Analyzing trace with hash -204249675, now seen corresponding path program 1 times [2023-04-02 04:24:18,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:24:18,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475863826] [2023-04-02 04:24:18,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:24:18,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:24:18,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:18,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:24:18,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:18,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:24:18,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:18,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:24:18,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:18,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:24:18,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:18,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:24:18,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:18,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 04:24:18,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:18,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 04:24:19,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:19,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:19,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:19,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:19,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:19,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:19,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:19,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:19,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:19,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:24:19,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:19,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 04:24:19,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:19,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 04:24:19,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:19,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:24:19,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:19,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-04-02 04:24:19,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:19,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-04-02 04:24:19,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:19,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:19,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:19,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:24:19,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:19,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 04:24:19,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:19,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:19,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:19,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:24:19,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:19,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 04:24:19,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:19,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:19,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:19,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-04-02 04:24:19,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:19,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-04-02 04:24:19,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:19,112 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-04-02 04:24:19,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:24:19,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475863826] [2023-04-02 04:24:19,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475863826] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 04:24:19,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2133510083] [2023-04-02 04:24:19,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:24:19,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:24:19,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:24:19,129 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 04:24:19,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-04-02 04:24:19,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:19,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 11 conjunts are in the unsatisfiable core [2023-04-02 04:24:19,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 04:24:19,358 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:24:19,359 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 04:24:19,623 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-04-02 04:24:19,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2133510083] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-02 04:24:19,623 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-02 04:24:19,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 9] total 17 [2023-04-02 04:24:19,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536365374] [2023-04-02 04:24:19,624 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-02 04:24:19,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-04-02 04:24:19,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:24:19,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-04-02 04:24:19,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2023-04-02 04:24:19,625 INFO L87 Difference]: Start difference. First operand 1620 states and 1907 transitions. Second operand has 17 states, 17 states have (on average 8.588235294117647) internal successors, (146), 10 states have internal predecessors, (146), 4 states have call successors, (57), 10 states have call predecessors, (57), 9 states have return successors, (41), 5 states have call predecessors, (41), 4 states have call successors, (41) [2023-04-02 04:24:21,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:24:21,018 INFO L93 Difference]: Finished difference Result 3162 states and 3885 transitions. [2023-04-02 04:24:21,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-04-02 04:24:21,018 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 8.588235294117647) internal successors, (146), 10 states have internal predecessors, (146), 4 states have call successors, (57), 10 states have call predecessors, (57), 9 states have return successors, (41), 5 states have call predecessors, (41), 4 states have call successors, (41) Word has length 157 [2023-04-02 04:24:21,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:24:21,025 INFO L225 Difference]: With dead ends: 3162 [2023-04-02 04:24:21,025 INFO L226 Difference]: Without dead ends: 1797 [2023-04-02 04:24:21,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 410 GetRequests, 363 SyntacticMatches, 11 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=397, Invalid=1009, Unknown=0, NotChecked=0, Total=1406 [2023-04-02 04:24:21,029 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 958 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 1529 mSolverCounterSat, 583 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 977 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 2112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 583 IncrementalHoareTripleChecker+Valid, 1529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-04-02 04:24:21,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [977 Valid, 202 Invalid, 2112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [583 Valid, 1529 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-04-02 04:24:21,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1797 states. [2023-04-02 04:24:21,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1797 to 1572. [2023-04-02 04:24:21,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1572 states, 1006 states have (on average 1.1848906560636183) internal successors, (1192), 1076 states have internal predecessors, (1192), 279 states have call successors, (279), 264 states have call predecessors, (279), 286 states have return successors, (378), 277 states have call predecessors, (378), 275 states have call successors, (378) [2023-04-02 04:24:21,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 1572 states and 1849 transitions. [2023-04-02 04:24:21,142 INFO L78 Accepts]: Start accepts. Automaton has 1572 states and 1849 transitions. Word has length 157 [2023-04-02 04:24:21,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:24:21,143 INFO L495 AbstractCegarLoop]: Abstraction has 1572 states and 1849 transitions. [2023-04-02 04:24:21,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 8.588235294117647) internal successors, (146), 10 states have internal predecessors, (146), 4 states have call successors, (57), 10 states have call predecessors, (57), 9 states have return successors, (41), 5 states have call predecessors, (41), 4 states have call successors, (41) [2023-04-02 04:24:21,143 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 1849 transitions. [2023-04-02 04:24:21,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2023-04-02 04:24:21,147 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:24:21,147 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:24:21,167 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-04-02 04:24:21,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:24:21,352 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:24:21,352 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:24:21,353 INFO L85 PathProgramCache]: Analyzing trace with hash -542511978, now seen corresponding path program 2 times [2023-04-02 04:24:21,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:24:21,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623923207] [2023-04-02 04:24:21,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:24:21,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:24:21,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:21,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:24:21,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:21,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:24:21,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:21,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:24:21,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:21,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:24:21,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:21,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:24:21,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:21,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 04:24:21,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:21,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 04:24:21,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:21,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:21,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:21,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:21,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:21,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:21,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:21,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:21,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:21,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:24:21,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:21,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 04:24:21,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:21,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 04:24:21,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:21,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:24:21,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:21,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-04-02 04:24:21,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:21,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:24:21,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:21,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:24:21,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:21,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:21,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:21,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:24:21,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:21,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 04:24:21,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:21,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:21,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:21,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:24:21,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:21,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 04:24:21,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:21,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:21,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:21,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-04-02 04:24:21,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:21,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:24:21,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:21,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-04-02 04:24:21,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:21,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-04-02 04:24:21,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:21,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:21,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:21,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:24:21,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:21,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 04:24:21,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:21,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:21,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:21,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:24:21,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:21,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 04:24:21,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:21,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:21,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:21,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-04-02 04:24:21,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:21,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-04-02 04:24:21,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:21,804 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 52 proven. 33 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-04-02 04:24:21,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:24:21,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623923207] [2023-04-02 04:24:21,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623923207] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 04:24:21,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1414762478] [2023-04-02 04:24:21,804 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-04-02 04:24:21,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:24:21,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:24:21,805 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 04:24:21,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-04-02 04:24:21,939 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-04-02 04:24:21,939 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-04-02 04:24:21,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 680 conjuncts, 14 conjunts are in the unsatisfiable core [2023-04-02 04:24:21,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 04:24:22,085 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-02 04:24:22,085 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 04:24:22,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1414762478] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:24:22,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 04:24:22,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [19] total 24 [2023-04-02 04:24:22,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163159650] [2023-04-02 04:24:22,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:24:22,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-02 04:24:22,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:24:22,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-02 04:24:22,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=476, Unknown=0, NotChecked=0, Total=552 [2023-04-02 04:24:22,087 INFO L87 Difference]: Start difference. First operand 1572 states and 1849 transitions. Second operand has 9 states, 9 states have (on average 14.88888888888889) internal successors, (134), 7 states have internal predecessors, (134), 4 states have call successors, (42), 5 states have call predecessors, (42), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2023-04-02 04:24:23,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:24:23,359 INFO L93 Difference]: Finished difference Result 3955 states and 4769 transitions. [2023-04-02 04:24:23,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-02 04:24:23,359 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.88888888888889) internal successors, (134), 7 states have internal predecessors, (134), 4 states have call successors, (42), 5 states have call predecessors, (42), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) Word has length 226 [2023-04-02 04:24:23,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:24:23,368 INFO L225 Difference]: With dead ends: 3955 [2023-04-02 04:24:23,368 INFO L226 Difference]: Without dead ends: 2630 [2023-04-02 04:24:23,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 296 SyntacticMatches, 6 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 329 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=176, Invalid=1156, Unknown=0, NotChecked=0, Total=1332 [2023-04-02 04:24:23,372 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 299 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 1710 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 1837 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 1710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-04-02 04:24:23,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [330 Valid, 398 Invalid, 1837 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 1710 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-04-02 04:24:23,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2630 states. [2023-04-02 04:24:23,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2630 to 2437. [2023-04-02 04:24:23,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2437 states, 1557 states have (on average 1.1714836223506744) internal successors, (1824), 1654 states have internal predecessors, (1824), 430 states have call successors, (430), 409 states have call predecessors, (430), 449 states have return successors, (589), 433 states have call predecessors, (589), 426 states have call successors, (589) [2023-04-02 04:24:23,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2437 states to 2437 states and 2843 transitions. [2023-04-02 04:24:23,617 INFO L78 Accepts]: Start accepts. Automaton has 2437 states and 2843 transitions. Word has length 226 [2023-04-02 04:24:23,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:24:23,618 INFO L495 AbstractCegarLoop]: Abstraction has 2437 states and 2843 transitions. [2023-04-02 04:24:23,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.88888888888889) internal successors, (134), 7 states have internal predecessors, (134), 4 states have call successors, (42), 5 states have call predecessors, (42), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2023-04-02 04:24:23,618 INFO L276 IsEmpty]: Start isEmpty. Operand 2437 states and 2843 transitions. [2023-04-02 04:24:23,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2023-04-02 04:24:23,622 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:24:23,622 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:24:23,649 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-04-02 04:24:23,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-04-02 04:24:23,828 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:24:23,829 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:24:23,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1719061272, now seen corresponding path program 1 times [2023-04-02 04:24:23,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:24:23,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716984532] [2023-04-02 04:24:23,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:24:23,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:24:23,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:23,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:24:23,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:23,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:24:23,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:23,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:24:23,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:23,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:24:23,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:23,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:24:23,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:23,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 04:24:23,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:23,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 04:24:23,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:23,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:23,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:23,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:23,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:24,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:24,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:24,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:24,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:24,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:24:24,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:24,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 04:24:24,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:24,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 04:24:24,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:24,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:24:24,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:24,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-04-02 04:24:24,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:24,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:24:24,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:24,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:24:24,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:24,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:24,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:24,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:24:24,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:24,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 04:24:24,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:24,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:24,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:24,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:24:24,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:24,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 04:24:24,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:24,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:24,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:24,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-04-02 04:24:24,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:24,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:24:24,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:24,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-04-02 04:24:24,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:24,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-04-02 04:24:24,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:24,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:24,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:24,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:24:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:24,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 04:24:24,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:24,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:24,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:24,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:24:24,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:24,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 04:24:24,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:24,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:24:24,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:24,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-04-02 04:24:24,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:24,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-04-02 04:24:24,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:24,123 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 41 proven. 10 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-04-02 04:24:24,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:24:24,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716984532] [2023-04-02 04:24:24,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716984532] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 04:24:24,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1659946075] [2023-04-02 04:24:24,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:24:24,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:24:24,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:24:24,125 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) [2023-04-02 04:24:24,127 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-04-02 04:24:24,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:24:24,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 681 conjuncts, 6 conjunts are in the unsatisfiable core [2023-04-02 04:24:24,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 04:24:24,271 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-04-02 04:24:24,272 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 04:24:24,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1659946075] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:24:24,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 04:24:24,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [13] total 15 [2023-04-02 04:24:24,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220221660] [2023-04-02 04:24:24,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:24:24,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-02 04:24:24,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:24:24,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-02 04:24:24,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2023-04-02 04:24:24,275 INFO L87 Difference]: Start difference. First operand 2437 states and 2843 transitions. Second operand has 6 states, 6 states have (on average 20.666666666666668) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (35), 3 states have call predecessors, (35), 2 states have call successors, (35) [2023-04-02 04:24:24,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:24:24,402 INFO L93 Difference]: Finished difference Result 3358 states and 3914 transitions. [2023-04-02 04:24:24,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-02 04:24:24,403 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.666666666666668) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (35), 3 states have call predecessors, (35), 2 states have call successors, (35) Word has length 226 [2023-04-02 04:24:24,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:24:24,405 INFO L225 Difference]: With dead ends: 3358 [2023-04-02 04:24:24,405 INFO L226 Difference]: Without dead ends: 0 [2023-04-02 04:24:24,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 303 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2023-04-02 04:24:24,411 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 4 mSDsluCounter, 636 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 799 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 04:24:24,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 799 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 04:24:24,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-02 04:24:24,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-02 04:24:24,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-04-02 04:24:24,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-02 04:24:24,423 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 226 [2023-04-02 04:24:24,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:24:24,424 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-02 04:24:24,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.666666666666668) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (35), 3 states have call predecessors, (35), 2 states have call successors, (35) [2023-04-02 04:24:24,424 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-02 04:24:24,424 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-02 04:24:24,426 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-02 04:24:24,435 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-04-02 04:24:24,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:24:24,636 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-02 04:24:37,081 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-02 04:24:37,081 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 11) no Hoare annotation was computed. [2023-04-02 04:24:37,081 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-02 04:24:37,081 INFO L899 garLoopResultBuilder]: For program point L640(lines 617 641) no Hoare annotation was computed. [2023-04-02 04:24:37,081 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeFINAL(lines 593 648) no Hoare annotation was computed. [2023-04-02 04:24:37,081 INFO L899 garLoopResultBuilder]: For program point L624(lines 624 628) no Hoare annotation was computed. [2023-04-02 04:24:37,081 INFO L899 garLoopResultBuilder]: For program point L624-1(lines 624 628) no Hoare annotation was computed. [2023-04-02 04:24:37,081 INFO L899 garLoopResultBuilder]: For program point L619(line 619) no Hoare annotation was computed. [2023-04-02 04:24:37,081 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 593 648) no Hoare annotation was computed. [2023-04-02 04:24:37,082 INFO L899 garLoopResultBuilder]: For program point L618-2(lines 618 639) no Hoare annotation was computed. [2023-04-02 04:24:37,082 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 593 648) no Hoare annotation was computed. [2023-04-02 04:24:37,082 INFO L899 garLoopResultBuilder]: For program point L675-2(lines 675 700) no Hoare annotation was computed. [2023-04-02 04:24:37,082 INFO L899 garLoopResultBuilder]: For program point L701(lines 674 702) no Hoare annotation was computed. [2023-04-02 04:24:37,082 INFO L899 garLoopResultBuilder]: For program point L694(line 694) no Hoare annotation was computed. [2023-04-02 04:24:37,082 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 649 708) no Hoare annotation was computed. [2023-04-02 04:24:37,082 INFO L899 garLoopResultBuilder]: For program point L694-1(line 694) no Hoare annotation was computed. [2023-04-02 04:24:37,082 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 649 708) no Hoare annotation was computed. [2023-04-02 04:24:37,082 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 649 708) no Hoare annotation was computed. [2023-04-02 04:24:37,082 INFO L899 garLoopResultBuilder]: For program point L681(lines 681 685) no Hoare annotation was computed. [2023-04-02 04:24:37,082 INFO L899 garLoopResultBuilder]: For program point L681-1(lines 681 685) no Hoare annotation was computed. [2023-04-02 04:24:37,082 INFO L899 garLoopResultBuilder]: For program point L676(line 676) no Hoare annotation was computed. [2023-04-02 04:24:37,082 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 426 434) no Hoare annotation was computed. [2023-04-02 04:24:37,082 INFO L899 garLoopResultBuilder]: For program point valid_productFINAL(lines 426 434) no Hoare annotation was computed. [2023-04-02 04:24:37,082 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 426 434) the Hoare annotation is: true [2023-04-02 04:24:37,083 INFO L899 garLoopResultBuilder]: For program point L384(lines 384 390) no Hoare annotation was computed. [2023-04-02 04:24:37,083 INFO L895 garLoopResultBuilder]: At program point L382(line 382) the Hoare annotation is: (and (or (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1)) (or (< ~pumpRunning~0 1) (< ~waterLevel~0 2) (= 0 ~systemActive~0))) [2023-04-02 04:24:37,083 INFO L899 garLoopResultBuilder]: For program point L382-1(line 382) no Hoare annotation was computed. [2023-04-02 04:24:37,083 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 393) no Hoare annotation was computed. [2023-04-02 04:24:37,083 INFO L899 garLoopResultBuilder]: For program point L380-1(lines 372 396) no Hoare annotation was computed. [2023-04-02 04:24:37,083 INFO L902 garLoopResultBuilder]: At program point L378(line 378) the Hoare annotation is: true [2023-04-02 04:24:37,083 INFO L899 garLoopResultBuilder]: For program point L378-1(line 378) no Hoare annotation was computed. [2023-04-02 04:24:37,083 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification4_spec__1EXIT(lines 372 396) no Hoare annotation was computed. [2023-04-02 04:24:37,083 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 372 396) the Hoare annotation is: true [2023-04-02 04:24:37,083 INFO L895 garLoopResultBuilder]: At program point L386(line 386) the Hoare annotation is: (and (or (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1)) (or (< ~pumpRunning~0 1) (< ~waterLevel~0 2) (= 0 ~systemActive~0))) [2023-04-02 04:24:37,083 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 517 539) no Hoare annotation was computed. [2023-04-02 04:24:37,083 INFO L895 garLoopResultBuilder]: At program point L529(line 529) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= main_~tmp~7 1))) [2023-04-02 04:24:37,084 INFO L895 garLoopResultBuilder]: At program point L529-1(line 529) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= main_~tmp~7 1))) [2023-04-02 04:24:37,084 INFO L899 garLoopResultBuilder]: For program point L527(lines 527 534) no Hoare annotation was computed. [2023-04-02 04:24:37,084 INFO L899 garLoopResultBuilder]: For program point L527-1(lines 527 534) no Hoare annotation was computed. [2023-04-02 04:24:37,084 INFO L899 garLoopResultBuilder]: For program point L525(line 525) no Hoare annotation was computed. [2023-04-02 04:24:37,084 INFO L899 garLoopResultBuilder]: For program point mainFINAL(lines 517 539) no Hoare annotation was computed. [2023-04-02 04:24:37,084 INFO L895 garLoopResultBuilder]: At program point L524(line 524) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-02 04:24:37,084 INFO L895 garLoopResultBuilder]: At program point L523(line 523) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-02 04:24:37,084 INFO L895 garLoopResultBuilder]: At program point L523-1(line 523) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-02 04:24:37,084 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 517 539) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-02 04:24:37,084 INFO L899 garLoopResultBuilder]: For program point L481(line 481) no Hoare annotation was computed. [2023-04-02 04:24:37,084 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 476 499) no Hoare annotation was computed. [2023-04-02 04:24:37,084 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 476 499) no Hoare annotation was computed. [2023-04-02 04:24:37,084 INFO L899 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2023-04-02 04:24:37,084 INFO L899 garLoopResultBuilder]: For program point L493(line 493) no Hoare annotation was computed. [2023-04-02 04:24:37,085 INFO L899 garLoopResultBuilder]: For program point L492(line 492) no Hoare annotation was computed. [2023-04-02 04:24:37,085 INFO L899 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2023-04-02 04:24:37,085 INFO L899 garLoopResultBuilder]: For program point L490(line 490) no Hoare annotation was computed. [2023-04-02 04:24:37,085 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 476 499) no Hoare annotation was computed. [2023-04-02 04:24:37,085 INFO L899 garLoopResultBuilder]: For program point L489(line 489) no Hoare annotation was computed. [2023-04-02 04:24:37,085 INFO L899 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2023-04-02 04:24:37,085 INFO L899 garLoopResultBuilder]: For program point L487(line 487) no Hoare annotation was computed. [2023-04-02 04:24:37,085 INFO L899 garLoopResultBuilder]: For program point L486(line 486) no Hoare annotation was computed. [2023-04-02 04:24:37,085 INFO L899 garLoopResultBuilder]: For program point L485(line 485) no Hoare annotation was computed. [2023-04-02 04:24:37,085 INFO L899 garLoopResultBuilder]: For program point L484(line 484) no Hoare annotation was computed. [2023-04-02 04:24:37,085 INFO L899 garLoopResultBuilder]: For program point L483(line 483) no Hoare annotation was computed. [2023-04-02 04:24:37,085 INFO L899 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2023-04-02 04:24:37,085 INFO L899 garLoopResultBuilder]: For program point stopSystemEXIT(lines 354 368) no Hoare annotation was computed. [2023-04-02 04:24:37,085 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 354 368) the Hoare annotation is: (let ((.cse3 (= |old(~systemActive~0)| ~systemActive~0))) (let ((.cse2 (< ~waterLevel~0 2)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= ~pumpRunning~0 0) .cse3))) (and (or .cse0 .cse1 .cse2) (or (= |old(~systemActive~0)| 0) (< |old(~pumpRunning~0)| 1) .cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3)) (or (not (= ~waterLevel~0 1)) .cse0 .cse1)))) [2023-04-02 04:24:37,085 INFO L895 garLoopResultBuilder]: At program point L360(line 360) the Hoare annotation is: (and (or (= |old(~systemActive~0)| 0) (< |old(~pumpRunning~0)| 1) (< ~waterLevel~0 2) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~systemActive~0)| ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1))) [2023-04-02 04:24:37,085 INFO L899 garLoopResultBuilder]: For program point L358(lines 358 364) no Hoare annotation was computed. [2023-04-02 04:24:37,085 INFO L899 garLoopResultBuilder]: For program point stopSystemFINAL(lines 354 368) no Hoare annotation was computed. [2023-04-02 04:24:37,086 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 335 353) the Hoare annotation is: true [2023-04-02 04:24:37,086 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 348) no Hoare annotation was computed. [2023-04-02 04:24:37,086 INFO L902 garLoopResultBuilder]: At program point L342(line 342) the Hoare annotation is: true [2023-04-02 04:24:37,086 INFO L899 garLoopResultBuilder]: For program point L344-2(lines 344 348) no Hoare annotation was computed. [2023-04-02 04:24:37,086 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevelEXIT(lines 335 353) no Hoare annotation was computed. [2023-04-02 04:24:37,086 INFO L899 garLoopResultBuilder]: For program point L342-1(line 342) no Hoare annotation was computed. [2023-04-02 04:24:37,086 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevelFINAL(lines 335 353) no Hoare annotation was computed. [2023-04-02 04:24:37,086 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 412 418) no Hoare annotation was computed. [2023-04-02 04:24:37,086 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 412 418) the Hoare annotation is: true [2023-04-02 04:24:37,086 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeFINAL(lines 860 905) no Hoare annotation was computed. [2023-04-02 04:24:37,086 INFO L899 garLoopResultBuilder]: For program point L880(lines 880 887) no Hoare annotation was computed. [2023-04-02 04:24:37,086 INFO L899 garLoopResultBuilder]: For program point L874(lines 874 894) no Hoare annotation was computed. [2023-04-02 04:24:37,086 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 860 905) no Hoare annotation was computed. [2023-04-02 04:24:37,086 INFO L899 garLoopResultBuilder]: For program point L874-1(lines 874 894) no Hoare annotation was computed. [2023-04-02 04:24:37,086 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 860 905) no Hoare annotation was computed. [2023-04-02 04:24:37,086 INFO L899 garLoopResultBuilder]: For program point L990(lines 990 996) no Hoare annotation was computed. [2023-04-02 04:24:37,086 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 986 999) the Hoare annotation is: true [2023-04-02 04:24:37,086 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryEXIT(lines 986 999) no Hoare annotation was computed. [2023-04-02 04:24:37,086 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryFINAL(lines 986 999) no Hoare annotation was computed. [2023-04-02 04:24:37,087 INFO L895 garLoopResultBuilder]: At program point L225(line 225) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (< |old(~pumpRunning~0)| 1) .cse1))) [2023-04-02 04:24:37,087 INFO L899 garLoopResultBuilder]: For program point L225-1(line 225) no Hoare annotation was computed. [2023-04-02 04:24:37,087 INFO L899 garLoopResultBuilder]: For program point L223(lines 223 240) no Hoare annotation was computed. [2023-04-02 04:24:37,087 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 219 243) no Hoare annotation was computed. [2023-04-02 04:24:37,087 INFO L895 garLoopResultBuilder]: At program point L238(line 238) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (< |old(~pumpRunning~0)| 1) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 .cse1))) [2023-04-02 04:24:37,087 INFO L899 garLoopResultBuilder]: For program point L238-1(lines 219 243) no Hoare annotation was computed. [2023-04-02 04:24:37,087 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 219 243) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (< |old(~pumpRunning~0)| 1) .cse1))) [2023-04-02 04:24:37,087 INFO L895 garLoopResultBuilder]: At program point L233(line 233) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (< |old(~pumpRunning~0)| 1) .cse1))) [2023-04-02 04:24:37,087 INFO L895 garLoopResultBuilder]: At program point L229(line 229) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (< |old(~pumpRunning~0)| 1) .cse1))) [2023-04-02 04:24:37,087 INFO L899 garLoopResultBuilder]: For program point L227(lines 227 235) no Hoare annotation was computed. [2023-04-02 04:24:37,087 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 159 165) no Hoare annotation was computed. [2023-04-02 04:24:37,087 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 159 165) the Hoare annotation is: true [2023-04-02 04:24:37,087 INFO L899 garLoopResultBuilder]: For program point L95(lines 95 108) no Hoare annotation was computed. [2023-04-02 04:24:37,088 INFO L895 garLoopResultBuilder]: At program point L87(line 87) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) .cse0 (<= 1 ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (and (<= 1 ~pumpRunning~0) .cse0 (<= 2 ~waterLevel~0) (not (= 0 ~systemActive~0))))) [2023-04-02 04:24:37,088 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 55 120) no Hoare annotation was computed. [2023-04-02 04:24:37,088 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2023-04-02 04:24:37,088 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 85 91) no Hoare annotation was computed. [2023-04-02 04:24:37,088 INFO L895 garLoopResultBuilder]: At program point L110(lines 65 112) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) .cse0 (<= 1 ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (and (<= 1 ~pumpRunning~0) .cse0 (<= 2 ~waterLevel~0) (not (= 0 ~systemActive~0))))) [2023-04-02 04:24:37,088 INFO L895 garLoopResultBuilder]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) .cse0 (<= 1 ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (and (<= 1 ~pumpRunning~0) .cse0 (<= 2 ~waterLevel~0) (not (= 0 ~systemActive~0))))) [2023-04-02 04:24:37,088 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 81) no Hoare annotation was computed. [2023-04-02 04:24:37,088 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2023-04-02 04:24:37,088 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 55 120) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-02 04:24:37,088 INFO L899 garLoopResultBuilder]: For program point L67(lines 67 71) no Hoare annotation was computed. [2023-04-02 04:24:37,088 INFO L895 garLoopResultBuilder]: At program point L113(lines 64 114) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-02 04:24:37,088 INFO L895 garLoopResultBuilder]: At program point L103(line 103) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) .cse0 (<= 1 ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (and (<= 1 ~pumpRunning~0) .cse0 (<= 2 ~waterLevel~0) (not (= 0 ~systemActive~0))))) [2023-04-02 04:24:37,088 INFO L899 garLoopResultBuilder]: For program point L101(lines 101 107) no Hoare annotation was computed. [2023-04-02 04:24:37,089 INFO L895 garLoopResultBuilder]: At program point L101-1(lines 95 108) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) .cse0 (<= 1 ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (and (<= 1 ~pumpRunning~0) .cse0 (<= 2 ~waterLevel~0) (not (= 0 ~systemActive~0))))) [2023-04-02 04:24:37,089 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 55 120) no Hoare annotation was computed. [2023-04-02 04:24:37,089 INFO L899 garLoopResultBuilder]: For program point L66(lines 65 112) no Hoare annotation was computed. [2023-04-02 04:24:37,089 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDryFINAL(lines 1000 1008) no Hoare annotation was computed. [2023-04-02 04:24:37,089 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1000 1008) the Hoare annotation is: true [2023-04-02 04:24:37,089 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDryEXIT(lines 1000 1008) no Hoare annotation was computed. [2023-04-02 04:24:37,089 INFO L899 garLoopResultBuilder]: For program point L962-2(lines 962 970) no Hoare annotation was computed. [2023-04-02 04:24:37,089 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 954 976) no Hoare annotation was computed. [2023-04-02 04:24:37,089 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 954 976) no Hoare annotation was computed. [2023-04-02 04:24:37,089 INFO L899 garLoopResultBuilder]: For program point printEnvironmentFINAL(lines 954 976) no Hoare annotation was computed. [2023-04-02 04:24:37,089 INFO L899 garLoopResultBuilder]: For program point L962(lines 962 970) no Hoare annotation was computed. [2023-04-02 04:24:37,089 INFO L899 garLoopResultBuilder]: For program point activatePumpFINAL(lines 244 251) no Hoare annotation was computed. [2023-04-02 04:24:37,089 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 244 251) no Hoare annotation was computed. [2023-04-02 04:24:37,090 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 244 251) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (= 0 ~systemActive~0)) [2023-04-02 04:24:37,090 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelEXIT(lines 316 334) no Hoare annotation was computed. [2023-04-02 04:24:37,090 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 316 334) the Hoare annotation is: true [2023-04-02 04:24:37,090 INFO L899 garLoopResultBuilder]: For program point L325(lines 325 329) no Hoare annotation was computed. [2023-04-02 04:24:37,090 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelFINAL(lines 316 334) no Hoare annotation was computed. [2023-04-02 04:24:37,090 INFO L902 garLoopResultBuilder]: At program point L323(line 323) the Hoare annotation is: true [2023-04-02 04:24:37,090 INFO L899 garLoopResultBuilder]: For program point L325-2(lines 325 329) no Hoare annotation was computed. [2023-04-02 04:24:37,090 INFO L899 garLoopResultBuilder]: For program point L323-1(line 323) no Hoare annotation was computed. [2023-04-02 04:24:37,090 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 977 985) the Hoare annotation is: true [2023-04-02 04:24:37,090 INFO L899 garLoopResultBuilder]: For program point getWaterLevelFINAL(lines 977 985) no Hoare annotation was computed. [2023-04-02 04:24:37,090 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 977 985) no Hoare annotation was computed. [2023-04-02 04:24:37,090 INFO L895 garLoopResultBuilder]: At program point L148(line 148) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (< |old(~waterLevel~0)| 2) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (<= ~waterLevel~0 |old(~waterLevel~0)|)) (< |old(~pumpRunning~0)| 1) .cse0) (or (not (= |old(~pumpRunning~0)| 0)) (< |old(~waterLevel~0)| 1) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (not .cse0))))) [2023-04-02 04:24:37,091 INFO L895 garLoopResultBuilder]: At program point L146(lines 146 152) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0))) (and (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (not (= |old(~pumpRunning~0)| 0)) (< |old(~waterLevel~0)| 1) (and .cse0 .cse1) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse1 (not .cse2)))) (or (and .cse0 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (<= ~waterLevel~0 |old(~waterLevel~0)|)) (< |old(~waterLevel~0)| 2) (< |old(~pumpRunning~0)| 1) .cse2))) [2023-04-02 04:24:37,091 INFO L895 garLoopResultBuilder]: At program point L141(line 141) the Hoare annotation is: (let ((.cse1 (< |old(~waterLevel~0)| 2)) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1) (or .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (< |old(~pumpRunning~0)| 1) (= 0 ~systemActive~0)) (or .cse0 (not (= |old(~waterLevel~0)| 1))))) [2023-04-02 04:24:37,091 INFO L899 garLoopResultBuilder]: For program point L139(lines 138 157) no Hoare annotation was computed. [2023-04-02 04:24:37,091 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 135 158) no Hoare annotation was computed. [2023-04-02 04:24:37,091 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 135 158) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (< |old(~waterLevel~0)| 1) (and (= ~pumpRunning~0 0) .cse0)) (or (< |old(~waterLevel~0)| 2) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (< |old(~pumpRunning~0)| 1) (= 0 ~systemActive~0)))) [2023-04-02 04:24:37,091 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 135 158) no Hoare annotation was computed. [2023-04-02 04:24:37,091 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 446 475) no Hoare annotation was computed. [2023-04-02 04:24:37,091 INFO L902 garLoopResultBuilder]: At program point L471(lines 446 475) the Hoare annotation is: true [2023-04-02 04:24:37,091 INFO L899 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2023-04-02 04:24:37,091 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 464) no Hoare annotation was computed. [2023-04-02 04:24:37,091 INFO L902 garLoopResultBuilder]: At program point L460-1(lines 460 464) the Hoare annotation is: true [2023-04-02 04:24:37,091 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 446 475) the Hoare annotation is: true [2023-04-02 04:24:37,091 INFO L899 garLoopResultBuilder]: For program point L457(line 457) no Hoare annotation was computed. [2023-04-02 04:24:37,091 INFO L902 garLoopResultBuilder]: At program point L456-2(lines 456 470) the Hoare annotation is: true [2023-04-02 04:24:37,091 INFO L902 garLoopResultBuilder]: At program point L452(line 452) the Hoare annotation is: true [2023-04-02 04:24:37,091 INFO L899 garLoopResultBuilder]: For program point L452-1(line 452) no Hoare annotation was computed. [2023-04-02 04:24:37,091 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 945 953) the Hoare annotation is: true [2023-04-02 04:24:37,092 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 945 953) no Hoare annotation was computed. [2023-04-02 04:24:37,092 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 945 953) no Hoare annotation was computed. [2023-04-02 04:24:37,092 INFO L899 garLoopResultBuilder]: For program point L913-1(lines 909 920) no Hoare annotation was computed. [2023-04-02 04:24:37,092 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 909 920) no Hoare annotation was computed. [2023-04-02 04:24:37,092 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 909 920) the Hoare annotation is: (or (< ~pumpRunning~0 1) (< |old(~waterLevel~0)| 2) (= |old(~waterLevel~0)| ~waterLevel~0) (= 0 ~systemActive~0)) [2023-04-02 04:24:37,092 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 167 191) no Hoare annotation was computed. [2023-04-02 04:24:37,092 INFO L895 garLoopResultBuilder]: At program point L186(line 186) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (= 0 ~systemActive~0)) [2023-04-02 04:24:37,092 INFO L899 garLoopResultBuilder]: For program point L186-1(lines 167 191) no Hoare annotation was computed. [2023-04-02 04:24:37,092 INFO L895 garLoopResultBuilder]: At program point L181(line 181) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (= 0 ~systemActive~0) (and (= ~pumpRunning~0 0) (= processEnvironment__wrappee__highWaterSensor_~tmp~1 0))) [2023-04-02 04:24:37,092 INFO L895 garLoopResultBuilder]: At program point L177(line 177) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (and (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0)) (= 0 ~systemActive~0)) [2023-04-02 04:24:37,092 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 183) no Hoare annotation was computed. [2023-04-02 04:24:37,092 INFO L895 garLoopResultBuilder]: At program point L173(line 173) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (< ~waterLevel~0 1) (= 0 ~systemActive~0)) [2023-04-02 04:24:37,092 INFO L899 garLoopResultBuilder]: For program point L173-1(line 173) no Hoare annotation was computed. [2023-04-02 04:24:37,092 INFO L899 garLoopResultBuilder]: For program point L171(lines 171 188) no Hoare annotation was computed. [2023-04-02 04:24:37,092 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 167 191) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (< ~waterLevel~0 1) (= 0 ~systemActive~0)) [2023-04-02 04:24:37,092 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 921 932) no Hoare annotation was computed. [2023-04-02 04:24:37,092 INFO L899 garLoopResultBuilder]: For program point L925-1(lines 921 932) no Hoare annotation was computed. [2023-04-02 04:24:37,093 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 921 932) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (< |old(~waterLevel~0)| 1) (not (= ~pumpRunning~0 0)) .cse0) (or (< ~pumpRunning~0 1) (< |old(~waterLevel~0)| 2) .cse0 (= 0 ~systemActive~0)))) [2023-04-02 04:24:37,093 INFO L899 garLoopResultBuilder]: For program point __automaton_failFINAL(lines 436 443) no Hoare annotation was computed. [2023-04-02 04:24:37,093 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 436 443) the Hoare annotation is: true [2023-04-02 04:24:37,093 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 440) no Hoare annotation was computed. [2023-04-02 04:24:37,093 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 436 443) no Hoare annotation was computed. [2023-04-02 04:24:37,093 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 193 217) no Hoare annotation was computed. [2023-04-02 04:24:37,093 INFO L895 garLoopResultBuilder]: At program point L212(line 212) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (< |old(~pumpRunning~0)| 1) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 .cse1))) [2023-04-02 04:24:37,093 INFO L899 garLoopResultBuilder]: For program point L212-1(lines 193 217) no Hoare annotation was computed. [2023-04-02 04:24:37,093 INFO L895 garLoopResultBuilder]: At program point L207(line 207) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or .cse0 (< |old(~pumpRunning~0)| 1) .cse1))) [2023-04-02 04:24:37,093 INFO L895 garLoopResultBuilder]: At program point L203(line 203) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 processEnvironment__wrappee__lowWaterSensor_~tmp~2)) (< |old(~pumpRunning~0)| 1) .cse1))) [2023-04-02 04:24:37,093 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 193 217) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (< |old(~pumpRunning~0)| 1) .cse1))) [2023-04-02 04:24:37,093 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 209) no Hoare annotation was computed. [2023-04-02 04:24:37,093 INFO L895 garLoopResultBuilder]: At program point L199(line 199) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (< |old(~pumpRunning~0)| 1) .cse1))) [2023-04-02 04:24:37,093 INFO L899 garLoopResultBuilder]: For program point L199-1(line 199) no Hoare annotation was computed. [2023-04-02 04:24:37,093 INFO L899 garLoopResultBuilder]: For program point L197(lines 197 214) no Hoare annotation was computed. [2023-04-02 04:24:37,094 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 419 425) the Hoare annotation is: true [2023-04-02 04:24:37,094 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 419 425) no Hoare annotation was computed. [2023-04-02 04:24:37,094 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 271 279) no Hoare annotation was computed. [2023-04-02 04:24:37,094 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 271 279) no Hoare annotation was computed. [2023-04-02 04:24:37,094 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 271 279) the Hoare annotation is: true [2023-04-02 04:24:37,094 INFO L899 garLoopResultBuilder]: For program point L287(lines 287 295) no Hoare annotation was computed. [2023-04-02 04:24:37,094 INFO L899 garLoopResultBuilder]: For program point L287-2(lines 287 295) no Hoare annotation was computed. [2023-04-02 04:24:37,094 INFO L899 garLoopResultBuilder]: For program point L310(line 310) no Hoare annotation was computed. [2023-04-02 04:24:37,094 INFO L899 garLoopResultBuilder]: For program point L310-1(line 310) no Hoare annotation was computed. [2023-04-02 04:24:37,094 INFO L899 garLoopResultBuilder]: For program point printPumpFINAL(lines 280 315) no Hoare annotation was computed. [2023-04-02 04:24:37,094 INFO L899 garLoopResultBuilder]: For program point L299(lines 299 307) no Hoare annotation was computed. [2023-04-02 04:24:37,094 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 280 315) no Hoare annotation was computed. [2023-04-02 04:24:37,094 INFO L899 garLoopResultBuilder]: For program point L299-2(lines 299 307) no Hoare annotation was computed. [2023-04-02 04:24:37,094 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 280 315) no Hoare annotation was computed. [2023-04-02 04:24:37,094 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 547 592) no Hoare annotation was computed. [2023-04-02 04:24:37,094 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 547 592) no Hoare annotation was computed. [2023-04-02 04:24:37,094 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setFINAL(lines 547 592) no Hoare annotation was computed. [2023-04-02 04:24:37,094 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 507 516) no Hoare annotation was computed. [2023-04-02 04:24:37,095 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 507 516) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-02 04:24:37,095 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 507 516) no Hoare annotation was computed. [2023-04-02 04:24:37,095 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 260 270) no Hoare annotation was computed. [2023-04-02 04:24:37,095 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 260 270) the Hoare annotation is: true [2023-04-02 04:24:37,095 INFO L902 garLoopResultBuilder]: At program point L265(line 265) the Hoare annotation is: true [2023-04-02 04:24:37,095 INFO L899 garLoopResultBuilder]: For program point L265-1(line 265) no Hoare annotation was computed. [2023-04-02 04:24:37,095 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 260 270) no Hoare annotation was computed. [2023-04-02 04:24:37,095 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 252 259) no Hoare annotation was computed. [2023-04-02 04:24:37,095 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 252 259) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (< ~waterLevel~0 1) (< |old(~pumpRunning~0)| 1) (= 0 ~systemActive~0)) [2023-04-02 04:24:37,095 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 252 259) no Hoare annotation was computed. [2023-04-02 04:24:37,095 INFO L899 garLoopResultBuilder]: For program point L828(lines 828 848) no Hoare annotation was computed. [2023-04-02 04:24:37,095 INFO L899 garLoopResultBuilder]: For program point L828-1(lines 828 848) no Hoare annotation was computed. [2023-04-02 04:24:37,095 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 814 859) no Hoare annotation was computed. [2023-04-02 04:24:37,095 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argFINAL(lines 814 859) no Hoare annotation was computed. [2023-04-02 04:24:37,095 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 814 859) no Hoare annotation was computed. [2023-04-02 04:24:37,095 INFO L899 garLoopResultBuilder]: For program point L834(lines 834 841) no Hoare annotation was computed. [2023-04-02 04:24:37,095 INFO L899 garLoopResultBuilder]: For program point select_oneFINAL(lines 402 411) no Hoare annotation was computed. [2023-04-02 04:24:37,096 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 402 411) no Hoare annotation was computed. [2023-04-02 04:24:37,096 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 402 411) no Hoare annotation was computed. [2023-04-02 04:24:37,096 INFO L899 garLoopResultBuilder]: For program point L735(lines 735 739) no Hoare annotation was computed. [2023-04-02 04:24:37,096 INFO L899 garLoopResultBuilder]: For program point L799(lines 799 810) no Hoare annotation was computed. [2023-04-02 04:24:37,096 INFO L899 garLoopResultBuilder]: For program point L762(lines 762 766) no Hoare annotation was computed. [2023-04-02 04:24:37,096 INFO L899 garLoopResultBuilder]: For program point L760-2(lines 760 780) no Hoare annotation was computed. [2023-04-02 04:24:37,096 INFO L899 garLoopResultBuilder]: For program point L781(lines 759 782) no Hoare annotation was computed. [2023-04-02 04:24:37,096 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 711 813) no Hoare annotation was computed. [2023-04-02 04:24:37,096 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 711 813) no Hoare annotation was computed. [2023-04-02 04:24:37,096 INFO L899 garLoopResultBuilder]: For program point L740(lines 740 756) no Hoare annotation was computed. [2023-04-02 04:24:37,096 INFO L899 garLoopResultBuilder]: For program point L800(lines 800 807) no Hoare annotation was computed. [2023-04-02 04:24:37,096 INFO L899 garLoopResultBuilder]: For program point L761(lines 760 780) no Hoare annotation was computed. [2023-04-02 04:24:37,096 INFO L899 garLoopResultBuilder]: For program point L792(line 792) no Hoare annotation was computed. [2023-04-02 04:24:37,096 INFO L899 garLoopResultBuilder]: For program point L792-1(line 792) no Hoare annotation was computed. [2023-04-02 04:24:37,096 INFO L899 garLoopResultBuilder]: For program point L757(lines 757 798) no Hoare annotation was computed. [2023-04-02 04:24:37,096 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 711 813) no Hoare annotation was computed. [2023-04-02 04:24:37,096 INFO L899 garLoopResultBuilder]: For program point L776(line 776) no Hoare annotation was computed. [2023-04-02 04:24:37,096 INFO L899 garLoopResultBuilder]: For program point L776-1(line 776) no Hoare annotation was computed. [2023-04-02 04:24:37,096 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:24:37,097 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~head~0.base)| ~head~0.base) (= ~head~0.offset |old(~head~0.offset)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~systemActive~0)| ~systemActive~0) (= |old(#NULL.base)| |#NULL.base|)) [2023-04-02 04:24:37,097 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:24:37,097 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 933 944) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (< ~pumpRunning~0 1) .cse0 (< ~waterLevel~0 2) (= 0 ~systemActive~0)) (or (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1) .cse0))) [2023-04-02 04:24:37,097 INFO L899 garLoopResultBuilder]: For program point L937-1(lines 933 944) no Hoare annotation was computed. [2023-04-02 04:24:37,097 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 933 944) no Hoare annotation was computed. [2023-04-02 04:24:37,097 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:24:37,097 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:24:37,097 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-02 04:24:37,097 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 500 506) no Hoare annotation was computed. [2023-04-02 04:24:37,097 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 500 506) the Hoare annotation is: true [2023-04-02 04:24:37,097 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:24:37,097 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-04-02 04:24:37,097 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:24:37,097 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-02 04:24:37,100 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:24:37,101 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-02 04:24:37,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.04 04:24:37 BoogieIcfgContainer [2023-04-02 04:24:37,111 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-02 04:24:37,111 INFO L158 Benchmark]: Toolchain (without parser) took 32936.88ms. Allocated memory was 199.2MB in the beginning and 974.1MB in the end (delta: 774.9MB). Free memory was 149.3MB in the beginning and 437.5MB in the end (delta: -288.3MB). Peak memory consumption was 585.8MB. Max. memory is 8.0GB. [2023-04-02 04:24:37,112 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 199.2MB. Free memory is still 147.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-02 04:24:37,112 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.38ms. Allocated memory is still 199.2MB. Free memory was 149.0MB in the beginning and 130.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-04-02 04:24:37,112 INFO L158 Benchmark]: Boogie Preprocessor took 70.33ms. Allocated memory is still 199.2MB. Free memory was 130.1MB in the beginning and 126.5MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-04-02 04:24:37,112 INFO L158 Benchmark]: RCFGBuilder took 692.88ms. Allocated memory was 199.2MB in the beginning and 270.5MB in the end (delta: 71.3MB). Free memory was 126.5MB in the beginning and 224.2MB in the end (delta: -97.7MB). Peak memory consumption was 37.3MB. Max. memory is 8.0GB. [2023-04-02 04:24:37,112 INFO L158 Benchmark]: TraceAbstraction took 31847.22ms. Allocated memory was 270.5MB in the beginning and 974.1MB in the end (delta: 703.6MB). Free memory was 223.7MB in the beginning and 437.5MB in the end (delta: -213.8MB). Peak memory consumption was 588.4MB. Max. memory is 8.0GB. [2023-04-02 04:24:37,113 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 199.2MB. Free memory is still 147.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 322.38ms. Allocated memory is still 199.2MB. Free memory was 149.0MB in the beginning and 130.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 70.33ms. Allocated memory is still 199.2MB. Free memory was 130.1MB in the beginning and 126.5MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 692.88ms. Allocated memory was 199.2MB in the beginning and 270.5MB in the end (delta: 71.3MB). Free memory was 126.5MB in the beginning and 224.2MB in the end (delta: -97.7MB). Peak memory consumption was 37.3MB. Max. memory is 8.0GB. * TraceAbstraction took 31847.22ms. Allocated memory was 270.5MB in the beginning and 974.1MB in the end (delta: 703.6MB). Free memory was 223.7MB in the beginning and 437.5MB in the end (delta: -213.8MB). Peak memory consumption was 588.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 440]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 31.8s, OverallIterations: 11, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 12.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 12.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5375 SdHoareTripleChecker+Valid, 7.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5212 mSDsluCounter, 3056 SdHoareTripleChecker+Invalid, 6.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2478 mSDsCounter, 3012 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12680 IncrementalHoareTripleChecker+Invalid, 15692 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3012 mSolverCounterUnsat, 578 mSDtfsCounter, 12680 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2098 GetRequests, 1806 SyntacticMatches, 28 SemanticMatches, 264 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3888 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2437occurred in iteration=10, InterpolantAutomatonStates: 212, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 1078 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 4961 PreInvPairs, 5136 NumberOfFragments, 1172 HoareAnnotationTreeSize, 4961 FomulaSimplifications, 202484 FormulaSimplificationTreeSizeReduction, 9.7s HoareSimplificationTime, 69 FomulaSimplificationsInter, 26564 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 2250 NumberOfCodeBlocks, 2250 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2619 ConstructedInterpolants, 0 QuantifiedInterpolants, 4579 SizeOfPredicates, 14 NumberOfNonLiveVariables, 3260 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 20 InterpolantComputations, 8 PerfectInterpolantSequences, 805/917 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1) - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || ((pumpRunning == 0 && splverifierCounter == 0) && 1 <= waterLevel)) || !(\old(systemActive) == 1)) || (((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && !(0 == systemActive)) RESULT: Ultimate proved your program to be correct! [2023-04-02 04:24:37,145 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...