/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_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 04:23:03,606 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 04:23:03,607 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 04:23:03,626 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 04:23:03,627 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 04:23:03,627 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 04:23:03,628 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 04:23:03,630 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 04:23:03,631 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 04:23:03,631 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 04:23:03,632 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 04:23:03,633 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 04:23:03,633 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 04:23:03,634 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 04:23:03,634 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 04:23:03,635 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 04:23:03,635 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 04:23:03,636 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 04:23:03,637 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 04:23:03,638 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 04:23:03,639 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 04:23:03,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 04:23:03,641 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 04:23:03,642 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 04:23:03,644 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 04:23:03,644 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 04:23:03,645 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 04:23:03,645 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 04:23:03,646 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 04:23:03,646 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 04:23:03,647 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 04:23:03,647 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 04:23:03,648 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 04:23:03,648 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 04:23:03,649 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 04:23:03,649 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 04:23:03,650 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 04:23:03,650 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 04:23:03,650 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 04:23:03,651 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 04:23:03,652 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 04:23:03,652 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 04:23:03,667 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 04:23:03,667 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 04:23:03,667 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 04:23:03,667 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 04:23:03,668 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 04:23:03,668 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 04:23:03,668 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 04:23:03,668 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 04:23:03,668 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 04:23:03,669 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 04:23:03,669 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 04:23:03,669 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 04:23:03,669 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 04:23:03,669 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 04:23:03,669 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 04:23:03,670 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 04:23:03,670 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 04:23:03,670 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 04:23:03,670 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 04:23:03,670 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 04:23:03,670 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 04:23:03,670 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 04:23:03,671 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 04:23:03,671 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 04:23:03,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 04:23:03,671 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 04:23:03,671 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 04:23:03,671 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 04:23:03,671 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 04:23:03,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 04:23:03,672 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 04:23:03,672 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 04:23:03,672 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 04:23:03,672 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 04:23:03,672 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 04:23:03,672 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 04:23:03,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 04:23:03,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 04:23:03,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 04:23:03,830 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 04:23:03,830 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 04:23:03,831 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product22.cil.c [2023-04-02 04:23:04,922 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 04:23:05,105 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 04:23:05,105 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product22.cil.c [2023-04-02 04:23:05,113 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffa58c4f2/de3b9563343949deb9a42d6acd245cb5/FLAG3e0bdffdf [2023-04-02 04:23:05,122 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffa58c4f2/de3b9563343949deb9a42d6acd245cb5 [2023-04-02 04:23:05,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 04:23:05,128 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 04:23:05,129 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 04:23:05,129 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 04:23:05,144 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 04:23:05,145 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 04:23:05" (1/1) ... [2023-04-02 04:23:05,146 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44e2d3e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:05, skipping insertion in model container [2023-04-02 04:23:05,146 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 04:23:05" (1/1) ... [2023-04-02 04:23:05,151 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 04:23:05,180 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 04:23:05,325 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_product22.cil.c[8015,8028] [2023-04-02 04:23:05,401 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 04:23:05,416 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 04:23:05,447 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_product22.cil.c[8015,8028] [2023-04-02 04:23:05,467 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 04:23:05,479 INFO L208 MainTranslator]: Completed translation [2023-04-02 04:23:05,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:05 WrapperNode [2023-04-02 04:23:05,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 04:23:05,482 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 04:23:05,482 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 04:23:05,482 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 04:23:05,491 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:05" (1/1) ... [2023-04-02 04:23:05,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:05" (1/1) ... [2023-04-02 04:23:05,500 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:05" (1/1) ... [2023-04-02 04:23:05,500 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:05" (1/1) ... [2023-04-02 04:23:05,514 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:05" (1/1) ... [2023-04-02 04:23:05,519 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:05" (1/1) ... [2023-04-02 04:23:05,522 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:05" (1/1) ... [2023-04-02 04:23:05,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:05" (1/1) ... [2023-04-02 04:23:05,527 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 04:23:05,527 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 04:23:05,527 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 04:23:05,528 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 04:23:05,528 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:05" (1/1) ... [2023-04-02 04:23:05,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 04:23:05,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:23:05,558 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 04:23:05,563 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 04:23:05,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 04:23:05,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 04:23:05,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-02 04:23:05,588 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 04:23:05,588 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-02 04:23:05,588 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-02 04:23:05,588 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-02 04:23:05,588 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-02 04:23:05,588 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-02 04:23:05,588 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-02 04:23:05,588 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2023-04-02 04:23:05,588 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-02 04:23:05,589 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-02 04:23:05,589 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-02 04:23:05,589 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-02 04:23:05,589 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-02 04:23:05,589 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-04-02 04:23:05,589 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2023-04-02 04:23:05,589 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-02 04:23:05,589 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-02 04:23:05,589 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-02 04:23:05,589 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-02 04:23:05,589 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-02 04:23:05,589 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-02 04:23:05,589 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2023-04-02 04:23:05,589 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2023-04-02 04:23:05,590 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-02 04:23:05,590 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-02 04:23:05,590 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-02 04:23:05,590 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-02 04:23:05,590 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-02 04:23:05,590 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 04:23:05,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-02 04:23:05,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2023-04-02 04:23:05,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-02 04:23:05,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-02 04:23:05,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-02 04:23:05,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-02 04:23:05,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-02 04:23:05,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-02 04:23:05,591 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 04:23:05,591 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 04:23:05,591 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 04:23:05,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 04:23:05,591 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 04:23:05,591 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-02 04:23:05,591 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-02 04:23:05,591 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-02 04:23:05,591 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-02 04:23:05,591 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-02 04:23:05,592 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-02 04:23:05,592 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-02 04:23:05,592 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2023-04-02 04:23:05,592 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-02 04:23:05,592 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-02 04:23:05,592 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-02 04:23:05,592 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-02 04:23:05,592 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-02 04:23:05,592 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-02 04:23:05,592 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-02 04:23:05,593 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-02 04:23:05,593 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-02 04:23:05,593 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2023-04-02 04:23:05,593 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2023-04-02 04:23:05,593 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-02 04:23:05,593 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-04-02 04:23:05,593 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2023-04-02 04:23:05,593 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2023-04-02 04:23:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-02 04:23:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-02 04:23:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-02 04:23:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-02 04:23:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-02 04:23:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-02 04:23:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 04:23:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-02 04:23:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 04:23:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 04:23:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-02 04:23:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 04:23:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 04:23:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 04:23:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 04:23:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-02 04:23:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 04:23:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-02 04:23:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-02 04:23:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 04:23:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-02 04:23:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-02 04:23:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-02 04:23:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 04:23:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 04:23:05,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 04:23:05,740 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 04:23:05,742 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 04:23:06,138 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 04:23:06,149 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 04:23:06,149 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-02 04:23:06,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 04:23:06 BoogieIcfgContainer [2023-04-02 04:23:06,151 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 04:23:06,153 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 04:23:06,153 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 04:23:06,155 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 04:23:06,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 04:23:05" (1/3) ... [2023-04-02 04:23:06,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@185d8366 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 04:23:06, skipping insertion in model container [2023-04-02 04:23:06,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:05" (2/3) ... [2023-04-02 04:23:06,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@185d8366 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 04:23:06, skipping insertion in model container [2023-04-02 04:23:06,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 04:23:06" (3/3) ... [2023-04-02 04:23:06,157 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product22.cil.c [2023-04-02 04:23:06,172 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 04:23:06,172 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 04:23:06,219 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 04:23:06,224 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;@cceb3db, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 04:23:06,224 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 04:23:06,227 INFO L276 IsEmpty]: Start isEmpty. Operand has 169 states, 92 states have (on average 1.2934782608695652) internal successors, (119), 105 states have internal predecessors, (119), 46 states have call successors, (46), 28 states have call predecessors, (46), 28 states have return successors, (46), 42 states have call predecessors, (46), 46 states have call successors, (46) [2023-04-02 04:23:06,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-04-02 04:23:06,234 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:23:06,234 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 04:23:06,235 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:23:06,238 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:23:06,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1421468640, now seen corresponding path program 1 times [2023-04-02 04:23:06,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:23:06,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977257468] [2023-04-02 04:23:06,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:23:06,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:23:06,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:06,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:23:06,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:06,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:23:06,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:06,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:23:06,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:06,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:23:06,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:06,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:23:06,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:06,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-04-02 04:23:06,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:06,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 04:23:06,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:06,537 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 04:23:06,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:23:06,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977257468] [2023-04-02 04:23:06,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977257468] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:23:06,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:23:06,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-02 04:23:06,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396256376] [2023-04-02 04:23:06,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:23:06,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 04:23:06,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:23:06,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 04:23:06,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-02 04:23:06,586 INFO L87 Difference]: Start difference. First operand has 169 states, 92 states have (on average 1.2934782608695652) internal successors, (119), 105 states have internal predecessors, (119), 46 states have call successors, (46), 28 states have call predecessors, (46), 28 states have return successors, (46), 42 states have call predecessors, (46), 46 states have call successors, (46) 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 04:23:07,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:23:07,000 INFO L93 Difference]: Finished difference Result 294 states and 384 transitions. [2023-04-02 04:23:07,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 04:23:07,003 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 04:23:07,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:23:07,018 INFO L225 Difference]: With dead ends: 294 [2023-04-02 04:23:07,018 INFO L226 Difference]: Without dead ends: 159 [2023-04-02 04:23:07,023 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 04:23:07,028 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 91 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-02 04:23:07,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 21 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-02 04:23:07,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2023-04-02 04:23:07,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 126. [2023-04-02 04:23:07,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 73 states have (on average 1.2328767123287672) internal successors, (90), 83 states have internal predecessors, (90), 31 states have call successors, (31), 26 states have call predecessors, (31), 21 states have return successors, (26), 22 states have call predecessors, (26), 26 states have call successors, (26) [2023-04-02 04:23:07,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 147 transitions. [2023-04-02 04:23:07,116 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 147 transitions. Word has length 46 [2023-04-02 04:23:07,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:23:07,117 INFO L495 AbstractCegarLoop]: Abstraction has 126 states and 147 transitions. [2023-04-02 04:23:07,117 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 04:23:07,117 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 147 transitions. [2023-04-02 04:23:07,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-04-02 04:23:07,119 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:23:07,119 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 04:23:07,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 04:23:07,120 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:23:07,120 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:23:07,121 INFO L85 PathProgramCache]: Analyzing trace with hash -450945911, now seen corresponding path program 1 times [2023-04-02 04:23:07,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:23:07,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543448610] [2023-04-02 04:23:07,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:23:07,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:23:07,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:07,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:23:07,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:07,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:23:07,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:07,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:23:07,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:07,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:23:07,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:07,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:23:07,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:07,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-04-02 04:23:07,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:07,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 04:23:07,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:07,228 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 04:23:07,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:23:07,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543448610] [2023-04-02 04:23:07,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543448610] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:23:07,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:23:07,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-02 04:23:07,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24035386] [2023-04-02 04:23:07,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:23:07,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-02 04:23:07,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:23:07,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-02 04:23:07,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-02 04:23:07,260 INFO L87 Difference]: Start difference. First operand 126 states and 147 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 04:23:07,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:23:07,615 INFO L93 Difference]: Finished difference Result 223 states and 271 transitions. [2023-04-02 04:23:07,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-02 04:23:07,615 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 04:23:07,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:23:07,621 INFO L225 Difference]: With dead ends: 223 [2023-04-02 04:23:07,621 INFO L226 Difference]: Without dead ends: 143 [2023-04-02 04:23:07,626 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 04:23:07,627 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 101 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-02 04:23:07,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 28 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-02 04:23:07,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2023-04-02 04:23:07,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 117. [2023-04-02 04:23:07,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 67 states have (on average 1.2388059701492538) internal successors, (83), 77 states have internal predecessors, (83), 28 states have call successors, (28), 25 states have call predecessors, (28), 21 states have return successors, (24), 20 states have call predecessors, (24), 24 states have call successors, (24) [2023-04-02 04:23:07,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 135 transitions. [2023-04-02 04:23:07,648 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 135 transitions. Word has length 47 [2023-04-02 04:23:07,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:23:07,648 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 135 transitions. [2023-04-02 04:23:07,648 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 04:23:07,648 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2023-04-02 04:23:07,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-04-02 04:23:07,649 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:23:07,650 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] [2023-04-02 04:23:07,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 04:23:07,650 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:23:07,650 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:23:07,650 INFO L85 PathProgramCache]: Analyzing trace with hash -901576064, now seen corresponding path program 1 times [2023-04-02 04:23:07,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:23:07,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024224653] [2023-04-02 04:23:07,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:23:07,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:23:07,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:07,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:23:07,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:07,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:23:07,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:07,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:23:07,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:07,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:23:07,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:07,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:23:07,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:07,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 04:23:07,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:07,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-04-02 04:23:07,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:07,821 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 04:23:07,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:23:07,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024224653] [2023-04-02 04:23:07,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024224653] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:23:07,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:23:07,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 04:23:07,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992669994] [2023-04-02 04:23:07,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:23:07,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 04:23:07,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:23:07,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 04:23:07,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-04-02 04:23:07,823 INFO L87 Difference]: Start difference. First operand 117 states and 135 transitions. Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 6 states have internal predecessors, (32), 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 04:23:08,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:23:08,272 INFO L93 Difference]: Finished difference Result 236 states and 289 transitions. [2023-04-02 04:23:08,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-02 04:23:08,273 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 6 states have internal predecessors, (32), 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 52 [2023-04-02 04:23:08,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:23:08,276 INFO L225 Difference]: With dead ends: 236 [2023-04-02 04:23:08,276 INFO L226 Difference]: Without dead ends: 143 [2023-04-02 04:23:08,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2023-04-02 04:23:08,278 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 186 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 558 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-02 04:23:08,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 33 Invalid, 657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 558 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-02 04:23:08,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2023-04-02 04:23:08,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 117. [2023-04-02 04:23:08,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 67 states have (on average 1.2238805970149254) internal successors, (82), 76 states have internal predecessors, (82), 28 states have call successors, (28), 25 states have call predecessors, (28), 21 states have return successors, (24), 20 states have call predecessors, (24), 24 states have call successors, (24) [2023-04-02 04:23:08,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 134 transitions. [2023-04-02 04:23:08,300 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 134 transitions. Word has length 52 [2023-04-02 04:23:08,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:23:08,300 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 134 transitions. [2023-04-02 04:23:08,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 6 states have internal predecessors, (32), 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 04:23:08,300 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 134 transitions. [2023-04-02 04:23:08,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-04-02 04:23:08,301 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:23:08,302 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, 1, 1, 1, 1] [2023-04-02 04:23:08,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 04:23:08,302 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:23:08,302 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:23:08,302 INFO L85 PathProgramCache]: Analyzing trace with hash -1438291476, now seen corresponding path program 1 times [2023-04-02 04:23:08,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:23:08,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927664423] [2023-04-02 04:23:08,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:23:08,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:23:08,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:08,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:23:08,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:08,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:23:08,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:08,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:23:08,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:08,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:23:08,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:08,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:23:08,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:08,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 04:23:08,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:08,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:23:08,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:08,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:23:08,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:08,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 04:23:08,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:08,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-04-02 04:23:08,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:08,564 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 04:23:08,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:23:08,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927664423] [2023-04-02 04:23:08,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927664423] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:23:08,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:23:08,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 04:23:08,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851653030] [2023-04-02 04:23:08,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:23:08,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 04:23:08,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:23:08,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 04:23:08,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2023-04-02 04:23:08,568 INFO L87 Difference]: Start difference. First operand 117 states and 134 transitions. Second operand has 12 states, 12 states have (on average 3.25) internal successors, (39), 8 states have internal predecessors, (39), 4 states have call successors, (16), 6 states have call predecessors, (16), 4 states have return successors, (10), 6 states have call predecessors, (10), 4 states have call successors, (10) [2023-04-02 04:23:09,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:23:09,599 INFO L93 Difference]: Finished difference Result 458 states and 603 transitions. [2023-04-02 04:23:09,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-04-02 04:23:09,622 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.25) internal successors, (39), 8 states have internal predecessors, (39), 4 states have call successors, (16), 6 states have call predecessors, (16), 4 states have return successors, (10), 6 states have call predecessors, (10), 4 states have call successors, (10) Word has length 65 [2023-04-02 04:23:09,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:23:09,628 INFO L225 Difference]: With dead ends: 458 [2023-04-02 04:23:09,628 INFO L226 Difference]: Without dead ends: 365 [2023-04-02 04:23:09,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 23 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 04:23:09,629 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 446 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 1186 mSolverCounterSat, 256 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 1442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 256 IncrementalHoareTripleChecker+Valid, 1186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-02 04:23:09,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 90 Invalid, 1442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [256 Valid, 1186 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-02 04:23:09,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2023-04-02 04:23:09,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 292. [2023-04-02 04:23:09,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 172 states have (on average 1.2209302325581395) internal successors, (210), 197 states have internal predecessors, (210), 65 states have call successors, (65), 54 states have call predecessors, (65), 54 states have return successors, (71), 51 states have call predecessors, (71), 61 states have call successors, (71) [2023-04-02 04:23:09,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 346 transitions. [2023-04-02 04:23:09,682 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 346 transitions. Word has length 65 [2023-04-02 04:23:09,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:23:09,682 INFO L495 AbstractCegarLoop]: Abstraction has 292 states and 346 transitions. [2023-04-02 04:23:09,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.25) internal successors, (39), 8 states have internal predecessors, (39), 4 states have call successors, (16), 6 states have call predecessors, (16), 4 states have return successors, (10), 6 states have call predecessors, (10), 4 states have call successors, (10) [2023-04-02 04:23:09,682 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 346 transitions. [2023-04-02 04:23:09,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-04-02 04:23:09,684 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:23:09,684 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:23:09,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-02 04:23:09,684 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:23:09,685 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:23:09,685 INFO L85 PathProgramCache]: Analyzing trace with hash 27893644, now seen corresponding path program 1 times [2023-04-02 04:23:09,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:23:09,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671900662] [2023-04-02 04:23:09,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:23:09,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:23:09,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:09,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:23:09,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:09,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:23:09,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:09,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:23:09,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:09,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:23:09,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:09,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:23:09,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:09,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 04:23:09,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:09,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 04:23:09,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:09,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-04-02 04:23:09,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:09,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:23:09,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:09,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:23:09,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:09,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-04-02 04:23:09,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:09,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-04-02 04:23:09,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:09,812 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 04:23:09,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:23:09,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671900662] [2023-04-02 04:23:09,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671900662] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:23:09,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:23:09,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-02 04:23:09,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385182858] [2023-04-02 04:23:09,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:23:09,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-02 04:23:09,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:23:09,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-02 04:23:09,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-04-02 04:23:09,814 INFO L87 Difference]: Start difference. First operand 292 states and 346 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-04-02 04:23:10,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:23:10,033 INFO L93 Difference]: Finished difference Result 459 states and 563 transitions. [2023-04-02 04:23:10,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-02 04:23:10,033 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 73 [2023-04-02 04:23:10,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:23:10,035 INFO L225 Difference]: With dead ends: 459 [2023-04-02 04:23:10,035 INFO L226 Difference]: Without dead ends: 191 [2023-04-02 04:23:10,036 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-04-02 04:23:10,038 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 175 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-02 04:23:10,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 22 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-02 04:23:10,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2023-04-02 04:23:10,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 178. [2023-04-02 04:23:10,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 108 states have (on average 1.1666666666666667) internal successors, (126), 118 states have internal predecessors, (126), 36 states have call successors, (36), 36 states have call predecessors, (36), 33 states have return successors, (33), 32 states have call predecessors, (33), 32 states have call successors, (33) [2023-04-02 04:23:10,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 195 transitions. [2023-04-02 04:23:10,065 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 195 transitions. Word has length 73 [2023-04-02 04:23:10,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:23:10,066 INFO L495 AbstractCegarLoop]: Abstraction has 178 states and 195 transitions. [2023-04-02 04:23:10,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-04-02 04:23:10,066 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 195 transitions. [2023-04-02 04:23:10,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-04-02 04:23:10,067 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:23:10,067 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:23:10,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-02 04:23:10,067 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:23:10,067 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:23:10,067 INFO L85 PathProgramCache]: Analyzing trace with hash -987270791, now seen corresponding path program 1 times [2023-04-02 04:23:10,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:23:10,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675250049] [2023-04-02 04:23:10,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:23:10,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:23:10,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:10,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:23:10,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:10,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:23:10,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:10,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:23:10,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:10,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:23:10,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:10,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:23:10,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:10,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 04:23:10,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:10,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 04:23:10,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:10,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:23:10,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:10,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:23:10,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:10,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:23:10,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:10,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 04:23:10,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:10,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:23:10,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:10,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-04-02 04:23:10,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:10,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-04-02 04:23:10,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:10,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:23:10,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:10,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:23:10,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:10,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-04-02 04:23:10,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:10,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-04-02 04:23:10,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:10,341 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-04-02 04:23:10,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:23:10,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675250049] [2023-04-02 04:23:10,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675250049] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 04:23:10,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [849356054] [2023-04-02 04:23:10,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:23:10,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:23:10,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:23:10,344 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 04:23:10,413 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 04:23:10,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:10,560 INFO L262 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 15 conjunts are in the unsatisfiable core [2023-04-02 04:23:10,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 04:23:10,728 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-02 04:23:10,729 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 04:23:11,036 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-04-02 04:23:11,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [849356054] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-02 04:23:11,037 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-02 04:23:11,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 8] total 18 [2023-04-02 04:23:11,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71213226] [2023-04-02 04:23:11,037 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-02 04:23:11,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-04-02 04:23:11,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:23:11,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-04-02 04:23:11,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2023-04-02 04:23:11,040 INFO L87 Difference]: Start difference. First operand 178 states and 195 transitions. Second operand has 18 states, 18 states have (on average 6.388888888888889) internal successors, (115), 12 states have internal predecessors, (115), 7 states have call successors, (55), 11 states have call predecessors, (55), 10 states have return successors, (43), 8 states have call predecessors, (43), 7 states have call successors, (43) [2023-04-02 04:23:11,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:23:11,507 INFO L93 Difference]: Finished difference Result 240 states and 272 transitions. [2023-04-02 04:23:11,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-02 04:23:11,508 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.388888888888889) internal successors, (115), 12 states have internal predecessors, (115), 7 states have call successors, (55), 11 states have call predecessors, (55), 10 states have return successors, (43), 8 states have call predecessors, (43), 7 states have call successors, (43) Word has length 110 [2023-04-02 04:23:11,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:23:11,510 INFO L225 Difference]: With dead ends: 240 [2023-04-02 04:23:11,510 INFO L226 Difference]: Without dead ends: 0 [2023-04-02 04:23:11,511 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 249 SyntacticMatches, 8 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=134, Invalid=418, Unknown=0, NotChecked=0, Total=552 [2023-04-02 04:23:11,516 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 377 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 847 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 377 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 1074 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 847 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-02 04:23:11,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [377 Valid, 99 Invalid, 1074 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 847 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-02 04:23:11,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-02 04:23:11,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-02 04:23:11,517 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 04:23:11,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-02 04:23:11,517 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 110 [2023-04-02 04:23:11,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:23:11,517 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-02 04:23:11,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 6.388888888888889) internal successors, (115), 12 states have internal predecessors, (115), 7 states have call successors, (55), 11 states have call predecessors, (55), 10 states have return successors, (43), 8 states have call predecessors, (43), 7 states have call successors, (43) [2023-04-02 04:23:11,518 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-02 04:23:11,518 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-02 04:23:11,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-02 04:23:11,540 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-04-02 04:23:11,728 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 04:23:11,730 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-02 04:23:13,103 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-02 04:23:13,103 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 11) no Hoare annotation was computed. [2023-04-02 04:23:13,103 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-02 04:23:13,103 INFO L899 garLoopResultBuilder]: For program point L659(lines 659 663) no Hoare annotation was computed. [2023-04-02 04:23:13,103 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeFINAL(lines 628 683) no Hoare annotation was computed. [2023-04-02 04:23:13,103 INFO L899 garLoopResultBuilder]: For program point L659-1(lines 659 663) no Hoare annotation was computed. [2023-04-02 04:23:13,104 INFO L899 garLoopResultBuilder]: For program point L654(line 654) no Hoare annotation was computed. [2023-04-02 04:23:13,104 INFO L899 garLoopResultBuilder]: For program point L653-2(lines 653 674) no Hoare annotation was computed. [2023-04-02 04:23:13,104 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 628 683) no Hoare annotation was computed. [2023-04-02 04:23:13,104 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 628 683) no Hoare annotation was computed. [2023-04-02 04:23:13,104 INFO L899 garLoopResultBuilder]: For program point L675(lines 652 676) no Hoare annotation was computed. [2023-04-02 04:23:13,104 INFO L899 garLoopResultBuilder]: For program point L736(lines 709 737) no Hoare annotation was computed. [2023-04-02 04:23:13,104 INFO L899 garLoopResultBuilder]: For program point L729(line 729) no Hoare annotation was computed. [2023-04-02 04:23:13,104 INFO L899 garLoopResultBuilder]: For program point L729-1(line 729) no Hoare annotation was computed. [2023-04-02 04:23:13,104 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 684 743) no Hoare annotation was computed. [2023-04-02 04:23:13,104 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 720) no Hoare annotation was computed. [2023-04-02 04:23:13,104 INFO L899 garLoopResultBuilder]: For program point L716-1(lines 716 720) no Hoare annotation was computed. [2023-04-02 04:23:13,104 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 684 743) no Hoare annotation was computed. [2023-04-02 04:23:13,104 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 684 743) no Hoare annotation was computed. [2023-04-02 04:23:13,104 INFO L899 garLoopResultBuilder]: For program point L711(line 711) no Hoare annotation was computed. [2023-04-02 04:23:13,104 INFO L899 garLoopResultBuilder]: For program point L710-2(lines 710 735) no Hoare annotation was computed. [2023-04-02 04:23:13,105 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 174 182) no Hoare annotation was computed. [2023-04-02 04:23:13,105 INFO L899 garLoopResultBuilder]: For program point valid_productFINAL(lines 174 182) no Hoare annotation was computed. [2023-04-02 04:23:13,105 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 174 182) the Hoare annotation is: true [2023-04-02 04:23:13,105 INFO L895 garLoopResultBuilder]: At program point L564(line 564) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0))) [2023-04-02 04:23:13,105 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification4_spec__1EXIT(lines 550 574) no Hoare annotation was computed. [2023-04-02 04:23:13,105 INFO L899 garLoopResultBuilder]: For program point L562(lines 562 568) no Hoare annotation was computed. [2023-04-02 04:23:13,105 INFO L895 garLoopResultBuilder]: At program point L560(line 560) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0))) [2023-04-02 04:23:13,105 INFO L899 garLoopResultBuilder]: For program point L560-1(line 560) no Hoare annotation was computed. [2023-04-02 04:23:13,105 INFO L899 garLoopResultBuilder]: For program point L558(lines 558 571) no Hoare annotation was computed. [2023-04-02 04:23:13,105 INFO L899 garLoopResultBuilder]: For program point L558-1(lines 550 574) no Hoare annotation was computed. [2023-04-02 04:23:13,106 INFO L902 garLoopResultBuilder]: At program point L556(line 556) the Hoare annotation is: true [2023-04-02 04:23:13,106 INFO L899 garLoopResultBuilder]: For program point L556-1(line 556) no Hoare annotation was computed. [2023-04-02 04:23:13,106 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 550 574) the Hoare annotation is: true [2023-04-02 04:23:13,106 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 517 539) no Hoare annotation was computed. [2023-04-02 04:23:13,106 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) (= main_~tmp~4 1) (= ~waterLevel~0 1))) [2023-04-02 04:23:13,106 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) (= main_~tmp~4 1) (= ~waterLevel~0 1))) [2023-04-02 04:23:13,106 INFO L899 garLoopResultBuilder]: For program point L527(lines 527 534) no Hoare annotation was computed. [2023-04-02 04:23:13,106 INFO L899 garLoopResultBuilder]: For program point L527-1(lines 527 534) no Hoare annotation was computed. [2023-04-02 04:23:13,106 INFO L899 garLoopResultBuilder]: For program point L525(line 525) no Hoare annotation was computed. [2023-04-02 04:23:13,106 INFO L899 garLoopResultBuilder]: For program point mainFINAL(lines 517 539) no Hoare annotation was computed. [2023-04-02 04:23:13,106 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 04:23:13,106 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 04:23:13,107 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 04:23:13,107 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 04:23:13,107 INFO L899 garLoopResultBuilder]: For program point L481(line 481) no Hoare annotation was computed. [2023-04-02 04:23:13,107 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 476 499) no Hoare annotation was computed. [2023-04-02 04:23:13,107 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 476 499) no Hoare annotation was computed. [2023-04-02 04:23:13,107 INFO L899 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2023-04-02 04:23:13,107 INFO L899 garLoopResultBuilder]: For program point L493(line 493) no Hoare annotation was computed. [2023-04-02 04:23:13,107 INFO L899 garLoopResultBuilder]: For program point L492(line 492) no Hoare annotation was computed. [2023-04-02 04:23:13,107 INFO L899 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2023-04-02 04:23:13,107 INFO L899 garLoopResultBuilder]: For program point L490(line 490) no Hoare annotation was computed. [2023-04-02 04:23:13,107 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 476 499) no Hoare annotation was computed. [2023-04-02 04:23:13,107 INFO L899 garLoopResultBuilder]: For program point L489(line 489) no Hoare annotation was computed. [2023-04-02 04:23:13,107 INFO L899 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2023-04-02 04:23:13,107 INFO L899 garLoopResultBuilder]: For program point L487(line 487) no Hoare annotation was computed. [2023-04-02 04:23:13,107 INFO L899 garLoopResultBuilder]: For program point L486(line 486) no Hoare annotation was computed. [2023-04-02 04:23:13,107 INFO L899 garLoopResultBuilder]: For program point L485(line 485) no Hoare annotation was computed. [2023-04-02 04:23:13,108 INFO L899 garLoopResultBuilder]: For program point L484(line 484) no Hoare annotation was computed. [2023-04-02 04:23:13,108 INFO L899 garLoopResultBuilder]: For program point L483(line 483) no Hoare annotation was computed. [2023-04-02 04:23:13,108 INFO L899 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2023-04-02 04:23:13,108 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 349 367) the Hoare annotation is: true [2023-04-02 04:23:13,108 INFO L899 garLoopResultBuilder]: For program point L358(lines 358 362) no Hoare annotation was computed. [2023-04-02 04:23:13,108 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevelEXIT(lines 349 367) no Hoare annotation was computed. [2023-04-02 04:23:13,108 INFO L902 garLoopResultBuilder]: At program point L356(line 356) the Hoare annotation is: true [2023-04-02 04:23:13,108 INFO L899 garLoopResultBuilder]: For program point L358-2(lines 358 362) no Hoare annotation was computed. [2023-04-02 04:23:13,108 INFO L899 garLoopResultBuilder]: For program point L356-1(line 356) no Hoare annotation was computed. [2023-04-02 04:23:13,108 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevelFINAL(lines 349 367) no Hoare annotation was computed. [2023-04-02 04:23:13,108 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 160 166) no Hoare annotation was computed. [2023-04-02 04:23:13,108 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 160 166) the Hoare annotation is: true [2023-04-02 04:23:13,108 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeFINAL(lines 895 940) no Hoare annotation was computed. [2023-04-02 04:23:13,108 INFO L899 garLoopResultBuilder]: For program point L915(lines 915 922) no Hoare annotation was computed. [2023-04-02 04:23:13,108 INFO L899 garLoopResultBuilder]: For program point L909(lines 909 929) no Hoare annotation was computed. [2023-04-02 04:23:13,108 INFO L899 garLoopResultBuilder]: For program point L909-1(lines 909 929) no Hoare annotation was computed. [2023-04-02 04:23:13,108 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 895 940) no Hoare annotation was computed. [2023-04-02 04:23:13,108 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 895 940) no Hoare annotation was computed. [2023-04-02 04:23:13,109 INFO L899 garLoopResultBuilder]: For program point L258-1(line 258) no Hoare annotation was computed. [2023-04-02 04:23:13,109 INFO L899 garLoopResultBuilder]: For program point L256(lines 256 273) no Hoare annotation was computed. [2023-04-02 04:23:13,109 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 252 276) no Hoare annotation was computed. [2023-04-02 04:23:13,109 INFO L895 garLoopResultBuilder]: At program point L271(line 271) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)))) [2023-04-02 04:23:13,109 INFO L899 garLoopResultBuilder]: For program point L271-1(lines 252 276) no Hoare annotation was computed. [2023-04-02 04:23:13,109 INFO L895 garLoopResultBuilder]: At program point L266(line 266) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0))) [2023-04-02 04:23:13,109 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 252 276) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)))) [2023-04-02 04:23:13,109 INFO L895 garLoopResultBuilder]: At program point L262(line 262) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0))) [2023-04-02 04:23:13,109 INFO L899 garLoopResultBuilder]: For program point L260(lines 260 268) no Hoare annotation was computed. [2023-04-02 04:23:13,109 INFO L895 garLoopResultBuilder]: At program point L258(line 258) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0))) [2023-04-02 04:23:13,109 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 218 224) no Hoare annotation was computed. [2023-04-02 04:23:13,109 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 218 224) the Hoare annotation is: true [2023-04-02 04:23:13,110 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 378 443) no Hoare annotation was computed. [2023-04-02 04:23:13,110 INFO L895 garLoopResultBuilder]: At program point L436(lines 387 437) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-02 04:23:13,110 INFO L899 garLoopResultBuilder]: For program point L426(lines 426 430) no Hoare annotation was computed. [2023-04-02 04:23:13,110 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 378 443) 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 04:23:13,110 INFO L895 garLoopResultBuilder]: At program point L426-2(lines 418 431) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)))) [2023-04-02 04:23:13,110 INFO L899 garLoopResultBuilder]: For program point L389(lines 388 435) no Hoare annotation was computed. [2023-04-02 04:23:13,110 INFO L895 garLoopResultBuilder]: At program point L420(line 420) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)))) [2023-04-02 04:23:13,110 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 431) no Hoare annotation was computed. [2023-04-02 04:23:13,110 INFO L895 garLoopResultBuilder]: At program point L410(line 410) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)))) [2023-04-02 04:23:13,110 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 414) no Hoare annotation was computed. [2023-04-02 04:23:13,110 INFO L899 garLoopResultBuilder]: For program point L408-1(lines 408 414) no Hoare annotation was computed. [2023-04-02 04:23:13,110 INFO L895 garLoopResultBuilder]: At program point L433(lines 388 435) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)))) [2023-04-02 04:23:13,111 INFO L895 garLoopResultBuilder]: At program point L400(line 400) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)))) [2023-04-02 04:23:13,111 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 404) no Hoare annotation was computed. [2023-04-02 04:23:13,111 INFO L899 garLoopResultBuilder]: For program point L398-1(lines 398 404) no Hoare annotation was computed. [2023-04-02 04:23:13,111 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 394) no Hoare annotation was computed. [2023-04-02 04:23:13,111 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 378 443) no Hoare annotation was computed. [2023-04-02 04:23:13,111 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDryFINAL(lines 136 144) no Hoare annotation was computed. [2023-04-02 04:23:13,111 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 136 144) the Hoare annotation is: true [2023-04-02 04:23:13,111 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDryEXIT(lines 136 144) no Hoare annotation was computed. [2023-04-02 04:23:13,111 INFO L899 garLoopResultBuilder]: For program point L112(lines 112 120) no Hoare annotation was computed. [2023-04-02 04:23:13,111 INFO L899 garLoopResultBuilder]: For program point L112-2(lines 112 120) no Hoare annotation was computed. [2023-04-02 04:23:13,111 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 104 126) no Hoare annotation was computed. [2023-04-02 04:23:13,111 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 104 126) no Hoare annotation was computed. [2023-04-02 04:23:13,111 INFO L899 garLoopResultBuilder]: For program point printEnvironmentFINAL(lines 104 126) no Hoare annotation was computed. [2023-04-02 04:23:13,111 INFO L899 garLoopResultBuilder]: For program point activatePumpFINAL(lines 277 284) no Hoare annotation was computed. [2023-04-02 04:23:13,111 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 277 284) no Hoare annotation was computed. [2023-04-02 04:23:13,111 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 277 284) no Hoare annotation was computed. [2023-04-02 04:23:13,111 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 127 135) the Hoare annotation is: true [2023-04-02 04:23:13,111 INFO L899 garLoopResultBuilder]: For program point getWaterLevelFINAL(lines 127 135) no Hoare annotation was computed. [2023-04-02 04:23:13,112 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 127 135) no Hoare annotation was computed. [2023-04-02 04:23:13,112 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 95 103) the Hoare annotation is: true [2023-04-02 04:23:13,112 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 95 103) no Hoare annotation was computed. [2023-04-02 04:23:13,112 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 95 103) no Hoare annotation was computed. [2023-04-02 04:23:13,112 INFO L895 garLoopResultBuilder]: At program point L207(line 207) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (and .cse2 (= ~waterLevel~0 1))) (or .cse0 (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1 (< |old(~waterLevel~0)| 2)))) [2023-04-02 04:23:13,112 INFO L895 garLoopResultBuilder]: At program point L205(lines 205 211) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (and .cse2 (= ~waterLevel~0 1))) (or .cse0 (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1 (< |old(~waterLevel~0)| 2)))) [2023-04-02 04:23:13,112 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 194 217) no Hoare annotation was computed. [2023-04-02 04:23:13,112 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 194 217) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (and .cse2 (= ~waterLevel~0 1))) (or .cse0 (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1 (< |old(~waterLevel~0)| 2)))) [2023-04-02 04:23:13,112 INFO L895 garLoopResultBuilder]: At program point L200(line 200) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1) (or .cse0 .cse1 (< |old(~waterLevel~0)| 2)))) [2023-04-02 04:23:13,112 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 194 217) no Hoare annotation was computed. [2023-04-02 04:23:13,112 INFO L899 garLoopResultBuilder]: For program point L198(lines 197 216) no Hoare annotation was computed. [2023-04-02 04:23:13,112 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 446 475) no Hoare annotation was computed. [2023-04-02 04:23:13,112 INFO L902 garLoopResultBuilder]: At program point L471(lines 446 475) the Hoare annotation is: true [2023-04-02 04:23:13,112 INFO L899 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2023-04-02 04:23:13,113 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 464) no Hoare annotation was computed. [2023-04-02 04:23:13,113 INFO L902 garLoopResultBuilder]: At program point L460-1(lines 460 464) the Hoare annotation is: true [2023-04-02 04:23:13,113 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 446 475) the Hoare annotation is: true [2023-04-02 04:23:13,113 INFO L899 garLoopResultBuilder]: For program point L457(line 457) no Hoare annotation was computed. [2023-04-02 04:23:13,113 INFO L902 garLoopResultBuilder]: At program point L456-2(lines 456 470) the Hoare annotation is: true [2023-04-02 04:23:13,113 INFO L902 garLoopResultBuilder]: At program point L452(line 452) the Hoare annotation is: true [2023-04-02 04:23:13,113 INFO L899 garLoopResultBuilder]: For program point L452-1(line 452) no Hoare annotation was computed. [2023-04-02 04:23:13,113 INFO L899 garLoopResultBuilder]: For program point L63-1(lines 59 70) no Hoare annotation was computed. [2023-04-02 04:23:13,113 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 59 70) no Hoare annotation was computed. [2023-04-02 04:23:13,113 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 59 70) the Hoare annotation is: true [2023-04-02 04:23:13,113 INFO L899 garLoopResultBuilder]: For program point startSystemEXIT(lines 368 375) no Hoare annotation was computed. [2023-04-02 04:23:13,113 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 368 375) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (= 1 ~systemActive~0)) (.cse2 (not (= |old(~systemActive~0)| 1)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)))) [2023-04-02 04:23:13,113 INFO L899 garLoopResultBuilder]: For program point startSystemFINAL(lines 368 375) no Hoare annotation was computed. [2023-04-02 04:23:13,113 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2023-04-02 04:23:13,113 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 71 82) no Hoare annotation was computed. [2023-04-02 04:23:13,113 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 71 82) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (= ~waterLevel~0 1)) (or .cse0 .cse1 (< |old(~waterLevel~0)| 2) (= |old(~waterLevel~0)| ~waterLevel~0)))) [2023-04-02 04:23:13,114 INFO L899 garLoopResultBuilder]: For program point __automaton_failFINAL(lines 541 548) no Hoare annotation was computed. [2023-04-02 04:23:13,114 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 541 548) the Hoare annotation is: true [2023-04-02 04:23:13,114 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 545) no Hoare annotation was computed. [2023-04-02 04:23:13,114 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 541 548) no Hoare annotation was computed. [2023-04-02 04:23:13,114 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 226 250) no Hoare annotation was computed. [2023-04-02 04:23:13,114 INFO L895 garLoopResultBuilder]: At program point L245(line 245) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)))) [2023-04-02 04:23:13,114 INFO L899 garLoopResultBuilder]: For program point L245-1(lines 226 250) no Hoare annotation was computed. [2023-04-02 04:23:13,114 INFO L895 garLoopResultBuilder]: At program point L240(line 240) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0))) [2023-04-02 04:23:13,114 INFO L895 garLoopResultBuilder]: At program point L236(line 236) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0))) [2023-04-02 04:23:13,114 INFO L899 garLoopResultBuilder]: For program point L234(lines 234 242) no Hoare annotation was computed. [2023-04-02 04:23:13,114 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 226 250) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)))) [2023-04-02 04:23:13,114 INFO L895 garLoopResultBuilder]: At program point L232(line 232) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0))) [2023-04-02 04:23:13,114 INFO L899 garLoopResultBuilder]: For program point L232-1(line 232) no Hoare annotation was computed. [2023-04-02 04:23:13,114 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 247) no Hoare annotation was computed. [2023-04-02 04:23:13,115 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 167 173) the Hoare annotation is: true [2023-04-02 04:23:13,115 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 167 173) no Hoare annotation was computed. [2023-04-02 04:23:13,115 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 304 312) no Hoare annotation was computed. [2023-04-02 04:23:13,115 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 304 312) no Hoare annotation was computed. [2023-04-02 04:23:13,115 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 304 312) the Hoare annotation is: true [2023-04-02 04:23:13,115 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 328) no Hoare annotation was computed. [2023-04-02 04:23:13,115 INFO L899 garLoopResultBuilder]: For program point L320-2(lines 320 328) no Hoare annotation was computed. [2023-04-02 04:23:13,115 INFO L899 garLoopResultBuilder]: For program point L343(line 343) no Hoare annotation was computed. [2023-04-02 04:23:13,115 INFO L899 garLoopResultBuilder]: For program point L343-1(line 343) no Hoare annotation was computed. [2023-04-02 04:23:13,115 INFO L899 garLoopResultBuilder]: For program point printPumpFINAL(lines 313 348) no Hoare annotation was computed. [2023-04-02 04:23:13,115 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 340) no Hoare annotation was computed. [2023-04-02 04:23:13,115 INFO L899 garLoopResultBuilder]: For program point L332-2(lines 332 340) no Hoare annotation was computed. [2023-04-02 04:23:13,115 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 313 348) no Hoare annotation was computed. [2023-04-02 04:23:13,115 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 313 348) no Hoare annotation was computed. [2023-04-02 04:23:13,115 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 582 627) no Hoare annotation was computed. [2023-04-02 04:23:13,115 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 582 627) no Hoare annotation was computed. [2023-04-02 04:23:13,115 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setFINAL(lines 582 627) no Hoare annotation was computed. [2023-04-02 04:23:13,115 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 507 516) no Hoare annotation was computed. [2023-04-02 04:23:13,116 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 04:23:13,116 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 507 516) no Hoare annotation was computed. [2023-04-02 04:23:13,116 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 293 303) no Hoare annotation was computed. [2023-04-02 04:23:13,116 INFO L902 garLoopResultBuilder]: At program point L298(line 298) the Hoare annotation is: true [2023-04-02 04:23:13,116 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 293 303) the Hoare annotation is: true [2023-04-02 04:23:13,116 INFO L899 garLoopResultBuilder]: For program point L298-1(line 298) no Hoare annotation was computed. [2023-04-02 04:23:13,116 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 293 303) no Hoare annotation was computed. [2023-04-02 04:23:13,116 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 285 292) no Hoare annotation was computed. [2023-04-02 04:23:13,116 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 285 292) the Hoare annotation is: true [2023-04-02 04:23:13,116 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 285 292) no Hoare annotation was computed. [2023-04-02 04:23:13,116 INFO L899 garLoopResultBuilder]: For program point L863(lines 863 883) no Hoare annotation was computed. [2023-04-02 04:23:13,116 INFO L899 garLoopResultBuilder]: For program point L863-1(lines 863 883) no Hoare annotation was computed. [2023-04-02 04:23:13,116 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 849 894) no Hoare annotation was computed. [2023-04-02 04:23:13,121 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argFINAL(lines 849 894) no Hoare annotation was computed. [2023-04-02 04:23:13,121 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 849 894) no Hoare annotation was computed. [2023-04-02 04:23:13,122 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 876) no Hoare annotation was computed. [2023-04-02 04:23:13,122 INFO L899 garLoopResultBuilder]: For program point select_oneFINAL(lines 150 159) no Hoare annotation was computed. [2023-04-02 04:23:13,122 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 150 159) no Hoare annotation was computed. [2023-04-02 04:23:13,122 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 150 159) no Hoare annotation was computed. [2023-04-02 04:23:13,122 INFO L899 garLoopResultBuilder]: For program point L797(lines 797 801) no Hoare annotation was computed. [2023-04-02 04:23:13,122 INFO L899 garLoopResultBuilder]: For program point L795-2(lines 795 815) no Hoare annotation was computed. [2023-04-02 04:23:13,122 INFO L899 garLoopResultBuilder]: For program point L816(lines 794 817) no Hoare annotation was computed. [2023-04-02 04:23:13,122 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 746 848) no Hoare annotation was computed. [2023-04-02 04:23:13,122 INFO L899 garLoopResultBuilder]: For program point L775(lines 775 791) no Hoare annotation was computed. [2023-04-02 04:23:13,122 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 746 848) no Hoare annotation was computed. [2023-04-02 04:23:13,122 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 842) no Hoare annotation was computed. [2023-04-02 04:23:13,122 INFO L899 garLoopResultBuilder]: For program point L796(lines 795 815) no Hoare annotation was computed. [2023-04-02 04:23:13,122 INFO L899 garLoopResultBuilder]: For program point L827(line 827) no Hoare annotation was computed. [2023-04-02 04:23:13,122 INFO L899 garLoopResultBuilder]: For program point L827-1(line 827) no Hoare annotation was computed. [2023-04-02 04:23:13,122 INFO L899 garLoopResultBuilder]: For program point L792(lines 792 833) no Hoare annotation was computed. [2023-04-02 04:23:13,122 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 746 848) no Hoare annotation was computed. [2023-04-02 04:23:13,122 INFO L899 garLoopResultBuilder]: For program point L811(line 811) no Hoare annotation was computed. [2023-04-02 04:23:13,122 INFO L899 garLoopResultBuilder]: For program point L811-1(line 811) no Hoare annotation was computed. [2023-04-02 04:23:13,123 INFO L899 garLoopResultBuilder]: For program point L770(lines 770 774) no Hoare annotation was computed. [2023-04-02 04:23:13,123 INFO L899 garLoopResultBuilder]: For program point L834(lines 834 845) no Hoare annotation was computed. [2023-04-02 04:23:13,123 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:23:13,123 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 04:23:13,123 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:23:13,123 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 83 94) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2023-04-02 04:23:13,123 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 83 94) no Hoare annotation was computed. [2023-04-02 04:23:13,123 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2023-04-02 04:23:13,123 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:23:13,123 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:23:13,123 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-02 04:23:13,123 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 500 506) no Hoare annotation was computed. [2023-04-02 04:23:13,123 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 500 506) the Hoare annotation is: true [2023-04-02 04:23:13,123 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:23:13,123 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 04:23:13,123 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:23:13,124 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-02 04:23:13,126 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-04-02 04:23:13,128 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-02 04:23:13,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.04 04:23:13 BoogieIcfgContainer [2023-04-02 04:23:13,154 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-02 04:23:13,155 INFO L158 Benchmark]: Toolchain (without parser) took 8026.82ms. Allocated memory was 283.1MB in the beginning and 457.2MB in the end (delta: 174.1MB). Free memory was 222.5MB in the beginning and 304.0MB in the end (delta: -81.5MB). Peak memory consumption was 199.6MB. Max. memory is 8.0GB. [2023-04-02 04:23:13,155 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 187.7MB. Free memory is still 136.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-02 04:23:13,155 INFO L158 Benchmark]: CACSL2BoogieTranslator took 351.63ms. Allocated memory is still 283.1MB. Free memory was 222.1MB in the beginning and 203.9MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-04-02 04:23:13,155 INFO L158 Benchmark]: Boogie Preprocessor took 44.60ms. Allocated memory is still 283.1MB. Free memory was 203.9MB in the beginning and 200.7MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-02 04:23:13,155 INFO L158 Benchmark]: RCFGBuilder took 623.87ms. Allocated memory is still 283.1MB. Free memory was 200.3MB in the beginning and 233.5MB in the end (delta: -33.1MB). Peak memory consumption was 33.7MB. Max. memory is 8.0GB. [2023-04-02 04:23:13,155 INFO L158 Benchmark]: TraceAbstraction took 7001.44ms. Allocated memory was 283.1MB in the beginning and 457.2MB in the end (delta: 174.1MB). Free memory was 233.0MB in the beginning and 304.0MB in the end (delta: -71.1MB). Peak memory consumption was 208.9MB. Max. memory is 8.0GB. [2023-04-02 04:23:13,158 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 187.7MB. Free memory is still 136.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 351.63ms. Allocated memory is still 283.1MB. Free memory was 222.1MB in the beginning and 203.9MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 44.60ms. Allocated memory is still 283.1MB. Free memory was 203.9MB in the beginning and 200.7MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 623.87ms. Allocated memory is still 283.1MB. Free memory was 200.3MB in the beginning and 233.5MB in the end (delta: -33.1MB). Peak memory consumption was 33.7MB. Max. memory is 8.0GB. * TraceAbstraction took 7001.44ms. Allocated memory was 283.1MB in the beginning and 457.2MB in the end (delta: 174.1MB). Free memory was 233.0MB in the beginning and 304.0MB in the end (delta: -71.1MB). Peak memory consumption was 208.9MB. 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: 545]: 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 40 procedures, 231 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.9s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1431 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1376 mSDsluCounter, 293 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 217 mSDsCounter, 774 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3212 IncrementalHoareTripleChecker+Invalid, 3986 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 774 mSolverCounterUnsat, 76 mSDtfsCounter, 3212 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 423 GetRequests, 347 SyntacticMatches, 8 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=292occurred in iteration=4, InterpolantAutomatonStates: 53, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 171 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 424 PreInvPairs, 447 NumberOfFragments, 950 HoareAnnotationTreeSize, 424 FomulaSimplifications, 8302 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 59 FomulaSimplificationsInter, 1919 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 503 NumberOfCodeBlocks, 503 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 605 ConstructedInterpolants, 0 QuantifiedInterpolants, 1361 SizeOfPredicates, 3 NumberOfNonLiveVariables, 410 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 105/111 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: 446]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 388]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive)) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1)) || (((pumpRunning == 0 && splverifierCounter == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel) - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1) RESULT: Ultimate proved your program to be correct! [2023-04-02 04:23:13,177 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...