/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_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 04:22:56,030 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 04:22:56,031 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 04:22:56,059 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 04:22:56,060 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 04:22:56,060 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 04:22:56,066 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 04:22:56,068 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 04:22:56,070 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 04:22:56,075 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 04:22:56,076 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 04:22:56,078 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 04:22:56,078 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 04:22:56,082 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 04:22:56,083 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 04:22:56,083 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 04:22:56,083 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 04:22:56,084 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 04:22:56,085 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 04:22:56,086 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 04:22:56,086 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 04:22:56,088 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 04:22:56,089 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 04:22:56,089 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 04:22:56,096 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 04:22:56,097 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 04:22:56,097 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 04:22:56,098 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 04:22:56,098 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 04:22:56,099 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 04:22:56,099 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 04:22:56,099 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 04:22:56,100 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 04:22:56,101 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 04:22:56,101 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 04:22:56,102 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 04:22:56,102 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 04:22:56,102 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 04:22:56,102 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 04:22:56,103 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 04:22:56,103 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 04:22:56,104 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 04:22:56,129 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 04:22:56,130 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 04:22:56,130 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 04:22:56,130 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 04:22:56,131 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 04:22:56,131 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 04:22:56,132 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 04:22:56,132 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 04:22:56,132 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 04:22:56,132 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 04:22:56,132 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 04:22:56,133 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 04:22:56,133 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 04:22:56,133 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 04:22:56,133 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 04:22:56,133 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 04:22:56,133 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 04:22:56,133 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 04:22:56,133 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 04:22:56,133 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 04:22:56,133 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 04:22:56,133 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 04:22:56,134 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 04:22:56,134 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 04:22:56,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 04:22:56,134 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 04:22:56,134 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 04:22:56,134 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 04:22:56,134 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 04:22:56,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 04:22:56,134 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 04:22:56,134 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 04:22:56,135 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 04:22:56,135 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 04:22:56,135 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 04:22:56,135 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 04:22:56,320 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 04:22:56,345 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 04:22:56,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 04:22:56,347 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 04:22:56,348 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 04:22:56,348 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c [2023-04-02 04:22:57,573 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 04:22:57,827 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 04:22:57,827 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c [2023-04-02 04:22:57,837 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7511539a2/efa8a26f2d0342adba588b64f971806b/FLAGdc5189908 [2023-04-02 04:22:58,182 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7511539a2/efa8a26f2d0342adba588b64f971806b [2023-04-02 04:22:58,184 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 04:22:58,185 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 04:22:58,186 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 04:22:58,186 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 04:22:58,188 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 04:22:58,188 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 04:22:58" (1/1) ... [2023-04-02 04:22:58,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44e32bee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:58, skipping insertion in model container [2023-04-02 04:22:58,189 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 04:22:58" (1/1) ... [2023-04-02 04:22:58,193 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 04:22:58,244 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 04:22:58,497 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_product18.cil.c[7979,7992] [2023-04-02 04:22:58,546 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 04:22:58,578 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 04:22:58,611 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_product18.cil.c[7979,7992] [2023-04-02 04:22:58,638 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 04:22:58,655 INFO L208 MainTranslator]: Completed translation [2023-04-02 04:22:58,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:58 WrapperNode [2023-04-02 04:22:58,656 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 04:22:58,657 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 04:22:58,657 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 04:22:58,657 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 04:22:58,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:58" (1/1) ... [2023-04-02 04:22:58,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:58" (1/1) ... [2023-04-02 04:22:58,691 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:58" (1/1) ... [2023-04-02 04:22:58,691 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:58" (1/1) ... [2023-04-02 04:22:58,715 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:58" (1/1) ... [2023-04-02 04:22:58,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:58" (1/1) ... [2023-04-02 04:22:58,727 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:58" (1/1) ... [2023-04-02 04:22:58,729 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:58" (1/1) ... [2023-04-02 04:22:58,732 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 04:22:58,733 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 04:22:58,733 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 04:22:58,733 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 04:22:58,734 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:58" (1/1) ... [2023-04-02 04:22:58,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 04:22:58,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:22:58,769 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 04:22:58,791 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 04:22:58,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 04:22:58,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 04:22:58,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-02 04:22:58,867 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 04:22:58,871 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-02 04:22:58,871 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-02 04:22:58,884 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-04-02 04:22:58,885 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-02 04:22:58,885 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-02 04:22:58,885 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-02 04:22:58,885 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-02 04:22:58,885 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-02 04:22:58,885 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-02 04:22:58,885 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2023-04-02 04:22:58,885 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2023-04-02 04:22:58,885 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-02 04:22:58,886 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-02 04:22:58,886 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-02 04:22:58,886 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-02 04:22:58,886 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 04:22:58,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2023-04-02 04:22:58,886 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-02 04:22:58,888 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-02 04:22:58,888 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-02 04:22:58,888 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-02 04:22:58,888 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-02 04:22:58,888 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-02 04:22:58,888 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-02 04:22:58,888 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-02 04:22:58,888 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-02 04:22:58,889 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-02 04:22:58,889 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2023-04-02 04:22:58,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-02 04:22:58,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-02 04:22:58,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-02 04:22:58,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-02 04:22:58,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-02 04:22:58,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-02 04:22:58,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-02 04:22:58,890 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 04:22:58,890 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 04:22:58,890 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 04:22:58,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 04:22:58,890 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 04:22:58,890 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-02 04:22:58,890 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-02 04:22:58,890 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-02 04:22:58,891 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2023-04-02 04:22:58,891 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-02 04:22:58,891 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-02 04:22:58,891 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-02 04:22:58,892 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-02 04:22:58,892 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-02 04:22:58,892 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-02 04:22:58,893 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2023-04-02 04:22:58,893 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-02 04:22:58,893 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-02 04:22:58,893 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-02 04:22:58,893 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-02 04:22:58,894 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2023-04-02 04:22:58,894 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-02 04:22:58,894 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-04-02 04:22:58,895 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2023-04-02 04:22:58,895 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-02 04:22:58,895 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-02 04:22:58,895 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-02 04:22:58,895 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-02 04:22:58,895 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-02 04:22:58,895 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-02 04:22:58,895 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-02 04:22:58,895 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 04:22:58,896 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-02 04:22:58,896 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-02 04:22:58,896 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-02 04:22:58,896 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 04:22:58,896 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 04:22:58,896 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-02 04:22:58,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 04:22:58,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 04:22:58,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 04:22:58,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 04:22:58,897 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-02 04:22:58,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 04:22:58,898 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-02 04:22:58,898 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-02 04:22:58,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 04:22:58,898 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-02 04:22:58,898 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-02 04:22:58,898 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-02 04:22:58,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 04:22:58,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 04:22:58,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 04:22:59,066 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 04:22:59,068 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 04:22:59,503 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 04:22:59,509 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 04:22:59,509 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-02 04:22:59,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 04:22:59 BoogieIcfgContainer [2023-04-02 04:22:59,511 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 04:22:59,513 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 04:22:59,513 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 04:22:59,515 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 04:22:59,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 04:22:58" (1/3) ... [2023-04-02 04:22:59,515 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f3cd48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 04:22:59, skipping insertion in model container [2023-04-02 04:22:59,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:22:58" (2/3) ... [2023-04-02 04:22:59,515 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f3cd48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 04:22:59, skipping insertion in model container [2023-04-02 04:22:59,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 04:22:59" (3/3) ... [2023-04-02 04:22:59,516 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product18.cil.c [2023-04-02 04:22:59,528 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 04:22:59,528 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 04:22:59,582 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 04:22:59,588 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;@3180bf3b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 04:22:59,589 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 04:22:59,593 INFO L276 IsEmpty]: Start isEmpty. Operand has 151 states, 82 states have (on average 1.3048780487804879) internal successors, (107), 93 states have internal predecessors, (107), 41 states have call successors, (41), 25 states have call predecessors, (41), 25 states have return successors, (41), 39 states have call predecessors, (41), 41 states have call successors, (41) [2023-04-02 04:22:59,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-04-02 04:22:59,602 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:22:59,602 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 04:22:59,603 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:22:59,607 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:22:59,608 INFO L85 PathProgramCache]: Analyzing trace with hash -305426491, now seen corresponding path program 1 times [2023-04-02 04:22:59,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:22:59,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450088433] [2023-04-02 04:22:59,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:22:59,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:22:59,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:59,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:22:59,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:59,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:22:59,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:59,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:22:59,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:59,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:22:59,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:59,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:22:59,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:59,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-04-02 04:22:59,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:59,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 04:22:59,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:22:59,948 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 04:22:59,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:22:59,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450088433] [2023-04-02 04:22:59,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450088433] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:22:59,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:22:59,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-02 04:22:59,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975741521] [2023-04-02 04:22:59,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:22:59,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 04:22:59,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:22:59,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 04:22:59,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-02 04:22:59,983 INFO L87 Difference]: Start difference. First operand has 151 states, 82 states have (on average 1.3048780487804879) internal successors, (107), 93 states have internal predecessors, (107), 41 states have call successors, (41), 25 states have call predecessors, (41), 25 states have return successors, (41), 39 states have call predecessors, (41), 41 states have call successors, (41) 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 04:23:00,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:23:00,382 INFO L93 Difference]: Finished difference Result 256 states and 337 transitions. [2023-04-02 04:23:00,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 04:23:00,384 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 04:23:00,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:23:00,391 INFO L225 Difference]: With dead ends: 256 [2023-04-02 04:23:00,391 INFO L226 Difference]: Without dead ends: 139 [2023-04-02 04:23:00,393 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 04:23:00,396 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 78 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-02 04:23:00,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 21 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-02 04:23:00,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2023-04-02 04:23:00,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 108. [2023-04-02 04:23:00,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 63 states have (on average 1.2380952380952381) internal successors, (78), 71 states have internal predecessors, (78), 26 states have call successors, (26), 23 states have call predecessors, (26), 18 states have return successors, (21), 19 states have call predecessors, (21), 21 states have call successors, (21) [2023-04-02 04:23:00,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 125 transitions. [2023-04-02 04:23:00,449 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 125 transitions. Word has length 46 [2023-04-02 04:23:00,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:23:00,449 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 125 transitions. [2023-04-02 04:23:00,449 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 04:23:00,449 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 125 transitions. [2023-04-02 04:23:00,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-04-02 04:23:00,451 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:23:00,451 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 04:23:00,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 04:23:00,451 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:23:00,452 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:23:00,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1476145096, now seen corresponding path program 1 times [2023-04-02 04:23:00,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:23:00,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782818450] [2023-04-02 04:23:00,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:23:00,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:23:00,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:00,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:23:00,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:00,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:23:00,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:00,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:23:00,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:00,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:23:00,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:00,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:23:00,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:00,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-04-02 04:23:00,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:00,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 04:23:00,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:00,556 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 04:23:00,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:23:00,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782818450] [2023-04-02 04:23:00,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782818450] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:23:00,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:23:00,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-02 04:23:00,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890033100] [2023-04-02 04:23:00,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:23:00,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-02 04:23:00,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:23:00,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-02 04:23:00,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-02 04:23:00,559 INFO L87 Difference]: Start difference. First operand 108 states and 125 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 04:23:00,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:23:00,821 INFO L93 Difference]: Finished difference Result 185 states and 224 transitions. [2023-04-02 04:23:00,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-02 04:23:00,822 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 04:23:00,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:23:00,826 INFO L225 Difference]: With dead ends: 185 [2023-04-02 04:23:00,826 INFO L226 Difference]: Without dead ends: 123 [2023-04-02 04:23:00,829 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 04:23:00,831 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 88 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-02 04:23:00,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 27 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-02 04:23:00,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2023-04-02 04:23:00,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 99. [2023-04-02 04:23:00,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 57 states have (on average 1.2456140350877194) internal successors, (71), 65 states have internal predecessors, (71), 23 states have call successors, (23), 22 states have call predecessors, (23), 18 states have return successors, (19), 17 states have call predecessors, (19), 19 states have call successors, (19) [2023-04-02 04:23:00,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 113 transitions. [2023-04-02 04:23:00,858 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 113 transitions. Word has length 47 [2023-04-02 04:23:00,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:23:00,859 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 113 transitions. [2023-04-02 04:23:00,859 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 04:23:00,859 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 113 transitions. [2023-04-02 04:23:00,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-04-02 04:23:00,865 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:23:00,865 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 04:23:00,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 04:23:00,865 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:23:00,866 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:23:00,866 INFO L85 PathProgramCache]: Analyzing trace with hash -2084311690, now seen corresponding path program 1 times [2023-04-02 04:23:00,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:23:00,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408787500] [2023-04-02 04:23:00,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:23:00,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:23:00,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:01,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:23:01,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:01,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:23:01,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:01,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:23:01,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:01,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:23:01,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:01,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:23:01,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:01,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 04:23:01,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:01,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-04-02 04:23:01,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:01,074 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 04:23:01,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:23:01,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408787500] [2023-04-02 04:23:01,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408787500] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:23:01,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:23:01,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 04:23:01,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694079505] [2023-04-02 04:23:01,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:23:01,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 04:23:01,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:23:01,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 04:23:01,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-04-02 04:23:01,076 INFO L87 Difference]: Start difference. First operand 99 states and 113 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 04:23:01,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:23:01,448 INFO L93 Difference]: Finished difference Result 198 states and 242 transitions. [2023-04-02 04:23:01,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-02 04:23:01,449 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 04:23:01,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:23:01,450 INFO L225 Difference]: With dead ends: 198 [2023-04-02 04:23:01,450 INFO L226 Difference]: Without dead ends: 123 [2023-04-02 04:23:01,451 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 04:23:01,451 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 220 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 466 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-02 04:23:01,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 32 Invalid, 596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 466 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-02 04:23:01,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2023-04-02 04:23:01,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 99. [2023-04-02 04:23:01,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 57 states have (on average 1.2280701754385965) internal successors, (70), 64 states have internal predecessors, (70), 23 states have call successors, (23), 22 states have call predecessors, (23), 18 states have return successors, (19), 17 states have call predecessors, (19), 19 states have call successors, (19) [2023-04-02 04:23:01,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 112 transitions. [2023-04-02 04:23:01,465 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 112 transitions. Word has length 52 [2023-04-02 04:23:01,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:23:01,465 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 112 transitions. [2023-04-02 04:23:01,465 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 04:23:01,465 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 112 transitions. [2023-04-02 04:23:01,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-04-02 04:23:01,466 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:23:01,466 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] [2023-04-02 04:23:01,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 04:23:01,466 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:23:01,466 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:23:01,467 INFO L85 PathProgramCache]: Analyzing trace with hash 347908285, now seen corresponding path program 1 times [2023-04-02 04:23:01,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:23:01,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767984238] [2023-04-02 04:23:01,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:23:01,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:23:01,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:01,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:23:01,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:01,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:23:01,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:01,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:23:01,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:01,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:23:01,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:01,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:23:01,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:01,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 04:23:01,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:01,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:23:01,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:01,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-04-02 04:23:01,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:01,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-04-02 04:23:01,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:01,624 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 04:23:01,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:23:01,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767984238] [2023-04-02 04:23:01,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767984238] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:23:01,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:23:01,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 04:23:01,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804950641] [2023-04-02 04:23:01,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:23:01,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 04:23:01,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:23:01,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 04:23:01,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2023-04-02 04:23:01,626 INFO L87 Difference]: Start difference. First operand 99 states and 112 transitions. Second operand has 12 states, 12 states have (on average 3.0) internal successors, (36), 8 states have internal predecessors, (36), 4 states have call successors, (15), 6 states have call predecessors, (15), 4 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) [2023-04-02 04:23:02,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:23:02,580 INFO L93 Difference]: Finished difference Result 380 states and 506 transitions. [2023-04-02 04:23:02,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-04-02 04:23:02,580 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.0) internal successors, (36), 8 states have internal predecessors, (36), 4 states have call successors, (15), 6 states have call predecessors, (15), 4 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) Word has length 60 [2023-04-02 04:23:02,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:23:02,583 INFO L225 Difference]: With dead ends: 380 [2023-04-02 04:23:02,583 INFO L226 Difference]: Without dead ends: 305 [2023-04-02 04:23:02,584 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 21 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 04:23:02,584 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 364 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 980 mSolverCounterSat, 202 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 383 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 1182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 202 IncrementalHoareTripleChecker+Valid, 980 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-02 04:23:02,585 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [383 Valid, 89 Invalid, 1182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [202 Valid, 980 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-02 04:23:02,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2023-04-02 04:23:02,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 236. [2023-04-02 04:23:02,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 141 states have (on average 1.2269503546099292) internal successors, (173), 160 states have internal predecessors, (173), 50 states have call successors, (50), 45 states have call predecessors, (50), 44 states have return successors, (54), 41 states have call predecessors, (54), 46 states have call successors, (54) [2023-04-02 04:23:02,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 277 transitions. [2023-04-02 04:23:02,628 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 277 transitions. Word has length 60 [2023-04-02 04:23:02,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:23:02,628 INFO L495 AbstractCegarLoop]: Abstraction has 236 states and 277 transitions. [2023-04-02 04:23:02,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.0) internal successors, (36), 8 states have internal predecessors, (36), 4 states have call successors, (15), 6 states have call predecessors, (15), 4 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) [2023-04-02 04:23:02,628 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 277 transitions. [2023-04-02 04:23:02,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-04-02 04:23:02,629 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:23:02,629 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] [2023-04-02 04:23:02,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-02 04:23:02,630 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:23:02,630 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:23:02,630 INFO L85 PathProgramCache]: Analyzing trace with hash -1442817757, now seen corresponding path program 1 times [2023-04-02 04:23:02,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:23:02,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131200118] [2023-04-02 04:23:02,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:23:02,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:23:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:02,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:23:02,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:02,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:23:02,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:02,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:23:02,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:02,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:23:02,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:02,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:23:02,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:02,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 04:23:02,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:02,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-04-02 04:23:02,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:02,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:23:02,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:02,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-04-02 04:23:02,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:02,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-04-02 04:23:02,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:02,725 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 04:23:02,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:23:02,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131200118] [2023-04-02 04:23:02,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131200118] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:23:02,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:23:02,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-02 04:23:02,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647817115] [2023-04-02 04:23:02,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:23:02,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-02 04:23:02,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:23:02,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-02 04:23:02,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-04-02 04:23:02,728 INFO L87 Difference]: Start difference. First operand 236 states and 277 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2023-04-02 04:23:02,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:23:02,927 INFO L93 Difference]: Finished difference Result 388 states and 472 transitions. [2023-04-02 04:23:02,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-02 04:23:02,928 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 64 [2023-04-02 04:23:02,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:23:02,929 INFO L225 Difference]: With dead ends: 388 [2023-04-02 04:23:02,929 INFO L226 Difference]: Without dead ends: 176 [2023-04-02 04:23:02,929 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 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 04:23:02,930 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 166 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-02 04:23:02,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 22 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-02 04:23:02,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2023-04-02 04:23:02,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 163. [2023-04-02 04:23:02,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 99 states have (on average 1.1818181818181819) internal successors, (117), 109 states have internal predecessors, (117), 33 states have call successors, (33), 33 states have call predecessors, (33), 30 states have return successors, (30), 29 states have call predecessors, (30), 29 states have call successors, (30) [2023-04-02 04:23:02,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 180 transitions. [2023-04-02 04:23:02,946 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 180 transitions. Word has length 64 [2023-04-02 04:23:02,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:23:02,946 INFO L495 AbstractCegarLoop]: Abstraction has 163 states and 180 transitions. [2023-04-02 04:23:02,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2023-04-02 04:23:02,946 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 180 transitions. [2023-04-02 04:23:02,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-04-02 04:23:02,947 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:23:02,947 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:23:02,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-02 04:23:02,947 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:23:02,948 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:23:02,948 INFO L85 PathProgramCache]: Analyzing trace with hash -817117893, now seen corresponding path program 1 times [2023-04-02 04:23:02,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:23:02,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421203738] [2023-04-02 04:23:02,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:23:02,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:23:02,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:03,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:23:03,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:03,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:23:03,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:03,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:23:03,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:03,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:23:03,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:03,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:23:03,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:03,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 04:23:03,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:03,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 04:23:03,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:03,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:23:03,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:03,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:23:03,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:03,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:23:03,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:03,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:23:03,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:03,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-04-02 04:23:03,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:03,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-04-02 04:23:03,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:03,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:23:03,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:03,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 04:23:03,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:03,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-04-02 04:23:03,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:03,163 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-04-02 04:23:03,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:23:03,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421203738] [2023-04-02 04:23:03,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421203738] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 04:23:03,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1785019425] [2023-04-02 04:23:03,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:23:03,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:23:03,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:23:03,191 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 04:23:03,237 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 04:23:03,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:03,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 15 conjunts are in the unsatisfiable core [2023-04-02 04:23:03,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 04:23:03,523 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-02 04:23:03,523 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 04:23:03,763 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-04-02 04:23:03,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1785019425] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-02 04:23:03,763 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-02 04:23:03,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 8] total 18 [2023-04-02 04:23:03,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616010125] [2023-04-02 04:23:03,763 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-02 04:23:03,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-04-02 04:23:03,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:23:03,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-04-02 04:23:03,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2023-04-02 04:23:03,766 INFO L87 Difference]: Start difference. First operand 163 states and 180 transitions. Second operand has 18 states, 18 states have (on average 5.944444444444445) internal successors, (107), 12 states have internal predecessors, (107), 7 states have call successors, (52), 11 states have call predecessors, (52), 10 states have return successors, (40), 8 states have call predecessors, (40), 7 states have call successors, (40) [2023-04-02 04:23:04,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:23:04,213 INFO L93 Difference]: Finished difference Result 220 states and 252 transitions. [2023-04-02 04:23:04,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-02 04:23:04,214 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 5.944444444444445) internal successors, (107), 12 states have internal predecessors, (107), 7 states have call successors, (52), 11 states have call predecessors, (52), 10 states have return successors, (40), 8 states have call predecessors, (40), 7 states have call successors, (40) Word has length 100 [2023-04-02 04:23:04,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:23:04,214 INFO L225 Difference]: With dead ends: 220 [2023-04-02 04:23:04,214 INFO L226 Difference]: Without dead ends: 0 [2023-04-02 04:23:04,215 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 223 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 04:23:04,218 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 261 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 675 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-02 04:23:04,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 114 Invalid, 820 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 675 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-02 04:23:04,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-02 04:23:04,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-02 04:23:04,218 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 04:23:04,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-02 04:23:04,219 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 100 [2023-04-02 04:23:04,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:23:04,219 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-02 04:23:04,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.944444444444445) internal successors, (107), 12 states have internal predecessors, (107), 7 states have call successors, (52), 11 states have call predecessors, (52), 10 states have return successors, (40), 8 states have call predecessors, (40), 7 states have call successors, (40) [2023-04-02 04:23:04,219 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-02 04:23:04,219 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-02 04:23:04,221 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-02 04:23:04,239 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-02 04:23:04,429 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 04:23:04,431 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-02 04:23:05,807 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-02 04:23:05,807 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 11) no Hoare annotation was computed. [2023-04-02 04:23:05,807 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-02 04:23:05,807 INFO L899 garLoopResultBuilder]: For program point L634(lines 634 638) no Hoare annotation was computed. [2023-04-02 04:23:05,807 INFO L899 garLoopResultBuilder]: For program point L634-1(lines 634 638) no Hoare annotation was computed. [2023-04-02 04:23:05,807 INFO L899 garLoopResultBuilder]: For program point L629(line 629) no Hoare annotation was computed. [2023-04-02 04:23:05,807 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeFINAL(lines 603 658) no Hoare annotation was computed. [2023-04-02 04:23:05,807 INFO L899 garLoopResultBuilder]: For program point L628-2(lines 628 649) no Hoare annotation was computed. [2023-04-02 04:23:05,807 INFO L899 garLoopResultBuilder]: For program point L650(lines 627 651) no Hoare annotation was computed. [2023-04-02 04:23:05,807 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 603 658) no Hoare annotation was computed. [2023-04-02 04:23:05,808 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 603 658) no Hoare annotation was computed. [2023-04-02 04:23:05,808 INFO L899 garLoopResultBuilder]: For program point L704(line 704) no Hoare annotation was computed. [2023-04-02 04:23:05,808 INFO L899 garLoopResultBuilder]: For program point L704-1(line 704) no Hoare annotation was computed. [2023-04-02 04:23:05,808 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 659 718) no Hoare annotation was computed. [2023-04-02 04:23:05,808 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 695) no Hoare annotation was computed. [2023-04-02 04:23:05,808 INFO L899 garLoopResultBuilder]: For program point L691-1(lines 691 695) no Hoare annotation was computed. [2023-04-02 04:23:05,808 INFO L899 garLoopResultBuilder]: For program point L686(line 686) no Hoare annotation was computed. [2023-04-02 04:23:05,808 INFO L899 garLoopResultBuilder]: For program point L685-2(lines 685 710) no Hoare annotation was computed. [2023-04-02 04:23:05,808 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 659 718) no Hoare annotation was computed. [2023-04-02 04:23:05,808 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 659 718) no Hoare annotation was computed. [2023-04-02 04:23:05,808 INFO L899 garLoopResultBuilder]: For program point L711(lines 684 712) no Hoare annotation was computed. [2023-04-02 04:23:05,808 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 443 451) no Hoare annotation was computed. [2023-04-02 04:23:05,808 INFO L899 garLoopResultBuilder]: For program point valid_productFINAL(lines 443 451) no Hoare annotation was computed. [2023-04-02 04:23:05,808 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 443 451) the Hoare annotation is: true [2023-04-02 04:23:05,809 INFO L895 garLoopResultBuilder]: At program point L406(line 406) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0))) [2023-04-02 04:23:05,809 INFO L899 garLoopResultBuilder]: For program point L404(lines 404 410) no Hoare annotation was computed. [2023-04-02 04:23:05,809 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification4_spec__1EXIT(lines 392 416) no Hoare annotation was computed. [2023-04-02 04:23:05,809 INFO L895 garLoopResultBuilder]: At program point L402(line 402) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0))) [2023-04-02 04:23:05,809 INFO L899 garLoopResultBuilder]: For program point L402-1(line 402) no Hoare annotation was computed. [2023-04-02 04:23:05,809 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 413) no Hoare annotation was computed. [2023-04-02 04:23:05,809 INFO L899 garLoopResultBuilder]: For program point L400-1(lines 392 416) no Hoare annotation was computed. [2023-04-02 04:23:05,809 INFO L902 garLoopResultBuilder]: At program point L398(line 398) the Hoare annotation is: true [2023-04-02 04:23:05,809 INFO L899 garLoopResultBuilder]: For program point L398-1(line 398) no Hoare annotation was computed. [2023-04-02 04:23:05,809 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 392 416) the Hoare annotation is: true [2023-04-02 04:23:05,809 INFO L895 garLoopResultBuilder]: At program point L378(line 378) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= main_~tmp~3 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-02 04:23:05,809 INFO L895 garLoopResultBuilder]: At program point L378-1(line 378) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= main_~tmp~3 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-02 04:23:05,809 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 366 388) no Hoare annotation was computed. [2023-04-02 04:23:05,809 INFO L899 garLoopResultBuilder]: For program point L376(lines 376 383) no Hoare annotation was computed. [2023-04-02 04:23:05,809 INFO L899 garLoopResultBuilder]: For program point L376-1(lines 376 383) no Hoare annotation was computed. [2023-04-02 04:23:05,810 INFO L899 garLoopResultBuilder]: For program point L374(line 374) no Hoare annotation was computed. [2023-04-02 04:23:05,810 INFO L895 garLoopResultBuilder]: At program point L373(line 373) 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 04:23:05,810 INFO L895 garLoopResultBuilder]: At program point L372(line 372) 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 04:23:05,810 INFO L895 garLoopResultBuilder]: At program point L372-1(line 372) 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 04:23:05,810 INFO L899 garLoopResultBuilder]: For program point mainFINAL(lines 366 388) no Hoare annotation was computed. [2023-04-02 04:23:05,810 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 366 388) 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 04:23:05,810 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 322 345) no Hoare annotation was computed. [2023-04-02 04:23:05,810 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 322 345) no Hoare annotation was computed. [2023-04-02 04:23:05,810 INFO L899 garLoopResultBuilder]: For program point L340(line 340) no Hoare annotation was computed. [2023-04-02 04:23:05,810 INFO L899 garLoopResultBuilder]: For program point L339(line 339) no Hoare annotation was computed. [2023-04-02 04:23:05,810 INFO L899 garLoopResultBuilder]: For program point L338(line 338) no Hoare annotation was computed. [2023-04-02 04:23:05,810 INFO L899 garLoopResultBuilder]: For program point L337(line 337) no Hoare annotation was computed. [2023-04-02 04:23:05,810 INFO L899 garLoopResultBuilder]: For program point L336(line 336) no Hoare annotation was computed. [2023-04-02 04:23:05,810 INFO L899 garLoopResultBuilder]: For program point L335(line 335) no Hoare annotation was computed. [2023-04-02 04:23:05,811 INFO L899 garLoopResultBuilder]: For program point L334(line 334) no Hoare annotation was computed. [2023-04-02 04:23:05,811 INFO L899 garLoopResultBuilder]: For program point L333(line 333) no Hoare annotation was computed. [2023-04-02 04:23:05,811 INFO L899 garLoopResultBuilder]: For program point L332(line 332) no Hoare annotation was computed. [2023-04-02 04:23:05,811 INFO L899 garLoopResultBuilder]: For program point L331(line 331) no Hoare annotation was computed. [2023-04-02 04:23:05,811 INFO L899 garLoopResultBuilder]: For program point L330(line 330) no Hoare annotation was computed. [2023-04-02 04:23:05,811 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 322 345) no Hoare annotation was computed. [2023-04-02 04:23:05,811 INFO L899 garLoopResultBuilder]: For program point L329(line 329) no Hoare annotation was computed. [2023-04-02 04:23:05,811 INFO L899 garLoopResultBuilder]: For program point L328(line 328) no Hoare annotation was computed. [2023-04-02 04:23:05,811 INFO L899 garLoopResultBuilder]: For program point L327(line 327) no Hoare annotation was computed. [2023-04-02 04:23:05,811 INFO L899 garLoopResultBuilder]: For program point L272(lines 272 276) no Hoare annotation was computed. [2023-04-02 04:23:05,811 INFO L902 garLoopResultBuilder]: At program point L270(line 270) the Hoare annotation is: true [2023-04-02 04:23:05,811 INFO L899 garLoopResultBuilder]: For program point L272-2(lines 272 276) no Hoare annotation was computed. [2023-04-02 04:23:05,811 INFO L899 garLoopResultBuilder]: For program point L270-1(line 270) no Hoare annotation was computed. [2023-04-02 04:23:05,811 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 263 281) the Hoare annotation is: true [2023-04-02 04:23:05,811 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevelEXIT(lines 263 281) no Hoare annotation was computed. [2023-04-02 04:23:05,811 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevelFINAL(lines 263 281) no Hoare annotation was computed. [2023-04-02 04:23:05,811 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 429 435) no Hoare annotation was computed. [2023-04-02 04:23:05,811 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 429 435) the Hoare annotation is: true [2023-04-02 04:23:05,811 INFO L899 garLoopResultBuilder]: For program point L890(lines 890 897) no Hoare annotation was computed. [2023-04-02 04:23:05,812 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeFINAL(lines 870 915) no Hoare annotation was computed. [2023-04-02 04:23:05,812 INFO L899 garLoopResultBuilder]: For program point L884(lines 884 904) no Hoare annotation was computed. [2023-04-02 04:23:05,812 INFO L899 garLoopResultBuilder]: For program point L884-1(lines 884 904) no Hoare annotation was computed. [2023-04-02 04:23:05,812 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 870 915) no Hoare annotation was computed. [2023-04-02 04:23:05,812 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 870 915) no Hoare annotation was computed. [2023-04-02 04:23:05,812 INFO L895 garLoopResultBuilder]: At program point L185(line 185) 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 04:23:05,812 INFO L899 garLoopResultBuilder]: For program point L185-1(lines 166 190) no Hoare annotation was computed. [2023-04-02 04:23:05,812 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 166 190) no Hoare annotation was computed. [2023-04-02 04:23:05,812 INFO L895 garLoopResultBuilder]: At program point L180(line 180) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0))) [2023-04-02 04:23:05,812 INFO L895 garLoopResultBuilder]: At program point L176(line 176) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0))) [2023-04-02 04:23:05,812 INFO L899 garLoopResultBuilder]: For program point L174(lines 174 182) no Hoare annotation was computed. [2023-04-02 04:23:05,812 INFO L895 garLoopResultBuilder]: At program point L172(line 172) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0))) [2023-04-02 04:23:05,812 INFO L899 garLoopResultBuilder]: For program point L172-1(line 172) no Hoare annotation was computed. [2023-04-02 04:23:05,812 INFO L899 garLoopResultBuilder]: For program point L170(lines 170 187) no Hoare annotation was computed. [2023-04-02 04:23:05,812 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 166 190) 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 04:23:05,813 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 158 164) no Hoare annotation was computed. [2023-04-02 04:23:05,813 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 158 164) the Hoare annotation is: true [2023-04-02 04:23:05,813 INFO L895 garLoopResultBuilder]: At program point L97(line 97) 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 04:23:05,813 INFO L899 garLoopResultBuilder]: For program point L95(lines 95 108) no Hoare annotation was computed. [2023-04-02 04:23:05,813 INFO L895 garLoopResultBuilder]: At program point L87(line 87) 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 04:23:05,813 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 55 120) no Hoare annotation was computed. [2023-04-02 04:23:05,813 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2023-04-02 04:23:05,813 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 85 91) no Hoare annotation was computed. [2023-04-02 04:23:05,813 INFO L895 garLoopResultBuilder]: At program point L110(lines 65 112) 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 04:23:05,813 INFO L895 garLoopResultBuilder]: At program point L77(line 77) 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 04:23:05,813 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 81) no Hoare annotation was computed. [2023-04-02 04:23:05,813 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2023-04-02 04:23:05,814 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 55 120) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-02 04:23:05,814 INFO L899 garLoopResultBuilder]: For program point L67(lines 67 71) no Hoare annotation was computed. [2023-04-02 04:23:05,814 INFO L895 garLoopResultBuilder]: At program point L113(lines 64 114) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-02 04:23:05,814 INFO L899 garLoopResultBuilder]: For program point L103(lines 103 107) no Hoare annotation was computed. [2023-04-02 04:23:05,814 INFO L895 garLoopResultBuilder]: At program point L103-2(lines 95 108) 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 04:23:05,814 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 55 120) no Hoare annotation was computed. [2023-04-02 04:23:05,814 INFO L899 garLoopResultBuilder]: For program point L66(lines 65 112) no Hoare annotation was computed. [2023-04-02 04:23:05,814 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDryFINAL(lines 532 540) no Hoare annotation was computed. [2023-04-02 04:23:05,814 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 532 540) the Hoare annotation is: true [2023-04-02 04:23:05,814 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDryEXIT(lines 532 540) no Hoare annotation was computed. [2023-04-02 04:23:05,814 INFO L899 garLoopResultBuilder]: For program point L508(lines 508 516) no Hoare annotation was computed. [2023-04-02 04:23:05,814 INFO L899 garLoopResultBuilder]: For program point L508-2(lines 508 516) no Hoare annotation was computed. [2023-04-02 04:23:05,814 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 500 522) no Hoare annotation was computed. [2023-04-02 04:23:05,814 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 500 522) no Hoare annotation was computed. [2023-04-02 04:23:05,814 INFO L899 garLoopResultBuilder]: For program point printEnvironmentFINAL(lines 500 522) no Hoare annotation was computed. [2023-04-02 04:23:05,814 INFO L899 garLoopResultBuilder]: For program point activatePumpFINAL(lines 191 198) no Hoare annotation was computed. [2023-04-02 04:23:05,815 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 191 198) no Hoare annotation was computed. [2023-04-02 04:23:05,815 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 191 198) no Hoare annotation was computed. [2023-04-02 04:23:05,815 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 523 531) the Hoare annotation is: true [2023-04-02 04:23:05,815 INFO L899 garLoopResultBuilder]: For program point getWaterLevelFINAL(lines 523 531) no Hoare annotation was computed. [2023-04-02 04:23:05,815 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 523 531) no Hoare annotation was computed. [2023-04-02 04:23:05,815 INFO L895 garLoopResultBuilder]: At program point L147(line 147) 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 04:23:05,815 INFO L895 garLoopResultBuilder]: At program point L145(lines 145 151) 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 04:23:05,815 INFO L895 garLoopResultBuilder]: At program point L140(line 140) 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 04:23:05,815 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 134 157) no Hoare annotation was computed. [2023-04-02 04:23:05,815 INFO L899 garLoopResultBuilder]: For program point L138(lines 137 156) no Hoare annotation was computed. [2023-04-02 04:23:05,815 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 134 157) 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 04:23:05,815 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 134 157) no Hoare annotation was computed. [2023-04-02 04:23:05,815 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 292 321) no Hoare annotation was computed. [2023-04-02 04:23:05,816 INFO L902 garLoopResultBuilder]: At program point L317(lines 292 321) the Hoare annotation is: true [2023-04-02 04:23:05,816 INFO L899 garLoopResultBuilder]: For program point L313(line 313) no Hoare annotation was computed. [2023-04-02 04:23:05,816 INFO L899 garLoopResultBuilder]: For program point L306(lines 306 310) no Hoare annotation was computed. [2023-04-02 04:23:05,816 INFO L902 garLoopResultBuilder]: At program point L306-1(lines 306 310) the Hoare annotation is: true [2023-04-02 04:23:05,816 INFO L899 garLoopResultBuilder]: For program point L303(line 303) no Hoare annotation was computed. [2023-04-02 04:23:05,816 INFO L902 garLoopResultBuilder]: At program point L302-2(lines 302 316) the Hoare annotation is: true [2023-04-02 04:23:05,816 INFO L902 garLoopResultBuilder]: At program point L298(line 298) the Hoare annotation is: true [2023-04-02 04:23:05,816 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 292 321) the Hoare annotation is: true [2023-04-02 04:23:05,816 INFO L899 garLoopResultBuilder]: For program point L298-1(line 298) no Hoare annotation was computed. [2023-04-02 04:23:05,816 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 491 499) no Hoare annotation was computed. [2023-04-02 04:23:05,816 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 491 499) no Hoare annotation was computed. [2023-04-02 04:23:05,816 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 491 499) no Hoare annotation was computed. [2023-04-02 04:23:05,816 INFO L899 garLoopResultBuilder]: For program point L459-1(lines 455 466) no Hoare annotation was computed. [2023-04-02 04:23:05,816 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 455 466) no Hoare annotation was computed. [2023-04-02 04:23:05,816 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 455 466) the Hoare annotation is: true [2023-04-02 04:23:05,817 INFO L899 garLoopResultBuilder]: For program point startSystemEXIT(lines 282 289) no Hoare annotation was computed. [2023-04-02 04:23:05,817 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 282 289) 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 04:23:05,817 INFO L899 garLoopResultBuilder]: For program point startSystemFINAL(lines 282 289) no Hoare annotation was computed. [2023-04-02 04:23:05,817 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 467 478) no Hoare annotation was computed. [2023-04-02 04:23:05,818 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 467 478) 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 04:23:05,818 INFO L899 garLoopResultBuilder]: For program point L471-1(lines 467 478) no Hoare annotation was computed. [2023-04-02 04:23:05,818 INFO L899 garLoopResultBuilder]: For program point __automaton_failFINAL(lines 542 549) no Hoare annotation was computed. [2023-04-02 04:23:05,818 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 542 549) the Hoare annotation is: true [2023-04-02 04:23:05,818 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 546) no Hoare annotation was computed. [2023-04-02 04:23:05,818 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 542 549) no Hoare annotation was computed. [2023-04-02 04:23:05,818 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 436 442) the Hoare annotation is: true [2023-04-02 04:23:05,818 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 436 442) no Hoare annotation was computed. [2023-04-02 04:23:05,818 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 218 226) no Hoare annotation was computed. [2023-04-02 04:23:05,818 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 218 226) no Hoare annotation was computed. [2023-04-02 04:23:05,818 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 218 226) the Hoare annotation is: true [2023-04-02 04:23:05,818 INFO L899 garLoopResultBuilder]: For program point L257(line 257) no Hoare annotation was computed. [2023-04-02 04:23:05,818 INFO L899 garLoopResultBuilder]: For program point L257-1(line 257) no Hoare annotation was computed. [2023-04-02 04:23:05,818 INFO L899 garLoopResultBuilder]: For program point L246(lines 246 254) no Hoare annotation was computed. [2023-04-02 04:23:05,818 INFO L899 garLoopResultBuilder]: For program point L246-2(lines 246 254) no Hoare annotation was computed. [2023-04-02 04:23:05,818 INFO L899 garLoopResultBuilder]: For program point printPumpFINAL(lines 227 262) no Hoare annotation was computed. [2023-04-02 04:23:05,819 INFO L899 garLoopResultBuilder]: For program point L234(lines 234 242) no Hoare annotation was computed. [2023-04-02 04:23:05,819 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 227 262) no Hoare annotation was computed. [2023-04-02 04:23:05,819 INFO L899 garLoopResultBuilder]: For program point L234-2(lines 234 242) no Hoare annotation was computed. [2023-04-02 04:23:05,819 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 227 262) no Hoare annotation was computed. [2023-04-02 04:23:05,819 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 557 602) no Hoare annotation was computed. [2023-04-02 04:23:05,819 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 557 602) no Hoare annotation was computed. [2023-04-02 04:23:05,819 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setFINAL(lines 557 602) no Hoare annotation was computed. [2023-04-02 04:23:05,819 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 353 362) no Hoare annotation was computed. [2023-04-02 04:23:05,819 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 353 362) 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 04:23:05,819 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 353 362) no Hoare annotation was computed. [2023-04-02 04:23:05,819 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 207 217) no Hoare annotation was computed. [2023-04-02 04:23:05,819 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 207 217) no Hoare annotation was computed. [2023-04-02 04:23:05,819 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 207 217) no Hoare annotation was computed. [2023-04-02 04:23:05,819 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2023-04-02 04:23:05,819 INFO L899 garLoopResultBuilder]: For program point L212-1(line 212) no Hoare annotation was computed. [2023-04-02 04:23:05,819 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 199 206) no Hoare annotation was computed. [2023-04-02 04:23:05,819 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 199 206) the Hoare annotation is: true [2023-04-02 04:23:05,820 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 199 206) no Hoare annotation was computed. [2023-04-02 04:23:05,820 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 824 869) no Hoare annotation was computed. [2023-04-02 04:23:05,820 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argFINAL(lines 824 869) no Hoare annotation was computed. [2023-04-02 04:23:05,820 INFO L899 garLoopResultBuilder]: For program point L844(lines 844 851) no Hoare annotation was computed. [2023-04-02 04:23:05,820 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 824 869) no Hoare annotation was computed. [2023-04-02 04:23:05,820 INFO L899 garLoopResultBuilder]: For program point L838(lines 838 858) no Hoare annotation was computed. [2023-04-02 04:23:05,820 INFO L899 garLoopResultBuilder]: For program point L838-1(lines 838 858) no Hoare annotation was computed. [2023-04-02 04:23:05,820 INFO L899 garLoopResultBuilder]: For program point select_oneFINAL(lines 419 428) no Hoare annotation was computed. [2023-04-02 04:23:05,820 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 419 428) no Hoare annotation was computed. [2023-04-02 04:23:05,820 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 419 428) no Hoare annotation was computed. [2023-04-02 04:23:05,820 INFO L899 garLoopResultBuilder]: For program point L770-2(lines 770 790) no Hoare annotation was computed. [2023-04-02 04:23:05,820 INFO L899 garLoopResultBuilder]: For program point L791(lines 769 792) no Hoare annotation was computed. [2023-04-02 04:23:05,820 INFO L899 garLoopResultBuilder]: For program point L750(lines 750 766) no Hoare annotation was computed. [2023-04-02 04:23:05,820 INFO L899 garLoopResultBuilder]: For program point L810(lines 810 817) no Hoare annotation was computed. [2023-04-02 04:23:05,820 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 721 823) no Hoare annotation was computed. [2023-04-02 04:23:05,820 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 721 823) no Hoare annotation was computed. [2023-04-02 04:23:05,820 INFO L899 garLoopResultBuilder]: For program point L771(lines 770 790) no Hoare annotation was computed. [2023-04-02 04:23:05,820 INFO L899 garLoopResultBuilder]: For program point L802(line 802) no Hoare annotation was computed. [2023-04-02 04:23:05,821 INFO L899 garLoopResultBuilder]: For program point L802-1(line 802) no Hoare annotation was computed. [2023-04-02 04:23:05,821 INFO L899 garLoopResultBuilder]: For program point L767(lines 767 808) no Hoare annotation was computed. [2023-04-02 04:23:05,821 INFO L899 garLoopResultBuilder]: For program point L786(line 786) no Hoare annotation was computed. [2023-04-02 04:23:05,821 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 721 823) no Hoare annotation was computed. [2023-04-02 04:23:05,821 INFO L899 garLoopResultBuilder]: For program point L786-1(line 786) no Hoare annotation was computed. [2023-04-02 04:23:05,821 INFO L899 garLoopResultBuilder]: For program point L745(lines 745 749) no Hoare annotation was computed. [2023-04-02 04:23:05,821 INFO L899 garLoopResultBuilder]: For program point L809(lines 809 820) no Hoare annotation was computed. [2023-04-02 04:23:05,821 INFO L899 garLoopResultBuilder]: For program point L772(lines 772 776) no Hoare annotation was computed. [2023-04-02 04:23:05,821 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:23:05,821 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 04:23:05,821 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:23:05,821 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 479 490) 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 04:23:05,821 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 479 490) no Hoare annotation was computed. [2023-04-02 04:23:05,821 INFO L899 garLoopResultBuilder]: For program point L483-1(lines 479 490) no Hoare annotation was computed. [2023-04-02 04:23:05,821 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:23:05,821 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:23:05,822 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-02 04:23:05,822 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 346 352) no Hoare annotation was computed. [2023-04-02 04:23:05,822 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 346 352) the Hoare annotation is: true [2023-04-02 04:23:05,822 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:23:05,822 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 04:23:05,822 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:23:05,822 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-02 04:23:05,831 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-04-02 04:23:05,832 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-02 04:23:05,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.04 04:23:05 BoogieIcfgContainer [2023-04-02 04:23:05,861 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-02 04:23:05,862 INFO L158 Benchmark]: Toolchain (without parser) took 7676.76ms. Allocated memory was 400.6MB in the beginning and 505.4MB in the end (delta: 104.9MB). Free memory was 358.0MB in the beginning and 368.6MB in the end (delta: -10.6MB). Peak memory consumption was 294.0MB. Max. memory is 8.0GB. [2023-04-02 04:23:05,862 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 224.4MB. Free memory is still 169.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-02 04:23:05,862 INFO L158 Benchmark]: CACSL2BoogieTranslator took 470.14ms. Allocated memory is still 400.6MB. Free memory was 357.5MB in the beginning and 339.1MB in the end (delta: 18.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-04-02 04:23:05,862 INFO L158 Benchmark]: Boogie Preprocessor took 75.70ms. Allocated memory is still 400.6MB. Free memory was 339.1MB in the beginning and 336.0MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-02 04:23:05,862 INFO L158 Benchmark]: RCFGBuilder took 778.00ms. Allocated memory is still 400.6MB. Free memory was 335.5MB in the beginning and 297.2MB in the end (delta: 38.3MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. [2023-04-02 04:23:05,863 INFO L158 Benchmark]: TraceAbstraction took 6348.72ms. Allocated memory was 400.6MB in the beginning and 505.4MB in the end (delta: 104.9MB). Free memory was 296.1MB in the beginning and 368.6MB in the end (delta: -72.4MB). Peak memory consumption was 232.1MB. Max. memory is 8.0GB. [2023-04-02 04:23:05,863 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 224.4MB. Free memory is still 169.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 470.14ms. Allocated memory is still 400.6MB. Free memory was 357.5MB in the beginning and 339.1MB in the end (delta: 18.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 75.70ms. Allocated memory is still 400.6MB. Free memory was 339.1MB in the beginning and 336.0MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 778.00ms. Allocated memory is still 400.6MB. Free memory was 335.5MB in the beginning and 297.2MB in the end (delta: 38.3MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. * TraceAbstraction took 6348.72ms. Allocated memory was 400.6MB in the beginning and 505.4MB in the end (delta: 104.9MB). Free memory was 296.1MB in the beginning and 368.6MB in the end (delta: -72.4MB). Peak memory consumption was 232.1MB. 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: 546]: 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 39 procedures, 221 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.3s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1226 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1177 mSDsluCounter, 305 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 230 mSDsCounter, 654 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2665 IncrementalHoareTripleChecker+Invalid, 3319 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 654 mSolverCounterUnsat, 75 mSDtfsCounter, 2665 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 390 GetRequests, 314 SyntacticMatches, 8 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=236occurred 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: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 161 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 306 PreInvPairs, 329 NumberOfFragments, 847 HoareAnnotationTreeSize, 306 FomulaSimplifications, 8288 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 51 FomulaSimplificationsInter, 1807 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 469 NumberOfCodeBlocks, 469 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 561 ConstructedInterpolants, 0 QuantifiedInterpolants, 1297 SizeOfPredicates, 3 NumberOfNonLiveVariables, 390 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 90/96 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: 64]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1) - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 65]: 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) RESULT: Ultimate proved your program to be correct! [2023-04-02 04:23:05,876 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...