/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_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 04:23:15,125 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 04:23:15,126 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 04:23:15,146 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 04:23:15,146 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 04:23:15,147 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 04:23:15,147 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 04:23:15,149 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 04:23:15,150 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 04:23:15,150 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 04:23:15,151 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 04:23:15,152 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 04:23:15,152 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 04:23:15,153 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 04:23:15,153 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 04:23:15,154 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 04:23:15,154 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 04:23:15,155 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 04:23:15,156 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 04:23:15,157 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 04:23:15,158 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 04:23:15,159 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 04:23:15,159 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 04:23:15,160 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 04:23:15,162 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 04:23:15,162 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 04:23:15,162 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 04:23:15,163 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 04:23:15,163 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 04:23:15,164 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 04:23:15,164 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 04:23:15,164 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 04:23:15,165 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 04:23:15,165 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 04:23:15,166 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 04:23:15,166 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 04:23:15,166 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 04:23:15,166 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 04:23:15,167 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 04:23:15,167 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 04:23:15,167 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 04:23:15,168 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-04-02 04:23:15,181 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 04:23:15,182 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 04:23:15,182 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 04:23:15,182 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 04:23:15,183 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 04:23:15,183 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 04:23:15,183 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 04:23:15,183 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 04:23:15,183 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 04:23:15,183 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 04:23:15,183 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 04:23:15,184 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 04:23:15,184 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 04:23:15,184 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 04:23:15,184 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 04:23:15,184 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 04:23:15,184 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 04:23:15,184 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 04:23:15,184 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 04:23:15,184 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 04:23:15,184 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 04:23:15,185 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 04:23:15,185 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 04:23:15,185 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 04:23:15,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 04:23:15,185 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 04:23:15,185 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 04:23:15,185 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 04:23:15,186 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 04:23:15,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 04:23:15,186 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 04:23:15,186 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 04:23:15,186 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 04:23:15,186 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 04:23:15,187 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 04:23:15,187 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 04:23:15,384 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 04:23:15,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 04:23:15,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 04:23:15,407 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 04:23:15,408 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 04:23:15,409 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c [2023-04-02 04:23:16,453 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 04:23:16,628 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 04:23:16,628 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c [2023-04-02 04:23:16,638 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13b75623b/b28fc42190db4b25ac080a3b37fb7c94/FLAG27a3a9956 [2023-04-02 04:23:16,650 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13b75623b/b28fc42190db4b25ac080a3b37fb7c94 [2023-04-02 04:23:16,652 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 04:23:16,653 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 04:23:16,655 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 04:23:16,655 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 04:23:16,658 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 04:23:16,659 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 04:23:16" (1/1) ... [2023-04-02 04:23:16,659 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@230bfaeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:16, skipping insertion in model container [2023-04-02 04:23:16,659 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 04:23:16" (1/1) ... [2023-04-02 04:23:16,665 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 04:23:16,692 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 04:23:16,820 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_product27.cil.c[2897,2910] [2023-04-02 04:23:16,919 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 04:23:16,933 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 04:23:16,960 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_product27.cil.c[2897,2910] [2023-04-02 04:23:16,984 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 04:23:16,997 INFO L208 MainTranslator]: Completed translation [2023-04-02 04:23:16,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:16 WrapperNode [2023-04-02 04:23:16,997 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 04:23:16,998 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 04:23:16,998 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 04:23:16,998 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 04:23:17,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:16" (1/1) ... [2023-04-02 04:23:17,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:16" (1/1) ... [2023-04-02 04:23:17,015 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:16" (1/1) ... [2023-04-02 04:23:17,015 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:16" (1/1) ... [2023-04-02 04:23:17,029 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:16" (1/1) ... [2023-04-02 04:23:17,035 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:16" (1/1) ... [2023-04-02 04:23:17,037 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:16" (1/1) ... [2023-04-02 04:23:17,039 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:16" (1/1) ... [2023-04-02 04:23:17,042 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 04:23:17,043 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 04:23:17,043 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 04:23:17,043 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 04:23:17,043 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:16" (1/1) ... [2023-04-02 04:23:17,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 04:23:17,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:23:17,079 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-02 04:23:17,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-02 04:23:17,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 04:23:17,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 04:23:17,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-02 04:23:17,103 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 04:23:17,103 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-02 04:23:17,103 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-02 04:23:17,103 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-02 04:23:17,103 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-02 04:23:17,103 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 04:23:17,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-02 04:23:17,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2023-04-02 04:23:17,103 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-02 04:23:17,103 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-02 04:23:17,104 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-02 04:23:17,104 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-02 04:23:17,104 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-02 04:23:17,104 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-02 04:23:17,104 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2023-04-02 04:23:17,104 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-02 04:23:17,104 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-02 04:23:17,104 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-04-02 04:23:17,104 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-02 04:23:17,104 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2023-04-02 04:23:17,104 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-02 04:23:17,104 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-02 04:23:17,104 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-02 04:23:17,104 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-02 04:23:17,104 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-02 04:23:17,105 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2023-04-02 04:23:17,105 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2023-04-02 04:23:17,105 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-02 04:23:17,105 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-02 04:23:17,105 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-02 04:23:17,105 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-02 04:23:17,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-02 04:23:17,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-02 04:23:17,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-02 04:23:17,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-02 04:23:17,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-02 04:23:17,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-02 04:23:17,105 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 04:23:17,105 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 04:23:17,106 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 04:23:17,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 04:23:17,106 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 04:23:17,106 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-02 04:23:17,106 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-02 04:23:17,106 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-02 04:23:17,106 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-02 04:23:17,106 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-02 04:23:17,106 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-02 04:23:17,106 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-02 04:23:17,106 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-02 04:23:17,106 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-02 04:23:17,106 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-02 04:23:17,106 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-02 04:23:17,107 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-02 04:23:17,107 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-02 04:23:17,107 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 04:23:17,107 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-02 04:23:17,107 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-02 04:23:17,107 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-02 04:23:17,107 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2023-04-02 04:23:17,107 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-02 04:23:17,107 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-02 04:23:17,107 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-02 04:23:17,107 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2023-04-02 04:23:17,107 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2023-04-02 04:23:17,107 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-02 04:23:17,107 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-02 04:23:17,108 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-02 04:23:17,108 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-04-02 04:23:17,108 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2023-04-02 04:23:17,108 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2023-04-02 04:23:17,108 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-02 04:23:17,108 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-02 04:23:17,108 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 04:23:17,108 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 04:23:17,108 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-02 04:23:17,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 04:23:17,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 04:23:17,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 04:23:17,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 04:23:17,108 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-02 04:23:17,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 04:23:17,109 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-02 04:23:17,109 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-02 04:23:17,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 04:23:17,109 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-02 04:23:17,109 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-02 04:23:17,109 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-02 04:23:17,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 04:23:17,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 04:23:17,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 04:23:17,221 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 04:23:17,223 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 04:23:17,738 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 04:23:17,744 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 04:23:17,744 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-02 04:23:17,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 04:23:17 BoogieIcfgContainer [2023-04-02 04:23:17,745 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 04:23:17,747 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 04:23:17,747 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 04:23:17,750 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 04:23:17,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 04:23:16" (1/3) ... [2023-04-02 04:23:17,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c9440f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 04:23:17, skipping insertion in model container [2023-04-02 04:23:17,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:16" (2/3) ... [2023-04-02 04:23:17,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c9440f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 04:23:17, skipping insertion in model container [2023-04-02 04:23:17,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 04:23:17" (3/3) ... [2023-04-02 04:23:17,752 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product27.cil.c [2023-04-02 04:23:17,764 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 04:23:17,764 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 04:23:17,808 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 04:23:17,812 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;@429559b4, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 04:23:17,813 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 04:23:17,817 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 83 states have (on average 1.3132530120481927) internal successors, (109), 95 states have internal predecessors, (109), 42 states have call successors, (42), 25 states have call predecessors, (42), 25 states have return successors, (42), 40 states have call predecessors, (42), 42 states have call successors, (42) [2023-04-02 04:23:17,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-04-02 04:23:17,825 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:23:17,825 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:23:17,826 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:23:17,829 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:23:17,829 INFO L85 PathProgramCache]: Analyzing trace with hash -427988514, now seen corresponding path program 1 times [2023-04-02 04:23:17,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:23:17,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601857406] [2023-04-02 04:23:17,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:23:17,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:23:17,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:18,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:23:18,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:18,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:23:18,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:18,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:23:18,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:18,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:23:18,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:18,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:23:18,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:18,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-04-02 04:23:18,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:18,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 04:23:18,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:18,095 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 04:23:18,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:23:18,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601857406] [2023-04-02 04:23:18,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601857406] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:23:18,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:23:18,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-02 04:23:18,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996115575] [2023-04-02 04:23:18,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:23:18,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 04:23:18,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:23:18,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 04:23:18,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-02 04:23:18,145 INFO L87 Difference]: Start difference. First operand has 153 states, 83 states have (on average 1.3132530120481927) internal successors, (109), 95 states have internal predecessors, (109), 42 states have call successors, (42), 25 states have call predecessors, (42), 25 states have return successors, (42), 40 states have call predecessors, (42), 42 states have call successors, (42) 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 04:23:18,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:23:18,539 INFO L93 Difference]: Finished difference Result 261 states and 346 transitions. [2023-04-02 04:23:18,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 04:23:18,541 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 04:23:18,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:23:18,551 INFO L225 Difference]: With dead ends: 261 [2023-04-02 04:23:18,552 INFO L226 Difference]: Without dead ends: 142 [2023-04-02 04:23:18,556 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 04:23:18,560 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 80 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-02 04:23:18,561 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 22 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-02 04:23:18,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2023-04-02 04:23:18,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 110. [2023-04-02 04:23:18,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 64 states have (on average 1.25) internal successors, (80), 73 states have internal predecessors, (80), 27 states have call successors, (27), 23 states have call predecessors, (27), 18 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2023-04-02 04:23:18,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 129 transitions. [2023-04-02 04:23:18,629 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 129 transitions. Word has length 46 [2023-04-02 04:23:18,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:23:18,629 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 129 transitions. [2023-04-02 04:23:18,630 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 04:23:18,630 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 129 transitions. [2023-04-02 04:23:18,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-04-02 04:23:18,633 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:23:18,633 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 04:23:18,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 04:23:18,633 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:23:18,634 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:23:18,634 INFO L85 PathProgramCache]: Analyzing trace with hash 795507814, now seen corresponding path program 1 times [2023-04-02 04:23:18,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:23:18,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232240223] [2023-04-02 04:23:18,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:23:18,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:23:18,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:18,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:23:18,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:18,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:23:18,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:18,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:23:18,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:18,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:23:18,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:18,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:23:18,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:18,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-04-02 04:23:18,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:18,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 04:23:18,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:18,765 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 04:23:18,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:23:18,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232240223] [2023-04-02 04:23:18,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232240223] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:23:18,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:23:18,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-02 04:23:18,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259116679] [2023-04-02 04:23:18,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:23:18,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-02 04:23:18,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:23:18,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-02 04:23:18,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-02 04:23:18,770 INFO L87 Difference]: Start difference. First operand 110 states and 129 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 04:23:19,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:23:19,032 INFO L93 Difference]: Finished difference Result 188 states and 229 transitions. [2023-04-02 04:23:19,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-02 04:23:19,033 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 04:23:19,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:23:19,034 INFO L225 Difference]: With dead ends: 188 [2023-04-02 04:23:19,034 INFO L226 Difference]: Without dead ends: 126 [2023-04-02 04:23:19,035 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 04:23:19,036 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 90 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-02 04:23:19,036 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 28 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-02 04:23:19,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2023-04-02 04:23:19,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 101. [2023-04-02 04:23:19,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 58 states have (on average 1.2586206896551724) internal successors, (73), 67 states have internal predecessors, (73), 24 states have call successors, (24), 22 states have call predecessors, (24), 18 states have return successors, (20), 18 states have call predecessors, (20), 20 states have call successors, (20) [2023-04-02 04:23:19,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 117 transitions. [2023-04-02 04:23:19,053 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 117 transitions. Word has length 47 [2023-04-02 04:23:19,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:23:19,053 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 117 transitions. [2023-04-02 04:23:19,054 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 04:23:19,054 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 117 transitions. [2023-04-02 04:23:19,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-04-02 04:23:19,055 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:23:19,055 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:23:19,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 04:23:19,055 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:23:19,055 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:23:19,055 INFO L85 PathProgramCache]: Analyzing trace with hash -714293974, now seen corresponding path program 1 times [2023-04-02 04:23:19,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:23:19,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309961693] [2023-04-02 04:23:19,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:23:19,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:23:19,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:19,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:23:19,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:19,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:23:19,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:19,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:23:19,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:19,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:23:19,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:19,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:23:19,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:19,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 04:23:19,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:19,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-04-02 04:23:19,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:19,248 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 04:23:19,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:23:19,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309961693] [2023-04-02 04:23:19,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309961693] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:23:19,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:23:19,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 04:23:19,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585850224] [2023-04-02 04:23:19,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:23:19,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 04:23:19,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:23:19,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 04:23:19,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-04-02 04:23:19,250 INFO L87 Difference]: Start difference. First operand 101 states and 117 transitions. Second operand has 8 states, 8 states have (on average 3.875) internal successors, (31), 6 states have internal predecessors, (31), 4 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-02 04:23:19,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:23:19,842 INFO L93 Difference]: Finished difference Result 351 states and 437 transitions. [2023-04-02 04:23:19,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-02 04:23:19,842 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 6 states have internal predecessors, (31), 4 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 51 [2023-04-02 04:23:19,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:23:19,844 INFO L225 Difference]: With dead ends: 351 [2023-04-02 04:23:19,844 INFO L226 Difference]: Without dead ends: 274 [2023-04-02 04:23:19,845 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-04-02 04:23:19,846 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 255 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 763 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 763 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-02 04:23:19,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 103 Invalid, 876 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 763 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-02 04:23:19,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2023-04-02 04:23:19,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 220. [2023-04-02 04:23:19,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 133 states have (on average 1.300751879699248) internal successors, (173), 151 states have internal predecessors, (173), 48 states have call successors, (48), 44 states have call predecessors, (48), 38 states have return successors, (45), 36 states have call predecessors, (45), 44 states have call successors, (45) [2023-04-02 04:23:19,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 266 transitions. [2023-04-02 04:23:19,880 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 266 transitions. Word has length 51 [2023-04-02 04:23:19,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:23:19,880 INFO L495 AbstractCegarLoop]: Abstraction has 220 states and 266 transitions. [2023-04-02 04:23:19,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 6 states have internal predecessors, (31), 4 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-02 04:23:19,881 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 266 transitions. [2023-04-02 04:23:19,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-04-02 04:23:19,882 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:23:19,882 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:23:19,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 04:23:19,882 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:23:19,882 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:23:19,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1126403240, now seen corresponding path program 1 times [2023-04-02 04:23:19,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:23:19,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658317914] [2023-04-02 04:23:19,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:23:19,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:23:19,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:20,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:23:20,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:20,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:23:20,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:20,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:23:20,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:20,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:23:20,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:20,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:23:20,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:20,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-04-02 04:23:20,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:20,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-04-02 04:23:20,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:20,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-02 04:23:20,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:20,111 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 04:23:20,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:23:20,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658317914] [2023-04-02 04:23:20,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658317914] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:23:20,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:23:20,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 04:23:20,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112161842] [2023-04-02 04:23:20,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:23:20,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 04:23:20,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:23:20,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 04:23:20,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2023-04-02 04:23:20,113 INFO L87 Difference]: Start difference. First operand 220 states and 266 transitions. Second operand has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 8 states have internal predecessors, (35), 4 states have call successors, (14), 6 states have call predecessors, (14), 4 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2023-04-02 04:23:21,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:23:21,005 INFO L93 Difference]: Finished difference Result 871 states and 1174 transitions. [2023-04-02 04:23:21,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-04-02 04:23:21,006 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 8 states have internal predecessors, (35), 4 states have call successors, (14), 6 states have call predecessors, (14), 4 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) Word has length 57 [2023-04-02 04:23:21,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:23:21,012 INFO L225 Difference]: With dead ends: 871 [2023-04-02 04:23:21,012 INFO L226 Difference]: Without dead ends: 675 [2023-04-02 04:23:21,029 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2023-04-02 04:23:21,030 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 375 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 1071 mSolverCounterSat, 187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 391 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 1258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 187 IncrementalHoareTripleChecker+Valid, 1071 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-02 04:23:21,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [391 Valid, 117 Invalid, 1258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [187 Valid, 1071 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-02 04:23:21,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states. [2023-04-02 04:23:21,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 582. [2023-04-02 04:23:21,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 582 states, 356 states have (on average 1.2808988764044944) internal successors, (456), 408 states have internal predecessors, (456), 122 states have call successors, (122), 105 states have call predecessors, (122), 103 states have return successors, (146), 96 states have call predecessors, (146), 118 states have call successors, (146) [2023-04-02 04:23:21,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 724 transitions. [2023-04-02 04:23:21,148 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 724 transitions. Word has length 57 [2023-04-02 04:23:21,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:23:21,148 INFO L495 AbstractCegarLoop]: Abstraction has 582 states and 724 transitions. [2023-04-02 04:23:21,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 8 states have internal predecessors, (35), 4 states have call successors, (14), 6 states have call predecessors, (14), 4 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2023-04-02 04:23:21,148 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 724 transitions. [2023-04-02 04:23:21,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-04-02 04:23:21,151 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:23:21,151 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:23:21,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-02 04:23:21,151 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:23:21,151 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:23:21,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1334251918, now seen corresponding path program 1 times [2023-04-02 04:23:21,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:23:21,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825797822] [2023-04-02 04:23:21,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:23:21,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:23:21,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:21,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:23:21,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:21,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:23:21,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:21,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:23:21,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:21,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:23:21,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:21,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:23:21,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:21,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-04-02 04:23:21,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:21,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-04-02 04:23:21,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:21,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-04-02 04:23:21,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:21,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 04:23:21,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:21,265 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 04:23:21,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:23:21,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825797822] [2023-04-02 04:23:21,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825797822] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:23:21,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:23:21,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-02 04:23:21,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164098772] [2023-04-02 04:23:21,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:23:21,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-02 04:23:21,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:23:21,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-02 04:23:21,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-04-02 04:23:21,266 INFO L87 Difference]: Start difference. First operand 582 states and 724 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2023-04-02 04:23:21,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:23:21,471 INFO L93 Difference]: Finished difference Result 973 states and 1255 transitions. [2023-04-02 04:23:21,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-02 04:23:21,471 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) Word has length 61 [2023-04-02 04:23:21,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:23:21,473 INFO L225 Difference]: With dead ends: 973 [2023-04-02 04:23:21,473 INFO L226 Difference]: Without dead ends: 415 [2023-04-02 04:23:21,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-04-02 04:23:21,475 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 183 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-02 04:23:21,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 40 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-02 04:23:21,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2023-04-02 04:23:21,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 390. [2023-04-02 04:23:21,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 252 states have (on average 1.2261904761904763) internal successors, (309), 274 states have internal predecessors, (309), 69 states have call successors, (69), 69 states have call predecessors, (69), 68 states have return successors, (71), 65 states have call predecessors, (71), 65 states have call successors, (71) [2023-04-02 04:23:21,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 449 transitions. [2023-04-02 04:23:21,503 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 449 transitions. Word has length 61 [2023-04-02 04:23:21,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:23:21,503 INFO L495 AbstractCegarLoop]: Abstraction has 390 states and 449 transitions. [2023-04-02 04:23:21,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2023-04-02 04:23:21,503 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 449 transitions. [2023-04-02 04:23:21,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-04-02 04:23:21,505 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:23:21,505 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:23:21,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-02 04:23:21,505 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:23:21,505 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:23:21,505 INFO L85 PathProgramCache]: Analyzing trace with hash -2035545921, now seen corresponding path program 1 times [2023-04-02 04:23:21,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:23:21,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956697415] [2023-04-02 04:23:21,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:23:21,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:23:21,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:21,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:23:21,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:21,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:23:21,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:21,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:23:21,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:21,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:23:21,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:21,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:23:21,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:21,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 04:23:21,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:21,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 04:23:21,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:21,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-04-02 04:23:21,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:21,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:23:21,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:21,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:23:21,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:21,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-04-02 04:23:21,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:21,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-04-02 04:23:21,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:21,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-04-02 04:23:21,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:21,695 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-02 04:23:21,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:23:21,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956697415] [2023-04-02 04:23:21,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956697415] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 04:23:21,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [515536726] [2023-04-02 04:23:21,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:23:21,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:23:21,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:23:21,733 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 04:23:21,757 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 04:23:21,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:21,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 15 conjunts are in the unsatisfiable core [2023-04-02 04:23:21,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 04:23:22,046 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-02 04:23:22,046 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 04:23:22,309 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-04-02 04:23:22,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [515536726] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-02 04:23:22,309 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-02 04:23:22,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 8] total 18 [2023-04-02 04:23:22,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357324842] [2023-04-02 04:23:22,310 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-02 04:23:22,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-04-02 04:23:22,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:23:22,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-04-02 04:23:22,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2023-04-02 04:23:22,313 INFO L87 Difference]: Start difference. First operand 390 states and 449 transitions. Second operand has 18 states, 18 states have (on average 5.777777777777778) internal successors, (104), 12 states have internal predecessors, (104), 7 states have call successors, (46), 12 states have call predecessors, (46), 11 states have return successors, (34), 8 states have call predecessors, (34), 7 states have call successors, (34) [2023-04-02 04:23:22,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:23:22,898 INFO L93 Difference]: Finished difference Result 522 states and 614 transitions. [2023-04-02 04:23:22,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-02 04:23:22,899 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 5.777777777777778) internal successors, (104), 12 states have internal predecessors, (104), 7 states have call successors, (46), 12 states have call predecessors, (46), 11 states have return successors, (34), 8 states have call predecessors, (34), 7 states have call successors, (34) Word has length 88 [2023-04-02 04:23:22,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:23:22,901 INFO L225 Difference]: With dead ends: 522 [2023-04-02 04:23:22,901 INFO L226 Difference]: Without dead ends: 0 [2023-04-02 04:23:22,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 191 SyntacticMatches, 8 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=175, Invalid=527, Unknown=0, NotChecked=0, Total=702 [2023-04-02 04:23:22,909 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 437 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 839 mSolverCounterSat, 263 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 437 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 1102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 263 IncrementalHoareTripleChecker+Valid, 839 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-02 04:23:22,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [437 Valid, 160 Invalid, 1102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [263 Valid, 839 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-02 04:23:22,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-02 04:23:22,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-02 04:23:22,911 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 04:23:22,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-02 04:23:22,911 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2023-04-02 04:23:22,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:23:22,911 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-02 04:23:22,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.777777777777778) internal successors, (104), 12 states have internal predecessors, (104), 7 states have call successors, (46), 12 states have call predecessors, (46), 11 states have return successors, (34), 8 states have call predecessors, (34), 7 states have call successors, (34) [2023-04-02 04:23:22,912 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-02 04:23:22,912 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-02 04:23:22,914 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-02 04:23:22,936 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 04:23:23,124 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 04:23:23,126 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-02 04:23:24,890 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-02 04:23:24,890 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 11) no Hoare annotation was computed. [2023-04-02 04:23:24,890 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-02 04:23:24,890 INFO L899 garLoopResultBuilder]: For program point L673(lines 650 674) no Hoare annotation was computed. [2023-04-02 04:23:24,890 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeFINAL(lines 626 681) no Hoare annotation was computed. [2023-04-02 04:23:24,890 INFO L899 garLoopResultBuilder]: For program point L657(lines 657 661) no Hoare annotation was computed. [2023-04-02 04:23:24,890 INFO L899 garLoopResultBuilder]: For program point L657-1(lines 657 661) no Hoare annotation was computed. [2023-04-02 04:23:24,890 INFO L899 garLoopResultBuilder]: For program point L652(line 652) no Hoare annotation was computed. [2023-04-02 04:23:24,890 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 626 681) no Hoare annotation was computed. [2023-04-02 04:23:24,890 INFO L899 garLoopResultBuilder]: For program point L651-2(lines 651 672) no Hoare annotation was computed. [2023-04-02 04:23:24,890 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 626 681) no Hoare annotation was computed. [2023-04-02 04:23:24,891 INFO L899 garLoopResultBuilder]: For program point L734(lines 707 735) no Hoare annotation was computed. [2023-04-02 04:23:24,891 INFO L899 garLoopResultBuilder]: For program point L727(line 727) no Hoare annotation was computed. [2023-04-02 04:23:24,891 INFO L899 garLoopResultBuilder]: For program point L727-1(line 727) no Hoare annotation was computed. [2023-04-02 04:23:24,891 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 682 741) no Hoare annotation was computed. [2023-04-02 04:23:24,891 INFO L899 garLoopResultBuilder]: For program point L714(lines 714 718) no Hoare annotation was computed. [2023-04-02 04:23:24,891 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 682 741) no Hoare annotation was computed. [2023-04-02 04:23:24,891 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 682 741) no Hoare annotation was computed. [2023-04-02 04:23:24,891 INFO L899 garLoopResultBuilder]: For program point L714-1(lines 714 718) no Hoare annotation was computed. [2023-04-02 04:23:24,891 INFO L899 garLoopResultBuilder]: For program point L709(line 709) no Hoare annotation was computed. [2023-04-02 04:23:24,891 INFO L899 garLoopResultBuilder]: For program point L708-2(lines 708 733) no Hoare annotation was computed. [2023-04-02 04:23:24,891 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 564 572) no Hoare annotation was computed. [2023-04-02 04:23:24,891 INFO L899 garLoopResultBuilder]: For program point valid_productFINAL(lines 564 572) no Hoare annotation was computed. [2023-04-02 04:23:24,891 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 564 572) the Hoare annotation is: true [2023-04-02 04:23:24,892 INFO L895 garLoopResultBuilder]: At program point L179(line 179) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1)) [2023-04-02 04:23:24,892 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification4_spec__1EXIT(lines 165 189) no Hoare annotation was computed. [2023-04-02 04:23:24,892 INFO L899 garLoopResultBuilder]: For program point L177(lines 177 183) no Hoare annotation was computed. [2023-04-02 04:23:24,892 INFO L895 garLoopResultBuilder]: At program point L175(line 175) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1)) [2023-04-02 04:23:24,892 INFO L899 garLoopResultBuilder]: For program point L175-1(line 175) no Hoare annotation was computed. [2023-04-02 04:23:24,892 INFO L899 garLoopResultBuilder]: For program point L173(lines 173 186) no Hoare annotation was computed. [2023-04-02 04:23:24,892 INFO L899 garLoopResultBuilder]: For program point L173-1(lines 165 189) no Hoare annotation was computed. [2023-04-02 04:23:24,892 INFO L902 garLoopResultBuilder]: At program point L171(line 171) the Hoare annotation is: true [2023-04-02 04:23:24,892 INFO L899 garLoopResultBuilder]: For program point L171-1(line 171) no Hoare annotation was computed. [2023-04-02 04:23:24,892 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 165 189) the Hoare annotation is: true [2023-04-02 04:23:24,892 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 130 152) no Hoare annotation was computed. [2023-04-02 04:23:24,892 INFO L895 garLoopResultBuilder]: At program point L142(line 142) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= main_~tmp~0 1) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-02 04:23:24,892 INFO L895 garLoopResultBuilder]: At program point L142-1(line 142) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= main_~tmp~0 1) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-02 04:23:24,893 INFO L899 garLoopResultBuilder]: For program point mainFINAL(lines 130 152) no Hoare annotation was computed. [2023-04-02 04:23:24,893 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2023-04-02 04:23:24,893 INFO L899 garLoopResultBuilder]: For program point L140-1(lines 140 147) no Hoare annotation was computed. [2023-04-02 04:23:24,893 INFO L899 garLoopResultBuilder]: For program point L138(line 138) no Hoare annotation was computed. [2023-04-02 04:23:24,893 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 130 152) 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 04:23:24,893 INFO L895 garLoopResultBuilder]: At program point L137(line 137) 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 04:23:24,893 INFO L895 garLoopResultBuilder]: At program point L136(line 136) 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 04:23:24,893 INFO L895 garLoopResultBuilder]: At program point L136-1(line 136) 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 04:23:24,893 INFO L899 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2023-04-02 04:23:24,893 INFO L899 garLoopResultBuilder]: For program point L96(line 96) no Hoare annotation was computed. [2023-04-02 04:23:24,893 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 85 108) no Hoare annotation was computed. [2023-04-02 04:23:24,893 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2023-04-02 04:23:24,893 INFO L899 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2023-04-02 04:23:24,893 INFO L899 garLoopResultBuilder]: For program point L93(line 93) no Hoare annotation was computed. [2023-04-02 04:23:24,894 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2023-04-02 04:23:24,894 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 85 108) no Hoare annotation was computed. [2023-04-02 04:23:24,894 INFO L899 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2023-04-02 04:23:24,894 INFO L899 garLoopResultBuilder]: For program point L90(line 90) no Hoare annotation was computed. [2023-04-02 04:23:24,894 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 85 108) no Hoare annotation was computed. [2023-04-02 04:23:24,894 INFO L899 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2023-04-02 04:23:24,894 INFO L899 garLoopResultBuilder]: For program point L102(line 102) no Hoare annotation was computed. [2023-04-02 04:23:24,894 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2023-04-02 04:23:24,894 INFO L899 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2023-04-02 04:23:24,894 INFO L899 garLoopResultBuilder]: For program point L99(line 99) no Hoare annotation was computed. [2023-04-02 04:23:24,894 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2023-04-02 04:23:24,894 INFO L895 garLoopResultBuilder]: At program point L529(line 529) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (< ~waterLevel~0 2)) (or (not (= ~waterLevel~0 1)) .cse0))) [2023-04-02 04:23:24,894 INFO L899 garLoopResultBuilder]: For program point stopSystemEXIT(lines 523 537) no Hoare annotation was computed. [2023-04-02 04:23:24,894 INFO L899 garLoopResultBuilder]: For program point L527(lines 527 533) no Hoare annotation was computed. [2023-04-02 04:23:24,894 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 523 537) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= ~pumpRunning~0 0) (= |old(~systemActive~0)| ~systemActive~0)))) (and (or .cse0 .cse1 (< ~waterLevel~0 2)) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2023-04-02 04:23:24,894 INFO L899 garLoopResultBuilder]: For program point stopSystemFINAL(lines 523 537) no Hoare annotation was computed. [2023-04-02 04:23:24,894 INFO L899 garLoopResultBuilder]: For program point L513(lines 513 517) no Hoare annotation was computed. [2023-04-02 04:23:24,895 INFO L902 garLoopResultBuilder]: At program point L511(line 511) the Hoare annotation is: true [2023-04-02 04:23:24,895 INFO L899 garLoopResultBuilder]: For program point L513-2(lines 513 517) no Hoare annotation was computed. [2023-04-02 04:23:24,895 INFO L899 garLoopResultBuilder]: For program point L511-1(line 511) no Hoare annotation was computed. [2023-04-02 04:23:24,895 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 504 522) the Hoare annotation is: true [2023-04-02 04:23:24,895 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevelEXIT(lines 504 522) no Hoare annotation was computed. [2023-04-02 04:23:24,895 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevelFINAL(lines 504 522) no Hoare annotation was computed. [2023-04-02 04:23:24,895 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 550 556) no Hoare annotation was computed. [2023-04-02 04:23:24,895 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 550 556) the Hoare annotation is: true [2023-04-02 04:23:24,895 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeFINAL(lines 893 938) no Hoare annotation was computed. [2023-04-02 04:23:24,895 INFO L899 garLoopResultBuilder]: For program point L913(lines 913 920) no Hoare annotation was computed. [2023-04-02 04:23:24,895 INFO L899 garLoopResultBuilder]: For program point L907(lines 907 927) no Hoare annotation was computed. [2023-04-02 04:23:24,895 INFO L899 garLoopResultBuilder]: For program point L907-1(lines 907 927) no Hoare annotation was computed. [2023-04-02 04:23:24,895 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 893 938) no Hoare annotation was computed. [2023-04-02 04:23:24,895 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 893 938) no Hoare annotation was computed. [2023-04-02 04:23:24,895 INFO L895 garLoopResultBuilder]: At program point L408(line 408) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2))) [2023-04-02 04:23:24,895 INFO L899 garLoopResultBuilder]: For program point L408-1(lines 389 413) no Hoare annotation was computed. [2023-04-02 04:23:24,895 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 389 413) no Hoare annotation was computed. [2023-04-02 04:23:24,896 INFO L895 garLoopResultBuilder]: At program point L403(line 403) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (= 0 ~systemActive~0)) [2023-04-02 04:23:24,896 INFO L895 garLoopResultBuilder]: At program point L399(line 399) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (= 0 ~systemActive~0)) [2023-04-02 04:23:24,896 INFO L899 garLoopResultBuilder]: For program point L397(lines 397 405) no Hoare annotation was computed. [2023-04-02 04:23:24,896 INFO L895 garLoopResultBuilder]: At program point L395(line 395) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (= 0 ~systemActive~0)) [2023-04-02 04:23:24,896 INFO L899 garLoopResultBuilder]: For program point L395-1(line 395) no Hoare annotation was computed. [2023-04-02 04:23:24,896 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 389 413) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2))) [2023-04-02 04:23:24,896 INFO L899 garLoopResultBuilder]: For program point L393(lines 393 410) no Hoare annotation was computed. [2023-04-02 04:23:24,896 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 381 387) no Hoare annotation was computed. [2023-04-02 04:23:24,896 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 381 387) the Hoare annotation is: true [2023-04-02 04:23:24,896 INFO L895 garLoopResultBuilder]: At program point L343(lines 294 344) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-02 04:23:24,896 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 285 350) no Hoare annotation was computed. [2023-04-02 04:23:24,896 INFO L895 garLoopResultBuilder]: At program point L333(line 333) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~waterLevel~0 1)))) [2023-04-02 04:23:24,896 INFO L899 garLoopResultBuilder]: For program point L331(lines 331 337) no Hoare annotation was computed. [2023-04-02 04:23:24,896 INFO L895 garLoopResultBuilder]: At program point L331-1(lines 325 338) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~waterLevel~0 1)))) [2023-04-02 04:23:24,897 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 285 350) 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 04:23:24,897 INFO L899 garLoopResultBuilder]: For program point L296(lines 295 342) no Hoare annotation was computed. [2023-04-02 04:23:24,897 INFO L899 garLoopResultBuilder]: For program point L325(lines 325 338) no Hoare annotation was computed. [2023-04-02 04:23:24,897 INFO L895 garLoopResultBuilder]: At program point L317(line 317) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~waterLevel~0 1)))) [2023-04-02 04:23:24,897 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 321) no Hoare annotation was computed. [2023-04-02 04:23:24,897 INFO L899 garLoopResultBuilder]: For program point L315-1(lines 315 321) no Hoare annotation was computed. [2023-04-02 04:23:24,897 INFO L895 garLoopResultBuilder]: At program point L340(lines 295 342) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~waterLevel~0 1)))) [2023-04-02 04:23:24,897 INFO L895 garLoopResultBuilder]: At program point L307(line 307) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~waterLevel~0 1)))) [2023-04-02 04:23:24,897 INFO L899 garLoopResultBuilder]: For program point L305(lines 305 311) no Hoare annotation was computed. [2023-04-02 04:23:24,897 INFO L899 garLoopResultBuilder]: For program point L305-1(lines 305 311) no Hoare annotation was computed. [2023-04-02 04:23:24,897 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 301) no Hoare annotation was computed. [2023-04-02 04:23:24,897 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 285 350) no Hoare annotation was computed. [2023-04-02 04:23:24,897 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 414 421) no Hoare annotation was computed. [2023-04-02 04:23:24,897 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 414 421) no Hoare annotation was computed. [2023-04-02 04:23:24,897 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 414 421) no Hoare annotation was computed. [2023-04-02 04:23:24,897 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDryFINAL(lines 274 282) no Hoare annotation was computed. [2023-04-02 04:23:24,897 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 274 282) the Hoare annotation is: true [2023-04-02 04:23:24,898 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDryEXIT(lines 274 282) no Hoare annotation was computed. [2023-04-02 04:23:24,898 INFO L899 garLoopResultBuilder]: For program point L250(lines 250 258) no Hoare annotation was computed. [2023-04-02 04:23:24,898 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 242 264) no Hoare annotation was computed. [2023-04-02 04:23:24,898 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 242 264) no Hoare annotation was computed. [2023-04-02 04:23:24,898 INFO L899 garLoopResultBuilder]: For program point L250-2(lines 250 258) no Hoare annotation was computed. [2023-04-02 04:23:24,898 INFO L899 garLoopResultBuilder]: For program point printEnvironmentFINAL(lines 242 264) no Hoare annotation was computed. [2023-04-02 04:23:24,898 INFO L899 garLoopResultBuilder]: For program point L434-1(lines 423 439) no Hoare annotation was computed. [2023-04-02 04:23:24,898 INFO L899 garLoopResultBuilder]: For program point L430(lines 430 436) no Hoare annotation was computed. [2023-04-02 04:23:24,898 INFO L899 garLoopResultBuilder]: For program point L428(line 428) no Hoare annotation was computed. [2023-04-02 04:23:24,898 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 423 439) no Hoare annotation was computed. [2023-04-02 04:23:24,898 INFO L899 garLoopResultBuilder]: For program point L428-1(line 428) no Hoare annotation was computed. [2023-04-02 04:23:24,898 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 423 439) no Hoare annotation was computed. [2023-04-02 04:23:24,898 INFO L899 garLoopResultBuilder]: For program point L434(line 434) no Hoare annotation was computed. [2023-04-02 04:23:24,898 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 265 273) the Hoare annotation is: true [2023-04-02 04:23:24,898 INFO L899 garLoopResultBuilder]: For program point getWaterLevelFINAL(lines 265 273) no Hoare annotation was computed. [2023-04-02 04:23:24,898 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 265 273) no Hoare annotation was computed. [2023-04-02 04:23:24,898 INFO L895 garLoopResultBuilder]: At program point L370(line 370) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (not (= 0 ~systemActive~0)))) (and (or (and .cse0 (= ~waterLevel~0 1) .cse1) .cse2 (not (= |old(~waterLevel~0)| 1))) (or .cse2 (< |old(~waterLevel~0)| 2) (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1)))) [2023-04-02 04:23:24,899 INFO L895 garLoopResultBuilder]: At program point L368(lines 368 374) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 (= ~waterLevel~0 1))) (or .cse0 (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (< |old(~waterLevel~0)| 2)))) [2023-04-02 04:23:24,899 INFO L895 garLoopResultBuilder]: At program point L363(line 363) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (< |old(~waterLevel~0)| 2)) (or .cse0 (not (= |old(~waterLevel~0)| 1))))) [2023-04-02 04:23:24,899 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 357 380) no Hoare annotation was computed. [2023-04-02 04:23:24,899 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 357 380) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 (= ~waterLevel~0 1))) (or .cse0 (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (< |old(~waterLevel~0)| 2)))) [2023-04-02 04:23:24,899 INFO L899 garLoopResultBuilder]: For program point L361(lines 360 379) no Hoare annotation was computed. [2023-04-02 04:23:24,899 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 357 380) no Hoare annotation was computed. [2023-04-02 04:23:24,899 INFO L902 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2023-04-02 04:23:24,899 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2023-04-02 04:23:24,899 INFO L899 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2023-04-02 04:23:24,899 INFO L902 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2023-04-02 04:23:24,899 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2023-04-02 04:23:24,899 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2023-04-02 04:23:24,899 INFO L902 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2023-04-02 04:23:24,899 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 52 81) the Hoare annotation is: true [2023-04-02 04:23:24,899 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2023-04-02 04:23:24,899 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2023-04-02 04:23:24,899 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 233 241) no Hoare annotation was computed. [2023-04-02 04:23:24,900 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 233 241) no Hoare annotation was computed. [2023-04-02 04:23:24,900 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 233 241) no Hoare annotation was computed. [2023-04-02 04:23:24,900 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 197 208) no Hoare annotation was computed. [2023-04-02 04:23:24,900 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 197 208) the Hoare annotation is: true [2023-04-02 04:23:24,900 INFO L899 garLoopResultBuilder]: For program point L201-1(lines 197 208) no Hoare annotation was computed. [2023-04-02 04:23:24,900 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 209 220) no Hoare annotation was computed. [2023-04-02 04:23:24,900 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 209 220) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) (= |old(~waterLevel~0)| ~waterLevel~0)) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)))) [2023-04-02 04:23:24,900 INFO L899 garLoopResultBuilder]: For program point L213-1(lines 209 220) no Hoare annotation was computed. [2023-04-02 04:23:24,900 INFO L899 garLoopResultBuilder]: For program point __automaton_failFINAL(lines 154 161) no Hoare annotation was computed. [2023-04-02 04:23:24,900 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 154 161) the Hoare annotation is: true [2023-04-02 04:23:24,900 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 158) no Hoare annotation was computed. [2023-04-02 04:23:24,900 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 154 161) no Hoare annotation was computed. [2023-04-02 04:23:24,900 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 557 563) the Hoare annotation is: true [2023-04-02 04:23:24,900 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 557 563) no Hoare annotation was computed. [2023-04-02 04:23:24,900 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 459 467) no Hoare annotation was computed. [2023-04-02 04:23:24,900 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 459 467) no Hoare annotation was computed. [2023-04-02 04:23:24,901 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 459 467) the Hoare annotation is: true [2023-04-02 04:23:24,901 INFO L899 garLoopResultBuilder]: For program point L475(lines 475 483) no Hoare annotation was computed. [2023-04-02 04:23:24,901 INFO L899 garLoopResultBuilder]: For program point L475-2(lines 475 483) no Hoare annotation was computed. [2023-04-02 04:23:24,901 INFO L899 garLoopResultBuilder]: For program point L498(line 498) no Hoare annotation was computed. [2023-04-02 04:23:24,901 INFO L899 garLoopResultBuilder]: For program point L498-1(line 498) no Hoare annotation was computed. [2023-04-02 04:23:24,901 INFO L899 garLoopResultBuilder]: For program point printPumpFINAL(lines 468 503) no Hoare annotation was computed. [2023-04-02 04:23:24,901 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 468 503) no Hoare annotation was computed. [2023-04-02 04:23:24,901 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 495) no Hoare annotation was computed. [2023-04-02 04:23:24,901 INFO L899 garLoopResultBuilder]: For program point L487-2(lines 487 495) no Hoare annotation was computed. [2023-04-02 04:23:24,901 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 468 503) no Hoare annotation was computed. [2023-04-02 04:23:24,901 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 580 625) no Hoare annotation was computed. [2023-04-02 04:23:24,901 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 580 625) no Hoare annotation was computed. [2023-04-02 04:23:24,901 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setFINAL(lines 580 625) no Hoare annotation was computed. [2023-04-02 04:23:24,901 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 117 126) no Hoare annotation was computed. [2023-04-02 04:23:24,901 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 117 126) 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 04:23:24,901 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 117 126) no Hoare annotation was computed. [2023-04-02 04:23:24,901 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 448 458) no Hoare annotation was computed. [2023-04-02 04:23:24,901 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 448 458) no Hoare annotation was computed. [2023-04-02 04:23:24,901 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 448 458) no Hoare annotation was computed. [2023-04-02 04:23:24,902 INFO L899 garLoopResultBuilder]: For program point L453(line 453) no Hoare annotation was computed. [2023-04-02 04:23:24,902 INFO L899 garLoopResultBuilder]: For program point L453-1(line 453) no Hoare annotation was computed. [2023-04-02 04:23:24,902 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 440 447) no Hoare annotation was computed. [2023-04-02 04:23:24,902 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 440 447) the Hoare annotation is: true [2023-04-02 04:23:24,902 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 440 447) no Hoare annotation was computed. [2023-04-02 04:23:24,902 INFO L899 garLoopResultBuilder]: For program point L861(lines 861 881) no Hoare annotation was computed. [2023-04-02 04:23:24,902 INFO L899 garLoopResultBuilder]: For program point L861-1(lines 861 881) no Hoare annotation was computed. [2023-04-02 04:23:24,902 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 847 892) no Hoare annotation was computed. [2023-04-02 04:23:24,902 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argFINAL(lines 847 892) no Hoare annotation was computed. [2023-04-02 04:23:24,902 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 847 892) no Hoare annotation was computed. [2023-04-02 04:23:24,902 INFO L899 garLoopResultBuilder]: For program point L867(lines 867 874) no Hoare annotation was computed. [2023-04-02 04:23:24,902 INFO L899 garLoopResultBuilder]: For program point select_oneFINAL(lines 540 549) no Hoare annotation was computed. [2023-04-02 04:23:24,902 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 540 549) no Hoare annotation was computed. [2023-04-02 04:23:24,902 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 540 549) no Hoare annotation was computed. [2023-04-02 04:23:24,902 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 772) no Hoare annotation was computed. [2023-04-02 04:23:24,902 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 843) no Hoare annotation was computed. [2023-04-02 04:23:24,902 INFO L899 garLoopResultBuilder]: For program point L795(lines 795 799) no Hoare annotation was computed. [2023-04-02 04:23:24,902 INFO L899 garLoopResultBuilder]: For program point L793-2(lines 793 813) no Hoare annotation was computed. [2023-04-02 04:23:24,902 INFO L899 garLoopResultBuilder]: For program point L814(lines 792 815) no Hoare annotation was computed. [2023-04-02 04:23:24,902 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 744 846) no Hoare annotation was computed. [2023-04-02 04:23:24,903 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 744 846) no Hoare annotation was computed. [2023-04-02 04:23:24,903 INFO L899 garLoopResultBuilder]: For program point L773(lines 773 789) no Hoare annotation was computed. [2023-04-02 04:23:24,903 INFO L899 garLoopResultBuilder]: For program point L833(lines 833 840) no Hoare annotation was computed. [2023-04-02 04:23:24,903 INFO L899 garLoopResultBuilder]: For program point L794(lines 793 813) no Hoare annotation was computed. [2023-04-02 04:23:24,903 INFO L899 garLoopResultBuilder]: For program point L825(line 825) no Hoare annotation was computed. [2023-04-02 04:23:24,903 INFO L899 garLoopResultBuilder]: For program point L825-1(line 825) no Hoare annotation was computed. [2023-04-02 04:23:24,903 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 831) no Hoare annotation was computed. [2023-04-02 04:23:24,903 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 744 846) no Hoare annotation was computed. [2023-04-02 04:23:24,903 INFO L899 garLoopResultBuilder]: For program point L809(line 809) no Hoare annotation was computed. [2023-04-02 04:23:24,903 INFO L899 garLoopResultBuilder]: For program point L809-1(line 809) no Hoare annotation was computed. [2023-04-02 04:23:24,903 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:23:24,903 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 04:23:24,903 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:23:24,903 INFO L899 garLoopResultBuilder]: For program point L225-1(lines 221 232) no Hoare annotation was computed. [2023-04-02 04:23:24,904 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 221 232) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 .cse1 (< ~waterLevel~0 2)))) [2023-04-02 04:23:24,904 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 221 232) no Hoare annotation was computed. [2023-04-02 04:23:24,904 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:23:24,904 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:23:24,904 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-02 04:23:24,904 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 109 115) no Hoare annotation was computed. [2023-04-02 04:23:24,904 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 109 115) the Hoare annotation is: true [2023-04-02 04:23:24,904 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:23:24,904 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 04:23:24,904 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:23:24,904 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-02 04:23:24,907 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-04-02 04:23:24,908 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-02 04:23:24,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.04 04:23:24 BoogieIcfgContainer [2023-04-02 04:23:24,917 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-02 04:23:24,918 INFO L158 Benchmark]: Toolchain (without parser) took 8264.65ms. Allocated memory was 196.1MB in the beginning and 388.0MB in the end (delta: 191.9MB). Free memory was 154.0MB in the beginning and 256.3MB in the end (delta: -102.3MB). Peak memory consumption was 218.6MB. Max. memory is 8.0GB. [2023-04-02 04:23:24,918 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 196.1MB. Free memory is still 146.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-02 04:23:24,918 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.02ms. Allocated memory is still 196.1MB. Free memory was 154.0MB in the beginning and 135.7MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-04-02 04:23:24,918 INFO L158 Benchmark]: Boogie Preprocessor took 44.12ms. Allocated memory is still 196.1MB. Free memory was 135.7MB in the beginning and 132.3MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-02 04:23:24,918 INFO L158 Benchmark]: RCFGBuilder took 702.73ms. Allocated memory was 196.1MB in the beginning and 291.5MB in the end (delta: 95.4MB). Free memory was 132.3MB in the beginning and 255.2MB in the end (delta: -122.9MB). Peak memory consumption was 46.1MB. Max. memory is 8.0GB. [2023-04-02 04:23:24,918 INFO L158 Benchmark]: TraceAbstraction took 7170.11ms. Allocated memory was 291.5MB in the beginning and 388.0MB in the end (delta: 96.5MB). Free memory was 254.7MB in the beginning and 256.3MB in the end (delta: -1.6MB). Peak memory consumption was 222.8MB. Max. memory is 8.0GB. [2023-04-02 04:23:24,919 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 196.1MB. Free memory is still 146.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 342.02ms. Allocated memory is still 196.1MB. Free memory was 154.0MB in the beginning and 135.7MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 44.12ms. Allocated memory is still 196.1MB. Free memory was 135.7MB in the beginning and 132.3MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 702.73ms. Allocated memory was 196.1MB in the beginning and 291.5MB in the end (delta: 95.4MB). Free memory was 132.3MB in the beginning and 255.2MB in the end (delta: -122.9MB). Peak memory consumption was 46.1MB. Max. memory is 8.0GB. * TraceAbstraction took 7170.11ms. Allocated memory was 291.5MB in the beginning and 388.0MB in the end (delta: 96.5MB). Free memory was 254.7MB in the beginning and 256.3MB in the end (delta: -1.6MB). Peak memory consumption was 222.8MB. 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: 158]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 230 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.1s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1473 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1420 mSDsluCounter, 470 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 382 mSDsCounter, 752 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3233 IncrementalHoareTripleChecker+Invalid, 3985 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 752 mSolverCounterUnsat, 88 mSDtfsCounter, 3233 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 361 GetRequests, 280 SyntacticMatches, 8 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=582occurred in iteration=4, InterpolantAutomatonStates: 59, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 229 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 618 PreInvPairs, 669 NumberOfFragments, 780 HoareAnnotationTreeSize, 618 FomulaSimplifications, 11560 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 52 FomulaSimplificationsInter, 3785 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 438 NumberOfCodeBlocks, 438 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 518 ConstructedInterpolants, 0 QuantifiedInterpolants, 1267 SizeOfPredicates, 3 NumberOfNonLiveVariables, 373 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 63/69 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: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || ((pumpRunning == 0 && splverifierCounter == 0) && 2 <= waterLevel)) || !(\old(systemActive) == 1)) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel == 1) RESULT: Ultimate proved your program to be correct! [2023-04-02 04:23:24,933 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...