/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_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 04:23:21,066 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 04:23:21,068 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 04:23:21,095 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 04:23:21,095 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 04:23:21,096 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 04:23:21,097 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 04:23:21,098 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 04:23:21,100 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 04:23:21,100 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 04:23:21,101 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 04:23:21,102 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 04:23:21,102 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 04:23:21,103 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 04:23:21,103 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 04:23:21,104 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 04:23:21,104 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 04:23:21,105 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 04:23:21,106 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 04:23:21,107 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 04:23:21,108 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 04:23:21,109 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 04:23:21,110 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 04:23:21,110 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 04:23:21,112 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 04:23:21,113 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 04:23:21,113 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 04:23:21,113 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 04:23:21,114 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 04:23:21,114 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 04:23:21,114 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 04:23:21,115 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 04:23:21,115 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 04:23:21,116 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 04:23:21,116 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 04:23:21,116 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 04:23:21,117 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 04:23:21,117 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 04:23:21,117 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 04:23:21,118 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 04:23:21,118 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 04:23:21,119 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 04:23:21,141 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 04:23:21,141 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 04:23:21,141 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 04:23:21,141 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 04:23:21,142 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 04:23:21,142 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 04:23:21,142 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 04:23:21,142 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 04:23:21,143 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 04:23:21,143 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 04:23:21,143 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 04:23:21,143 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 04:23:21,143 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 04:23:21,143 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 04:23:21,143 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 04:23:21,143 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 04:23:21,143 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 04:23:21,143 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 04:23:21,143 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 04:23:21,143 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 04:23:21,144 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 04:23:21,144 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 04:23:21,144 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 04:23:21,144 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 04:23:21,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 04:23:21,144 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 04:23:21,144 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 04:23:21,144 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 04:23:21,144 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 04:23:21,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 04:23:21,145 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 04:23:21,145 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 04:23:21,145 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 04:23:21,145 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 04:23:21,145 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 04:23:21,145 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 04:23:21,336 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 04:23:21,357 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 04:23:21,359 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 04:23:21,360 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 04:23:21,360 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 04:23:21,361 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c [2023-04-02 04:23:22,483 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 04:23:22,679 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 04:23:22,679 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c [2023-04-02 04:23:22,686 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20eb5944e/0084add675a247318892c0a0086f2d7d/FLAG1d2ccd7ab [2023-04-02 04:23:22,699 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20eb5944e/0084add675a247318892c0a0086f2d7d [2023-04-02 04:23:22,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 04:23:22,703 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 04:23:22,704 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 04:23:22,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 04:23:22,710 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 04:23:22,711 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 04:23:22" (1/1) ... [2023-04-02 04:23:22,712 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@217c6807 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:22, skipping insertion in model container [2023-04-02 04:23:22,712 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 04:23:22" (1/1) ... [2023-04-02 04:23:22,718 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 04:23:22,757 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 04:23:23,002 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_product31.cil.c[18328,18341] [2023-04-02 04:23:23,006 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 04:23:23,021 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 04:23:23,080 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_product31.cil.c[18328,18341] [2023-04-02 04:23:23,081 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 04:23:23,093 INFO L208 MainTranslator]: Completed translation [2023-04-02 04:23:23,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:23 WrapperNode [2023-04-02 04:23:23,094 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 04:23:23,094 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 04:23:23,095 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 04:23:23,095 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 04:23:23,106 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:23" (1/1) ... [2023-04-02 04:23:23,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:23" (1/1) ... [2023-04-02 04:23:23,123 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:23" (1/1) ... [2023-04-02 04:23:23,123 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:23" (1/1) ... [2023-04-02 04:23:23,140 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:23" (1/1) ... [2023-04-02 04:23:23,145 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:23" (1/1) ... [2023-04-02 04:23:23,147 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:23" (1/1) ... [2023-04-02 04:23:23,149 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:23" (1/1) ... [2023-04-02 04:23:23,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 04:23:23,153 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 04:23:23,153 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 04:23:23,153 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 04:23:23,154 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:23" (1/1) ... [2023-04-02 04:23:23,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 04:23:23,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:23:23,200 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 04:23:23,202 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 04:23:23,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 04:23:23,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 04:23:23,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-02 04:23:23,233 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 04:23:23,233 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-02 04:23:23,233 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-02 04:23:23,233 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-02 04:23:23,233 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-02 04:23:23,234 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 04:23:23,234 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-02 04:23:23,234 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-02 04:23:23,234 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-02 04:23:23,234 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-02 04:23:23,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-02 04:23:23,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-02 04:23:23,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-02 04:23:23,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-02 04:23:23,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-02 04:23:23,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-02 04:23:23,235 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-02 04:23:23,235 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-02 04:23:23,235 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-02 04:23:23,235 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-02 04:23:23,235 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-02 04:23:23,235 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-02 04:23:23,235 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2023-04-02 04:23:23,235 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-02 04:23:23,235 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-02 04:23:23,235 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-04-02 04:23:23,236 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-04-02 04:23:23,236 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-02 04:23:23,236 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2023-04-02 04:23:23,236 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-02 04:23:23,236 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-02 04:23:23,236 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-02 04:23:23,236 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-02 04:23:23,236 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-02 04:23:23,236 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2023-04-02 04:23:23,236 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2023-04-02 04:23:23,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2023-04-02 04:23:23,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-02 04:23:23,237 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 04:23:23,237 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 04:23:23,237 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 04:23:23,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 04:23:23,237 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 04:23:23,237 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-02 04:23:23,237 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-02 04:23:23,237 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-02 04:23:23,237 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-02 04:23:23,238 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-02 04:23:23,238 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-02 04:23:23,238 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-02 04:23:23,238 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-02 04:23:23,238 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-02 04:23:23,238 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-02 04:23:23,238 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-02 04:23:23,238 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-02 04:23:23,238 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-02 04:23:23,238 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 04:23:23,238 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-02 04:23:23,238 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 04:23:23,239 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 04:23:23,239 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-02 04:23:23,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 04:23:23,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 04:23:23,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 04:23:23,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 04:23:23,239 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-02 04:23:23,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 04:23:23,239 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-02 04:23:23,239 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-02 04:23:23,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 04:23:23,239 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-02 04:23:23,240 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-02 04:23:23,240 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-02 04:23:23,240 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-02 04:23:23,240 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-02 04:23:23,240 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-02 04:23:23,240 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-02 04:23:23,240 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2023-04-02 04:23:23,240 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2023-04-02 04:23:23,240 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-02 04:23:23,241 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-02 04:23:23,241 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-02 04:23:23,241 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2023-04-02 04:23:23,241 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-02 04:23:23,241 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-04-02 04:23:23,241 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2023-04-02 04:23:23,242 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-04-02 04:23:23,242 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-02 04:23:23,242 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2023-04-02 04:23:23,243 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-02 04:23:23,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 04:23:23,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 04:23:23,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 04:23:23,394 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 04:23:23,396 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 04:23:23,873 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 04:23:23,897 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 04:23:23,897 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-02 04:23:23,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 04:23:23 BoogieIcfgContainer [2023-04-02 04:23:23,899 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 04:23:23,901 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 04:23:23,901 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 04:23:23,903 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 04:23:23,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 04:23:22" (1/3) ... [2023-04-02 04:23:23,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ea8764 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 04:23:23, skipping insertion in model container [2023-04-02 04:23:23,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:23" (2/3) ... [2023-04-02 04:23:23,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ea8764 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 04:23:23, skipping insertion in model container [2023-04-02 04:23:23,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 04:23:23" (3/3) ... [2023-04-02 04:23:23,913 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product31.cil.c [2023-04-02 04:23:23,926 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 04:23:23,927 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 04:23:23,975 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 04:23:23,982 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;@7420e909, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 04:23:23,982 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 04:23:23,986 INFO L276 IsEmpty]: Start isEmpty. Operand has 179 states, 98 states have (on average 1.2959183673469388) internal successors, (127), 113 states have internal predecessors, (127), 48 states have call successors, (48), 29 states have call predecessors, (48), 29 states have return successors, (48), 44 states have call predecessors, (48), 48 states have call successors, (48) [2023-04-02 04:23:23,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-04-02 04:23:23,994 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:23:24,007 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 04:23:24,008 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:23:24,025 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:23:24,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1755199272, now seen corresponding path program 1 times [2023-04-02 04:23:24,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:23:24,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745719748] [2023-04-02 04:23:24,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:23:24,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:23:24,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:24,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:23:24,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:24,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:23:24,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:24,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:23:24,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:24,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:23:24,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:24,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:23:24,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:24,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-04-02 04:23:24,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:24,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 04:23:24,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:24,302 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 04:23:24,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:23:24,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745719748] [2023-04-02 04:23:24,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745719748] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:23:24,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:23:24,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-02 04:23:24,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88667507] [2023-04-02 04:23:24,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:23:24,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 04:23:24,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:23:24,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 04:23:24,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-02 04:23:24,359 INFO L87 Difference]: Start difference. First operand has 179 states, 98 states have (on average 1.2959183673469388) internal successors, (127), 113 states have internal predecessors, (127), 48 states have call successors, (48), 29 states have call predecessors, (48), 29 states have return successors, (48), 44 states have call predecessors, (48), 48 states have call successors, (48) 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 04:23:24,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:23:24,792 INFO L93 Difference]: Finished difference Result 299 states and 393 transitions. [2023-04-02 04:23:24,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 04:23:24,795 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 04:23:24,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:23:24,806 INFO L225 Difference]: With dead ends: 299 [2023-04-02 04:23:24,806 INFO L226 Difference]: Without dead ends: 162 [2023-04-02 04:23:24,809 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 04:23:24,812 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 93 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-02 04:23:24,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 22 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-02 04:23:24,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2023-04-02 04:23:24,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 128. [2023-04-02 04:23:24,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 74 states have (on average 1.2432432432432432) internal successors, (92), 85 states have internal predecessors, (92), 32 states have call successors, (32), 26 states have call predecessors, (32), 21 states have return successors, (27), 23 states have call predecessors, (27), 27 states have call successors, (27) [2023-04-02 04:23:24,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 151 transitions. [2023-04-02 04:23:24,866 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 151 transitions. Word has length 46 [2023-04-02 04:23:24,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:23:24,867 INFO L495 AbstractCegarLoop]: Abstraction has 128 states and 151 transitions. [2023-04-02 04:23:24,867 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 04:23:24,867 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 151 transitions. [2023-04-02 04:23:24,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-04-02 04:23:24,875 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:23:24,875 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 04:23:24,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 04:23:24,876 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:23:24,877 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:23:24,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1268341660, now seen corresponding path program 1 times [2023-04-02 04:23:24,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:23:24,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415834778] [2023-04-02 04:23:24,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:23:24,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:23:24,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:24,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:23:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:24,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:23:24,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:24,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:23:24,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:24,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:23:24,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:24,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:23:24,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:24,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-04-02 04:23:24,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:24,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 04:23:24,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:24,998 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 04:23:24,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:23:24,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415834778] [2023-04-02 04:23:24,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415834778] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:23:24,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:23:24,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-02 04:23:24,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000349800] [2023-04-02 04:23:24,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:23:24,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-02 04:23:25,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:23:25,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-02 04:23:25,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-02 04:23:25,001 INFO L87 Difference]: Start difference. First operand 128 states and 151 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 04:23:25,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:23:25,331 INFO L93 Difference]: Finished difference Result 226 states and 276 transitions. [2023-04-02 04:23:25,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-02 04:23:25,332 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 04:23:25,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:23:25,338 INFO L225 Difference]: With dead ends: 226 [2023-04-02 04:23:25,338 INFO L226 Difference]: Without dead ends: 146 [2023-04-02 04:23:25,344 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 04:23:25,346 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 103 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-02 04:23:25,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 29 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-02 04:23:25,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2023-04-02 04:23:25,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 119. [2023-04-02 04:23:25,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 68 states have (on average 1.25) internal successors, (85), 79 states have internal predecessors, (85), 29 states have call successors, (29), 25 states have call predecessors, (29), 21 states have return successors, (25), 21 states have call predecessors, (25), 25 states have call successors, (25) [2023-04-02 04:23:25,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2023-04-02 04:23:25,395 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 47 [2023-04-02 04:23:25,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:23:25,395 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2023-04-02 04:23:25,395 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 04:23:25,396 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2023-04-02 04:23:25,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-04-02 04:23:25,397 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:23:25,397 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 04:23:25,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 04:23:25,397 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:23:25,397 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:23:25,397 INFO L85 PathProgramCache]: Analyzing trace with hash 1673111757, now seen corresponding path program 1 times [2023-04-02 04:23:25,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:23:25,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865581313] [2023-04-02 04:23:25,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:23:25,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:23:25,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:25,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:23:25,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:25,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:23:25,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:25,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:23:25,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:25,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:23:25,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:25,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:23:25,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:25,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 04:23:25,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:25,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-04-02 04:23:25,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:25,642 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 04:23:25,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:23:25,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865581313] [2023-04-02 04:23:25,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865581313] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:23:25,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:23:25,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 04:23:25,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415927020] [2023-04-02 04:23:25,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:23:25,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 04:23:25,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:23:25,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 04:23:25,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-04-02 04:23:25,644 INFO L87 Difference]: Start difference. First operand 119 states and 139 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 04:23:26,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:23:26,359 INFO L93 Difference]: Finished difference Result 409 states and 509 transitions. [2023-04-02 04:23:26,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-02 04:23:26,359 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 04:23:26,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:23:26,365 INFO L225 Difference]: With dead ends: 409 [2023-04-02 04:23:26,366 INFO L226 Difference]: Without dead ends: 314 [2023-04-02 04:23:26,369 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 04:23:26,373 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 384 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 834 mSolverCounterSat, 199 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 392 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 1033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 199 IncrementalHoareTripleChecker+Valid, 834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-04-02 04:23:26,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [392 Valid, 79 Invalid, 1033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [199 Valid, 834 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-04-02 04:23:26,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2023-04-02 04:23:26,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 256. [2023-04-02 04:23:26,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 153 states have (on average 1.2875816993464053) internal successors, (197), 175 states have internal predecessors, (197), 58 states have call successors, (58), 50 states have call predecessors, (58), 44 states have return successors, (55), 42 states have call predecessors, (55), 54 states have call successors, (55) [2023-04-02 04:23:26,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 310 transitions. [2023-04-02 04:23:26,449 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 310 transitions. Word has length 51 [2023-04-02 04:23:26,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:23:26,450 INFO L495 AbstractCegarLoop]: Abstraction has 256 states and 310 transitions. [2023-04-02 04:23:26,450 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 04:23:26,450 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 310 transitions. [2023-04-02 04:23:26,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-04-02 04:23:26,452 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:23:26,452 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 04:23:26,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 04:23:26,452 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:23:26,453 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:23:26,453 INFO L85 PathProgramCache]: Analyzing trace with hash -1517702299, now seen corresponding path program 1 times [2023-04-02 04:23:26,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:23:26,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559512027] [2023-04-02 04:23:26,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:23:26,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:23:26,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:26,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:23:26,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:26,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:23:26,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:26,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:23:26,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:26,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:23:26,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:26,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:23:26,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:26,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-04-02 04:23:26,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:26,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-04-02 04:23:26,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:26,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-02 04:23:26,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:26,736 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 04:23:26,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:23:26,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559512027] [2023-04-02 04:23:26,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559512027] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:23:26,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:23:26,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 04:23:26,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906278845] [2023-04-02 04:23:26,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:23:26,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 04:23:26,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:23:26,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 04:23:26,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2023-04-02 04:23:26,738 INFO L87 Difference]: Start difference. First operand 256 states and 310 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 04:23:27,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:23:27,825 INFO L93 Difference]: Finished difference Result 1027 states and 1368 transitions. [2023-04-02 04:23:27,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-04-02 04:23:27,826 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 04:23:27,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:23:27,830 INFO L225 Difference]: With dead ends: 1027 [2023-04-02 04:23:27,830 INFO L226 Difference]: Without dead ends: 795 [2023-04-02 04:23:27,831 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 04:23:27,831 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 610 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 1246 mSolverCounterSat, 350 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 628 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 1596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 350 IncrementalHoareTripleChecker+Valid, 1246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-02 04:23:27,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [628 Valid, 116 Invalid, 1596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [350 Valid, 1246 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-02 04:23:27,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2023-04-02 04:23:27,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 694. [2023-04-02 04:23:27,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 694 states, 418 states have (on average 1.2679425837320575) internal successors, (530), 482 states have internal predecessors, (530), 152 states have call successors, (152), 123 states have call predecessors, (152), 123 states have return successors, (180), 116 states have call predecessors, (180), 148 states have call successors, (180) [2023-04-02 04:23:27,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 862 transitions. [2023-04-02 04:23:27,898 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 862 transitions. Word has length 57 [2023-04-02 04:23:27,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:23:27,898 INFO L495 AbstractCegarLoop]: Abstraction has 694 states and 862 transitions. [2023-04-02 04:23:27,898 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 04:23:27,899 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 862 transitions. [2023-04-02 04:23:27,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-04-02 04:23:27,901 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:23:27,901 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 04:23:27,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-02 04:23:27,901 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:23:27,902 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:23:27,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1270153301, now seen corresponding path program 1 times [2023-04-02 04:23:27,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:23:27,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930071987] [2023-04-02 04:23:27,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:23:27,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:23:27,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:27,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:23:27,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:27,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:23:27,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:27,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:23:27,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:27,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:23:27,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:27,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:23:27,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:27,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-04-02 04:23:27,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:27,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-04-02 04:23:27,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:27,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-04-02 04:23:27,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:27,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 04:23:27,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:27,993 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 04:23:27,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:23:27,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930071987] [2023-04-02 04:23:27,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930071987] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:23:27,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:23:27,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-02 04:23:27,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935542829] [2023-04-02 04:23:27,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:23:27,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-02 04:23:27,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:23:27,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-02 04:23:27,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-04-02 04:23:27,994 INFO L87 Difference]: Start difference. First operand 694 states and 862 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 04:23:28,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:23:28,205 INFO L93 Difference]: Finished difference Result 1115 states and 1437 transitions. [2023-04-02 04:23:28,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-02 04:23:28,206 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 04:23:28,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:23:28,208 INFO L225 Difference]: With dead ends: 1115 [2023-04-02 04:23:28,208 INFO L226 Difference]: Without dead ends: 445 [2023-04-02 04:23:28,209 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 04:23:28,210 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 240 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-02 04:23:28,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 40 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-02 04:23:28,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2023-04-02 04:23:28,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 420. [2023-04-02 04:23:28,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 270 states have (on average 1.211111111111111) internal successors, (327), 292 states have internal predecessors, (327), 75 states have call successors, (75), 75 states have call predecessors, (75), 74 states have return successors, (77), 71 states have call predecessors, (77), 71 states have call successors, (77) [2023-04-02 04:23:28,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 479 transitions. [2023-04-02 04:23:28,252 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 479 transitions. Word has length 61 [2023-04-02 04:23:28,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:23:28,253 INFO L495 AbstractCegarLoop]: Abstraction has 420 states and 479 transitions. [2023-04-02 04:23:28,253 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 04:23:28,253 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 479 transitions. [2023-04-02 04:23:28,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-04-02 04:23:28,255 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:23:28,255 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 04:23:28,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-02 04:23:28,256 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:23:28,256 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:23:28,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1362847990, now seen corresponding path program 1 times [2023-04-02 04:23:28,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:23:28,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702507187] [2023-04-02 04:23:28,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:23:28,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:23:28,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:28,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:23:28,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:28,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:23:28,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:28,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:23:28,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:28,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:23:28,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:28,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:23:28,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:28,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 04:23:28,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:28,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 04:23:28,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:28,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-04-02 04:23:28,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:28,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:23:28,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:28,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:23:28,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:28,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-04-02 04:23:28,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:28,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-04-02 04:23:28,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:28,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-04-02 04:23:28,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:28,488 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 04:23:28,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:23:28,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702507187] [2023-04-02 04:23:28,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702507187] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 04:23:28,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [893710626] [2023-04-02 04:23:28,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:23:28,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:23:28,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:23:28,492 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 04:23:28,516 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 04:23:28,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:28,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 15 conjunts are in the unsatisfiable core [2023-04-02 04:23:28,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 04:23:28,795 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 04:23:28,795 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 04:23:29,085 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 04:23:29,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [893710626] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-02 04:23:29,086 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-02 04:23:29,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 8] total 18 [2023-04-02 04:23:29,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168503584] [2023-04-02 04:23:29,086 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-02 04:23:29,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-04-02 04:23:29,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:23:29,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-04-02 04:23:29,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2023-04-02 04:23:29,088 INFO L87 Difference]: Start difference. First operand 420 states and 479 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 04:23:29,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:23:29,686 INFO L93 Difference]: Finished difference Result 562 states and 654 transitions. [2023-04-02 04:23:29,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-02 04:23:29,687 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 04:23:29,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:23:29,687 INFO L225 Difference]: With dead ends: 562 [2023-04-02 04:23:29,687 INFO L226 Difference]: Without dead ends: 0 [2023-04-02 04:23:29,688 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 04:23:29,692 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 339 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 877 mSolverCounterSat, 188 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 1065 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-02 04:23:29,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 173 Invalid, 1065 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [188 Valid, 877 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-02 04:23:29,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-02 04:23:29,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-02 04:23:29,693 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 04:23:29,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-02 04:23:29,694 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2023-04-02 04:23:29,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:23:29,694 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-02 04:23:29,694 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 04:23:29,694 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-02 04:23:29,694 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-02 04:23:29,696 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-02 04:23:29,711 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 04:23:29,903 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 04:23:29,905 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-02 04:23:31,718 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-02 04:23:31,718 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 11) no Hoare annotation was computed. [2023-04-02 04:23:31,718 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-02 04:23:31,718 INFO L899 garLoopResultBuilder]: For program point L288(lines 265 289) no Hoare annotation was computed. [2023-04-02 04:23:31,718 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeFINAL(lines 241 296) no Hoare annotation was computed. [2023-04-02 04:23:31,718 INFO L899 garLoopResultBuilder]: For program point L272(lines 272 276) no Hoare annotation was computed. [2023-04-02 04:23:31,718 INFO L899 garLoopResultBuilder]: For program point L272-1(lines 272 276) no Hoare annotation was computed. [2023-04-02 04:23:31,718 INFO L899 garLoopResultBuilder]: For program point L267(line 267) no Hoare annotation was computed. [2023-04-02 04:23:31,718 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 241 296) no Hoare annotation was computed. [2023-04-02 04:23:31,719 INFO L899 garLoopResultBuilder]: For program point L266-2(lines 266 287) no Hoare annotation was computed. [2023-04-02 04:23:31,719 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 241 296) no Hoare annotation was computed. [2023-04-02 04:23:31,719 INFO L899 garLoopResultBuilder]: For program point L323-2(lines 323 348) no Hoare annotation was computed. [2023-04-02 04:23:31,719 INFO L899 garLoopResultBuilder]: For program point L349(lines 322 350) no Hoare annotation was computed. [2023-04-02 04:23:31,719 INFO L899 garLoopResultBuilder]: For program point L342(line 342) no Hoare annotation was computed. [2023-04-02 04:23:31,719 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 297 356) no Hoare annotation was computed. [2023-04-02 04:23:31,719 INFO L899 garLoopResultBuilder]: For program point L342-1(line 342) no Hoare annotation was computed. [2023-04-02 04:23:31,719 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 297 356) no Hoare annotation was computed. [2023-04-02 04:23:31,719 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 297 356) no Hoare annotation was computed. [2023-04-02 04:23:31,719 INFO L899 garLoopResultBuilder]: For program point L329(lines 329 333) no Hoare annotation was computed. [2023-04-02 04:23:31,720 INFO L899 garLoopResultBuilder]: For program point L329-1(lines 329 333) no Hoare annotation was computed. [2023-04-02 04:23:31,720 INFO L899 garLoopResultBuilder]: For program point L324(line 324) no Hoare annotation was computed. [2023-04-02 04:23:31,720 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 179 187) no Hoare annotation was computed. [2023-04-02 04:23:31,720 INFO L899 garLoopResultBuilder]: For program point valid_productFINAL(lines 179 187) no Hoare annotation was computed. [2023-04-02 04:23:31,720 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 179 187) the Hoare annotation is: true [2023-04-02 04:23:31,720 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification4_spec__1EXIT(lines 932 956) no Hoare annotation was computed. [2023-04-02 04:23:31,720 INFO L895 garLoopResultBuilder]: At program point L946(line 946) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1)) [2023-04-02 04:23:31,721 INFO L899 garLoopResultBuilder]: For program point L944(lines 944 950) no Hoare annotation was computed. [2023-04-02 04:23:31,721 INFO L895 garLoopResultBuilder]: At program point L942(line 942) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1)) [2023-04-02 04:23:31,721 INFO L899 garLoopResultBuilder]: For program point L942-1(line 942) no Hoare annotation was computed. [2023-04-02 04:23:31,721 INFO L899 garLoopResultBuilder]: For program point L940(lines 940 953) no Hoare annotation was computed. [2023-04-02 04:23:31,721 INFO L899 garLoopResultBuilder]: For program point L940-1(lines 932 956) no Hoare annotation was computed. [2023-04-02 04:23:31,721 INFO L902 garLoopResultBuilder]: At program point L938(line 938) the Hoare annotation is: true [2023-04-02 04:23:31,721 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 932 956) the Hoare annotation is: true [2023-04-02 04:23:31,721 INFO L899 garLoopResultBuilder]: For program point L938-1(line 938) no Hoare annotation was computed. [2023-04-02 04:23:31,721 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 130 152) no Hoare annotation was computed. [2023-04-02 04:23:31,722 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 04:23:31,722 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 04:23:31,722 INFO L899 garLoopResultBuilder]: For program point mainFINAL(lines 130 152) no Hoare annotation was computed. [2023-04-02 04:23:31,722 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2023-04-02 04:23:31,722 INFO L899 garLoopResultBuilder]: For program point L140-1(lines 140 147) no Hoare annotation was computed. [2023-04-02 04:23:31,722 INFO L899 garLoopResultBuilder]: For program point L138(line 138) no Hoare annotation was computed. [2023-04-02 04:23:31,722 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 04:23:31,722 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 04:23:31,723 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 04:23:31,723 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 04:23:31,723 INFO L899 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2023-04-02 04:23:31,723 INFO L899 garLoopResultBuilder]: For program point L96(line 96) no Hoare annotation was computed. [2023-04-02 04:23:31,723 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 85 108) no Hoare annotation was computed. [2023-04-02 04:23:31,723 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2023-04-02 04:23:31,723 INFO L899 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2023-04-02 04:23:31,723 INFO L899 garLoopResultBuilder]: For program point L93(line 93) no Hoare annotation was computed. [2023-04-02 04:23:31,723 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2023-04-02 04:23:31,723 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 85 108) no Hoare annotation was computed. [2023-04-02 04:23:31,724 INFO L899 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2023-04-02 04:23:31,724 INFO L899 garLoopResultBuilder]: For program point L90(line 90) no Hoare annotation was computed. [2023-04-02 04:23:31,724 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 85 108) no Hoare annotation was computed. [2023-04-02 04:23:31,724 INFO L899 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2023-04-02 04:23:31,724 INFO L899 garLoopResultBuilder]: For program point L102(line 102) no Hoare annotation was computed. [2023-04-02 04:23:31,724 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2023-04-02 04:23:31,724 INFO L899 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2023-04-02 04:23:31,724 INFO L899 garLoopResultBuilder]: For program point L99(line 99) no Hoare annotation was computed. [2023-04-02 04:23:31,724 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2023-04-02 04:23:31,724 INFO L899 garLoopResultBuilder]: For program point stopSystemEXIT(lines 915 929) no Hoare annotation was computed. [2023-04-02 04:23:31,724 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 915 929) 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 04:23:31,725 INFO L895 garLoopResultBuilder]: At program point L921(line 921) 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 04:23:31,725 INFO L899 garLoopResultBuilder]: For program point L919(lines 919 925) no Hoare annotation was computed. [2023-04-02 04:23:31,725 INFO L899 garLoopResultBuilder]: For program point stopSystemFINAL(lines 915 929) no Hoare annotation was computed. [2023-04-02 04:23:31,725 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 896 914) the Hoare annotation is: true [2023-04-02 04:23:31,725 INFO L899 garLoopResultBuilder]: For program point L905(lines 905 909) no Hoare annotation was computed. [2023-04-02 04:23:31,725 INFO L902 garLoopResultBuilder]: At program point L903(line 903) the Hoare annotation is: true [2023-04-02 04:23:31,725 INFO L899 garLoopResultBuilder]: For program point L905-2(lines 905 909) no Hoare annotation was computed. [2023-04-02 04:23:31,725 INFO L899 garLoopResultBuilder]: For program point L903-1(line 903) no Hoare annotation was computed. [2023-04-02 04:23:31,725 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevelEXIT(lines 896 914) no Hoare annotation was computed. [2023-04-02 04:23:31,725 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevelFINAL(lines 896 914) no Hoare annotation was computed. [2023-04-02 04:23:31,726 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 165 171) no Hoare annotation was computed. [2023-04-02 04:23:31,726 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 165 171) the Hoare annotation is: true [2023-04-02 04:23:31,726 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeFINAL(lines 508 553) no Hoare annotation was computed. [2023-04-02 04:23:31,726 INFO L899 garLoopResultBuilder]: For program point L528(lines 528 535) no Hoare annotation was computed. [2023-04-02 04:23:31,726 INFO L899 garLoopResultBuilder]: For program point L522(lines 522 542) no Hoare annotation was computed. [2023-04-02 04:23:31,726 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 508 553) no Hoare annotation was computed. [2023-04-02 04:23:31,726 INFO L899 garLoopResultBuilder]: For program point L522-1(lines 522 542) no Hoare annotation was computed. [2023-04-02 04:23:31,726 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 508 553) no Hoare annotation was computed. [2023-04-02 04:23:31,726 INFO L895 garLoopResultBuilder]: At program point L801(line 801) 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 04:23:31,726 INFO L899 garLoopResultBuilder]: For program point L801-1(lines 782 806) no Hoare annotation was computed. [2023-04-02 04:23:31,726 INFO L895 garLoopResultBuilder]: At program point L796(line 796) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (= 0 ~systemActive~0)) [2023-04-02 04:23:31,727 INFO L895 garLoopResultBuilder]: At program point L792(line 792) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (= 0 ~systemActive~0)) [2023-04-02 04:23:31,727 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 782 806) no Hoare annotation was computed. [2023-04-02 04:23:31,727 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 798) no Hoare annotation was computed. [2023-04-02 04:23:31,727 INFO L895 garLoopResultBuilder]: At program point L788(line 788) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (= 0 ~systemActive~0)) [2023-04-02 04:23:31,727 INFO L899 garLoopResultBuilder]: For program point L788-1(line 788) no Hoare annotation was computed. [2023-04-02 04:23:31,727 INFO L899 garLoopResultBuilder]: For program point L786(lines 786 803) no Hoare annotation was computed. [2023-04-02 04:23:31,727 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 782 806) 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 04:23:31,727 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 748 754) no Hoare annotation was computed. [2023-04-02 04:23:31,727 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 748 754) the Hoare annotation is: true [2023-04-02 04:23:31,728 INFO L895 garLoopResultBuilder]: At program point L698(line 698) 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 04:23:31,728 INFO L899 garLoopResultBuilder]: For program point L696(lines 696 702) no Hoare annotation was computed. [2023-04-02 04:23:31,728 INFO L895 garLoopResultBuilder]: At program point L696-1(lines 690 703) 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 04:23:31,728 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 650 715) no Hoare annotation was computed. [2023-04-02 04:23:31,728 INFO L899 garLoopResultBuilder]: For program point L661(lines 660 707) no Hoare annotation was computed. [2023-04-02 04:23:31,728 INFO L899 garLoopResultBuilder]: For program point L690(lines 690 703) no Hoare annotation was computed. [2023-04-02 04:23:31,728 INFO L895 garLoopResultBuilder]: At program point L682(line 682) 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 04:23:31,728 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 650 715) 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 04:23:31,728 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 686) no Hoare annotation was computed. [2023-04-02 04:23:31,728 INFO L899 garLoopResultBuilder]: For program point L680-1(lines 680 686) no Hoare annotation was computed. [2023-04-02 04:23:31,729 INFO L895 garLoopResultBuilder]: At program point L705(lines 660 707) 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 04:23:31,729 INFO L895 garLoopResultBuilder]: At program point L672(line 672) 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 04:23:31,729 INFO L899 garLoopResultBuilder]: For program point L670(lines 670 676) no Hoare annotation was computed. [2023-04-02 04:23:31,729 INFO L899 garLoopResultBuilder]: For program point L670-1(lines 670 676) no Hoare annotation was computed. [2023-04-02 04:23:31,729 INFO L899 garLoopResultBuilder]: For program point L662(lines 662 666) no Hoare annotation was computed. [2023-04-02 04:23:31,729 INFO L895 garLoopResultBuilder]: At program point L708(lines 659 709) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-02 04:23:31,729 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 650 715) no Hoare annotation was computed. [2023-04-02 04:23:31,729 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 807 814) no Hoare annotation was computed. [2023-04-02 04:23:31,729 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 807 814) no Hoare annotation was computed. [2023-04-02 04:23:31,729 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 807 814) no Hoare annotation was computed. [2023-04-02 04:23:31,730 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDryFINAL(lines 639 647) no Hoare annotation was computed. [2023-04-02 04:23:31,730 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 639 647) the Hoare annotation is: true [2023-04-02 04:23:31,730 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDryEXIT(lines 639 647) no Hoare annotation was computed. [2023-04-02 04:23:31,730 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 607 629) no Hoare annotation was computed. [2023-04-02 04:23:31,730 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 607 629) no Hoare annotation was computed. [2023-04-02 04:23:31,730 INFO L899 garLoopResultBuilder]: For program point L615(lines 615 623) no Hoare annotation was computed. [2023-04-02 04:23:31,730 INFO L899 garLoopResultBuilder]: For program point L615-2(lines 615 623) no Hoare annotation was computed. [2023-04-02 04:23:31,730 INFO L899 garLoopResultBuilder]: For program point printEnvironmentFINAL(lines 607 629) no Hoare annotation was computed. [2023-04-02 04:23:31,730 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 815 831) no Hoare annotation was computed. [2023-04-02 04:23:31,730 INFO L899 garLoopResultBuilder]: For program point L826(line 826) no Hoare annotation was computed. [2023-04-02 04:23:31,730 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 815 831) no Hoare annotation was computed. [2023-04-02 04:23:31,730 INFO L899 garLoopResultBuilder]: For program point L826-1(lines 815 831) no Hoare annotation was computed. [2023-04-02 04:23:31,731 INFO L899 garLoopResultBuilder]: For program point L822(lines 822 828) no Hoare annotation was computed. [2023-04-02 04:23:31,731 INFO L899 garLoopResultBuilder]: For program point L820(line 820) no Hoare annotation was computed. [2023-04-02 04:23:31,731 INFO L899 garLoopResultBuilder]: For program point L820-1(line 820) no Hoare annotation was computed. [2023-04-02 04:23:31,731 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 630 638) the Hoare annotation is: true [2023-04-02 04:23:31,731 INFO L899 garLoopResultBuilder]: For program point getWaterLevelFINAL(lines 630 638) no Hoare annotation was computed. [2023-04-02 04:23:31,731 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 630 638) no Hoare annotation was computed. [2023-04-02 04:23:31,731 INFO L895 garLoopResultBuilder]: At program point L737(line 737) 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 04:23:31,731 INFO L895 garLoopResultBuilder]: At program point L735(lines 735 741) 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 04:23:31,731 INFO L895 garLoopResultBuilder]: At program point L730(line 730) 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 04:23:31,732 INFO L899 garLoopResultBuilder]: For program point L728(lines 727 746) no Hoare annotation was computed. [2023-04-02 04:23:31,732 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 724 747) no Hoare annotation was computed. [2023-04-02 04:23:31,732 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 724 747) 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 04:23:31,732 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 724 747) no Hoare annotation was computed. [2023-04-02 04:23:31,732 INFO L902 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2023-04-02 04:23:31,732 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2023-04-02 04:23:31,732 INFO L899 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2023-04-02 04:23:31,732 INFO L902 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2023-04-02 04:23:31,732 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2023-04-02 04:23:31,732 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2023-04-02 04:23:31,733 INFO L902 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2023-04-02 04:23:31,733 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 52 81) the Hoare annotation is: true [2023-04-02 04:23:31,733 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2023-04-02 04:23:31,733 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2023-04-02 04:23:31,733 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 598 606) the Hoare annotation is: true [2023-04-02 04:23:31,733 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 598 606) no Hoare annotation was computed. [2023-04-02 04:23:31,733 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 598 606) no Hoare annotation was computed. [2023-04-02 04:23:31,733 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 562 573) no Hoare annotation was computed. [2023-04-02 04:23:31,733 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 562 573) the Hoare annotation is: true [2023-04-02 04:23:31,733 INFO L899 garLoopResultBuilder]: For program point L566-1(lines 562 573) no Hoare annotation was computed. [2023-04-02 04:23:31,733 INFO L899 garLoopResultBuilder]: For program point L578-1(lines 574 585) no Hoare annotation was computed. [2023-04-02 04:23:31,733 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 574 585) no Hoare annotation was computed. [2023-04-02 04:23:31,734 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 574 585) 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 04:23:31,734 INFO L899 garLoopResultBuilder]: For program point __automaton_failFINAL(lines 958 965) no Hoare annotation was computed. [2023-04-02 04:23:31,734 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 958 965) the Hoare annotation is: true [2023-04-02 04:23:31,734 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 962) no Hoare annotation was computed. [2023-04-02 04:23:31,734 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 958 965) no Hoare annotation was computed. [2023-04-02 04:23:31,734 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 172 178) the Hoare annotation is: true [2023-04-02 04:23:31,734 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 172 178) no Hoare annotation was computed. [2023-04-02 04:23:31,734 INFO L895 garLoopResultBuilder]: At program point L766(line 766) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (= 0 ~systemActive~0)) [2023-04-02 04:23:31,734 INFO L899 garLoopResultBuilder]: For program point L764(lines 764 772) no Hoare annotation was computed. [2023-04-02 04:23:31,734 INFO L895 garLoopResultBuilder]: At program point L762(line 762) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (= 0 ~systemActive~0)) [2023-04-02 04:23:31,734 INFO L899 garLoopResultBuilder]: For program point L762-1(line 762) no Hoare annotation was computed. [2023-04-02 04:23:31,735 INFO L899 garLoopResultBuilder]: For program point L760(lines 760 777) no Hoare annotation was computed. [2023-04-02 04:23:31,735 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 756 780) no Hoare annotation was computed. [2023-04-02 04:23:31,735 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 756 780) 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 04:23:31,735 INFO L895 garLoopResultBuilder]: At program point L775(line 775) 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 04:23:31,735 INFO L899 garLoopResultBuilder]: For program point L775-1(lines 756 780) no Hoare annotation was computed. [2023-04-02 04:23:31,735 INFO L895 garLoopResultBuilder]: At program point L770(line 770) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (= 0 ~systemActive~0)) [2023-04-02 04:23:31,735 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 851 859) no Hoare annotation was computed. [2023-04-02 04:23:31,735 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 851 859) no Hoare annotation was computed. [2023-04-02 04:23:31,735 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 851 859) the Hoare annotation is: true [2023-04-02 04:23:31,735 INFO L899 garLoopResultBuilder]: For program point L867-2(lines 867 875) no Hoare annotation was computed. [2023-04-02 04:23:31,735 INFO L899 garLoopResultBuilder]: For program point L890(line 890) no Hoare annotation was computed. [2023-04-02 04:23:31,736 INFO L899 garLoopResultBuilder]: For program point L890-1(line 890) no Hoare annotation was computed. [2023-04-02 04:23:31,736 INFO L899 garLoopResultBuilder]: For program point L879(lines 879 887) no Hoare annotation was computed. [2023-04-02 04:23:31,736 INFO L899 garLoopResultBuilder]: For program point printPumpFINAL(lines 860 895) no Hoare annotation was computed. [2023-04-02 04:23:31,736 INFO L899 garLoopResultBuilder]: For program point L879-2(lines 879 887) no Hoare annotation was computed. [2023-04-02 04:23:31,736 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 860 895) no Hoare annotation was computed. [2023-04-02 04:23:31,736 INFO L899 garLoopResultBuilder]: For program point L867(lines 867 875) no Hoare annotation was computed. [2023-04-02 04:23:31,748 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 860 895) no Hoare annotation was computed. [2023-04-02 04:23:31,748 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 195 240) no Hoare annotation was computed. [2023-04-02 04:23:31,748 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 195 240) no Hoare annotation was computed. [2023-04-02 04:23:31,748 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setFINAL(lines 195 240) no Hoare annotation was computed. [2023-04-02 04:23:31,748 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 117 126) no Hoare annotation was computed. [2023-04-02 04:23:31,748 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 04:23:31,748 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 117 126) no Hoare annotation was computed. [2023-04-02 04:23:31,749 INFO L902 garLoopResultBuilder]: At program point L845(line 845) the Hoare annotation is: true [2023-04-02 04:23:31,749 INFO L899 garLoopResultBuilder]: For program point L845-1(line 845) no Hoare annotation was computed. [2023-04-02 04:23:31,749 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 840 850) no Hoare annotation was computed. [2023-04-02 04:23:31,749 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 840 850) the Hoare annotation is: true [2023-04-02 04:23:31,749 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 840 850) no Hoare annotation was computed. [2023-04-02 04:23:31,749 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 832 839) no Hoare annotation was computed. [2023-04-02 04:23:31,749 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 832 839) the Hoare annotation is: true [2023-04-02 04:23:31,749 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 832 839) no Hoare annotation was computed. [2023-04-02 04:23:31,749 INFO L899 garLoopResultBuilder]: For program point L476(lines 476 496) no Hoare annotation was computed. [2023-04-02 04:23:31,749 INFO L899 garLoopResultBuilder]: For program point L476-1(lines 476 496) no Hoare annotation was computed. [2023-04-02 04:23:31,749 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 462 507) no Hoare annotation was computed. [2023-04-02 04:23:31,750 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argFINAL(lines 462 507) no Hoare annotation was computed. [2023-04-02 04:23:31,750 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 462 507) no Hoare annotation was computed. [2023-04-02 04:23:31,750 INFO L899 garLoopResultBuilder]: For program point L482(lines 482 489) no Hoare annotation was computed. [2023-04-02 04:23:31,750 INFO L899 garLoopResultBuilder]: For program point select_oneFINAL(lines 155 164) no Hoare annotation was computed. [2023-04-02 04:23:31,750 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 155 164) no Hoare annotation was computed. [2023-04-02 04:23:31,750 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 155 164) no Hoare annotation was computed. [2023-04-02 04:23:31,750 INFO L899 garLoopResultBuilder]: For program point L448(lines 448 455) no Hoare annotation was computed. [2023-04-02 04:23:31,750 INFO L899 garLoopResultBuilder]: For program point L409(lines 408 428) no Hoare annotation was computed. [2023-04-02 04:23:31,750 INFO L899 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2023-04-02 04:23:31,750 INFO L899 garLoopResultBuilder]: For program point L440-1(line 440) no Hoare annotation was computed. [2023-04-02 04:23:31,750 INFO L899 garLoopResultBuilder]: For program point L405(lines 405 446) no Hoare annotation was computed. [2023-04-02 04:23:31,750 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 359 461) no Hoare annotation was computed. [2023-04-02 04:23:31,750 INFO L899 garLoopResultBuilder]: For program point L424(line 424) no Hoare annotation was computed. [2023-04-02 04:23:31,751 INFO L899 garLoopResultBuilder]: For program point L424-1(line 424) no Hoare annotation was computed. [2023-04-02 04:23:31,751 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 359 461) no Hoare annotation was computed. [2023-04-02 04:23:31,751 INFO L899 garLoopResultBuilder]: For program point L383(lines 383 387) no Hoare annotation was computed. [2023-04-02 04:23:31,751 INFO L899 garLoopResultBuilder]: For program point L447(lines 447 458) no Hoare annotation was computed. [2023-04-02 04:23:31,751 INFO L899 garLoopResultBuilder]: For program point L410(lines 410 414) no Hoare annotation was computed. [2023-04-02 04:23:31,751 INFO L899 garLoopResultBuilder]: For program point L408-2(lines 408 428) no Hoare annotation was computed. [2023-04-02 04:23:31,751 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 359 461) no Hoare annotation was computed. [2023-04-02 04:23:31,751 INFO L899 garLoopResultBuilder]: For program point L429(lines 407 430) no Hoare annotation was computed. [2023-04-02 04:23:31,751 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 404) no Hoare annotation was computed. [2023-04-02 04:23:31,751 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:23:31,751 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 04:23:31,752 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:23:31,752 INFO L899 garLoopResultBuilder]: For program point L590-1(lines 586 597) no Hoare annotation was computed. [2023-04-02 04:23:31,752 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 586 597) 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 04:23:31,752 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 586 597) no Hoare annotation was computed. [2023-04-02 04:23:31,752 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:23:31,752 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:23:31,752 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-02 04:23:31,752 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 109 115) no Hoare annotation was computed. [2023-04-02 04:23:31,752 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 109 115) the Hoare annotation is: true [2023-04-02 04:23:31,752 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:23:31,752 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 04:23:31,752 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:23:31,753 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-02 04:23:31,756 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-04-02 04:23:31,758 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-02 04:23:31,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.04 04:23:31 BoogieIcfgContainer [2023-04-02 04:23:31,770 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-02 04:23:31,770 INFO L158 Benchmark]: Toolchain (without parser) took 9067.49ms. Allocated memory was 285.2MB in the beginning and 431.0MB in the end (delta: 145.8MB). Free memory was 237.7MB in the beginning and 392.1MB in the end (delta: -154.5MB). Peak memory consumption was 240.1MB. Max. memory is 8.0GB. [2023-04-02 04:23:31,770 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 180.4MB. Free memory is still 128.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-02 04:23:31,770 INFO L158 Benchmark]: CACSL2BoogieTranslator took 390.31ms. Allocated memory is still 285.2MB. Free memory was 237.5MB in the beginning and 218.8MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-04-02 04:23:31,771 INFO L158 Benchmark]: Boogie Preprocessor took 58.04ms. Allocated memory is still 285.2MB. Free memory was 218.8MB in the beginning and 215.5MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-02 04:23:31,771 INFO L158 Benchmark]: RCFGBuilder took 745.76ms. Allocated memory is still 285.2MB. Free memory was 215.5MB in the beginning and 176.3MB in the end (delta: 39.2MB). Peak memory consumption was 39.8MB. Max. memory is 8.0GB. [2023-04-02 04:23:31,771 INFO L158 Benchmark]: TraceAbstraction took 7868.96ms. Allocated memory was 285.2MB in the beginning and 431.0MB in the end (delta: 145.8MB). Free memory was 175.6MB in the beginning and 392.1MB in the end (delta: -216.5MB). Peak memory consumption was 178.3MB. Max. memory is 8.0GB. [2023-04-02 04:23:31,772 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 180.4MB. Free memory is still 128.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 390.31ms. Allocated memory is still 285.2MB. Free memory was 237.5MB in the beginning and 218.8MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 58.04ms. Allocated memory is still 285.2MB. Free memory was 218.8MB in the beginning and 215.5MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 745.76ms. Allocated memory is still 285.2MB. Free memory was 215.5MB in the beginning and 176.3MB in the end (delta: 39.2MB). Peak memory consumption was 39.8MB. Max. memory is 8.0GB. * TraceAbstraction took 7868.96ms. Allocated memory was 285.2MB in the beginning and 431.0MB in the end (delta: 145.8MB). Free memory was 175.6MB in the beginning and 392.1MB in the end (delta: -216.5MB). Peak memory consumption was 178.3MB. 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: 962]: 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 41 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.8s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1828 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1769 mSDsluCounter, 459 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 370 mSDsCounter, 982 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3583 IncrementalHoareTripleChecker+Invalid, 4565 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 982 mSolverCounterUnsat, 89 mSDtfsCounter, 3583 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, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=694occurred 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: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 245 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 812 PreInvPairs, 863 NumberOfFragments, 876 HoareAnnotationTreeSize, 812 FomulaSimplifications, 11588 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 60 FomulaSimplificationsInter, 4105 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 438 NumberOfCodeBlocks, 438 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 518 ConstructedInterpolants, 0 QuantifiedInterpolants, 1283 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: 659]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 660]: 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 04:23:31,796 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...