/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_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 04:23:01,056 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 04:23:01,059 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 04:23:01,097 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 04:23:01,098 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 04:23:01,101 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 04:23:01,104 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 04:23:01,108 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 04:23:01,109 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 04:23:01,116 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 04:23:01,118 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 04:23:01,119 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 04:23:01,119 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 04:23:01,120 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 04:23:01,121 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 04:23:01,122 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 04:23:01,122 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 04:23:01,122 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 04:23:01,124 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 04:23:01,125 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 04:23:01,125 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 04:23:01,131 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 04:23:01,132 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 04:23:01,134 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 04:23:01,138 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 04:23:01,138 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 04:23:01,138 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 04:23:01,139 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 04:23:01,139 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 04:23:01,139 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 04:23:01,139 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 04:23:01,140 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 04:23:01,140 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 04:23:01,141 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 04:23:01,141 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 04:23:01,141 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 04:23:01,142 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 04:23:01,142 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 04:23:01,142 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 04:23:01,144 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 04:23:01,145 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 04:23:01,146 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 04:23:01,170 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 04:23:01,171 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 04:23:01,171 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 04:23:01,171 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 04:23:01,172 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 04:23:01,172 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 04:23:01,172 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 04:23:01,173 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 04:23:01,173 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 04:23:01,173 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 04:23:01,173 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 04:23:01,173 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 04:23:01,174 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 04:23:01,174 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 04:23:01,174 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 04:23:01,174 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 04:23:01,174 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 04:23:01,174 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 04:23:01,174 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 04:23:01,174 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 04:23:01,174 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 04:23:01,174 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 04:23:01,174 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 04:23:01,175 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 04:23:01,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 04:23:01,175 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 04:23:01,175 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 04:23:01,175 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 04:23:01,175 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 04:23:01,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 04:23:01,175 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 04:23:01,175 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 04:23:01,176 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 04:23:01,176 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 04:23:01,176 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 04:23:01,176 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 04:23:01,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 04:23:01,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 04:23:01,375 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 04:23:01,376 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 04:23:01,377 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 04:23:01,378 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c [2023-04-02 04:23:02,645 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 04:23:02,848 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 04:23:02,849 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c [2023-04-02 04:23:02,856 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4f12f3fe/8694c0796ede4de89ce51d9dc67f949a/FLAG37e6c9e45 [2023-04-02 04:23:02,867 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4f12f3fe/8694c0796ede4de89ce51d9dc67f949a [2023-04-02 04:23:02,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 04:23:02,870 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 04:23:02,871 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 04:23:02,871 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 04:23:02,877 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 04:23:02,877 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 04:23:02" (1/1) ... [2023-04-02 04:23:02,878 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19be6628 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:02, skipping insertion in model container [2023-04-02 04:23:02,878 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 04:23:02" (1/1) ... [2023-04-02 04:23:02,882 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 04:23:02,931 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 04:23:03,166 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_product20.cil.c[14361,14374] [2023-04-02 04:23:03,191 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 04:23:03,200 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 04:23:03,241 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_product20.cil.c[14361,14374] [2023-04-02 04:23:03,246 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 04:23:03,258 INFO L208 MainTranslator]: Completed translation [2023-04-02 04:23:03,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:03 WrapperNode [2023-04-02 04:23:03,258 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 04:23:03,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 04:23:03,259 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 04:23:03,259 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 04:23:03,267 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:03" (1/1) ... [2023-04-02 04:23:03,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:03" (1/1) ... [2023-04-02 04:23:03,290 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:03" (1/1) ... [2023-04-02 04:23:03,290 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:03" (1/1) ... [2023-04-02 04:23:03,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:03" (1/1) ... [2023-04-02 04:23:03,307 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:03" (1/1) ... [2023-04-02 04:23:03,308 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:03" (1/1) ... [2023-04-02 04:23:03,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:03" (1/1) ... [2023-04-02 04:23:03,313 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 04:23:03,313 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 04:23:03,314 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 04:23:03,314 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 04:23:03,314 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:03" (1/1) ... [2023-04-02 04:23:03,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 04:23:03,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:23:03,353 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 04:23:03,360 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 04:23:03,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 04:23:03,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 04:23:03,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-02 04:23:03,386 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 04:23:03,386 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-02 04:23:03,386 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-02 04:23:03,387 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-02 04:23:03,387 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-02 04:23:03,387 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-02 04:23:03,387 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-02 04:23:03,387 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-02 04:23:03,387 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-02 04:23:03,387 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-02 04:23:03,387 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-02 04:23:03,394 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2023-04-02 04:23:03,394 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-02 04:23:03,394 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-02 04:23:03,394 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-02 04:23:03,394 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-02 04:23:03,394 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 04:23:03,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-02 04:23:03,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-02 04:23:03,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-02 04:23:03,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-02 04:23:03,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-02 04:23:03,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-02 04:23:03,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-02 04:23:03,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2023-04-02 04:23:03,395 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-02 04:23:03,395 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-04-02 04:23:03,395 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-02 04:23:03,395 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-02 04:23:03,395 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-02 04:23:03,395 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-02 04:23:03,396 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-02 04:23:03,396 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-02 04:23:03,396 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2023-04-02 04:23:03,396 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2023-04-02 04:23:03,396 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2023-04-02 04:23:03,396 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-02 04:23:03,396 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 04:23:03,396 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 04:23:03,396 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 04:23:03,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 04:23:03,396 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 04:23:03,396 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-02 04:23:03,397 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-02 04:23:03,397 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-02 04:23:03,397 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-02 04:23:03,397 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-02 04:23:03,397 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-02 04:23:03,398 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-02 04:23:03,398 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-02 04:23:03,398 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-02 04:23:03,399 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-02 04:23:03,399 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-02 04:23:03,399 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2023-04-02 04:23:03,399 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-02 04:23:03,399 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-02 04:23:03,399 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-02 04:23:03,400 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-02 04:23:03,400 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-02 04:23:03,400 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-02 04:23:03,400 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-02 04:23:03,400 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 04:23:03,400 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 04:23:03,400 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 04:23:03,400 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-02 04:23:03,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 04:23:03,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 04:23:03,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 04:23:03,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 04:23:03,401 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-02 04:23:03,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 04:23:03,401 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-02 04:23:03,401 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-02 04:23:03,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 04:23:03,401 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-02 04:23:03,401 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-02 04:23:03,401 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-02 04:23:03,401 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-02 04:23:03,401 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-02 04:23:03,401 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2023-04-02 04:23:03,402 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-02 04:23:03,402 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-02 04:23:03,402 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2023-04-02 04:23:03,402 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2023-04-02 04:23:03,402 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-02 04:23:03,402 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-04-02 04:23:03,403 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2023-04-02 04:23:03,403 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-02 04:23:03,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 04:23:03,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 04:23:03,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 04:23:03,558 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 04:23:03,560 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 04:23:03,963 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 04:23:03,968 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 04:23:03,968 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-02 04:23:03,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 04:23:03 BoogieIcfgContainer [2023-04-02 04:23:03,970 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 04:23:03,971 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 04:23:03,971 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 04:23:03,974 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 04:23:03,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 04:23:02" (1/3) ... [2023-04-02 04:23:03,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73ddf514 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 04:23:03, skipping insertion in model container [2023-04-02 04:23:03,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:23:03" (2/3) ... [2023-04-02 04:23:03,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73ddf514 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 04:23:03, skipping insertion in model container [2023-04-02 04:23:03,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 04:23:03" (3/3) ... [2023-04-02 04:23:03,975 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product20.cil.c [2023-04-02 04:23:03,987 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 04:23:03,987 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 04:23:04,020 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 04:23:04,027 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;@76a2bdc3, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 04:23:04,027 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 04:23:04,030 INFO L276 IsEmpty]: Start isEmpty. Operand has 157 states, 85 states have (on average 1.3058823529411765) internal successors, (111), 98 states have internal predecessors, (111), 43 states have call successors, (43), 26 states have call predecessors, (43), 26 states have return successors, (43), 40 states have call predecessors, (43), 43 states have call successors, (43) [2023-04-02 04:23:04,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-04-02 04:23:04,037 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:23:04,037 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 04:23:04,038 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:23:04,041 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:23:04,041 INFO L85 PathProgramCache]: Analyzing trace with hash -422113589, now seen corresponding path program 1 times [2023-04-02 04:23:04,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:23:04,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401671894] [2023-04-02 04:23:04,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:23:04,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:23:04,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:04,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:23:04,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:04,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:23:04,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:04,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:23:04,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:04,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:23:04,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:04,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:23:04,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:04,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-04-02 04:23:04,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:04,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 04:23:04,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:04,312 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 04:23:04,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:23:04,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401671894] [2023-04-02 04:23:04,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401671894] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:23:04,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:23:04,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-02 04:23:04,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450554919] [2023-04-02 04:23:04,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:23:04,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 04:23:04,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:23:04,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 04:23:04,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-02 04:23:04,347 INFO L87 Difference]: Start difference. First operand has 157 states, 85 states have (on average 1.3058823529411765) internal successors, (111), 98 states have internal predecessors, (111), 43 states have call successors, (43), 26 states have call predecessors, (43), 26 states have return successors, (43), 40 states have call predecessors, (43), 43 states have call successors, (43) 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 04:23:04,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:23:04,737 INFO L93 Difference]: Finished difference Result 270 states and 356 transitions. [2023-04-02 04:23:04,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 04:23:04,739 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 04:23:04,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:23:04,748 INFO L225 Difference]: With dead ends: 270 [2023-04-02 04:23:04,748 INFO L226 Difference]: Without dead ends: 147 [2023-04-02 04:23:04,752 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 04:23:04,755 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 80 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-02 04:23:04,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 23 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-02 04:23:04,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2023-04-02 04:23:04,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 114. [2023-04-02 04:23:04,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 66 states have (on average 1.2424242424242424) internal successors, (82), 76 states have internal predecessors, (82), 28 states have call successors, (28), 24 states have call predecessors, (28), 19 states have return successors, (23), 20 states have call predecessors, (23), 23 states have call successors, (23) [2023-04-02 04:23:04,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 133 transitions. [2023-04-02 04:23:04,810 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 133 transitions. Word has length 46 [2023-04-02 04:23:04,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:23:04,811 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 133 transitions. [2023-04-02 04:23:04,811 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 04:23:04,811 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 133 transitions. [2023-04-02 04:23:04,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-04-02 04:23:04,814 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:23:04,815 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 04:23:04,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 04:23:04,815 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:23:04,816 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:23:04,816 INFO L85 PathProgramCache]: Analyzing trace with hash -1279721572, now seen corresponding path program 1 times [2023-04-02 04:23:04,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:23:04,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327146576] [2023-04-02 04:23:04,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:23:04,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:23:04,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:04,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:23:04,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:04,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:23:04,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:04,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:23:04,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:04,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:23:04,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:04,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:23:04,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:04,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-04-02 04:23:04,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:04,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 04:23:04,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:04,913 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 04:23:04,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:23:04,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327146576] [2023-04-02 04:23:04,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327146576] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:23:04,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:23:04,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-02 04:23:04,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620015150] [2023-04-02 04:23:04,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:23:04,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-02 04:23:04,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:23:04,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-02 04:23:04,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-02 04:23:04,916 INFO L87 Difference]: Start difference. First operand 114 states and 133 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 04:23:05,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:23:05,185 INFO L93 Difference]: Finished difference Result 193 states and 235 transitions. [2023-04-02 04:23:05,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-02 04:23:05,186 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 04:23:05,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:23:05,187 INFO L225 Difference]: With dead ends: 193 [2023-04-02 04:23:05,187 INFO L226 Difference]: Without dead ends: 131 [2023-04-02 04:23:05,188 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 04:23:05,188 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 90 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-02 04:23:05,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 31 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-02 04:23:05,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2023-04-02 04:23:05,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 105. [2023-04-02 04:23:05,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 60 states have (on average 1.25) internal successors, (75), 70 states have internal predecessors, (75), 25 states have call successors, (25), 23 states have call predecessors, (25), 19 states have return successors, (21), 18 states have call predecessors, (21), 21 states have call successors, (21) [2023-04-02 04:23:05,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 121 transitions. [2023-04-02 04:23:05,208 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 121 transitions. Word has length 47 [2023-04-02 04:23:05,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:23:05,208 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 121 transitions. [2023-04-02 04:23:05,208 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 04:23:05,208 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 121 transitions. [2023-04-02 04:23:05,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-04-02 04:23:05,209 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:23:05,209 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:23:05,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 04:23:05,210 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:23:05,210 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:23:05,210 INFO L85 PathProgramCache]: Analyzing trace with hash -1449363656, now seen corresponding path program 1 times [2023-04-02 04:23:05,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:23:05,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028778467] [2023-04-02 04:23:05,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:23:05,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:23:05,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:05,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:23:05,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:05,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:23:05,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:05,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:23:05,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:05,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:23:05,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:05,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:23:05,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:05,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 04:23:05,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:05,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-04-02 04:23:05,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:05,375 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 04:23:05,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:23:05,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028778467] [2023-04-02 04:23:05,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028778467] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:23:05,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:23:05,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 04:23:05,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303005773] [2023-04-02 04:23:05,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:23:05,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 04:23:05,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:23:05,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 04:23:05,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-04-02 04:23:05,377 INFO L87 Difference]: Start difference. First operand 105 states and 121 transitions. Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-02 04:23:05,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:23:05,992 INFO L93 Difference]: Finished difference Result 366 states and 454 transitions. [2023-04-02 04:23:05,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-02 04:23:05,992 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 52 [2023-04-02 04:23:05,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:23:05,994 INFO L225 Difference]: With dead ends: 366 [2023-04-02 04:23:05,994 INFO L226 Difference]: Without dead ends: 285 [2023-04-02 04:23:05,995 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 04:23:05,996 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 320 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 743 mSolverCounterSat, 166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-04-02 04:23:05,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [328 Valid, 80 Invalid, 909 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 743 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-04-02 04:23:05,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2023-04-02 04:23:06,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 224. [2023-04-02 04:23:06,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 135 states have (on average 1.2962962962962963) internal successors, (175), 154 states have internal predecessors, (175), 49 states have call successors, (49), 45 states have call predecessors, (49), 39 states have return successors, (46), 37 states have call predecessors, (46), 45 states have call successors, (46) [2023-04-02 04:23:06,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 270 transitions. [2023-04-02 04:23:06,061 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 270 transitions. Word has length 52 [2023-04-02 04:23:06,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:23:06,062 INFO L495 AbstractCegarLoop]: Abstraction has 224 states and 270 transitions. [2023-04-02 04:23:06,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-02 04:23:06,062 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 270 transitions. [2023-04-02 04:23:06,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-04-02 04:23:06,063 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:23:06,063 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 04:23:06,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 04:23:06,063 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:23:06,064 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:23:06,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1554490740, now seen corresponding path program 1 times [2023-04-02 04:23:06,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:23:06,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175216332] [2023-04-02 04:23:06,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:23:06,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:23:06,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:06,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:23:06,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:06,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:23:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:06,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:23:06,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:06,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:23:06,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:06,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:23:06,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:06,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-04-02 04:23:06,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:06,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-04-02 04:23:06,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:06,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-02 04:23:06,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:06,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:23:06,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:23:06,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175216332] [2023-04-02 04:23:06,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175216332] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:23:06,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:23:06,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 04:23:06,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540783359] [2023-04-02 04:23:06,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:23:06,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 04:23:06,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:23:06,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 04:23:06,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2023-04-02 04:23:06,281 INFO L87 Difference]: Start difference. First operand 224 states and 270 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 04:23:07,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:23:07,366 INFO L93 Difference]: Finished difference Result 891 states and 1198 transitions. [2023-04-02 04:23:07,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-04-02 04:23:07,366 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 04:23:07,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:23:07,370 INFO L225 Difference]: With dead ends: 891 [2023-04-02 04:23:07,370 INFO L226 Difference]: Without dead ends: 691 [2023-04-02 04:23:07,372 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 04:23:07,372 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 387 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 1112 mSolverCounterSat, 197 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 403 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 1309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 197 IncrementalHoareTripleChecker+Valid, 1112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-02 04:23:07,373 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [403 Valid, 130 Invalid, 1309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [197 Valid, 1112 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-02 04:23:07,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2023-04-02 04:23:07,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 594. [2023-04-02 04:23:07,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 594 states, 362 states have (on average 1.276243093922652) internal successors, (462), 417 states have internal predecessors, (462), 125 states have call successors, (125), 108 states have call predecessors, (125), 106 states have return successors, (149), 99 states have call predecessors, (149), 121 states have call successors, (149) [2023-04-02 04:23:07,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 736 transitions. [2023-04-02 04:23:07,441 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 736 transitions. Word has length 57 [2023-04-02 04:23:07,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:23:07,441 INFO L495 AbstractCegarLoop]: Abstraction has 594 states and 736 transitions. [2023-04-02 04:23:07,441 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 04:23:07,442 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 736 transitions. [2023-04-02 04:23:07,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-04-02 04:23:07,444 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:23:07,444 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 04:23:07,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-02 04:23:07,445 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:23:07,445 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:23:07,445 INFO L85 PathProgramCache]: Analyzing trace with hash 2131738866, now seen corresponding path program 1 times [2023-04-02 04:23:07,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:23:07,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168340094] [2023-04-02 04:23:07,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:23:07,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:23:07,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:07,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:23:07,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:07,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:23:07,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:07,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:23:07,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:07,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:23:07,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:07,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:23:07,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:07,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-04-02 04:23:07,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:07,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-04-02 04:23:07,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:07,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-04-02 04:23:07,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:07,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 04:23:07,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:07,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:23:07,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:23:07,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168340094] [2023-04-02 04:23:07,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168340094] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:23:07,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:23:07,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-02 04:23:07,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433235791] [2023-04-02 04:23:07,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:23:07,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-02 04:23:07,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:23:07,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-02 04:23:07,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-04-02 04:23:07,543 INFO L87 Difference]: Start difference. First operand 594 states and 736 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 04:23:07,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:23:07,774 INFO L93 Difference]: Finished difference Result 1039 states and 1358 transitions. [2023-04-02 04:23:07,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-02 04:23:07,775 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 04:23:07,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:23:07,777 INFO L225 Difference]: With dead ends: 1039 [2023-04-02 04:23:07,777 INFO L226 Difference]: Without dead ends: 469 [2023-04-02 04:23:07,778 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 04:23:07,779 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 188 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-02 04:23:07,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 40 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-02 04:23:07,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2023-04-02 04:23:07,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 402. [2023-04-02 04:23:07,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 258 states have (on average 1.2209302325581395) internal successors, (315), 283 states have internal predecessors, (315), 72 states have call successors, (72), 72 states have call predecessors, (72), 71 states have return successors, (74), 68 states have call predecessors, (74), 68 states have call successors, (74) [2023-04-02 04:23:07,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 461 transitions. [2023-04-02 04:23:07,852 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 461 transitions. Word has length 61 [2023-04-02 04:23:07,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:23:07,853 INFO L495 AbstractCegarLoop]: Abstraction has 402 states and 461 transitions. [2023-04-02 04:23:07,853 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 04:23:07,853 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 461 transitions. [2023-04-02 04:23:07,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-04-02 04:23:07,854 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:23:07,854 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:23:07,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-02 04:23:07,854 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:23:07,855 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:23:07,855 INFO L85 PathProgramCache]: Analyzing trace with hash 32203091, now seen corresponding path program 1 times [2023-04-02 04:23:07,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:23:07,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777359487] [2023-04-02 04:23:07,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:23:07,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:23:07,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:08,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:23:08,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:08,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:23:08,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:08,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:23:08,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:08,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:23:08,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:08,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:23:08,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:08,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 04:23:08,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:08,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 04:23:08,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:08,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-04-02 04:23:08,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:08,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:23:08,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:08,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:23:08,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:08,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-04-02 04:23:08,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:08,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-04-02 04:23:08,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:08,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-04-02 04:23:08,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:08,103 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-04-02 04:23:08,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:23:08,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777359487] [2023-04-02 04:23:08,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777359487] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 04:23:08,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1537889410] [2023-04-02 04:23:08,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:23:08,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:23:08,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:23:08,117 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 04:23:08,155 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 04:23:08,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:23:08,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 15 conjunts are in the unsatisfiable core [2023-04-02 04:23:08,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 04:23:08,435 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-02 04:23:08,436 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 04:23:08,660 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-04-02 04:23:08,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1537889410] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-02 04:23:08,660 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-02 04:23:08,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 8] total 18 [2023-04-02 04:23:08,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080156562] [2023-04-02 04:23:08,661 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-02 04:23:08,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-04-02 04:23:08,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:23:08,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-04-02 04:23:08,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2023-04-02 04:23:08,662 INFO L87 Difference]: Start difference. First operand 402 states and 461 transitions. Second operand has 18 states, 18 states have (on average 5.833333333333333) internal successors, (105), 12 states have internal predecessors, (105), 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 04:23:09,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:23:09,266 INFO L93 Difference]: Finished difference Result 565 states and 675 transitions. [2023-04-02 04:23:09,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-02 04:23:09,267 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 5.833333333333333) internal successors, (105), 12 states have internal predecessors, (105), 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 89 [2023-04-02 04:23:09,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:23:09,267 INFO L225 Difference]: With dead ends: 565 [2023-04-02 04:23:09,267 INFO L226 Difference]: Without dead ends: 0 [2023-04-02 04:23:09,268 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 194 SyntacticMatches, 8 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=175, Invalid=527, Unknown=0, NotChecked=0, Total=702 [2023-04-02 04:23:09,272 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 470 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 895 mSolverCounterSat, 324 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 470 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 1219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 324 IncrementalHoareTripleChecker+Valid, 895 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-02 04:23:09,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [470 Valid, 162 Invalid, 1219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [324 Valid, 895 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-02 04:23:09,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-02 04:23:09,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-02 04:23:09,273 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 04:23:09,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-02 04:23:09,273 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2023-04-02 04:23:09,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:23:09,274 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-02 04:23:09,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.833333333333333) internal successors, (105), 12 states have internal predecessors, (105), 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 04:23:09,274 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-02 04:23:09,274 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-02 04:23:09,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-02 04:23:09,295 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 04:23:09,483 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 04:23:09,485 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-02 04:23:11,937 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-02 04:23:11,938 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 11) no Hoare annotation was computed. [2023-04-02 04:23:11,938 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-02 04:23:11,938 INFO L899 garLoopResultBuilder]: For program point L382(lines 359 383) no Hoare annotation was computed. [2023-04-02 04:23:11,938 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeFINAL(lines 335 390) no Hoare annotation was computed. [2023-04-02 04:23:11,938 INFO L899 garLoopResultBuilder]: For program point L366(lines 366 370) no Hoare annotation was computed. [2023-04-02 04:23:11,938 INFO L899 garLoopResultBuilder]: For program point L366-1(lines 366 370) no Hoare annotation was computed. [2023-04-02 04:23:11,938 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 335 390) no Hoare annotation was computed. [2023-04-02 04:23:11,938 INFO L899 garLoopResultBuilder]: For program point L361(line 361) no Hoare annotation was computed. [2023-04-02 04:23:11,938 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 335 390) no Hoare annotation was computed. [2023-04-02 04:23:11,939 INFO L899 garLoopResultBuilder]: For program point L360-2(lines 360 381) no Hoare annotation was computed. [2023-04-02 04:23:11,939 INFO L899 garLoopResultBuilder]: For program point L417-2(lines 417 442) no Hoare annotation was computed. [2023-04-02 04:23:11,939 INFO L899 garLoopResultBuilder]: For program point L443(lines 416 444) no Hoare annotation was computed. [2023-04-02 04:23:11,939 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 391 450) no Hoare annotation was computed. [2023-04-02 04:23:11,939 INFO L899 garLoopResultBuilder]: For program point L436(line 436) no Hoare annotation was computed. [2023-04-02 04:23:11,940 INFO L899 garLoopResultBuilder]: For program point L436-1(line 436) no Hoare annotation was computed. [2023-04-02 04:23:11,941 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 391 450) no Hoare annotation was computed. [2023-04-02 04:23:11,941 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 391 450) no Hoare annotation was computed. [2023-04-02 04:23:11,941 INFO L899 garLoopResultBuilder]: For program point L423(lines 423 427) no Hoare annotation was computed. [2023-04-02 04:23:11,942 INFO L899 garLoopResultBuilder]: For program point L423-1(lines 423 427) no Hoare annotation was computed. [2023-04-02 04:23:11,942 INFO L899 garLoopResultBuilder]: For program point L418(line 418) no Hoare annotation was computed. [2023-04-02 04:23:11,942 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 78 86) no Hoare annotation was computed. [2023-04-02 04:23:11,942 INFO L899 garLoopResultBuilder]: For program point valid_productFINAL(lines 78 86) no Hoare annotation was computed. [2023-04-02 04:23:11,942 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 78 86) the Hoare annotation is: true [2023-04-02 04:23:11,944 INFO L895 garLoopResultBuilder]: At program point L673(line 673) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1)) [2023-04-02 04:23:11,944 INFO L899 garLoopResultBuilder]: For program point L671(lines 671 677) no Hoare annotation was computed. [2023-04-02 04:23:11,944 INFO L895 garLoopResultBuilder]: At program point L669(line 669) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1)) [2023-04-02 04:23:11,944 INFO L899 garLoopResultBuilder]: For program point L669-1(line 669) no Hoare annotation was computed. [2023-04-02 04:23:11,944 INFO L899 garLoopResultBuilder]: For program point L667(lines 667 680) no Hoare annotation was computed. [2023-04-02 04:23:11,944 INFO L899 garLoopResultBuilder]: For program point L667-1(lines 659 683) no Hoare annotation was computed. [2023-04-02 04:23:11,944 INFO L902 garLoopResultBuilder]: At program point L665(line 665) the Hoare annotation is: true [2023-04-02 04:23:11,944 INFO L899 garLoopResultBuilder]: For program point L665-1(line 665) no Hoare annotation was computed. [2023-04-02 04:23:11,945 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification4_spec__1EXIT(lines 659 683) no Hoare annotation was computed. [2023-04-02 04:23:11,945 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 659 683) the Hoare annotation is: true [2023-04-02 04:23:11,945 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 259 281) no Hoare annotation was computed. [2023-04-02 04:23:11,946 INFO L895 garLoopResultBuilder]: At program point L271(line 271) 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 04:23:11,946 INFO L895 garLoopResultBuilder]: At program point L271-1(line 271) 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 04:23:11,946 INFO L899 garLoopResultBuilder]: For program point L269(lines 269 276) no Hoare annotation was computed. [2023-04-02 04:23:11,946 INFO L899 garLoopResultBuilder]: For program point mainFINAL(lines 259 281) no Hoare annotation was computed. [2023-04-02 04:23:11,946 INFO L899 garLoopResultBuilder]: For program point L269-1(lines 269 276) no Hoare annotation was computed. [2023-04-02 04:23:11,946 INFO L899 garLoopResultBuilder]: For program point L267(line 267) no Hoare annotation was computed. [2023-04-02 04:23:11,946 INFO L895 garLoopResultBuilder]: At program point L266(line 266) 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 04:23:11,947 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 259 281) 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 04:23:11,947 INFO L895 garLoopResultBuilder]: At program point L265(line 265) 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 04:23:11,947 INFO L895 garLoopResultBuilder]: At program point L265-1(line 265) 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 04:23:11,947 INFO L899 garLoopResultBuilder]: For program point L225(line 225) no Hoare annotation was computed. [2023-04-02 04:23:11,947 INFO L899 garLoopResultBuilder]: For program point L224(line 224) no Hoare annotation was computed. [2023-04-02 04:23:11,947 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 217 240) no Hoare annotation was computed. [2023-04-02 04:23:11,947 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2023-04-02 04:23:11,947 INFO L899 garLoopResultBuilder]: For program point L222(line 222) no Hoare annotation was computed. [2023-04-02 04:23:11,947 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 217 240) no Hoare annotation was computed. [2023-04-02 04:23:11,947 INFO L899 garLoopResultBuilder]: For program point L235(line 235) no Hoare annotation was computed. [2023-04-02 04:23:11,947 INFO L899 garLoopResultBuilder]: For program point L234(line 234) no Hoare annotation was computed. [2023-04-02 04:23:11,948 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 217 240) no Hoare annotation was computed. [2023-04-02 04:23:11,948 INFO L899 garLoopResultBuilder]: For program point L233(line 233) no Hoare annotation was computed. [2023-04-02 04:23:11,948 INFO L899 garLoopResultBuilder]: For program point L232(line 232) no Hoare annotation was computed. [2023-04-02 04:23:11,948 INFO L899 garLoopResultBuilder]: For program point L231(line 231) no Hoare annotation was computed. [2023-04-02 04:23:11,948 INFO L899 garLoopResultBuilder]: For program point L230(line 230) no Hoare annotation was computed. [2023-04-02 04:23:11,948 INFO L899 garLoopResultBuilder]: For program point L229(line 229) no Hoare annotation was computed. [2023-04-02 04:23:11,949 INFO L899 garLoopResultBuilder]: For program point L228(line 228) no Hoare annotation was computed. [2023-04-02 04:23:11,949 INFO L899 garLoopResultBuilder]: For program point L227(line 227) no Hoare annotation was computed. [2023-04-02 04:23:11,949 INFO L899 garLoopResultBuilder]: For program point L226(line 226) no Hoare annotation was computed. [2023-04-02 04:23:11,949 INFO L899 garLoopResultBuilder]: For program point stopSystemEXIT(lines 840 854) no Hoare annotation was computed. [2023-04-02 04:23:11,949 INFO L895 garLoopResultBuilder]: At program point L846(line 846) 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 04:23:11,949 INFO L899 garLoopResultBuilder]: For program point L844(lines 844 850) no Hoare annotation was computed. [2023-04-02 04:23:11,949 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 840 854) 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 04:23:11,949 INFO L899 garLoopResultBuilder]: For program point stopSystemFINAL(lines 840 854) no Hoare annotation was computed. [2023-04-02 04:23:11,949 INFO L899 garLoopResultBuilder]: For program point L830(lines 830 834) no Hoare annotation was computed. [2023-04-02 04:23:11,950 INFO L902 garLoopResultBuilder]: At program point L828(line 828) the Hoare annotation is: true [2023-04-02 04:23:11,950 INFO L899 garLoopResultBuilder]: For program point L830-2(lines 830 834) no Hoare annotation was computed. [2023-04-02 04:23:11,950 INFO L899 garLoopResultBuilder]: For program point L828-1(line 828) no Hoare annotation was computed. [2023-04-02 04:23:11,950 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 821 839) the Hoare annotation is: true [2023-04-02 04:23:11,950 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevelEXIT(lines 821 839) no Hoare annotation was computed. [2023-04-02 04:23:11,950 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevelFINAL(lines 821 839) no Hoare annotation was computed. [2023-04-02 04:23:11,950 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 64 70) no Hoare annotation was computed. [2023-04-02 04:23:11,950 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 64 70) the Hoare annotation is: true [2023-04-02 04:23:11,950 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeFINAL(lines 602 647) no Hoare annotation was computed. [2023-04-02 04:23:11,950 INFO L899 garLoopResultBuilder]: For program point L622(lines 622 629) no Hoare annotation was computed. [2023-04-02 04:23:11,951 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 602 647) no Hoare annotation was computed. [2023-04-02 04:23:11,951 INFO L899 garLoopResultBuilder]: For program point L616(lines 616 636) no Hoare annotation was computed. [2023-04-02 04:23:11,951 INFO L899 garLoopResultBuilder]: For program point L616-1(lines 616 636) no Hoare annotation was computed. [2023-04-02 04:23:11,951 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 602 647) no Hoare annotation was computed. [2023-04-02 04:23:11,951 INFO L895 garLoopResultBuilder]: At program point L734(line 734) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (= 0 ~systemActive~0)) [2023-04-02 04:23:11,951 INFO L899 garLoopResultBuilder]: For program point L732(lines 732 740) no Hoare annotation was computed. [2023-04-02 04:23:11,951 INFO L895 garLoopResultBuilder]: At program point L730(line 730) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (= 0 ~systemActive~0)) [2023-04-02 04:23:11,951 INFO L899 garLoopResultBuilder]: For program point L730-1(line 730) no Hoare annotation was computed. [2023-04-02 04:23:11,951 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 745) no Hoare annotation was computed. [2023-04-02 04:23:11,951 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 724 748) no Hoare annotation was computed. [2023-04-02 04:23:11,952 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 724 748) 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 04:23:11,952 INFO L895 garLoopResultBuilder]: At program point L743(line 743) 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 04:23:11,952 INFO L899 garLoopResultBuilder]: For program point L743-1(lines 724 748) no Hoare annotation was computed. [2023-04-02 04:23:11,952 INFO L895 garLoopResultBuilder]: At program point L738(line 738) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (= 0 ~systemActive~0)) [2023-04-02 04:23:11,952 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 716 722) no Hoare annotation was computed. [2023-04-02 04:23:11,952 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 716 722) the Hoare annotation is: true [2023-04-02 04:23:11,952 INFO L895 garLoopResultBuilder]: At program point L896(line 896) 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 04:23:11,952 INFO L899 garLoopResultBuilder]: For program point L894(lines 894 900) no Hoare annotation was computed. [2023-04-02 04:23:11,952 INFO L899 garLoopResultBuilder]: For program point L894-1(lines 894 900) no Hoare annotation was computed. [2023-04-02 04:23:11,952 INFO L895 garLoopResultBuilder]: At program point L921(lines 874 923) 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 04:23:11,952 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 864 931) no Hoare annotation was computed. [2023-04-02 04:23:11,952 INFO L895 garLoopResultBuilder]: At program point L886(line 886) 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 04:23:11,952 INFO L899 garLoopResultBuilder]: For program point L884(lines 884 890) no Hoare annotation was computed. [2023-04-02 04:23:11,952 INFO L899 garLoopResultBuilder]: For program point L884-1(lines 884 890) no Hoare annotation was computed. [2023-04-02 04:23:11,953 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 880) no Hoare annotation was computed. [2023-04-02 04:23:11,953 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 864 931) 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 04:23:11,953 INFO L895 garLoopResultBuilder]: At program point L924(lines 873 925) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-02 04:23:11,953 INFO L895 garLoopResultBuilder]: At program point L914(line 914) 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 04:23:11,953 INFO L899 garLoopResultBuilder]: For program point L912(lines 912 918) no Hoare annotation was computed. [2023-04-02 04:23:11,953 INFO L895 garLoopResultBuilder]: At program point L912-1(lines 904 919) 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 04:23:11,953 INFO L899 garLoopResultBuilder]: For program point L875(lines 874 923) no Hoare annotation was computed. [2023-04-02 04:23:11,953 INFO L895 garLoopResultBuilder]: At program point L906(line 906) 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 04:23:11,953 INFO L899 garLoopResultBuilder]: For program point L904(lines 904 919) no Hoare annotation was computed. [2023-04-02 04:23:11,953 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 864 931) no Hoare annotation was computed. [2023-04-02 04:23:11,953 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDryFINAL(lines 174 182) no Hoare annotation was computed. [2023-04-02 04:23:11,953 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 174 182) the Hoare annotation is: true [2023-04-02 04:23:11,953 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDryEXIT(lines 174 182) no Hoare annotation was computed. [2023-04-02 04:23:11,953 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 142 164) no Hoare annotation was computed. [2023-04-02 04:23:11,954 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 142 164) no Hoare annotation was computed. [2023-04-02 04:23:11,954 INFO L899 garLoopResultBuilder]: For program point L150(lines 150 158) no Hoare annotation was computed. [2023-04-02 04:23:11,954 INFO L899 garLoopResultBuilder]: For program point printEnvironmentFINAL(lines 142 164) no Hoare annotation was computed. [2023-04-02 04:23:11,954 INFO L899 garLoopResultBuilder]: For program point L150-2(lines 150 158) no Hoare annotation was computed. [2023-04-02 04:23:11,954 INFO L899 garLoopResultBuilder]: For program point activatePumpFINAL(lines 749 756) no Hoare annotation was computed. [2023-04-02 04:23:11,954 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 749 756) no Hoare annotation was computed. [2023-04-02 04:23:11,954 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 749 756) no Hoare annotation was computed. [2023-04-02 04:23:11,954 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 165 173) the Hoare annotation is: true [2023-04-02 04:23:11,954 INFO L899 garLoopResultBuilder]: For program point getWaterLevelFINAL(lines 165 173) no Hoare annotation was computed. [2023-04-02 04:23:11,954 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 165 173) no Hoare annotation was computed. [2023-04-02 04:23:11,954 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 133 141) no Hoare annotation was computed. [2023-04-02 04:23:11,954 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 133 141) no Hoare annotation was computed. [2023-04-02 04:23:11,955 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 133 141) no Hoare annotation was computed. [2023-04-02 04:23:11,955 INFO L895 garLoopResultBuilder]: At program point L705(line 705) 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 04:23:11,955 INFO L895 garLoopResultBuilder]: At program point L703(lines 703 709) 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 04:23:11,955 INFO L895 garLoopResultBuilder]: At program point L698(line 698) 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 04:23:11,955 INFO L899 garLoopResultBuilder]: For program point L696(lines 695 714) no Hoare annotation was computed. [2023-04-02 04:23:11,955 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 692 715) no Hoare annotation was computed. [2023-04-02 04:23:11,955 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 692 715) 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 04:23:11,955 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 692 715) no Hoare annotation was computed. [2023-04-02 04:23:11,955 INFO L902 garLoopResultBuilder]: At program point L192(line 192) the Hoare annotation is: true [2023-04-02 04:23:11,955 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 186 215) no Hoare annotation was computed. [2023-04-02 04:23:11,955 INFO L899 garLoopResultBuilder]: For program point L192-1(line 192) no Hoare annotation was computed. [2023-04-02 04:23:11,955 INFO L902 garLoopResultBuilder]: At program point L211(lines 186 215) the Hoare annotation is: true [2023-04-02 04:23:11,955 INFO L899 garLoopResultBuilder]: For program point L207(line 207) no Hoare annotation was computed. [2023-04-02 04:23:11,955 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 186 215) the Hoare annotation is: true [2023-04-02 04:23:11,956 INFO L899 garLoopResultBuilder]: For program point L200(lines 200 204) no Hoare annotation was computed. [2023-04-02 04:23:11,956 INFO L902 garLoopResultBuilder]: At program point L200-1(lines 200 204) the Hoare annotation is: true [2023-04-02 04:23:11,956 INFO L899 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2023-04-02 04:23:11,956 INFO L902 garLoopResultBuilder]: At program point L196-2(lines 196 210) the Hoare annotation is: true [2023-04-02 04:23:11,956 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 97 108) no Hoare annotation was computed. [2023-04-02 04:23:11,956 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 97 108) the Hoare annotation is: true [2023-04-02 04:23:11,956 INFO L899 garLoopResultBuilder]: For program point L101-1(lines 97 108) no Hoare annotation was computed. [2023-04-02 04:23:11,956 INFO L899 garLoopResultBuilder]: For program point startSystemEXIT(lines 855 862) no Hoare annotation was computed. [2023-04-02 04:23:11,957 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 855 862) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (= |old(~systemActive~0)| ~systemActive~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 (< ~waterLevel~0 2) .cse1))) [2023-04-02 04:23:11,957 INFO L899 garLoopResultBuilder]: For program point startSystemFINAL(lines 855 862) no Hoare annotation was computed. [2023-04-02 04:23:11,957 INFO L899 garLoopResultBuilder]: For program point L113-1(lines 109 120) no Hoare annotation was computed. [2023-04-02 04:23:11,957 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 109 120) no Hoare annotation was computed. [2023-04-02 04:23:11,957 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 109 120) 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 04:23:11,957 INFO L899 garLoopResultBuilder]: For program point __automaton_failFINAL(lines 649 656) no Hoare annotation was computed. [2023-04-02 04:23:11,957 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 649 656) the Hoare annotation is: true [2023-04-02 04:23:11,957 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 653) no Hoare annotation was computed. [2023-04-02 04:23:11,957 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 649 656) no Hoare annotation was computed. [2023-04-02 04:23:11,957 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 71 77) the Hoare annotation is: true [2023-04-02 04:23:11,957 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 71 77) no Hoare annotation was computed. [2023-04-02 04:23:11,957 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 776 784) no Hoare annotation was computed. [2023-04-02 04:23:11,958 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 776 784) no Hoare annotation was computed. [2023-04-02 04:23:11,958 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 776 784) the Hoare annotation is: true [2023-04-02 04:23:11,958 INFO L899 garLoopResultBuilder]: For program point L792(lines 792 800) no Hoare annotation was computed. [2023-04-02 04:23:11,958 INFO L899 garLoopResultBuilder]: For program point L792-2(lines 792 800) no Hoare annotation was computed. [2023-04-02 04:23:11,958 INFO L899 garLoopResultBuilder]: For program point L815(line 815) no Hoare annotation was computed. [2023-04-02 04:23:11,958 INFO L899 garLoopResultBuilder]: For program point printPumpFINAL(lines 785 820) no Hoare annotation was computed. [2023-04-02 04:23:11,958 INFO L899 garLoopResultBuilder]: For program point L815-1(line 815) no Hoare annotation was computed. [2023-04-02 04:23:11,958 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 785 820) no Hoare annotation was computed. [2023-04-02 04:23:11,958 INFO L899 garLoopResultBuilder]: For program point L804(lines 804 812) no Hoare annotation was computed. [2023-04-02 04:23:11,958 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 785 820) no Hoare annotation was computed. [2023-04-02 04:23:11,959 INFO L899 garLoopResultBuilder]: For program point L804-2(lines 804 812) no Hoare annotation was computed. [2023-04-02 04:23:11,959 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 289 334) no Hoare annotation was computed. [2023-04-02 04:23:11,959 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 289 334) no Hoare annotation was computed. [2023-04-02 04:23:11,959 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setFINAL(lines 289 334) no Hoare annotation was computed. [2023-04-02 04:23:11,959 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 249 258) no Hoare annotation was computed. [2023-04-02 04:23:11,959 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 249 258) 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 04:23:11,959 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 249 258) no Hoare annotation was computed. [2023-04-02 04:23:11,959 INFO L899 garLoopResultBuilder]: For program point L770-1(line 770) no Hoare annotation was computed. [2023-04-02 04:23:11,959 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 765 775) no Hoare annotation was computed. [2023-04-02 04:23:11,959 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 765 775) no Hoare annotation was computed. [2023-04-02 04:23:11,959 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 765 775) no Hoare annotation was computed. [2023-04-02 04:23:11,959 INFO L899 garLoopResultBuilder]: For program point L770(line 770) no Hoare annotation was computed. [2023-04-02 04:23:11,959 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 757 764) no Hoare annotation was computed. [2023-04-02 04:23:11,959 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 757 764) the Hoare annotation is: true [2023-04-02 04:23:11,959 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 757 764) no Hoare annotation was computed. [2023-04-02 04:23:11,959 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 583) no Hoare annotation was computed. [2023-04-02 04:23:11,960 INFO L899 garLoopResultBuilder]: For program point L570(lines 570 590) no Hoare annotation was computed. [2023-04-02 04:23:11,960 INFO L899 garLoopResultBuilder]: For program point L570-1(lines 570 590) no Hoare annotation was computed. [2023-04-02 04:23:11,960 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 556 601) no Hoare annotation was computed. [2023-04-02 04:23:11,960 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argFINAL(lines 556 601) no Hoare annotation was computed. [2023-04-02 04:23:11,960 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 556 601) no Hoare annotation was computed. [2023-04-02 04:23:11,960 INFO L899 garLoopResultBuilder]: For program point select_oneFINAL(lines 54 63) no Hoare annotation was computed. [2023-04-02 04:23:11,960 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 54 63) no Hoare annotation was computed. [2023-04-02 04:23:11,960 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 54 63) no Hoare annotation was computed. [2023-04-02 04:23:11,960 INFO L899 garLoopResultBuilder]: For program point L477(lines 477 481) no Hoare annotation was computed. [2023-04-02 04:23:11,960 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 552) no Hoare annotation was computed. [2023-04-02 04:23:11,960 INFO L899 garLoopResultBuilder]: For program point L504(lines 504 508) no Hoare annotation was computed. [2023-04-02 04:23:11,960 INFO L899 garLoopResultBuilder]: For program point L502-2(lines 502 522) no Hoare annotation was computed. [2023-04-02 04:23:11,960 INFO L899 garLoopResultBuilder]: For program point L523(lines 501 524) no Hoare annotation was computed. [2023-04-02 04:23:11,961 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 453 555) no Hoare annotation was computed. [2023-04-02 04:23:11,961 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 453 555) no Hoare annotation was computed. [2023-04-02 04:23:11,961 INFO L899 garLoopResultBuilder]: For program point L482(lines 482 498) no Hoare annotation was computed. [2023-04-02 04:23:11,961 INFO L899 garLoopResultBuilder]: For program point L542(lines 542 549) no Hoare annotation was computed. [2023-04-02 04:23:11,961 INFO L899 garLoopResultBuilder]: For program point L503(lines 502 522) no Hoare annotation was computed. [2023-04-02 04:23:11,961 INFO L899 garLoopResultBuilder]: For program point L534(line 534) no Hoare annotation was computed. [2023-04-02 04:23:11,961 INFO L899 garLoopResultBuilder]: For program point L534-1(line 534) no Hoare annotation was computed. [2023-04-02 04:23:11,961 INFO L899 garLoopResultBuilder]: For program point L499(lines 499 540) no Hoare annotation was computed. [2023-04-02 04:23:11,961 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 453 555) no Hoare annotation was computed. [2023-04-02 04:23:11,961 INFO L899 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2023-04-02 04:23:11,961 INFO L899 garLoopResultBuilder]: For program point L518-1(line 518) no Hoare annotation was computed. [2023-04-02 04:23:11,961 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:23:11,961 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 04:23:11,961 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:23:11,962 INFO L899 garLoopResultBuilder]: For program point L125-1(lines 121 132) no Hoare annotation was computed. [2023-04-02 04:23:11,962 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 121 132) 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 04:23:11,962 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 121 132) no Hoare annotation was computed. [2023-04-02 04:23:11,962 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:23:11,962 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:23:11,962 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-02 04:23:11,962 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 241 247) no Hoare annotation was computed. [2023-04-02 04:23:11,962 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 241 247) the Hoare annotation is: true [2023-04-02 04:23:11,962 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:23:11,962 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 04:23:11,962 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:23:11,962 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-02 04:23:11,965 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-04-02 04:23:11,966 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-02 04:23:11,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.04 04:23:11 BoogieIcfgContainer [2023-04-02 04:23:11,980 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-02 04:23:11,982 INFO L158 Benchmark]: Toolchain (without parser) took 9110.11ms. Allocated memory was 217.1MB in the beginning and 464.5MB in the end (delta: 247.5MB). Free memory was 173.9MB in the beginning and 329.0MB in the end (delta: -155.1MB). Peak memory consumption was 255.7MB. Max. memory is 8.0GB. [2023-04-02 04:23:11,982 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 217.1MB. Free memory is still 174.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-02 04:23:11,982 INFO L158 Benchmark]: CACSL2BoogieTranslator took 387.94ms. Allocated memory is still 217.1MB. Free memory was 173.9MB in the beginning and 155.4MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-04-02 04:23:11,983 INFO L158 Benchmark]: Boogie Preprocessor took 53.56ms. Allocated memory is still 217.1MB. Free memory was 155.4MB in the beginning and 152.3MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-02 04:23:11,983 INFO L158 Benchmark]: RCFGBuilder took 656.52ms. Allocated memory is still 217.1MB. Free memory was 151.9MB in the beginning and 175.9MB in the end (delta: -24.0MB). Peak memory consumption was 28.6MB. Max. memory is 8.0GB. [2023-04-02 04:23:11,983 INFO L158 Benchmark]: TraceAbstraction took 8008.14ms. Allocated memory was 217.1MB in the beginning and 464.5MB in the end (delta: 247.5MB). Free memory was 175.4MB in the beginning and 329.0MB in the end (delta: -153.6MB). Peak memory consumption was 256.5MB. Max. memory is 8.0GB. [2023-04-02 04:23:11,985 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 217.1MB. Free memory is still 174.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 387.94ms. Allocated memory is still 217.1MB. Free memory was 173.9MB in the beginning and 155.4MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 53.56ms. Allocated memory is still 217.1MB. Free memory was 155.4MB in the beginning and 152.3MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 656.52ms. Allocated memory is still 217.1MB. Free memory was 151.9MB in the beginning and 175.9MB in the end (delta: -24.0MB). Peak memory consumption was 28.6MB. Max. memory is 8.0GB. * TraceAbstraction took 8008.14ms. Allocated memory was 217.1MB in the beginning and 464.5MB in the end (delta: 247.5MB). Free memory was 175.4MB in the beginning and 329.0MB in the end (delta: -153.6MB). Peak memory consumption was 256.5MB. 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: 653]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 227 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.0s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1590 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1535 mSDsluCounter, 466 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 373 mSDsCounter, 897 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3333 IncrementalHoareTripleChecker+Invalid, 4230 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 897 mSolverCounterUnsat, 93 mSDtfsCounter, 3333 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 364 GetRequests, 283 SyntacticMatches, 8 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=594occurred 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, 284 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 644 PreInvPairs, 712 NumberOfFragments, 837 HoareAnnotationTreeSize, 644 FomulaSimplifications, 30063 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 54 FomulaSimplificationsInter, 5275 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 441 NumberOfCodeBlocks, 441 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 522 ConstructedInterpolants, 0 QuantifiedInterpolants, 1292 SizeOfPredicates, 3 NumberOfNonLiveVariables, 378 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 66/72 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: 873]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1) - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 874]: 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 04:23:12,009 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...