/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_spec5_product35.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 04:25:03,094 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 04:25:03,095 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 04:25:03,113 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 04:25:03,113 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 04:25:03,114 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 04:25:03,115 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 04:25:03,116 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 04:25:03,117 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 04:25:03,117 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 04:25:03,118 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 04:25:03,119 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 04:25:03,119 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 04:25:03,120 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 04:25:03,124 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 04:25:03,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 04:25:03,125 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 04:25:03,126 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 04:25:03,127 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 04:25:03,128 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 04:25:03,129 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 04:25:03,141 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 04:25:03,142 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 04:25:03,143 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 04:25:03,145 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 04:25:03,145 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 04:25:03,145 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 04:25:03,146 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 04:25:03,146 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 04:25:03,148 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 04:25:03,148 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 04:25:03,149 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 04:25:03,150 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 04:25:03,150 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 04:25:03,151 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 04:25:03,151 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 04:25:03,151 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 04:25:03,151 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 04:25:03,152 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 04:25:03,153 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 04:25:03,153 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 04:25:03,154 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 04:25:03,169 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 04:25:03,169 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 04:25:03,170 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 04:25:03,170 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 04:25:03,170 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 04:25:03,170 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 04:25:03,171 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 04:25:03,171 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 04:25:03,171 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 04:25:03,171 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 04:25:03,171 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 04:25:03,171 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 04:25:03,171 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 04:25:03,171 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 04:25:03,171 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 04:25:03,172 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 04:25:03,172 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 04:25:03,172 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 04:25:03,172 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 04:25:03,172 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 04:25:03,172 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 04:25:03,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 04:25:03,172 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 04:25:03,172 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 04:25:03,172 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 04:25:03,172 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 04:25:03,173 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 04:25:03,173 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 04:25:03,173 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 04:25:03,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 04:25:03,173 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 04:25:03,173 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 04:25:03,173 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 04:25:03,173 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 04:25:03,173 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 04:25:03,173 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 04:25:03,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 04:25:03,379 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 04:25:03,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 04:25:03,381 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 04:25:03,381 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 04:25:03,382 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c [2023-04-02 04:25:04,445 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 04:25:04,643 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 04:25:04,644 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c [2023-04-02 04:25:04,657 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7daee8c5b/4fd8d75576964c98b037a11dc40d0644/FLAG693a4a848 [2023-04-02 04:25:04,668 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7daee8c5b/4fd8d75576964c98b037a11dc40d0644 [2023-04-02 04:25:04,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 04:25:04,671 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 04:25:04,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 04:25:04,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 04:25:04,676 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 04:25:04,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 04:25:04" (1/1) ... [2023-04-02 04:25:04,678 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40e58454 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:25:04, skipping insertion in model container [2023-04-02 04:25:04,678 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 04:25:04" (1/1) ... [2023-04-02 04:25:04,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 04:25:04,718 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 04:25:04,823 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_spec5_product35.cil.c[1605,1618] [2023-04-02 04:25:04,918 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 04:25:04,929 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 04:25:04,937 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_spec5_product35.cil.c[1605,1618] [2023-04-02 04:25:04,968 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 04:25:04,980 INFO L208 MainTranslator]: Completed translation [2023-04-02 04:25:04,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:25:04 WrapperNode [2023-04-02 04:25:04,980 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 04:25:04,981 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 04:25:04,981 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 04:25:04,981 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 04:25:04,995 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:25:04" (1/1) ... [2023-04-02 04:25:04,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:25:04" (1/1) ... [2023-04-02 04:25:05,007 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:25:04" (1/1) ... [2023-04-02 04:25:05,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:25:04" (1/1) ... [2023-04-02 04:25:05,028 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:25:04" (1/1) ... [2023-04-02 04:25:05,044 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:25:04" (1/1) ... [2023-04-02 04:25:05,047 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:25:04" (1/1) ... [2023-04-02 04:25:05,048 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:25:04" (1/1) ... [2023-04-02 04:25:05,052 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 04:25:05,052 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 04:25:05,052 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 04:25:05,053 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 04:25:05,053 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:25:04" (1/1) ... [2023-04-02 04:25:05,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 04:25:05,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:25:05,079 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-02 04:25:05,095 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 04:25:05,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 04:25:05,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 04:25:05,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-02 04:25:05,123 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 04:25:05,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-02 04:25:05,123 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-02 04:25:05,123 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-02 04:25:05,123 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-02 04:25:05,123 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-02 04:25:05,123 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 04:25:05,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-02 04:25:05,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-02 04:25:05,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-02 04:25:05,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-02 04:25:05,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-02 04:25:05,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-02 04:25:05,124 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-02 04:25:05,124 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-02 04:25:05,124 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-02 04:25:05,124 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-02 04:25:05,124 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-02 04:25:05,124 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-02 04:25:05,124 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-02 04:25:05,124 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-02 04:25:05,124 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-02 04:25:05,125 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-02 04:25:05,125 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-02 04:25:05,125 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-04-02 04:25:05,125 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-02 04:25:05,125 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-04-02 04:25:05,125 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-02 04:25:05,125 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-02 04:25:05,125 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-02 04:25:05,125 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-02 04:25:05,125 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-02 04:25:05,125 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-02 04:25:05,125 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-04-02 04:25:05,125 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2023-04-02 04:25:05,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2023-04-02 04:25:05,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2023-04-02 04:25:05,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2023-04-02 04:25:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 04:25:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 04:25:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 04:25:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 04:25:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 04:25:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-02 04:25:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-02 04:25:05,127 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-02 04:25:05,127 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-02 04:25:05,127 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-02 04:25:05,127 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-02 04:25:05,127 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-02 04:25:05,127 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-02 04:25:05,127 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-02 04:25:05,127 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2023-04-02 04:25:05,127 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-02 04:25:05,127 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-02 04:25:05,127 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-02 04:25:05,127 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-02 04:25:05,128 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-02 04:25:05,128 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 04:25:05,128 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 04:25:05,128 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 04:25:05,128 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-02 04:25:05,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 04:25:05,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 04:25:05,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 04:25:05,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 04:25:05,128 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-02 04:25:05,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 04:25:05,128 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-02 04:25:05,129 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-02 04:25:05,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 04:25:05,129 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-02 04:25:05,129 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-02 04:25:05,129 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-02 04:25:05,129 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-02 04:25:05,129 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2023-04-02 04:25:05,129 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-02 04:25:05,129 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-02 04:25:05,129 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-02 04:25:05,129 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-02 04:25:05,129 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-04-02 04:25:05,129 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-02 04:25:05,130 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-02 04:25:05,130 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-02 04:25:05,130 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2023-04-02 04:25:05,130 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2023-04-02 04:25:05,130 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-02 04:25:05,130 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-04-02 04:25:05,130 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-04-02 04:25:05,130 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-02 04:25:05,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 04:25:05,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 04:25:05,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 04:25:05,251 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 04:25:05,253 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 04:25:05,730 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 04:25:05,738 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 04:25:05,739 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-02 04:25:05,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 04:25:05 BoogieIcfgContainer [2023-04-02 04:25:05,740 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 04:25:05,741 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 04:25:05,741 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 04:25:05,743 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 04:25:05,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 04:25:04" (1/3) ... [2023-04-02 04:25:05,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38d337cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 04:25:05, skipping insertion in model container [2023-04-02 04:25:05,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:25:04" (2/3) ... [2023-04-02 04:25:05,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38d337cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 04:25:05, skipping insertion in model container [2023-04-02 04:25:05,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 04:25:05" (3/3) ... [2023-04-02 04:25:05,745 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product35.cil.c [2023-04-02 04:25:05,759 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 04:25:05,759 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 04:25:05,794 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 04:25:05,798 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;@433c6691, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 04:25:05,798 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 04:25:05,801 INFO L276 IsEmpty]: Start isEmpty. Operand has 167 states, 91 states have (on average 1.3076923076923077) internal successors, (119), 103 states have internal predecessors, (119), 45 states have call successors, (45), 28 states have call predecessors, (45), 28 states have return successors, (45), 43 states have call predecessors, (45), 45 states have call successors, (45) [2023-04-02 04:25:05,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-04-02 04:25:05,808 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:25:05,809 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:25:05,809 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:25:05,813 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:25:05,813 INFO L85 PathProgramCache]: Analyzing trace with hash 620192489, now seen corresponding path program 1 times [2023-04-02 04:25:05,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:25:05,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721380146] [2023-04-02 04:25:05,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:25:05,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:25:05,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:06,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:25:06,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:06,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:25:06,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:06,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:25:06,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:06,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:25:06,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:06,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:25:06,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:06,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 04:25:06,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:06,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-04-02 04:25:06,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:06,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:25:06,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:06,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-04-02 04:25:06,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:06,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-04-02 04:25:06,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:06,102 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-04-02 04:25:06,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:25:06,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721380146] [2023-04-02 04:25:06,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721380146] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:25:06,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:25:06,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-02 04:25:06,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418658342] [2023-04-02 04:25:06,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:25:06,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-02 04:25:06,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:25:06,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-02 04:25:06,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-04-02 04:25:06,131 INFO L87 Difference]: Start difference. First operand has 167 states, 91 states have (on average 1.3076923076923077) internal successors, (119), 103 states have internal predecessors, (119), 45 states have call successors, (45), 28 states have call predecessors, (45), 28 states have return successors, (45), 43 states have call predecessors, (45), 45 states have call successors, (45) Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 2 states have internal predecessors, (30), 3 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2023-04-02 04:25:06,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:25:06,504 INFO L93 Difference]: Finished difference Result 276 states and 357 transitions. [2023-04-02 04:25:06,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-04-02 04:25:06,506 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 2 states have internal predecessors, (30), 3 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) Word has length 59 [2023-04-02 04:25:06,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:25:06,515 INFO L225 Difference]: With dead ends: 276 [2023-04-02 04:25:06,515 INFO L226 Difference]: Without dead ends: 153 [2023-04-02 04:25:06,521 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-04-02 04:25:06,525 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 157 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-02 04:25:06,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 77 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-02 04:25:06,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2023-04-02 04:25:06,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 124. [2023-04-02 04:25:06,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 72 states have (on average 1.25) internal successors, (90), 81 states have internal predecessors, (90), 30 states have call successors, (30), 26 states have call predecessors, (30), 21 states have return successors, (25), 23 states have call predecessors, (25), 25 states have call successors, (25) [2023-04-02 04:25:06,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 145 transitions. [2023-04-02 04:25:06,590 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 145 transitions. Word has length 59 [2023-04-02 04:25:06,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:25:06,591 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 145 transitions. [2023-04-02 04:25:06,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 2 states have internal predecessors, (30), 3 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2023-04-02 04:25:06,591 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 145 transitions. [2023-04-02 04:25:06,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-04-02 04:25:06,600 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:25:06,601 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:25:06,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 04:25:06,601 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:25:06,601 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:25:06,602 INFO L85 PathProgramCache]: Analyzing trace with hash 2132435609, now seen corresponding path program 1 times [2023-04-02 04:25:06,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:25:06,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466324883] [2023-04-02 04:25:06,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:25:06,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:25:06,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:06,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:25:06,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:06,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:25:06,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:06,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:25:06,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:06,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:25:06,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:06,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:25:06,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:06,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 04:25:06,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:06,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-04-02 04:25:06,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:06,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:25:06,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:06,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-04-02 04:25:06,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:06,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 04:25:06,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:06,770 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-04-02 04:25:06,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:25:06,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466324883] [2023-04-02 04:25:06,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466324883] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:25:06,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:25:06,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-02 04:25:06,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796069933] [2023-04-02 04:25:06,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:25:06,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-02 04:25:06,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:25:06,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-02 04:25:06,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-04-02 04:25:06,776 INFO L87 Difference]: Start difference. First operand 124 states and 145 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2023-04-02 04:25:07,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:25:07,117 INFO L93 Difference]: Finished difference Result 212 states and 259 transitions. [2023-04-02 04:25:07,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-02 04:25:07,117 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) Word has length 60 [2023-04-02 04:25:07,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:25:07,119 INFO L225 Difference]: With dead ends: 212 [2023-04-02 04:25:07,119 INFO L226 Difference]: Without dead ends: 143 [2023-04-02 04:25:07,119 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-04-02 04:25:07,120 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 120 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-02 04:25:07,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 63 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-02 04:25:07,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2023-04-02 04:25:07,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 115. [2023-04-02 04:25:07,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 66 states have (on average 1.2575757575757576) internal successors, (83), 75 states have internal predecessors, (83), 27 states have call successors, (27), 25 states have call predecessors, (27), 21 states have return successors, (23), 21 states have call predecessors, (23), 23 states have call successors, (23) [2023-04-02 04:25:07,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 133 transitions. [2023-04-02 04:25:07,138 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 133 transitions. Word has length 60 [2023-04-02 04:25:07,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:25:07,139 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 133 transitions. [2023-04-02 04:25:07,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2023-04-02 04:25:07,139 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 133 transitions. [2023-04-02 04:25:07,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-04-02 04:25:07,140 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:25:07,140 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:25:07,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 04:25:07,140 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:25:07,141 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:25:07,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1784343252, now seen corresponding path program 1 times [2023-04-02 04:25:07,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:25:07,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391311837] [2023-04-02 04:25:07,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:25:07,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:25:07,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:07,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:25:07,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:07,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:25:07,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:07,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:25:07,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:07,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:25:07,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:07,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:25:07,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:07,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 04:25:07,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:07,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 04:25:07,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:07,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:25:07,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:07,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-02 04:25:07,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:07,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 04:25:07,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:07,313 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-04-02 04:25:07,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:25:07,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391311837] [2023-04-02 04:25:07,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391311837] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:25:07,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:25:07,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-04-02 04:25:07,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583883301] [2023-04-02 04:25:07,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:25:07,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-02 04:25:07,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:25:07,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-02 04:25:07,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-04-02 04:25:07,315 INFO L87 Difference]: Start difference. First operand 115 states and 133 transitions. Second operand has 9 states, 9 states have (on average 4.0) internal successors, (36), 6 states have internal predecessors, (36), 5 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2023-04-02 04:25:07,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:25:07,959 INFO L93 Difference]: Finished difference Result 386 states and 477 transitions. [2023-04-02 04:25:07,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-04-02 04:25:07,960 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 6 states have internal predecessors, (36), 5 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 64 [2023-04-02 04:25:07,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:25:07,962 INFO L225 Difference]: With dead ends: 386 [2023-04-02 04:25:07,962 INFO L226 Difference]: Without dead ends: 299 [2023-04-02 04:25:07,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2023-04-02 04:25:07,964 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 472 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 765 mSolverCounterSat, 230 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 487 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 995 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 230 IncrementalHoareTripleChecker+Valid, 765 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-04-02 04:25:07,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [487 Valid, 135 Invalid, 995 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [230 Valid, 765 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-04-02 04:25:07,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2023-04-02 04:25:08,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 238. [2023-04-02 04:25:08,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 144 states have (on average 1.2986111111111112) internal successors, (187), 160 states have internal predecessors, (187), 51 states have call successors, (51), 46 states have call predecessors, (51), 42 states have return successors, (48), 43 states have call predecessors, (48), 47 states have call successors, (48) [2023-04-02 04:25:08,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 286 transitions. [2023-04-02 04:25:08,019 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 286 transitions. Word has length 64 [2023-04-02 04:25:08,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:25:08,019 INFO L495 AbstractCegarLoop]: Abstraction has 238 states and 286 transitions. [2023-04-02 04:25:08,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 6 states have internal predecessors, (36), 5 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2023-04-02 04:25:08,020 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 286 transitions. [2023-04-02 04:25:08,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-04-02 04:25:08,021 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:25:08,021 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:25:08,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 04:25:08,021 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:25:08,021 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:25:08,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1205990315, now seen corresponding path program 1 times [2023-04-02 04:25:08,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:25:08,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812274093] [2023-04-02 04:25:08,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:25:08,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:25:08,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:08,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:25:08,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:08,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:25:08,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:08,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:25:08,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:08,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:25:08,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:08,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:25:08,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:08,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 04:25:08,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:08,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 04:25:08,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:08,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-04-02 04:25:08,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:08,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:25:08,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:08,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 04:25:08,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:08,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-04-02 04:25:08,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:08,186 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-02 04:25:08,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:25:08,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812274093] [2023-04-02 04:25:08,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812274093] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:25:08,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:25:08,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-04-02 04:25:08,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199356770] [2023-04-02 04:25:08,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:25:08,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-02 04:25:08,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:25:08,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-02 04:25:08,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-04-02 04:25:08,188 INFO L87 Difference]: Start difference. First operand 238 states and 286 transitions. Second operand has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 5 states have internal predecessors, (42), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-04-02 04:25:08,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:25:08,817 INFO L93 Difference]: Finished difference Result 615 states and 794 transitions. [2023-04-02 04:25:08,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-02 04:25:08,817 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 5 states have internal predecessors, (42), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 70 [2023-04-02 04:25:08,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:25:08,820 INFO L225 Difference]: With dead ends: 615 [2023-04-02 04:25:08,820 INFO L226 Difference]: Without dead ends: 405 [2023-04-02 04:25:08,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2023-04-02 04:25:08,822 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 286 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 703 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 703 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-02 04:25:08,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [294 Valid, 84 Invalid, 870 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 703 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-02 04:25:08,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2023-04-02 04:25:08,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 345. [2023-04-02 04:25:08,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 210 states have (on average 1.2523809523809524) internal successors, (263), 225 states have internal predecessors, (263), 71 states have call successors, (71), 64 states have call predecessors, (71), 63 states have return successors, (81), 68 states have call predecessors, (81), 67 states have call successors, (81) [2023-04-02 04:25:08,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 415 transitions. [2023-04-02 04:25:08,859 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 415 transitions. Word has length 70 [2023-04-02 04:25:08,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:25:08,859 INFO L495 AbstractCegarLoop]: Abstraction has 345 states and 415 transitions. [2023-04-02 04:25:08,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 5 states have internal predecessors, (42), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-04-02 04:25:08,860 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 415 transitions. [2023-04-02 04:25:08,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-04-02 04:25:08,861 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:25:08,861 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:25:08,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-02 04:25:08,861 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:25:08,861 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:25:08,861 INFO L85 PathProgramCache]: Analyzing trace with hash -1460706331, now seen corresponding path program 1 times [2023-04-02 04:25:08,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:25:08,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548075527] [2023-04-02 04:25:08,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:25:08,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:25:08,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:08,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:25:08,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:08,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:25:08,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:08,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:25:08,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:08,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:25:08,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:08,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:25:08,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:08,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 04:25:08,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:08,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 04:25:08,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:08,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:25:08,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:08,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-04-02 04:25:08,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:09,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:25:09,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:09,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:25:09,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:09,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 04:25:09,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:09,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-04-02 04:25:09,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:09,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-04-02 04:25:09,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:09,037 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-04-02 04:25:09,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:25:09,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548075527] [2023-04-02 04:25:09,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548075527] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:25:09,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:25:09,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-04-02 04:25:09,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600158312] [2023-04-02 04:25:09,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:25:09,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-02 04:25:09,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:25:09,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-02 04:25:09,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-04-02 04:25:09,039 INFO L87 Difference]: Start difference. First operand 345 states and 415 transitions. Second operand has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 6 states have internal predecessors, (51), 3 states have call successors, (20), 5 states have call predecessors, (20), 4 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) [2023-04-02 04:25:09,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:25:09,671 INFO L93 Difference]: Finished difference Result 752 states and 975 transitions. [2023-04-02 04:25:09,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-02 04:25:09,671 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 6 states have internal predecessors, (51), 3 states have call successors, (20), 5 states have call predecessors, (20), 4 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) Word has length 87 [2023-04-02 04:25:09,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:25:09,673 INFO L225 Difference]: With dead ends: 752 [2023-04-02 04:25:09,673 INFO L226 Difference]: Without dead ends: 435 [2023-04-02 04:25:09,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2023-04-02 04:25:09,675 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 265 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 935 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 1088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 935 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-02 04:25:09,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 118 Invalid, 1088 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [153 Valid, 935 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-02 04:25:09,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2023-04-02 04:25:09,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 356. [2023-04-02 04:25:09,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 218 states have (on average 1.2431192660550459) internal successors, (271), 233 states have internal predecessors, (271), 71 states have call successors, (71), 64 states have call predecessors, (71), 66 states have return successors, (84), 70 states have call predecessors, (84), 67 states have call successors, (84) [2023-04-02 04:25:09,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 426 transitions. [2023-04-02 04:25:09,709 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 426 transitions. Word has length 87 [2023-04-02 04:25:09,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:25:09,709 INFO L495 AbstractCegarLoop]: Abstraction has 356 states and 426 transitions. [2023-04-02 04:25:09,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 6 states have internal predecessors, (51), 3 states have call successors, (20), 5 states have call predecessors, (20), 4 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) [2023-04-02 04:25:09,710 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 426 transitions. [2023-04-02 04:25:09,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-04-02 04:25:09,710 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:25:09,711 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:25:09,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-02 04:25:09,711 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:25:09,711 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:25:09,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1448057571, now seen corresponding path program 1 times [2023-04-02 04:25:09,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:25:09,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521571830] [2023-04-02 04:25:09,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:25:09,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:25:09,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:09,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:25:09,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:09,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:25:09,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:09,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:25:09,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:09,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:25:09,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:09,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:25:09,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:09,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 04:25:09,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:09,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 04:25:09,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:09,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:25:09,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:09,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-04-02 04:25:09,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:09,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:25:09,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:09,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:25:09,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:09,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 04:25:09,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:09,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-04-02 04:25:09,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:09,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-04-02 04:25:09,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:09,822 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-04-02 04:25:09,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:25:09,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521571830] [2023-04-02 04:25:09,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521571830] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:25:09,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:25:09,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-04-02 04:25:09,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305200312] [2023-04-02 04:25:09,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:25:09,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-02 04:25:09,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:25:09,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-02 04:25:09,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-04-02 04:25:09,823 INFO L87 Difference]: Start difference. First operand 356 states and 426 transitions. Second operand has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 5 states have internal predecessors, (51), 3 states have call successors, (20), 5 states have call predecessors, (20), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-04-02 04:25:10,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:25:10,344 INFO L93 Difference]: Finished difference Result 767 states and 973 transitions. [2023-04-02 04:25:10,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-02 04:25:10,344 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 5 states have internal predecessors, (51), 3 states have call successors, (20), 5 states have call predecessors, (20), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 87 [2023-04-02 04:25:10,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:25:10,346 INFO L225 Difference]: With dead ends: 767 [2023-04-02 04:25:10,346 INFO L226 Difference]: Without dead ends: 439 [2023-04-02 04:25:10,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2023-04-02 04:25:10,348 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 200 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 695 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-02 04:25:10,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 94 Invalid, 798 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 695 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-02 04:25:10,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2023-04-02 04:25:10,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 366. [2023-04-02 04:25:10,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 226 states have (on average 1.2345132743362832) internal successors, (279), 241 states have internal predecessors, (279), 71 states have call successors, (71), 64 states have call predecessors, (71), 68 states have return successors, (86), 72 states have call predecessors, (86), 67 states have call successors, (86) [2023-04-02 04:25:10,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 436 transitions. [2023-04-02 04:25:10,375 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 436 transitions. Word has length 87 [2023-04-02 04:25:10,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:25:10,375 INFO L495 AbstractCegarLoop]: Abstraction has 366 states and 436 transitions. [2023-04-02 04:25:10,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 5 states have internal predecessors, (51), 3 states have call successors, (20), 5 states have call predecessors, (20), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-04-02 04:25:10,375 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 436 transitions. [2023-04-02 04:25:10,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-04-02 04:25:10,376 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:25:10,376 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:25:10,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-02 04:25:10,376 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:25:10,377 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:25:10,377 INFO L85 PathProgramCache]: Analyzing trace with hash 650584038, now seen corresponding path program 1 times [2023-04-02 04:25:10,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:25:10,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927964861] [2023-04-02 04:25:10,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:25:10,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:25:10,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:10,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:25:10,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:10,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:25:10,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:10,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:25:10,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:10,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:25:10,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:10,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:25:10,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:10,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 04:25:10,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:10,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 04:25:10,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:10,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:25:10,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:10,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-04-02 04:25:10,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:10,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:25:10,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:10,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:25:10,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:10,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 04:25:10,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:10,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-04-02 04:25:10,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:10,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-04-02 04:25:10,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:10,498 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-04-02 04:25:10,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:25:10,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927964861] [2023-04-02 04:25:10,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927964861] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:25:10,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:25:10,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-02 04:25:10,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764402849] [2023-04-02 04:25:10,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:25:10,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-02 04:25:10,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:25:10,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-02 04:25:10,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-04-02 04:25:10,500 INFO L87 Difference]: Start difference. First operand 366 states and 436 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 4 states have internal predecessors, (51), 5 states have call successors, (20), 6 states have call predecessors, (20), 3 states have return successors, (14), 4 states have call predecessors, (14), 5 states have call successors, (14) [2023-04-02 04:25:11,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:25:11,049 INFO L93 Difference]: Finished difference Result 1217 states and 1577 transitions. [2023-04-02 04:25:11,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-04-02 04:25:11,050 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 4 states have internal predecessors, (51), 5 states have call successors, (20), 6 states have call predecessors, (20), 3 states have return successors, (14), 4 states have call predecessors, (14), 5 states have call successors, (14) Word has length 87 [2023-04-02 04:25:11,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:25:11,053 INFO L225 Difference]: With dead ends: 1217 [2023-04-02 04:25:11,053 INFO L226 Difference]: Without dead ends: 879 [2023-04-02 04:25:11,054 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 36 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2023-04-02 04:25:11,055 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 511 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 289 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 524 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 289 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-02 04:25:11,055 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [524 Valid, 108 Invalid, 772 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [289 Valid, 483 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-02 04:25:11,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states. [2023-04-02 04:25:11,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 811. [2023-04-02 04:25:11,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 811 states, 513 states have (on average 1.2144249512670566) internal successors, (623), 547 states have internal predecessors, (623), 155 states have call successors, (155), 142 states have call predecessors, (155), 142 states have return successors, (204), 148 states have call predecessors, (204), 151 states have call successors, (204) [2023-04-02 04:25:11,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 982 transitions. [2023-04-02 04:25:11,138 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 982 transitions. Word has length 87 [2023-04-02 04:25:11,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:25:11,138 INFO L495 AbstractCegarLoop]: Abstraction has 811 states and 982 transitions. [2023-04-02 04:25:11,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 4 states have internal predecessors, (51), 5 states have call successors, (20), 6 states have call predecessors, (20), 3 states have return successors, (14), 4 states have call predecessors, (14), 5 states have call successors, (14) [2023-04-02 04:25:11,138 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 982 transitions. [2023-04-02 04:25:11,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-04-02 04:25:11,139 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:25:11,139 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:25:11,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-02 04:25:11,140 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:25:11,140 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:25:11,140 INFO L85 PathProgramCache]: Analyzing trace with hash -288081012, now seen corresponding path program 1 times [2023-04-02 04:25:11,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:25:11,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945233076] [2023-04-02 04:25:11,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:25:11,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:25:11,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:11,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:25:11,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:11,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:25:11,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:11,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:25:11,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:11,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:25:11,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:11,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:25:11,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:11,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 04:25:11,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:11,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-04-02 04:25:11,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:11,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 04:25:11,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:11,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:25:11,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:11,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 04:25:11,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:11,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:25:11,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:11,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:25:11,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:11,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 04:25:11,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:11,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-04-02 04:25:11,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:11,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-04-02 04:25:11,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:11,372 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-04-02 04:25:11,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:25:11,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945233076] [2023-04-02 04:25:11,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945233076] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:25:11,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:25:11,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-02 04:25:11,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782584308] [2023-04-02 04:25:11,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:25:11,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 04:25:11,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:25:11,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 04:25:11,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-04-02 04:25:11,374 INFO L87 Difference]: Start difference. First operand 811 states and 982 transitions. Second operand has 13 states, 13 states have (on average 4.076923076923077) internal successors, (53), 8 states have internal predecessors, (53), 6 states have call successors, (21), 8 states have call predecessors, (21), 5 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2023-04-02 04:25:12,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:25:12,901 INFO L93 Difference]: Finished difference Result 2350 states and 3073 transitions. [2023-04-02 04:25:12,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-04-02 04:25:12,901 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.076923076923077) internal successors, (53), 8 states have internal predecessors, (53), 6 states have call successors, (21), 8 states have call predecessors, (21), 5 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) Word has length 91 [2023-04-02 04:25:12,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:25:12,909 INFO L225 Difference]: With dead ends: 2350 [2023-04-02 04:25:12,909 INFO L226 Difference]: Without dead ends: 1745 [2023-04-02 04:25:12,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 629 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=431, Invalid=1731, Unknown=0, NotChecked=0, Total=2162 [2023-04-02 04:25:12,913 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 935 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 1424 mSolverCounterSat, 563 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 955 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 1987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 563 IncrementalHoareTripleChecker+Valid, 1424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-04-02 04:25:12,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [955 Valid, 287 Invalid, 1987 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [563 Valid, 1424 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-04-02 04:25:12,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1745 states. [2023-04-02 04:25:13,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1745 to 1410. [2023-04-02 04:25:13,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1410 states, 887 states have (on average 1.2063134160090192) internal successors, (1070), 942 states have internal predecessors, (1070), 269 states have call successors, (269), 239 states have call predecessors, (269), 253 states have return successors, (363), 272 states have call predecessors, (363), 265 states have call successors, (363) [2023-04-02 04:25:13,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1410 states to 1410 states and 1702 transitions. [2023-04-02 04:25:13,035 INFO L78 Accepts]: Start accepts. Automaton has 1410 states and 1702 transitions. Word has length 91 [2023-04-02 04:25:13,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:25:13,035 INFO L495 AbstractCegarLoop]: Abstraction has 1410 states and 1702 transitions. [2023-04-02 04:25:13,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.076923076923077) internal successors, (53), 8 states have internal predecessors, (53), 6 states have call successors, (21), 8 states have call predecessors, (21), 5 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2023-04-02 04:25:13,036 INFO L276 IsEmpty]: Start isEmpty. Operand 1410 states and 1702 transitions. [2023-04-02 04:25:13,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-04-02 04:25:13,039 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:25:13,039 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:25:13,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-02 04:25:13,040 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:25:13,040 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:25:13,040 INFO L85 PathProgramCache]: Analyzing trace with hash 574913215, now seen corresponding path program 1 times [2023-04-02 04:25:13,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:25:13,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089925115] [2023-04-02 04:25:13,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:25:13,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:25:13,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:13,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:25:13,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:13,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:25:13,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:13,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:25:13,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:13,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:25:13,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:13,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:25:13,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:13,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 04:25:13,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:13,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-04-02 04:25:13,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:13,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-04-02 04:25:13,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:13,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:25:13,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:13,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:25:13,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:13,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:25:13,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:13,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:25:13,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:13,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:25:13,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:13,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 04:25:13,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:13,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-04-02 04:25:13,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:13,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:25:13,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:13,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-04-02 04:25:13,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:13,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:25:13,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:13,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-04-02 04:25:13,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:13,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-04-02 04:25:13,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:13,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:25:13,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:13,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-04-02 04:25:13,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:13,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-04-02 04:25:13,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:13,310 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-04-02 04:25:13,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:25:13,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089925115] [2023-04-02 04:25:13,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089925115] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 04:25:13,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [194384813] [2023-04-02 04:25:13,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:25:13,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:25:13,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:25:13,313 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 04:25:13,315 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 04:25:13,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:13,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 8 conjunts are in the unsatisfiable core [2023-04-02 04:25:13,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 04:25:13,665 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 25 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:25:13,665 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 04:25:13,927 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 22 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-04-02 04:25:13,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [194384813] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-02 04:25:13,927 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-02 04:25:13,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7, 7] total 23 [2023-04-02 04:25:13,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993505046] [2023-04-02 04:25:13,927 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-02 04:25:13,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-04-02 04:25:13,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:25:13,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-04-02 04:25:13,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=437, Unknown=0, NotChecked=0, Total=506 [2023-04-02 04:25:13,930 INFO L87 Difference]: Start difference. First operand 1410 states and 1702 transitions. Second operand has 23 states, 22 states have (on average 5.7727272727272725) internal successors, (127), 14 states have internal predecessors, (127), 8 states have call successors, (52), 11 states have call predecessors, (52), 10 states have return successors, (42), 9 states have call predecessors, (42), 7 states have call successors, (42) [2023-04-02 04:25:16,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:25:16,314 INFO L93 Difference]: Finished difference Result 2596 states and 3235 transitions. [2023-04-02 04:25:16,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-04-02 04:25:16,315 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 5.7727272727272725) internal successors, (127), 14 states have internal predecessors, (127), 8 states have call successors, (52), 11 states have call predecessors, (52), 10 states have return successors, (42), 9 states have call predecessors, (42), 7 states have call successors, (42) Word has length 134 [2023-04-02 04:25:16,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:25:16,320 INFO L225 Difference]: With dead ends: 2596 [2023-04-02 04:25:16,320 INFO L226 Difference]: Without dead ends: 1380 [2023-04-02 04:25:16,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 390 GetRequests, 315 SyntacticMatches, 3 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1472 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=973, Invalid=4429, Unknown=0, NotChecked=0, Total=5402 [2023-04-02 04:25:16,324 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 723 mSDsluCounter, 683 mSDsCounter, 0 mSdLazyCounter, 2573 mSolverCounterSat, 468 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 728 SdHoareTripleChecker+Valid, 763 SdHoareTripleChecker+Invalid, 3041 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 468 IncrementalHoareTripleChecker+Valid, 2573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-04-02 04:25:16,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [728 Valid, 763 Invalid, 3041 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [468 Valid, 2573 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-04-02 04:25:16,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1380 states. [2023-04-02 04:25:16,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1380 to 1235. [2023-04-02 04:25:16,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1235 states, 773 states have (on average 1.1901681759379044) internal successors, (920), 830 states have internal predecessors, (920), 241 states have call successors, (241), 223 states have call predecessors, (241), 220 states have return successors, (283), 221 states have call predecessors, (283), 237 states have call successors, (283) [2023-04-02 04:25:16,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1235 states to 1235 states and 1444 transitions. [2023-04-02 04:25:16,460 INFO L78 Accepts]: Start accepts. Automaton has 1235 states and 1444 transitions. Word has length 134 [2023-04-02 04:25:16,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:25:16,460 INFO L495 AbstractCegarLoop]: Abstraction has 1235 states and 1444 transitions. [2023-04-02 04:25:16,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 5.7727272727272725) internal successors, (127), 14 states have internal predecessors, (127), 8 states have call successors, (52), 11 states have call predecessors, (52), 10 states have return successors, (42), 9 states have call predecessors, (42), 7 states have call successors, (42) [2023-04-02 04:25:16,461 INFO L276 IsEmpty]: Start isEmpty. Operand 1235 states and 1444 transitions. [2023-04-02 04:25:16,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2023-04-02 04:25:16,464 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:25:16,464 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:25:16,473 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 04:25:16,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:25:16,671 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:25:16,671 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:25:16,672 INFO L85 PathProgramCache]: Analyzing trace with hash 454280380, now seen corresponding path program 1 times [2023-04-02 04:25:16,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:25:16,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288448489] [2023-04-02 04:25:16,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:25:16,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:25:16,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:16,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:25:16,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:16,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:25:16,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:16,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:25:16,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:16,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:25:16,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:16,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:25:16,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:16,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 04:25:16,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:16,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-04-02 04:25:16,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:16,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-04-02 04:25:16,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:16,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:25:16,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:16,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:25:16,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:16,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:25:16,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:16,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:25:16,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:16,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:25:16,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:16,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 04:25:16,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:16,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-04-02 04:25:16,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:16,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:25:16,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:16,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-04-02 04:25:16,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:16,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:25:16,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:16,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:25:16,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:16,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:25:16,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:16,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 04:25:16,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:16,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:25:16,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:16,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 04:25:16,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:17,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:25:17,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:17,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-04-02 04:25:17,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:17,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:25:17,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:17,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:25:17,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:17,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:25:17,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:17,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 04:25:17,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:17,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:25:17,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:17,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 04:25:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:17,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:25:17,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:17,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-04-02 04:25:17,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:17,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-04-02 04:25:17,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:17,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:25:17,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:17,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-04-02 04:25:17,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:17,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:25:17,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:17,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-04-02 04:25:17,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:17,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:25:17,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:17,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:25:17,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:17,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 04:25:17,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:17,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-04-02 04:25:17,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:17,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-04-02 04:25:17,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:17,068 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 77 proven. 31 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2023-04-02 04:25:17,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:25:17,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288448489] [2023-04-02 04:25:17,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288448489] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 04:25:17,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [380781324] [2023-04-02 04:25:17,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:25:17,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:25:17,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:25:17,070 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 04:25:17,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-02 04:25:17,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:25:17,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 772 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 04:25:17,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 04:25:17,256 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2023-04-02 04:25:17,256 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 04:25:17,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [380781324] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:25:17,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 04:25:17,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [16] total 17 [2023-04-02 04:25:17,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896901335] [2023-04-02 04:25:17,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:25:17,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 04:25:17,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:25:17,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 04:25:17,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2023-04-02 04:25:17,258 INFO L87 Difference]: Start difference. First operand 1235 states and 1444 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2023-04-02 04:25:17,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:25:17,318 INFO L93 Difference]: Finished difference Result 1528 states and 1804 transitions. [2023-04-02 04:25:17,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 04:25:17,319 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 245 [2023-04-02 04:25:17,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:25:17,320 INFO L225 Difference]: With dead ends: 1528 [2023-04-02 04:25:17,320 INFO L226 Difference]: Without dead ends: 0 [2023-04-02 04:25:17,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 327 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2023-04-02 04:25:17,324 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 43 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 04:25:17,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 292 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 04:25:17,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-02 04:25:17,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-02 04:25:17,325 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 04:25:17,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-02 04:25:17,325 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 245 [2023-04-02 04:25:17,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:25:17,325 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-02 04:25:17,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2023-04-02 04:25:17,326 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-02 04:25:17,326 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-02 04:25:17,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-02 04:25:17,335 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-04-02 04:25:17,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-04-02 04:25:17,536 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-02 04:25:28,221 WARN L223 SmtUtils]: Spent 10.55s on a formula simplification. DAG size of input: 123 DAG size of output: 178 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-04-02 04:25:45,967 WARN L223 SmtUtils]: Spent 17.41s on a formula simplification. DAG size of input: 151 DAG size of output: 215 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-04-02 04:26:22,576 WARN L223 SmtUtils]: Spent 36.60s on a formula simplification. DAG size of input: 116 DAG size of output: 246 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-04-02 04:26:29,505 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-02 04:26:29,505 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 11) no Hoare annotation was computed. [2023-04-02 04:26:29,505 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-02 04:26:29,505 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 252) no Hoare annotation was computed. [2023-04-02 04:26:29,505 INFO L899 garLoopResultBuilder]: For program point L248-1(lines 248 252) no Hoare annotation was computed. [2023-04-02 04:26:29,505 INFO L899 garLoopResultBuilder]: For program point L243(line 243) no Hoare annotation was computed. [2023-04-02 04:26:29,505 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeFINAL(lines 217 272) no Hoare annotation was computed. [2023-04-02 04:26:29,506 INFO L899 garLoopResultBuilder]: For program point L242-2(lines 242 263) no Hoare annotation was computed. [2023-04-02 04:26:29,506 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 217 272) no Hoare annotation was computed. [2023-04-02 04:26:29,506 INFO L899 garLoopResultBuilder]: For program point L264(lines 241 265) no Hoare annotation was computed. [2023-04-02 04:26:29,506 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 217 272) no Hoare annotation was computed. [2023-04-02 04:26:29,506 INFO L899 garLoopResultBuilder]: For program point L318(line 318) no Hoare annotation was computed. [2023-04-02 04:26:29,506 INFO L899 garLoopResultBuilder]: For program point L318-1(line 318) no Hoare annotation was computed. [2023-04-02 04:26:29,506 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 273 332) no Hoare annotation was computed. [2023-04-02 04:26:29,506 INFO L899 garLoopResultBuilder]: For program point L305(lines 305 309) no Hoare annotation was computed. [2023-04-02 04:26:29,506 INFO L899 garLoopResultBuilder]: For program point L305-1(lines 305 309) no Hoare annotation was computed. [2023-04-02 04:26:29,506 INFO L899 garLoopResultBuilder]: For program point L300(line 300) no Hoare annotation was computed. [2023-04-02 04:26:29,506 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 273 332) no Hoare annotation was computed. [2023-04-02 04:26:29,506 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 273 332) no Hoare annotation was computed. [2023-04-02 04:26:29,506 INFO L899 garLoopResultBuilder]: For program point L299-2(lines 299 324) no Hoare annotation was computed. [2023-04-02 04:26:29,506 INFO L899 garLoopResultBuilder]: For program point L325(lines 298 326) no Hoare annotation was computed. [2023-04-02 04:26:29,506 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 556 564) no Hoare annotation was computed. [2023-04-02 04:26:29,506 INFO L899 garLoopResultBuilder]: For program point valid_productFINAL(lines 556 564) no Hoare annotation was computed. [2023-04-02 04:26:29,506 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 556 564) the Hoare annotation is: true [2023-04-02 04:26:29,507 INFO L895 garLoopResultBuilder]: At program point L153(line 153) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= main_~tmp~0 1) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-02 04:26:29,507 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 141 163) no Hoare annotation was computed. [2023-04-02 04:26:29,507 INFO L895 garLoopResultBuilder]: At program point L153-1(line 153) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= main_~tmp~0 1) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-02 04:26:29,507 INFO L899 garLoopResultBuilder]: For program point L151(lines 151 158) no Hoare annotation was computed. [2023-04-02 04:26:29,507 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 151 158) no Hoare annotation was computed. [2023-04-02 04:26:29,507 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2023-04-02 04:26:29,507 INFO L895 garLoopResultBuilder]: At program point L148(line 148) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-02 04:26:29,507 INFO L895 garLoopResultBuilder]: At program point L147(line 147) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-02 04:26:29,507 INFO L895 garLoopResultBuilder]: At program point L147-1(line 147) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-02 04:26:29,507 INFO L899 garLoopResultBuilder]: For program point mainFINAL(lines 141 163) no Hoare annotation was computed. [2023-04-02 04:26:29,507 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 141 163) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-02 04:26:29,507 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 94 117) no Hoare annotation was computed. [2023-04-02 04:26:29,507 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 94 117) no Hoare annotation was computed. [2023-04-02 04:26:29,508 INFO L899 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2023-04-02 04:26:29,508 INFO L899 garLoopResultBuilder]: For program point L111(line 111) no Hoare annotation was computed. [2023-04-02 04:26:29,508 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2023-04-02 04:26:29,508 INFO L899 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2023-04-02 04:26:29,508 INFO L899 garLoopResultBuilder]: For program point L108(line 108) no Hoare annotation was computed. [2023-04-02 04:26:29,508 INFO L899 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2023-04-02 04:26:29,508 INFO L899 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2023-04-02 04:26:29,508 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 94 117) no Hoare annotation was computed. [2023-04-02 04:26:29,508 INFO L899 garLoopResultBuilder]: For program point L105(line 105) no Hoare annotation was computed. [2023-04-02 04:26:29,508 INFO L899 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2023-04-02 04:26:29,508 INFO L899 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2023-04-02 04:26:29,508 INFO L899 garLoopResultBuilder]: For program point L102(line 102) no Hoare annotation was computed. [2023-04-02 04:26:29,508 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2023-04-02 04:26:29,508 INFO L899 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2023-04-02 04:26:29,508 INFO L899 garLoopResultBuilder]: For program point L99(line 99) no Hoare annotation was computed. [2023-04-02 04:26:29,508 INFO L899 garLoopResultBuilder]: For program point stopSystemEXIT(lines 892 906) no Hoare annotation was computed. [2023-04-02 04:26:29,508 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 902) no Hoare annotation was computed. [2023-04-02 04:26:29,508 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 892 906) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0)) (.cse7 (= |old(~systemActive~0)| ~systemActive~0))) (let ((.cse1 (< ~waterLevel~0 2)) (.cse3 (< 2 ~waterLevel~0)) (.cse0 (< |old(~pumpRunning~0)| 1)) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse7)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (and .cse6 .cse7))) (and (or .cse0 .cse1 .cse2 (= ~switchedOnBeforeTS~0 0)) (or .cse3 .cse4 .cse5 .cse1) (or (not (= |old(~systemActive~0)| 0)) .cse4 (and .cse6 (= 0 ~systemActive~0))) (or .cse3 (<= ~waterLevel~0 1) .cse0 .cse2) (or (< ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|) .cse0 .cse2) (or (not (= ~waterLevel~0 1)) .cse4 .cse5)))) [2023-04-02 04:26:29,509 INFO L899 garLoopResultBuilder]: For program point stopSystemFINAL(lines 892 906) no Hoare annotation was computed. [2023-04-02 04:26:29,509 INFO L895 garLoopResultBuilder]: At program point L898(line 898) the Hoare annotation is: (let ((.cse1 (< ~waterLevel~0 2)) (.cse3 (< 2 ~waterLevel~0)) (.cse0 (< |old(~pumpRunning~0)| 1)) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~systemActive~0)| ~systemActive~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (= ~switchedOnBeforeTS~0 0)) (or .cse3 .cse4 .cse1) (or (not (= |old(~systemActive~0)| 0)) .cse4) (or .cse3 (<= ~waterLevel~0 1) .cse0 .cse2) (or (< ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|) .cse0 .cse2) (or (not (= ~waterLevel~0 1)) .cse4))) [2023-04-02 04:26:29,509 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 542 548) no Hoare annotation was computed. [2023-04-02 04:26:29,509 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 542 548) the Hoare annotation is: true [2023-04-02 04:26:29,509 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeFINAL(lines 484 529) no Hoare annotation was computed. [2023-04-02 04:26:29,509 INFO L899 garLoopResultBuilder]: For program point L504(lines 504 511) no Hoare annotation was computed. [2023-04-02 04:26:29,509 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 518) no Hoare annotation was computed. [2023-04-02 04:26:29,509 INFO L899 garLoopResultBuilder]: For program point L498-1(lines 498 518) no Hoare annotation was computed. [2023-04-02 04:26:29,509 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 484 529) no Hoare annotation was computed. [2023-04-02 04:26:29,509 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 484 529) no Hoare annotation was computed. [2023-04-02 04:26:29,509 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 718 731) the Hoare annotation is: true [2023-04-02 04:26:29,509 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryEXIT(lines 718 731) no Hoare annotation was computed. [2023-04-02 04:26:29,509 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 728) no Hoare annotation was computed. [2023-04-02 04:26:29,509 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryFINAL(lines 718 731) no Hoare annotation was computed. [2023-04-02 04:26:29,509 INFO L895 garLoopResultBuilder]: At program point L795(line 795) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 (< ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|) (< |old(~pumpRunning~0)| 1)) (or (< 2 ~waterLevel~0) .cse0 .cse1 (<= ~waterLevel~0 1)))) [2023-04-02 04:26:29,509 INFO L899 garLoopResultBuilder]: For program point L795-1(lines 776 800) no Hoare annotation was computed. [2023-04-02 04:26:29,509 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 776 800) no Hoare annotation was computed. [2023-04-02 04:26:29,510 INFO L895 garLoopResultBuilder]: At program point L790(line 790) the Hoare annotation is: (let ((.cse0 (and (= ~pumpRunning~0 0) (= 0 processEnvironment_~tmp~5))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or (< 2 ~waterLevel~0) .cse0 .cse1 .cse2 (<= ~waterLevel~0 1)) (or .cse2 (< ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|) (< |old(~pumpRunning~0)| 1)))) [2023-04-02 04:26:29,510 INFO L895 garLoopResultBuilder]: At program point L786(line 786) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (< 2 ~waterLevel~0) .cse0 (= ~pumpRunning~0 0) .cse1 (<= ~waterLevel~0 1)) (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse1 (< ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|) (< |old(~pumpRunning~0)| 1)))) [2023-04-02 04:26:29,510 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 792) no Hoare annotation was computed. [2023-04-02 04:26:29,510 INFO L895 garLoopResultBuilder]: At program point L782(line 782) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (< 2 ~waterLevel~0) .cse0 .cse1 .cse2 (<= ~waterLevel~0 1)) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse2 (< ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|) (< |old(~pumpRunning~0)| 1)))) [2023-04-02 04:26:29,510 INFO L899 garLoopResultBuilder]: For program point L782-1(line 782) no Hoare annotation was computed. [2023-04-02 04:26:29,510 INFO L899 garLoopResultBuilder]: For program point L780(lines 780 797) no Hoare annotation was computed. [2023-04-02 04:26:29,510 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 776 800) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (< 2 ~waterLevel~0) .cse0 .cse1 .cse2 (<= ~waterLevel~0 1)) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 (< ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|) (< |old(~pumpRunning~0)| 1)))) [2023-04-02 04:26:29,510 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 768 774) no Hoare annotation was computed. [2023-04-02 04:26:29,510 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 768 774) the Hoare annotation is: true [2023-04-02 04:26:29,510 INFO L899 garLoopResultBuilder]: For program point L607(lines 607 620) no Hoare annotation was computed. [2023-04-02 04:26:29,510 INFO L895 garLoopResultBuilder]: At program point L599(line 599) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (and .cse4 .cse1 (< 1 ~waterLevel~0) .cse2 .cse3) (and .cse4 .cse1 (= 0 ~systemActive~0)) (and .cse4 .cse1 .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)))) [2023-04-02 04:26:29,510 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 567 632) no Hoare annotation was computed. [2023-04-02 04:26:29,510 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 603) no Hoare annotation was computed. [2023-04-02 04:26:29,510 INFO L899 garLoopResultBuilder]: For program point L597-1(lines 597 603) no Hoare annotation was computed. [2023-04-02 04:26:29,511 INFO L895 garLoopResultBuilder]: At program point L622(lines 577 624) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse3 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (and .cse5 .cse1 (= 0 ~systemActive~0)) (and .cse5 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse3 (= ~waterLevel~0 1)))) [2023-04-02 04:26:29,511 INFO L895 garLoopResultBuilder]: At program point L589(line 589) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse3 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (and .cse5 .cse1 (= 0 ~systemActive~0)) (and .cse5 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse3 (= ~waterLevel~0 1)))) [2023-04-02 04:26:29,511 INFO L899 garLoopResultBuilder]: For program point L587(lines 587 593) no Hoare annotation was computed. [2023-04-02 04:26:29,511 INFO L899 garLoopResultBuilder]: For program point L587-1(lines 587 593) no Hoare annotation was computed. [2023-04-02 04:26:29,511 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 567 632) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-02 04:26:29,511 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 583) no Hoare annotation was computed. [2023-04-02 04:26:29,511 INFO L895 garLoopResultBuilder]: At program point L625(lines 576 626) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-02 04:26:29,511 INFO L895 garLoopResultBuilder]: At program point L615(line 615) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (< 1 ~waterLevel~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (and (not (= ~switchedOnBeforeTS~0 0)) .cse0 .cse1 (<= 2 ~waterLevel~0)) (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (and .cse4 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (and .cse4 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (and .cse4 .cse1 (= 0 ~systemActive~0)))) [2023-04-02 04:26:29,511 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 619) no Hoare annotation was computed. [2023-04-02 04:26:29,511 INFO L895 garLoopResultBuilder]: At program point L613-1(lines 607 620) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (and .cse4 .cse1 (< 1 ~waterLevel~0) .cse2 .cse3) (and .cse4 .cse1 (= 0 ~systemActive~0)) (and .cse4 .cse1 .cse2 (= ~waterLevel~0 1)))) [2023-04-02 04:26:29,511 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 567 632) no Hoare annotation was computed. [2023-04-02 04:26:29,511 INFO L899 garLoopResultBuilder]: For program point L578(lines 577 624) no Hoare annotation was computed. [2023-04-02 04:26:29,511 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 686 708) no Hoare annotation was computed. [2023-04-02 04:26:29,511 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 686 708) no Hoare annotation was computed. [2023-04-02 04:26:29,511 INFO L899 garLoopResultBuilder]: For program point L694(lines 694 702) no Hoare annotation was computed. [2023-04-02 04:26:29,512 INFO L899 garLoopResultBuilder]: For program point printEnvironmentFINAL(lines 686 708) no Hoare annotation was computed. [2023-04-02 04:26:29,512 INFO L899 garLoopResultBuilder]: For program point L694-2(lines 694 702) no Hoare annotation was computed. [2023-04-02 04:26:29,512 INFO L899 garLoopResultBuilder]: For program point activatePumpFINAL(lines 801 808) no Hoare annotation was computed. [2023-04-02 04:26:29,512 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 801 808) no Hoare annotation was computed. [2023-04-02 04:26:29,512 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 801 808) the Hoare annotation is: (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (< ~waterLevel~0 2)) [2023-04-02 04:26:29,512 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 709 717) the Hoare annotation is: true [2023-04-02 04:26:29,512 INFO L899 garLoopResultBuilder]: For program point getWaterLevelFINAL(lines 709 717) no Hoare annotation was computed. [2023-04-02 04:26:29,512 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 709 717) no Hoare annotation was computed. [2023-04-02 04:26:29,512 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelEXIT(lines 873 891) no Hoare annotation was computed. [2023-04-02 04:26:29,512 INFO L902 garLoopResultBuilder]: At program point L880(line 880) the Hoare annotation is: true [2023-04-02 04:26:29,512 INFO L899 garLoopResultBuilder]: For program point L882-2(lines 882 886) no Hoare annotation was computed. [2023-04-02 04:26:29,512 INFO L899 garLoopResultBuilder]: For program point L880-1(line 880) no Hoare annotation was computed. [2023-04-02 04:26:29,512 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 873 891) the Hoare annotation is: true [2023-04-02 04:26:29,512 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelFINAL(lines 873 891) no Hoare annotation was computed. [2023-04-02 04:26:29,512 INFO L899 garLoopResultBuilder]: For program point L882(lines 882 886) no Hoare annotation was computed. [2023-04-02 04:26:29,512 INFO L895 garLoopResultBuilder]: At program point L757(line 757) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse7 (<= |old(~waterLevel~0)| 1)) (.cse8 (< 2 |old(~waterLevel~0)|)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse6 (= ~waterLevel~0 1)) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (and .cse1 .cse2) (< |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|) .cse3) (or .cse4 (not (= |old(~waterLevel~0)| 1)) .cse0 (and .cse5 .cse6)) (or .cse4 .cse0 (and .cse5 (< 1 ~waterLevel~0) (<= ~waterLevel~0 2)) .cse7 .cse8) (or .cse0 .cse3 .cse7 .cse8 (and .cse1 .cse2 .cse6)) (or .cse4 (not (= 0 ~systemActive~0))))) [2023-04-02 04:26:29,512 INFO L895 garLoopResultBuilder]: At program point L755(lines 755 761) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 0)) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (and .cse9 .cse3)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse8 (< |old(~pumpRunning~0)| 1)) (.cse4 (<= |old(~waterLevel~0)| 1)) (.cse5 (< 2 |old(~waterLevel~0)|)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse10 (= ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 (and (<= 1 ~pumpRunning~0) .cse3) .cse4 .cse5) (or .cse0 .cse1 (not (= 0 ~systemActive~0))) (or .cse2 (and .cse6 .cse7) (< |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|) .cse8) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse2 (and .cse9 .cse10)) (or .cse2 .cse8 .cse4 .cse5 (and .cse6 .cse7 .cse10))))) [2023-04-02 04:26:29,513 INFO L895 garLoopResultBuilder]: At program point L750(line 750) the Hoare annotation is: (let ((.cse3 (<= |old(~waterLevel~0)| 1)) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse2 (< |old(~pumpRunning~0)| 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse3 .cse4) (or .cse5 (not (= |old(~waterLevel~0)| 1)) .cse0) (or .cse5 (not (= 0 ~systemActive~0))) (or .cse0 .cse1 (< |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|) .cse2))) [2023-04-02 04:26:29,513 INFO L899 garLoopResultBuilder]: For program point L748(lines 744 766) no Hoare annotation was computed. [2023-04-02 04:26:29,513 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 741 767) no Hoare annotation was computed. [2023-04-02 04:26:29,513 INFO L899 garLoopResultBuilder]: For program point L746(lines 744 766) no Hoare annotation was computed. [2023-04-02 04:26:29,513 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 741 767) the Hoare annotation is: (let ((.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse5 (< |old(~pumpRunning~0)| 1)) (.cse6 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse4)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (= 1 ~systemActive~0))) (.cse0 (= ~pumpRunning~0 0)) (.cse7 (<= |old(~waterLevel~0)| 1)) (.cse8 (< 2 |old(~waterLevel~0)|))) (and (or (and .cse0 .cse1 (= ~waterLevel~0 1)) .cse2 (not (= |old(~waterLevel~0)| 1)) .cse3) (or (and .cse0 .cse1 .cse4) .cse2 (not (= 0 ~systemActive~0))) (or .cse3 (< |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|) .cse5 .cse6) (or .cse3 .cse5 .cse6 .cse7 .cse8) (or .cse2 .cse3 (and .cse0 .cse1 (< 1 ~waterLevel~0) (<= ~waterLevel~0 2)) .cse7 .cse8)))) [2023-04-02 04:26:29,513 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 741 767) no Hoare annotation was computed. [2023-04-02 04:26:29,513 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 61 90) no Hoare annotation was computed. [2023-04-02 04:26:29,513 INFO L902 garLoopResultBuilder]: At program point L86(lines 61 90) the Hoare annotation is: true [2023-04-02 04:26:29,513 INFO L899 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2023-04-02 04:26:29,513 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 79) no Hoare annotation was computed. [2023-04-02 04:26:29,513 INFO L902 garLoopResultBuilder]: At program point L75-1(lines 75 79) the Hoare annotation is: true [2023-04-02 04:26:29,513 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 61 90) the Hoare annotation is: true [2023-04-02 04:26:29,513 INFO L899 garLoopResultBuilder]: For program point L72(line 72) no Hoare annotation was computed. [2023-04-02 04:26:29,513 INFO L902 garLoopResultBuilder]: At program point L71-2(lines 71 85) the Hoare annotation is: true [2023-04-02 04:26:29,513 INFO L902 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: true [2023-04-02 04:26:29,513 INFO L899 garLoopResultBuilder]: For program point L67-1(line 67) no Hoare annotation was computed. [2023-04-02 04:26:29,514 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 677 685) no Hoare annotation was computed. [2023-04-02 04:26:29,514 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 677 685) no Hoare annotation was computed. [2023-04-02 04:26:29,514 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 677 685) no Hoare annotation was computed. [2023-04-02 04:26:29,514 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 641 652) no Hoare annotation was computed. [2023-04-02 04:26:29,514 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 641 652) the Hoare annotation is: (or (< ~pumpRunning~0 1) (not (= 1 ~systemActive~0)) (< ~switchedOnBeforeTS~0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) [2023-04-02 04:26:29,514 INFO L899 garLoopResultBuilder]: For program point L645-1(lines 641 652) no Hoare annotation was computed. [2023-04-02 04:26:29,514 INFO L899 garLoopResultBuilder]: For program point L657-1(lines 653 664) no Hoare annotation was computed. [2023-04-02 04:26:29,514 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 653 664) no Hoare annotation was computed. [2023-04-02 04:26:29,514 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 653 664) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse4 (<= |old(~waterLevel~0)| 1)) (.cse5 (< 2 |old(~waterLevel~0)|)) (.cse3 (< ~pumpRunning~0 1)) (.cse2 (not (= 1 ~systemActive~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse2 (= ~waterLevel~0 1)) (or .cse3 .cse2 .cse1 .cse4 .cse5) (or .cse0 .cse2 .cse1 .cse4 .cse5) (or .cse3 .cse2 (< ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse1))) [2023-04-02 04:26:29,514 INFO L899 garLoopResultBuilder]: For program point __automaton_failFINAL(lines 50 57) no Hoare annotation was computed. [2023-04-02 04:26:29,514 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 50 57) the Hoare annotation is: true [2023-04-02 04:26:29,514 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2023-04-02 04:26:29,514 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 50 57) no Hoare annotation was computed. [2023-04-02 04:26:29,514 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 549 555) the Hoare annotation is: true [2023-04-02 04:26:29,514 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 549 555) no Hoare annotation was computed. [2023-04-02 04:26:29,514 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__1EXIT(lines 909 916) no Hoare annotation was computed. [2023-04-02 04:26:29,514 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 909 916) the Hoare annotation is: (or (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2023-04-02 04:26:29,515 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__1FINAL(lines 909 916) no Hoare annotation was computed. [2023-04-02 04:26:29,515 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__2EXIT(lines 917 926) no Hoare annotation was computed. [2023-04-02 04:26:29,515 INFO L899 garLoopResultBuilder]: For program point L922(line 922) no Hoare annotation was computed. [2023-04-02 04:26:29,515 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 917 926) the Hoare annotation is: (let ((.cse0 (< 2 ~waterLevel~0)) (.cse1 (< ~pumpRunning~0 1)) (.cse4 (not (= ~pumpRunning~0 0))) (.cse2 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (< ~waterLevel~0 2)) (or .cse0 .cse4 .cse2 .cse3 (<= ~waterLevel~0 1)) (or .cse4 .cse2 (not (= 0 ~systemActive~0))) (or .cse1 .cse2 .cse3 (< |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (or (not (= ~waterLevel~0 1)) .cse4 .cse2 .cse3))) [2023-04-02 04:26:29,515 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__2FINAL(lines 917 926) no Hoare annotation was computed. [2023-04-02 04:26:29,515 INFO L895 garLoopResultBuilder]: At program point L942(line 942) the Hoare annotation is: (let ((.cse3 (not (= ~pumpRunning~0 0))) (.cse2 (< 2 ~waterLevel~0)) (.cse0 (< ~pumpRunning~0 1)) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (< ~waterLevel~0 2))) (and (or .cse0 .cse1 (< ~switchedOnBeforeTS~0 ~pumpRunning~0)) (or .cse2 .cse3 .cse1 .cse4) (or (not (= ~waterLevel~0 1)) .cse3 .cse1) (or .cse3 (not (= 0 ~systemActive~0))) (or .cse2 .cse0 .cse1 .cse4))) [2023-04-02 04:26:29,515 INFO L899 garLoopResultBuilder]: For program point L940(lines 940 946) no Hoare annotation was computed. [2023-04-02 04:26:29,515 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__3EXIT(lines 927 955) no Hoare annotation was computed. [2023-04-02 04:26:29,515 INFO L899 garLoopResultBuilder]: For program point L939(lines 939 949) no Hoare annotation was computed. [2023-04-02 04:26:29,515 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 927 955) the Hoare annotation is: true [2023-04-02 04:26:29,515 INFO L895 garLoopResultBuilder]: At program point L937(line 937) the Hoare annotation is: (let ((.cse1 (not (= ~pumpRunning~0 0))) (.cse0 (< 2 ~waterLevel~0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (< ~waterLevel~0 2))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 (not (= 0 ~systemActive~0))) (or .cse0 (< ~pumpRunning~0 1) .cse2 .cse3))) [2023-04-02 04:26:29,515 INFO L899 garLoopResultBuilder]: For program point L937-1(line 937) no Hoare annotation was computed. [2023-04-02 04:26:29,515 INFO L899 garLoopResultBuilder]: For program point L935(lines 935 952) no Hoare annotation was computed. [2023-04-02 04:26:29,515 INFO L899 garLoopResultBuilder]: For program point L935-1(lines 927 955) no Hoare annotation was computed. [2023-04-02 04:26:29,515 INFO L902 garLoopResultBuilder]: At program point L933(line 933) the Hoare annotation is: true [2023-04-02 04:26:29,515 INFO L899 garLoopResultBuilder]: For program point L933-1(line 933) no Hoare annotation was computed. [2023-04-02 04:26:29,516 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 828 836) no Hoare annotation was computed. [2023-04-02 04:26:29,516 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 828 836) no Hoare annotation was computed. [2023-04-02 04:26:29,516 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 828 836) the Hoare annotation is: true [2023-04-02 04:26:29,516 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 864) no Hoare annotation was computed. [2023-04-02 04:26:29,516 INFO L899 garLoopResultBuilder]: For program point L856-2(lines 856 864) no Hoare annotation was computed. [2023-04-02 04:26:29,516 INFO L899 garLoopResultBuilder]: For program point printPumpFINAL(lines 837 872) no Hoare annotation was computed. [2023-04-02 04:26:29,516 INFO L899 garLoopResultBuilder]: For program point L844(lines 844 852) no Hoare annotation was computed. [2023-04-02 04:26:29,516 INFO L899 garLoopResultBuilder]: For program point L844-2(lines 844 852) no Hoare annotation was computed. [2023-04-02 04:26:29,516 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 837 872) no Hoare annotation was computed. [2023-04-02 04:26:29,516 INFO L899 garLoopResultBuilder]: For program point L867(line 867) no Hoare annotation was computed. [2023-04-02 04:26:29,516 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 837 872) no Hoare annotation was computed. [2023-04-02 04:26:29,516 INFO L899 garLoopResultBuilder]: For program point L867-1(line 867) no Hoare annotation was computed. [2023-04-02 04:26:29,516 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 171 216) no Hoare annotation was computed. [2023-04-02 04:26:29,516 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 171 216) no Hoare annotation was computed. [2023-04-02 04:26:29,516 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setFINAL(lines 171 216) no Hoare annotation was computed. [2023-04-02 04:26:29,516 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 127 137) no Hoare annotation was computed. [2023-04-02 04:26:29,516 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 127 137) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-02 04:26:29,516 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 127 137) no Hoare annotation was computed. [2023-04-02 04:26:29,516 INFO L895 garLoopResultBuilder]: At program point L132(line 132) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-02 04:26:29,517 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 817 827) no Hoare annotation was computed. [2023-04-02 04:26:29,517 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 817 827) no Hoare annotation was computed. [2023-04-02 04:26:29,517 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 817 827) no Hoare annotation was computed. [2023-04-02 04:26:29,517 INFO L899 garLoopResultBuilder]: For program point L822(line 822) no Hoare annotation was computed. [2023-04-02 04:26:29,517 INFO L899 garLoopResultBuilder]: For program point L822-1(line 822) no Hoare annotation was computed. [2023-04-02 04:26:29,517 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 809 816) no Hoare annotation was computed. [2023-04-02 04:26:29,517 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 809 816) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (< |old(~pumpRunning~0)| 1))) (and (or .cse0 (< ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|) .cse1) (or .cse0 .cse1 (< ~waterLevel~0 2) (= ~switchedOnBeforeTS~0 0)) (or (< 2 ~waterLevel~0) .cse0 (<= ~waterLevel~0 1) .cse1))) [2023-04-02 04:26:29,517 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 809 816) no Hoare annotation was computed. [2023-04-02 04:26:29,517 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 438 483) no Hoare annotation was computed. [2023-04-02 04:26:29,517 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argFINAL(lines 438 483) no Hoare annotation was computed. [2023-04-02 04:26:29,517 INFO L899 garLoopResultBuilder]: For program point L458(lines 458 465) no Hoare annotation was computed. [2023-04-02 04:26:29,517 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 438 483) no Hoare annotation was computed. [2023-04-02 04:26:29,517 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 472) no Hoare annotation was computed. [2023-04-02 04:26:29,517 INFO L899 garLoopResultBuilder]: For program point L452-1(lines 452 472) no Hoare annotation was computed. [2023-04-02 04:26:29,517 INFO L899 garLoopResultBuilder]: For program point L384-2(lines 384 404) no Hoare annotation was computed. [2023-04-02 04:26:29,517 INFO L899 garLoopResultBuilder]: For program point L405(lines 383 406) no Hoare annotation was computed. [2023-04-02 04:26:29,517 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 380) no Hoare annotation was computed. [2023-04-02 04:26:29,517 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 335 437) no Hoare annotation was computed. [2023-04-02 04:26:29,518 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 431) no Hoare annotation was computed. [2023-04-02 04:26:29,518 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 335 437) no Hoare annotation was computed. [2023-04-02 04:26:29,518 INFO L899 garLoopResultBuilder]: For program point L385(lines 384 404) no Hoare annotation was computed. [2023-04-02 04:26:29,518 INFO L899 garLoopResultBuilder]: For program point L416(line 416) no Hoare annotation was computed. [2023-04-02 04:26:29,518 INFO L899 garLoopResultBuilder]: For program point L416-1(line 416) no Hoare annotation was computed. [2023-04-02 04:26:29,518 INFO L899 garLoopResultBuilder]: For program point L381(lines 381 422) no Hoare annotation was computed. [2023-04-02 04:26:29,518 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 335 437) no Hoare annotation was computed. [2023-04-02 04:26:29,518 INFO L899 garLoopResultBuilder]: For program point L400(line 400) no Hoare annotation was computed. [2023-04-02 04:26:29,518 INFO L899 garLoopResultBuilder]: For program point L400-1(line 400) no Hoare annotation was computed. [2023-04-02 04:26:29,518 INFO L899 garLoopResultBuilder]: For program point L359(lines 359 363) no Hoare annotation was computed. [2023-04-02 04:26:29,518 INFO L899 garLoopResultBuilder]: For program point L423(lines 423 434) no Hoare annotation was computed. [2023-04-02 04:26:29,518 INFO L899 garLoopResultBuilder]: For program point L386(lines 386 390) no Hoare annotation was computed. [2023-04-02 04:26:29,518 INFO L899 garLoopResultBuilder]: For program point select_oneFINAL(lines 532 541) no Hoare annotation was computed. [2023-04-02 04:26:29,518 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 532 541) no Hoare annotation was computed. [2023-04-02 04:26:29,518 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 532 541) no Hoare annotation was computed. [2023-04-02 04:26:29,518 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:26:29,518 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)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |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 04:26:29,518 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:26:29,518 INFO L899 garLoopResultBuilder]: For program point L669-1(lines 665 676) no Hoare annotation was computed. [2023-04-02 04:26:29,519 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 665 676) the Hoare annotation is: (let ((.cse3 (< ~pumpRunning~0 1)) (.cse4 (< 2 ~waterLevel~0)) (.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse3 .cse1 (< ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse2) (or .cse0 .cse2 (not (= 0 ~systemActive~0))) (or .cse4 .cse3 .cse1 .cse2 (< ~waterLevel~0 2)) (or .cse4 .cse0 .cse1 (<= ~waterLevel~0 1) .cse2))) [2023-04-02 04:26:29,519 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 665 676) no Hoare annotation was computed. [2023-04-02 04:26:29,519 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:26:29,519 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:26:29,519 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-02 04:26:29,519 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 118 124) no Hoare annotation was computed. [2023-04-02 04:26:29,519 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 118 124) the Hoare annotation is: true [2023-04-02 04:26:29,519 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:26:29,519 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 04:26:29,519 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:26:29,519 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-02 04:26:29,522 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:26:29,531 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-02 04:26:29,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.04 04:26:29 BoogieIcfgContainer [2023-04-02 04:26:29,546 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-02 04:26:29,547 INFO L158 Benchmark]: Toolchain (without parser) took 84875.17ms. Allocated memory was 314.6MB in the beginning and 891.3MB in the end (delta: 576.7MB). Free memory was 268.8MB in the beginning and 608.5MB in the end (delta: -339.7MB). Peak memory consumption was 541.9MB. Max. memory is 8.0GB. [2023-04-02 04:26:29,547 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 176.2MB. Free memory is still 128.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-02 04:26:29,547 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.42ms. Allocated memory is still 314.6MB. Free memory was 268.8MB in the beginning and 250.3MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-04-02 04:26:29,547 INFO L158 Benchmark]: Boogie Preprocessor took 70.89ms. Allocated memory is still 314.6MB. Free memory was 250.3MB in the beginning and 246.8MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-02 04:26:29,547 INFO L158 Benchmark]: RCFGBuilder took 687.84ms. Allocated memory is still 314.6MB. Free memory was 246.8MB in the beginning and 276.3MB in the end (delta: -29.5MB). Peak memory consumption was 36.2MB. Max. memory is 8.0GB. [2023-04-02 04:26:29,547 INFO L158 Benchmark]: TraceAbstraction took 83804.82ms. Allocated memory was 314.6MB in the beginning and 891.3MB in the end (delta: 576.7MB). Free memory was 275.3MB in the beginning and 608.5MB in the end (delta: -333.2MB). Peak memory consumption was 547.6MB. Max. memory is 8.0GB. [2023-04-02 04:26:29,548 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 176.2MB. Free memory is still 128.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 306.42ms. Allocated memory is still 314.6MB. Free memory was 268.8MB in the beginning and 250.3MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 70.89ms. Allocated memory is still 314.6MB. Free memory was 250.3MB in the beginning and 246.8MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 687.84ms. Allocated memory is still 314.6MB. Free memory was 246.8MB in the beginning and 276.3MB in the end (delta: -29.5MB). Peak memory consumption was 36.2MB. Max. memory is 8.0GB. * TraceAbstraction took 83804.82ms. Allocated memory was 314.6MB in the beginning and 891.3MB in the end (delta: 576.7MB). Free memory was 275.3MB in the beginning and 608.5MB in the end (delta: -333.2MB). Peak memory consumption was 547.6MB. 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: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 234 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 83.7s, OverallIterations: 10, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 72.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3832 SdHoareTripleChecker+Valid, 4.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3712 mSDsluCounter, 2021 SdHoareTripleChecker+Invalid, 3.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1587 mSDsCounter, 2101 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8030 IncrementalHoareTripleChecker+Invalid, 10131 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2101 mSolverCounterUnsat, 434 mSDtfsCounter, 8030 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1083 GetRequests, 866 SyntacticMatches, 6 SemanticMatches, 211 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2315 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1410occurred in iteration=8, InterpolantAutomatonStates: 179, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 878 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 1763 PreInvPairs, 1850 NumberOfFragments, 1984 HoareAnnotationTreeSize, 1763 FomulaSimplifications, 3942168 FormulaSimplificationTreeSizeReduction, 68.6s HoareSimplificationTime, 56 FomulaSimplificationsInter, 29588 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 1363 NumberOfCodeBlocks, 1363 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1484 ConstructedInterpolants, 0 QuantifiedInterpolants, 2823 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1272 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 13 InterpolantComputations, 9 PerfectInterpolantSequences, 573/628 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: 71]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || ((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2)) || !(\old(systemActive) == 1)) || (((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && pumpRunning <= switchedOnBeforeTS)) || ((pumpRunning == 0 && splverifierCounter == 0) && 0 == systemActive)) || ((((pumpRunning == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2)) || (((pumpRunning == 0 && splverifierCounter == 0) && 1 == systemActive) && waterLevel == 1) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1) - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-04-02 04:26:29,569 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...