/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_spec3_product50.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 04:18:44,911 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 04:18:44,913 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 04:18:44,947 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 04:18:44,947 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 04:18:44,950 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 04:18:44,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 04:18:44,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 04:18:44,957 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 04:18:44,961 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 04:18:44,962 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 04:18:44,963 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 04:18:44,963 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 04:18:44,963 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 04:18:44,964 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 04:18:44,965 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 04:18:44,966 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 04:18:44,966 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 04:18:44,967 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 04:18:44,969 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 04:18:44,969 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 04:18:44,970 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 04:18:44,971 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 04:18:44,972 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 04:18:44,974 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 04:18:44,975 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 04:18:44,975 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 04:18:44,975 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 04:18:44,976 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 04:18:44,976 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 04:18:44,977 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 04:18:44,977 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 04:18:44,978 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 04:18:44,978 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 04:18:44,979 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 04:18:44,979 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 04:18:44,980 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 04:18:44,980 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 04:18:44,980 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 04:18:44,981 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 04:18:44,981 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 04:18:44,982 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 04:18:45,000 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 04:18:45,000 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 04:18:45,001 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 04:18:45,001 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 04:18:45,002 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 04:18:45,002 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 04:18:45,002 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 04:18:45,002 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 04:18:45,002 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 04:18:45,003 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 04:18:45,003 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 04:18:45,003 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 04:18:45,003 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 04:18:45,003 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 04:18:45,003 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 04:18:45,003 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 04:18:45,004 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 04:18:45,004 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 04:18:45,004 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 04:18:45,004 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 04:18:45,004 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 04:18:45,004 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 04:18:45,004 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 04:18:45,005 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 04:18:45,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 04:18:45,005 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 04:18:45,005 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 04:18:45,005 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 04:18:45,005 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 04:18:45,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 04:18:45,005 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 04:18:45,006 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 04:18:45,006 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 04:18:45,006 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 04:18:45,006 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 04:18:45,006 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 04:18:45,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 04:18:45,247 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 04:18:45,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 04:18:45,250 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 04:18:45,251 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 04:18:45,252 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c [2023-04-02 04:18:46,534 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 04:18:46,780 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 04:18:46,780 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c [2023-04-02 04:18:46,796 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/758faff1c/59aba63dfbf14dcb849f43673fae946c/FLAG60b215e3c [2023-04-02 04:18:46,808 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/758faff1c/59aba63dfbf14dcb849f43673fae946c [2023-04-02 04:18:46,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 04:18:46,812 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 04:18:46,814 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 04:18:46,814 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 04:18:46,817 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 04:18:46,817 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 04:18:46" (1/1) ... [2023-04-02 04:18:46,818 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f798cf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:18:46, skipping insertion in model container [2023-04-02 04:18:46,819 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 04:18:46" (1/1) ... [2023-04-02 04:18:46,826 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 04:18:46,873 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 04:18:47,079 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_spec3_product50.cil.c[15143,15156] [2023-04-02 04:18:47,108 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 04:18:47,121 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 04:18:47,182 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_spec3_product50.cil.c[15143,15156] [2023-04-02 04:18:47,190 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 04:18:47,215 INFO L208 MainTranslator]: Completed translation [2023-04-02 04:18:47,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:18:47 WrapperNode [2023-04-02 04:18:47,215 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 04:18:47,216 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 04:18:47,216 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 04:18:47,216 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 04:18:47,226 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:18:47" (1/1) ... [2023-04-02 04:18:47,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:18:47" (1/1) ... [2023-04-02 04:18:47,239 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:18:47" (1/1) ... [2023-04-02 04:18:47,246 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:18:47" (1/1) ... [2023-04-02 04:18:47,268 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:18:47" (1/1) ... [2023-04-02 04:18:47,274 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:18:47" (1/1) ... [2023-04-02 04:18:47,278 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:18:47" (1/1) ... [2023-04-02 04:18:47,281 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:18:47" (1/1) ... [2023-04-02 04:18:47,287 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 04:18:47,288 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 04:18:47,288 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 04:18:47,288 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 04:18:47,289 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:18:47" (1/1) ... [2023-04-02 04:18:47,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 04:18:47,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:18:47,386 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 04:18:47,391 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 04:18:47,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 04:18:47,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 04:18:47,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-02 04:18:47,421 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 04:18:47,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-02 04:18:47,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-02 04:18:47,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-02 04:18:47,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-02 04:18:47,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-02 04:18:47,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-02 04:18:47,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2023-04-02 04:18:47,422 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-02 04:18:47,422 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-02 04:18:47,422 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-02 04:18:47,422 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-02 04:18:47,422 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-02 04:18:47,423 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-02 04:18:47,423 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-04-02 04:18:47,423 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2023-04-02 04:18:47,423 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-02 04:18:47,423 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-02 04:18:47,423 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-02 04:18:47,423 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-02 04:18:47,423 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 04:18:47,423 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-02 04:18:47,424 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-02 04:18:47,424 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-02 04:18:47,424 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-02 04:18:47,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-02 04:18:47,424 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-02 04:18:47,424 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-02 04:18:47,424 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-04-02 04:18:47,424 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-04-02 04:18:47,425 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-02 04:18:47,425 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-02 04:18:47,425 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-02 04:18:47,425 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-02 04:18:47,425 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-02 04:18:47,425 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-02 04:18:47,425 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-04-02 04:18:47,425 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2023-04-02 04:18:47,425 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2023-04-02 04:18:47,426 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 04:18:47,426 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 04:18:47,426 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 04:18:47,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 04:18:47,426 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 04:18:47,426 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-02 04:18:47,426 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 04:18:47,426 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 04:18:47,426 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-02 04:18:47,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 04:18:47,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 04:18:47,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 04:18:47,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 04:18:47,427 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-02 04:18:47,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 04:18:47,427 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-02 04:18:47,427 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-02 04:18:47,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 04:18:47,428 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-02 04:18:47,428 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-02 04:18:47,428 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-02 04:18:47,428 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-02 04:18:47,428 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-02 04:18:47,428 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-02 04:18:47,428 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-02 04:18:47,428 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2023-04-02 04:18:47,428 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-02 04:18:47,429 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-02 04:18:47,429 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-02 04:18:47,429 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-02 04:18:47,429 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-04-02 04:18:47,429 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2023-04-02 04:18:47,429 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-02 04:18:47,429 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-02 04:18:47,429 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-02 04:18:47,429 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-02 04:18:47,430 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-02 04:18:47,430 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-02 04:18:47,430 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-02 04:18:47,430 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-02 04:18:47,430 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-02 04:18:47,430 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-02 04:18:47,430 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 04:18:47,430 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-02 04:18:47,430 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2023-04-02 04:18:47,430 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-02 04:18:47,431 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-02 04:18:47,431 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-02 04:18:47,431 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-04-02 04:18:47,431 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-04-02 04:18:47,431 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-04-02 04:18:47,431 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2023-04-02 04:18:47,431 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-02 04:18:47,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 04:18:47,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 04:18:47,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 04:18:47,611 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 04:18:47,614 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 04:18:48,273 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 04:18:48,286 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 04:18:48,287 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-02 04:18:48,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 04:18:48 BoogieIcfgContainer [2023-04-02 04:18:48,293 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 04:18:48,297 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 04:18:48,298 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 04:18:48,301 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 04:18:48,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 04:18:46" (1/3) ... [2023-04-02 04:18:48,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56824997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 04:18:48, skipping insertion in model container [2023-04-02 04:18:48,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:18:47" (2/3) ... [2023-04-02 04:18:48,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56824997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 04:18:48, skipping insertion in model container [2023-04-02 04:18:48,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 04:18:48" (3/3) ... [2023-04-02 04:18:48,306 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product50.cil.c [2023-04-02 04:18:48,324 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 04:18:48,325 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 04:18:48,377 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 04:18:48,383 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;@c161053, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 04:18:48,384 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 04:18:48,389 INFO L276 IsEmpty]: Start isEmpty. Operand has 184 states, 103 states have (on average 1.2912621359223302) internal successors, (133), 116 states have internal predecessors, (133), 47 states have call successors, (47), 30 states have call predecessors, (47), 30 states have return successors, (47), 43 states have call predecessors, (47), 47 states have call successors, (47) [2023-04-02 04:18:48,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-04-02 04:18:48,402 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:18:48,403 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:18:48,403 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:18:48,408 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:18:48,408 INFO L85 PathProgramCache]: Analyzing trace with hash -273417613, now seen corresponding path program 1 times [2023-04-02 04:18:48,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:18:48,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59176775] [2023-04-02 04:18:48,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:18:48,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:18:48,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:48,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:18:48,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:48,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:18:48,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:48,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:18:48,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:48,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:18:48,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:48,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:18:48,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:48,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-04-02 04:18:48,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:48,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 04:18:48,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:48,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-04-02 04:18:48,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:48,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:18:48,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:18:48,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59176775] [2023-04-02 04:18:48,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59176775] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:18:48,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:18:48,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-02 04:18:48,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260617261] [2023-04-02 04:18:48,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:18:48,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 04:18:48,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:18:48,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 04:18:48,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-02 04:18:48,865 INFO L87 Difference]: Start difference. First operand has 184 states, 103 states have (on average 1.2912621359223302) internal successors, (133), 116 states have internal predecessors, (133), 47 states have call successors, (47), 30 states have call predecessors, (47), 30 states have return successors, (47), 43 states have call predecessors, (47), 47 states have call successors, (47) Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-02 04:18:49,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:18:49,435 INFO L93 Difference]: Finished difference Result 318 states and 412 transitions. [2023-04-02 04:18:49,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 04:18:49,438 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 52 [2023-04-02 04:18:49,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:18:49,452 INFO L225 Difference]: With dead ends: 318 [2023-04-02 04:18:49,452 INFO L226 Difference]: Without dead ends: 171 [2023-04-02 04:18:49,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-02 04:18:49,461 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 102 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-02 04:18:49,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 22 Invalid, 268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-02 04:18:49,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2023-04-02 04:18:49,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 138. [2023-04-02 04:18:49,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 82 states have (on average 1.2439024390243902) internal successors, (102), 92 states have internal predecessors, (102), 32 states have call successors, (32), 28 states have call predecessors, (32), 23 states have return successors, (27), 23 states have call predecessors, (27), 27 states have call successors, (27) [2023-04-02 04:18:49,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 161 transitions. [2023-04-02 04:18:49,550 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 161 transitions. Word has length 52 [2023-04-02 04:18:49,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:18:49,552 INFO L495 AbstractCegarLoop]: Abstraction has 138 states and 161 transitions. [2023-04-02 04:18:49,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-02 04:18:49,553 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 161 transitions. [2023-04-02 04:18:49,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-04-02 04:18:49,563 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:18:49,563 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:18:49,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 04:18:49,564 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:18:49,565 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:18:49,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1368309848, now seen corresponding path program 1 times [2023-04-02 04:18:49,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:18:49,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260659512] [2023-04-02 04:18:49,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:18:49,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:18:49,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:49,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:18:49,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:49,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:18:49,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:49,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:18:49,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:49,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:18:49,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:49,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:18:49,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:49,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-04-02 04:18:49,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:49,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 04:18:49,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:49,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-04-02 04:18:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:49,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:18:49,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:18:49,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260659512] [2023-04-02 04:18:49,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260659512] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:18:49,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:18:49,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-02 04:18:49,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467231625] [2023-04-02 04:18:49,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:18:49,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-02 04:18:49,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:18:49,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-02 04:18:49,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-02 04:18:49,750 INFO L87 Difference]: Start difference. First operand 138 states and 161 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-02 04:18:50,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:18:50,160 INFO L93 Difference]: Finished difference Result 247 states and 299 transitions. [2023-04-02 04:18:50,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-02 04:18:50,161 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 53 [2023-04-02 04:18:50,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:18:50,167 INFO L225 Difference]: With dead ends: 247 [2023-04-02 04:18:50,167 INFO L226 Difference]: Without dead ends: 155 [2023-04-02 04:18:50,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-04-02 04:18:50,176 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 112 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-02 04:18:50,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 30 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-02 04:18:50,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2023-04-02 04:18:50,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 129. [2023-04-02 04:18:50,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 76 states have (on average 1.25) internal successors, (95), 86 states have internal predecessors, (95), 29 states have call successors, (29), 27 states have call predecessors, (29), 23 states have return successors, (25), 21 states have call predecessors, (25), 25 states have call successors, (25) [2023-04-02 04:18:50,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 149 transitions. [2023-04-02 04:18:50,230 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 149 transitions. Word has length 53 [2023-04-02 04:18:50,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:18:50,233 INFO L495 AbstractCegarLoop]: Abstraction has 129 states and 149 transitions. [2023-04-02 04:18:50,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-02 04:18:50,234 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 149 transitions. [2023-04-02 04:18:50,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-04-02 04:18:50,238 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:18:50,238 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:18:50,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 04:18:50,239 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:18:50,239 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:18:50,239 INFO L85 PathProgramCache]: Analyzing trace with hash -553691788, now seen corresponding path program 1 times [2023-04-02 04:18:50,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:18:50,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048132824] [2023-04-02 04:18:50,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:18:50,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:18:50,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:50,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:18:50,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:50,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:18:50,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:50,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:18:50,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:50,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:18:50,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:50,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:18:50,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:50,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 04:18:50,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:50,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-04-02 04:18:50,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:50,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-04-02 04:18:50,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:50,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:18:50,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:18:50,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048132824] [2023-04-02 04:18:50,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048132824] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:18:50,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:18:50,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 04:18:50,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873355845] [2023-04-02 04:18:50,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:18:50,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 04:18:50,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:18:50,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 04:18:50,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-04-02 04:18:50,459 INFO L87 Difference]: Start difference. First operand 129 states and 149 transitions. Second operand has 8 states, 8 states have (on average 4.5) internal successors, (36), 6 states have internal predecessors, (36), 4 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2023-04-02 04:18:51,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:18:51,006 INFO L93 Difference]: Finished difference Result 260 states and 317 transitions. [2023-04-02 04:18:51,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-02 04:18:51,007 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.5) internal successors, (36), 6 states have internal predecessors, (36), 4 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 58 [2023-04-02 04:18:51,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:18:51,012 INFO L225 Difference]: With dead ends: 260 [2023-04-02 04:18:51,012 INFO L226 Difference]: Without dead ends: 155 [2023-04-02 04:18:51,015 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2023-04-02 04:18:51,019 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 208 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 612 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-02 04:18:51,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 37 Invalid, 715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 612 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-02 04:18:51,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2023-04-02 04:18:51,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 129. [2023-04-02 04:18:51,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 76 states have (on average 1.236842105263158) internal successors, (94), 85 states have internal predecessors, (94), 29 states have call successors, (29), 27 states have call predecessors, (29), 23 states have return successors, (25), 21 states have call predecessors, (25), 25 states have call successors, (25) [2023-04-02 04:18:51,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 148 transitions. [2023-04-02 04:18:51,055 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 148 transitions. Word has length 58 [2023-04-02 04:18:51,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:18:51,055 INFO L495 AbstractCegarLoop]: Abstraction has 129 states and 148 transitions. [2023-04-02 04:18:51,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.5) internal successors, (36), 6 states have internal predecessors, (36), 4 states have call successors, (14), 5 states have call predecessors, (14), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2023-04-02 04:18:51,055 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 148 transitions. [2023-04-02 04:18:51,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-04-02 04:18:51,056 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:18:51,057 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:18:51,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 04:18:51,057 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:18:51,057 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:18:51,057 INFO L85 PathProgramCache]: Analyzing trace with hash 2096936042, now seen corresponding path program 1 times [2023-04-02 04:18:51,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:18:51,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133315049] [2023-04-02 04:18:51,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:18:51,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:18:51,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:51,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:18:51,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:51,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:18:51,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:51,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:18:51,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:51,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:18:51,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:51,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:18:51,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:51,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 04:18:51,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:51,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:18:51,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:51,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:18:51,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:51,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 04:18:51,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:51,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-04-02 04:18:51,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:51,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-04-02 04:18:51,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:51,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:18:51,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:18:51,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133315049] [2023-04-02 04:18:51,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133315049] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:18:51,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:18:51,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-02 04:18:51,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537157400] [2023-04-02 04:18:51,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:18:51,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-02 04:18:51,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:18:51,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-02 04:18:51,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-04-02 04:18:51,254 INFO L87 Difference]: Start difference. First operand 129 states and 148 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 4 states have call successors, (17), 5 states have call predecessors, (17), 4 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) [2023-04-02 04:18:51,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:18:51,846 INFO L93 Difference]: Finished difference Result 369 states and 453 transitions. [2023-04-02 04:18:51,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-02 04:18:51,847 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 4 states have call successors, (17), 5 states have call predecessors, (17), 4 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) Word has length 71 [2023-04-02 04:18:51,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:18:51,850 INFO L225 Difference]: With dead ends: 369 [2023-04-02 04:18:51,850 INFO L226 Difference]: Without dead ends: 264 [2023-04-02 04:18:51,851 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2023-04-02 04:18:51,855 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 256 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-04-02 04:18:51,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 84 Invalid, 650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-04-02 04:18:51,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2023-04-02 04:18:51,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 221. [2023-04-02 04:18:51,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 134 states have (on average 1.208955223880597) internal successors, (162), 143 states have internal predecessors, (162), 43 states have call successors, (43), 42 states have call predecessors, (43), 43 states have return successors, (46), 42 states have call predecessors, (46), 39 states have call successors, (46) [2023-04-02 04:18:51,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 251 transitions. [2023-04-02 04:18:51,896 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 251 transitions. Word has length 71 [2023-04-02 04:18:51,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:18:51,896 INFO L495 AbstractCegarLoop]: Abstraction has 221 states and 251 transitions. [2023-04-02 04:18:51,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 4 states have call successors, (17), 5 states have call predecessors, (17), 4 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) [2023-04-02 04:18:51,896 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 251 transitions. [2023-04-02 04:18:51,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-04-02 04:18:51,897 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:18:51,898 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:18:51,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-02 04:18:51,898 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:18:51,898 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:18:51,899 INFO L85 PathProgramCache]: Analyzing trace with hash 821188181, now seen corresponding path program 1 times [2023-04-02 04:18:51,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:18:51,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594776571] [2023-04-02 04:18:51,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:18:51,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:18:51,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:52,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:18:52,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:52,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:18:52,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:52,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:18:52,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:52,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:18:52,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:52,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:18:52,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:52,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 04:18:52,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:52,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:18:52,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:52,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:18:52,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:52,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:18:52,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:52,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 04:18:52,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:52,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-04-02 04:18:52,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:52,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-04-02 04:18:52,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:52,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-04-02 04:18:52,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:52,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:18:52,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:18:52,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594776571] [2023-04-02 04:18:52,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594776571] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:18:52,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:18:52,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 04:18:52,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290908748] [2023-04-02 04:18:52,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:18:52,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 04:18:52,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:18:52,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 04:18:52,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-04-02 04:18:52,109 INFO L87 Difference]: Start difference. First operand 221 states and 251 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (19), 5 states have call predecessors, (19), 3 states have return successors, (13), 4 states have call predecessors, (13), 3 states have call successors, (13) [2023-04-02 04:18:52,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:18:52,877 INFO L93 Difference]: Finished difference Result 588 states and 730 transitions. [2023-04-02 04:18:52,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-04-02 04:18:52,878 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (19), 5 states have call predecessors, (19), 3 states have return successors, (13), 4 states have call predecessors, (13), 3 states have call successors, (13) Word has length 85 [2023-04-02 04:18:52,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:18:52,880 INFO L225 Difference]: With dead ends: 588 [2023-04-02 04:18:52,881 INFO L226 Difference]: Without dead ends: 391 [2023-04-02 04:18:52,881 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2023-04-02 04:18:52,882 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 334 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 753 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 753 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-02 04:18:52,882 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [352 Valid, 67 Invalid, 936 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 753 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-02 04:18:52,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2023-04-02 04:18:52,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 348. [2023-04-02 04:18:52,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 214 states have (on average 1.2009345794392523) internal successors, (257), 230 states have internal predecessors, (257), 66 states have call successors, (66), 63 states have call predecessors, (66), 67 states have return successors, (80), 65 states have call predecessors, (80), 62 states have call successors, (80) [2023-04-02 04:18:52,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 403 transitions. [2023-04-02 04:18:52,932 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 403 transitions. Word has length 85 [2023-04-02 04:18:52,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:18:52,932 INFO L495 AbstractCegarLoop]: Abstraction has 348 states and 403 transitions. [2023-04-02 04:18:52,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (19), 5 states have call predecessors, (19), 3 states have return successors, (13), 4 states have call predecessors, (13), 3 states have call successors, (13) [2023-04-02 04:18:52,937 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 403 transitions. [2023-04-02 04:18:52,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-04-02 04:18:52,938 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:18:52,938 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:18:52,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-02 04:18:52,939 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:18:52,939 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:18:52,939 INFO L85 PathProgramCache]: Analyzing trace with hash -674173605, now seen corresponding path program 1 times [2023-04-02 04:18:52,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:18:52,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116180788] [2023-04-02 04:18:52,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:18:52,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:18:52,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:53,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:18:53,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:53,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:18:53,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:53,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:18:53,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:53,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:18:53,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:53,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:18:53,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:53,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 04:18:53,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:53,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-04-02 04:18:53,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:53,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:18:53,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:53,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:18:53,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:53,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:18:53,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:53,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 04:18:53,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:53,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-04-02 04:18:53,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:53,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-04-02 04:18:53,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:53,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-04-02 04:18:53,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:53,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:18:53,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:18:53,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116180788] [2023-04-02 04:18:53,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116180788] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:18:53,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:18:53,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 04:18:53,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077427] [2023-04-02 04:18:53,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:18:53,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 04:18:53,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:18:53,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 04:18:53,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-04-02 04:18:53,151 INFO L87 Difference]: Start difference. First operand 348 states and 403 transitions. Second operand has 10 states, 10 states have (on average 5.5) internal successors, (55), 6 states have internal predecessors, (55), 4 states have call successors, (20), 6 states have call predecessors, (20), 3 states have return successors, (14), 5 states have call predecessors, (14), 4 states have call successors, (14) [2023-04-02 04:18:54,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:18:54,128 INFO L93 Difference]: Finished difference Result 799 states and 1008 transitions. [2023-04-02 04:18:54,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-02 04:18:54,129 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 6 states have internal predecessors, (55), 4 states have call successors, (20), 6 states have call predecessors, (20), 3 states have return successors, (14), 5 states have call predecessors, (14), 4 states have call successors, (14) Word has length 89 [2023-04-02 04:18:54,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:18:54,132 INFO L225 Difference]: With dead ends: 799 [2023-04-02 04:18:54,132 INFO L226 Difference]: Without dead ends: 591 [2023-04-02 04:18:54,134 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=110, Invalid=270, Unknown=0, NotChecked=0, Total=380 [2023-04-02 04:18:54,134 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 350 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 930 mSolverCounterSat, 188 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 371 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 1118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 930 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-02 04:18:54,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [371 Valid, 94 Invalid, 1118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [188 Valid, 930 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-02 04:18:54,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2023-04-02 04:18:54,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 519. [2023-04-02 04:18:54,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 321 states have (on average 1.1931464174454829) internal successors, (383), 343 states have internal predecessors, (383), 96 states have call successors, (96), 91 states have call predecessors, (96), 101 states have return successors, (131), 99 states have call predecessors, (131), 92 states have call successors, (131) [2023-04-02 04:18:54,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 610 transitions. [2023-04-02 04:18:54,210 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 610 transitions. Word has length 89 [2023-04-02 04:18:54,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:18:54,211 INFO L495 AbstractCegarLoop]: Abstraction has 519 states and 610 transitions. [2023-04-02 04:18:54,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 6 states have internal predecessors, (55), 4 states have call successors, (20), 6 states have call predecessors, (20), 3 states have return successors, (14), 5 states have call predecessors, (14), 4 states have call successors, (14) [2023-04-02 04:18:54,212 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 610 transitions. [2023-04-02 04:18:54,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-04-02 04:18:54,216 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:18:54,216 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:18:54,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-02 04:18:54,217 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:18:54,217 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:18:54,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1596857188, now seen corresponding path program 1 times [2023-04-02 04:18:54,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:18:54,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256145036] [2023-04-02 04:18:54,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:18:54,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:18:54,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:54,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:18:54,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:54,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:18:54,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:54,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:18:54,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:54,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:18:54,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:54,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:18:54,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:54,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 04:18:54,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:54,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-04-02 04:18:54,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:54,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:18:54,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:54,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:18:54,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:54,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:18:54,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:54,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 04:18:54,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:54,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-04-02 04:18:54,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:54,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-04-02 04:18:54,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:54,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-04-02 04:18:54,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:54,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:18:54,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:18:54,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256145036] [2023-04-02 04:18:54,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256145036] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:18:54,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:18:54,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 04:18:54,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882171241] [2023-04-02 04:18:54,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:18:54,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 04:18:54,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:18:54,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 04:18:54,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-04-02 04:18:54,376 INFO L87 Difference]: Start difference. First operand 519 states and 610 transitions. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (20), 5 states have call predecessors, (20), 3 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2023-04-02 04:18:54,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:18:54,929 INFO L93 Difference]: Finished difference Result 962 states and 1177 transitions. [2023-04-02 04:18:54,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-02 04:18:54,932 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (20), 5 states have call predecessors, (20), 3 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) Word has length 89 [2023-04-02 04:18:54,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:18:54,935 INFO L225 Difference]: With dead ends: 962 [2023-04-02 04:18:54,935 INFO L226 Difference]: Without dead ends: 579 [2023-04-02 04:18:54,936 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2023-04-02 04:18:54,937 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 308 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 663 mSolverCounterSat, 180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-02 04:18:54,937 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [330 Valid, 53 Invalid, 843 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [180 Valid, 663 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-02 04:18:54,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2023-04-02 04:18:54,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 519. [2023-04-02 04:18:54,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 321 states have (on average 1.190031152647975) internal successors, (382), 343 states have internal predecessors, (382), 96 states have call successors, (96), 91 states have call predecessors, (96), 101 states have return successors, (131), 99 states have call predecessors, (131), 92 states have call successors, (131) [2023-04-02 04:18:54,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 609 transitions. [2023-04-02 04:18:54,991 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 609 transitions. Word has length 89 [2023-04-02 04:18:54,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:18:54,991 INFO L495 AbstractCegarLoop]: Abstraction has 519 states and 609 transitions. [2023-04-02 04:18:54,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (20), 5 states have call predecessors, (20), 3 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2023-04-02 04:18:54,991 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 609 transitions. [2023-04-02 04:18:54,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-04-02 04:18:54,993 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:18:54,993 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:18:54,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-02 04:18:54,994 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:18:54,994 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:18:54,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1854104606, now seen corresponding path program 1 times [2023-04-02 04:18:54,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:18:54,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543176237] [2023-04-02 04:18:54,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:18:54,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:18:55,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:55,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:18:55,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:55,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:18:55,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:55,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:18:55,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:55,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:18:55,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:55,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:18:55,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:55,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 04:18:55,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:55,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-04-02 04:18:55,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:55,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:18:55,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:55,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:18:55,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:55,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:18:55,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:55,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 04:18:55,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:55,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-04-02 04:18:55,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:55,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-04-02 04:18:55,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:55,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-04-02 04:18:55,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:55,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:18:55,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:18:55,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543176237] [2023-04-02 04:18:55,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543176237] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:18:55,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:18:55,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 04:18:55,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747552400] [2023-04-02 04:18:55,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:18:55,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 04:18:55,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:18:55,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 04:18:55,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2023-04-02 04:18:55,211 INFO L87 Difference]: Start difference. First operand 519 states and 609 transitions. Second operand has 12 states, 12 states have (on average 4.583333333333333) internal successors, (55), 7 states have internal predecessors, (55), 2 states have call successors, (20), 5 states have call predecessors, (20), 4 states have return successors, (14), 4 states have call predecessors, (14), 2 states have call successors, (14) [2023-04-02 04:18:56,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:18:56,089 INFO L93 Difference]: Finished difference Result 1063 states and 1302 transitions. [2023-04-02 04:18:56,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-04-02 04:18:56,090 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.583333333333333) internal successors, (55), 7 states have internal predecessors, (55), 2 states have call successors, (20), 5 states have call predecessors, (20), 4 states have return successors, (14), 4 states have call predecessors, (14), 2 states have call successors, (14) Word has length 89 [2023-04-02 04:18:56,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:18:56,095 INFO L225 Difference]: With dead ends: 1063 [2023-04-02 04:18:56,095 INFO L226 Difference]: Without dead ends: 568 [2023-04-02 04:18:56,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=336, Unknown=0, NotChecked=0, Total=420 [2023-04-02 04:18:56,098 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 150 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 1313 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 1376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 1313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-02 04:18:56,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 76 Invalid, 1376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 1313 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-02 04:18:56,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2023-04-02 04:18:56,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 519. [2023-04-02 04:18:56,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 325 states have (on average 1.1846153846153846) internal successors, (385), 346 states have internal predecessors, (385), 94 states have call successors, (94), 90 states have call predecessors, (94), 99 states have return successors, (128), 97 states have call predecessors, (128), 90 states have call successors, (128) [2023-04-02 04:18:56,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 607 transitions. [2023-04-02 04:18:56,170 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 607 transitions. Word has length 89 [2023-04-02 04:18:56,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:18:56,170 INFO L495 AbstractCegarLoop]: Abstraction has 519 states and 607 transitions. [2023-04-02 04:18:56,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.583333333333333) internal successors, (55), 7 states have internal predecessors, (55), 2 states have call successors, (20), 5 states have call predecessors, (20), 4 states have return successors, (14), 4 states have call predecessors, (14), 2 states have call successors, (14) [2023-04-02 04:18:56,171 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 607 transitions. [2023-04-02 04:18:56,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-04-02 04:18:56,174 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:18:56,175 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:18:56,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-02 04:18:56,175 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:18:56,175 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:18:56,175 INFO L85 PathProgramCache]: Analyzing trace with hash -172880131, now seen corresponding path program 1 times [2023-04-02 04:18:56,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:18:56,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404671978] [2023-04-02 04:18:56,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:18:56,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:18:56,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:56,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:18:56,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:56,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:18:56,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:56,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:18:56,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:56,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:18:56,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:56,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:18:56,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:56,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 04:18:56,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:56,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-04-02 04:18:56,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:56,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:18:56,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:56,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:18:56,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:56,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:18:56,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:56,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 04:18:56,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:56,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 04:18:56,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:56,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-04-02 04:18:56,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:56,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-04-02 04:18:56,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:56,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:18:56,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:18:56,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404671978] [2023-04-02 04:18:56,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404671978] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:18:56,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:18:56,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-02 04:18:56,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022146278] [2023-04-02 04:18:56,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:18:56,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 04:18:56,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:18:56,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 04:18:56,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2023-04-02 04:18:56,411 INFO L87 Difference]: Start difference. First operand 519 states and 607 transitions. Second operand has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 8 states have internal predecessors, (56), 3 states have call successors, (20), 6 states have call predecessors, (20), 4 states have return successors, (14), 5 states have call predecessors, (14), 2 states have call successors, (14) [2023-04-02 04:18:57,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:18:57,546 INFO L93 Difference]: Finished difference Result 1056 states and 1260 transitions. [2023-04-02 04:18:57,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-04-02 04:18:57,547 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 8 states have internal predecessors, (56), 3 states have call successors, (20), 6 states have call predecessors, (20), 4 states have return successors, (14), 5 states have call predecessors, (14), 2 states have call successors, (14) Word has length 90 [2023-04-02 04:18:57,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:18:57,550 INFO L225 Difference]: With dead ends: 1056 [2023-04-02 04:18:57,550 INFO L226 Difference]: Without dead ends: 561 [2023-04-02 04:18:57,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=137, Invalid=513, Unknown=0, NotChecked=0, Total=650 [2023-04-02 04:18:57,554 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 484 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 1568 mSolverCounterSat, 284 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 502 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 1852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 284 IncrementalHoareTripleChecker+Valid, 1568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-04-02 04:18:57,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [502 Valid, 242 Invalid, 1852 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [284 Valid, 1568 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-04-02 04:18:57,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2023-04-02 04:18:57,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 519. [2023-04-02 04:18:57,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 325 states have (on average 1.1692307692307693) internal successors, (380), 346 states have internal predecessors, (380), 94 states have call successors, (94), 90 states have call predecessors, (94), 99 states have return successors, (121), 97 states have call predecessors, (121), 90 states have call successors, (121) [2023-04-02 04:18:57,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 595 transitions. [2023-04-02 04:18:57,600 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 595 transitions. Word has length 90 [2023-04-02 04:18:57,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:18:57,602 INFO L495 AbstractCegarLoop]: Abstraction has 519 states and 595 transitions. [2023-04-02 04:18:57,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 8 states have internal predecessors, (56), 3 states have call successors, (20), 6 states have call predecessors, (20), 4 states have return successors, (14), 5 states have call predecessors, (14), 2 states have call successors, (14) [2023-04-02 04:18:57,602 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 595 transitions. [2023-04-02 04:18:57,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-04-02 04:18:57,604 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:18:57,604 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:18:57,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-02 04:18:57,605 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:18:57,605 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:18:57,605 INFO L85 PathProgramCache]: Analyzing trace with hash -921354836, now seen corresponding path program 1 times [2023-04-02 04:18:57,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:18:57,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023589594] [2023-04-02 04:18:57,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:18:57,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:18:57,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:57,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:18:57,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:57,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:18:57,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:57,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:18:57,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:57,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:18:57,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:57,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:18:57,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:57,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-04-02 04:18:57,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:57,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:18:57,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:57,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:18:57,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:57,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:18:57,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:57,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:18:57,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:57,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 04:18:57,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:57,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 04:18:57,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:57,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:18:57,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:57,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-04-02 04:18:57,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:57,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-04-02 04:18:57,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:57,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-04-02 04:18:57,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:57,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:18:57,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:57,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:18:57,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:57,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 04:18:57,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:57,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-04-02 04:18:57,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:57,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 04:18:57,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:57,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-04-02 04:18:57,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:57,874 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-04-02 04:18:57,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:18:57,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023589594] [2023-04-02 04:18:57,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023589594] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 04:18:57,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1231619958] [2023-04-02 04:18:57,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:18:57,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:18:57,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:18:57,885 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 04:18:57,889 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 04:18:58,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:18:58,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 22 conjunts are in the unsatisfiable core [2023-04-02 04:18:58,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 04:18:58,373 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-04-02 04:18:58,374 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 04:18:58,829 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-04-02 04:18:58,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1231619958] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-02 04:18:58,829 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-02 04:18:58,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 11] total 23 [2023-04-02 04:18:58,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939987634] [2023-04-02 04:18:58,830 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-02 04:18:58,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-04-02 04:18:58,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:18:58,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-04-02 04:18:58,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=413, Unknown=0, NotChecked=0, Total=506 [2023-04-02 04:18:58,833 INFO L87 Difference]: Start difference. First operand 519 states and 595 transitions. Second operand has 23 states, 23 states have (on average 7.217391304347826) internal successors, (166), 16 states have internal predecessors, (166), 6 states have call successors, (65), 11 states have call predecessors, (65), 12 states have return successors, (54), 8 states have call predecessors, (54), 6 states have call successors, (54) [2023-04-02 04:19:00,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:19:00,526 INFO L93 Difference]: Finished difference Result 1220 states and 1628 transitions. [2023-04-02 04:19:00,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-04-02 04:19:00,526 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 7.217391304347826) internal successors, (166), 16 states have internal predecessors, (166), 6 states have call successors, (65), 11 states have call predecessors, (65), 12 states have return successors, (54), 8 states have call predecessors, (54), 6 states have call successors, (54) Word has length 140 [2023-04-02 04:19:00,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:19:00,527 INFO L225 Difference]: With dead ends: 1220 [2023-04-02 04:19:00,527 INFO L226 Difference]: Without dead ends: 0 [2023-04-02 04:19:00,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 374 GetRequests, 318 SyntacticMatches, 11 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 530 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=546, Invalid=1616, Unknown=0, NotChecked=0, Total=2162 [2023-04-02 04:19:00,531 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 713 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 1939 mSolverCounterSat, 498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 717 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 2437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 498 IncrementalHoareTripleChecker+Valid, 1939 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-04-02 04:19:00,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [717 Valid, 405 Invalid, 2437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [498 Valid, 1939 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-04-02 04:19:00,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-02 04:19:00,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-02 04:19:00,533 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 04:19:00,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-02 04:19:00,533 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 140 [2023-04-02 04:19:00,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:19:00,534 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-02 04:19:00,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 7.217391304347826) internal successors, (166), 16 states have internal predecessors, (166), 6 states have call successors, (65), 11 states have call predecessors, (65), 12 states have return successors, (54), 8 states have call predecessors, (54), 6 states have call successors, (54) [2023-04-02 04:19:00,534 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-02 04:19:00,534 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-02 04:19:00,537 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-02 04:19:00,549 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 04:19:00,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-04-02 04:19:00,748 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-02 04:19:13,539 WARN L223 SmtUtils]: Spent 12.40s on a formula simplification. DAG size of input: 115 DAG size of output: 118 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-04-02 04:19:21,548 WARN L223 SmtUtils]: Spent 7.91s on a formula simplification. DAG size of input: 106 DAG size of output: 113 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-04-02 04:22:17,560 WARN L223 SmtUtils]: Spent 2.93m on a formula simplification. DAG size of input: 115 DAG size of output: 168 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-04-02 04:22:28,082 WARN L223 SmtUtils]: Spent 10.51s on a formula simplification. DAG size of input: 115 DAG size of output: 118 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-04-02 04:22:38,563 WARN L223 SmtUtils]: Spent 10.48s on a formula simplification. DAG size of input: 115 DAG size of output: 118 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-04-02 04:22:40,929 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-02 04:22:40,929 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 11) no Hoare annotation was computed. [2023-04-02 04:22:40,930 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-02 04:22:40,930 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2023-04-02 04:22:40,930 INFO L899 garLoopResultBuilder]: For program point L127-2(lines 127 148) no Hoare annotation was computed. [2023-04-02 04:22:40,930 INFO L899 garLoopResultBuilder]: For program point L149(lines 126 150) no Hoare annotation was computed. [2023-04-02 04:22:40,930 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeFINAL(lines 102 157) no Hoare annotation was computed. [2023-04-02 04:22:40,930 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 102 157) no Hoare annotation was computed. [2023-04-02 04:22:40,930 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 102 157) no Hoare annotation was computed. [2023-04-02 04:22:40,930 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 137) no Hoare annotation was computed. [2023-04-02 04:22:40,930 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 133 137) no Hoare annotation was computed. [2023-04-02 04:22:40,930 INFO L899 garLoopResultBuilder]: For program point L190(lines 190 194) no Hoare annotation was computed. [2023-04-02 04:22:40,930 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 190 194) no Hoare annotation was computed. [2023-04-02 04:22:40,931 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2023-04-02 04:22:40,931 INFO L899 garLoopResultBuilder]: For program point L184-2(lines 184 209) no Hoare annotation was computed. [2023-04-02 04:22:40,931 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 158 217) no Hoare annotation was computed. [2023-04-02 04:22:40,931 INFO L899 garLoopResultBuilder]: For program point L210(lines 183 211) no Hoare annotation was computed. [2023-04-02 04:22:40,931 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2023-04-02 04:22:40,931 INFO L899 garLoopResultBuilder]: For program point L203-1(line 203) no Hoare annotation was computed. [2023-04-02 04:22:40,931 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 158 217) no Hoare annotation was computed. [2023-04-02 04:22:40,931 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 158 217) no Hoare annotation was computed. [2023-04-02 04:22:40,931 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 690 698) no Hoare annotation was computed. [2023-04-02 04:22:40,931 INFO L899 garLoopResultBuilder]: For program point valid_productFINAL(lines 690 698) no Hoare annotation was computed. [2023-04-02 04:22:40,931 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 690 698) the Hoare annotation is: true [2023-04-02 04:22:40,932 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 641 663) no Hoare annotation was computed. [2023-04-02 04:22:40,932 INFO L895 garLoopResultBuilder]: At program point L653(line 653) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= main_~tmp~4 1) (= ~waterLevel~0 1))) [2023-04-02 04:22:40,932 INFO L899 garLoopResultBuilder]: For program point mainFINAL(lines 641 663) no Hoare annotation was computed. [2023-04-02 04:22:40,932 INFO L895 garLoopResultBuilder]: At program point L653-1(line 653) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= main_~tmp~4 1) (= ~waterLevel~0 1))) [2023-04-02 04:22:40,932 INFO L899 garLoopResultBuilder]: For program point L651(lines 651 658) no Hoare annotation was computed. [2023-04-02 04:22:40,932 INFO L899 garLoopResultBuilder]: For program point L651-1(lines 651 658) no Hoare annotation was computed. [2023-04-02 04:22:40,932 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 641 663) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-02 04:22:40,932 INFO L899 garLoopResultBuilder]: For program point L649(line 649) no Hoare annotation was computed. [2023-04-02 04:22:40,933 INFO L895 garLoopResultBuilder]: At program point L648(line 648) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-02 04:22:40,933 INFO L895 garLoopResultBuilder]: At program point L647(line 647) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-02 04:22:40,933 INFO L895 garLoopResultBuilder]: At program point L647-1(line 647) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-02 04:22:40,933 INFO L899 garLoopResultBuilder]: For program point L609(line 609) no Hoare annotation was computed. [2023-04-02 04:22:40,933 INFO L899 garLoopResultBuilder]: For program point L608(line 608) no Hoare annotation was computed. [2023-04-02 04:22:40,933 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 596 619) no Hoare annotation was computed. [2023-04-02 04:22:40,933 INFO L899 garLoopResultBuilder]: For program point L607(line 607) no Hoare annotation was computed. [2023-04-02 04:22:40,933 INFO L899 garLoopResultBuilder]: For program point L606(line 606) no Hoare annotation was computed. [2023-04-02 04:22:40,933 INFO L899 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2023-04-02 04:22:40,933 INFO L899 garLoopResultBuilder]: For program point L604(line 604) no Hoare annotation was computed. [2023-04-02 04:22:40,933 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 596 619) no Hoare annotation was computed. [2023-04-02 04:22:40,934 INFO L899 garLoopResultBuilder]: For program point L603(line 603) no Hoare annotation was computed. [2023-04-02 04:22:40,934 INFO L899 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2023-04-02 04:22:40,934 INFO L899 garLoopResultBuilder]: For program point L601(line 601) no Hoare annotation was computed. [2023-04-02 04:22:40,934 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 596 619) no Hoare annotation was computed. [2023-04-02 04:22:40,934 INFO L899 garLoopResultBuilder]: For program point L614(line 614) no Hoare annotation was computed. [2023-04-02 04:22:40,934 INFO L899 garLoopResultBuilder]: For program point L613(line 613) no Hoare annotation was computed. [2023-04-02 04:22:40,934 INFO L899 garLoopResultBuilder]: For program point L612(line 612) no Hoare annotation was computed. [2023-04-02 04:22:40,934 INFO L899 garLoopResultBuilder]: For program point L611(line 611) no Hoare annotation was computed. [2023-04-02 04:22:40,934 INFO L899 garLoopResultBuilder]: For program point L610(line 610) no Hoare annotation was computed. [2023-04-02 04:22:40,934 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 956 974) the Hoare annotation is: true [2023-04-02 04:22:40,934 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevelEXIT(lines 956 974) no Hoare annotation was computed. [2023-04-02 04:22:40,934 INFO L899 garLoopResultBuilder]: For program point L965(lines 965 969) no Hoare annotation was computed. [2023-04-02 04:22:40,935 INFO L902 garLoopResultBuilder]: At program point L963(line 963) the Hoare annotation is: true [2023-04-02 04:22:40,935 INFO L899 garLoopResultBuilder]: For program point L965-2(lines 965 969) no Hoare annotation was computed. [2023-04-02 04:22:40,935 INFO L899 garLoopResultBuilder]: For program point L963-1(line 963) no Hoare annotation was computed. [2023-04-02 04:22:40,935 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevelFINAL(lines 956 974) no Hoare annotation was computed. [2023-04-02 04:22:40,935 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 676 682) no Hoare annotation was computed. [2023-04-02 04:22:40,935 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 676 682) the Hoare annotation is: true [2023-04-02 04:22:40,935 INFO L899 garLoopResultBuilder]: For program point L383(lines 383 403) no Hoare annotation was computed. [2023-04-02 04:22:40,935 INFO L899 garLoopResultBuilder]: For program point L383-1(lines 383 403) no Hoare annotation was computed. [2023-04-02 04:22:40,935 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeFINAL(lines 369 414) no Hoare annotation was computed. [2023-04-02 04:22:40,935 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 369 414) no Hoare annotation was computed. [2023-04-02 04:22:40,935 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 369 414) no Hoare annotation was computed. [2023-04-02 04:22:40,935 INFO L899 garLoopResultBuilder]: For program point L389(lines 389 396) no Hoare annotation was computed. [2023-04-02 04:22:40,936 INFO L899 garLoopResultBuilder]: For program point L543(lines 543 549) no Hoare annotation was computed. [2023-04-02 04:22:40,936 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 539 552) the Hoare annotation is: true [2023-04-02 04:22:40,936 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryEXIT(lines 539 552) no Hoare annotation was computed. [2023-04-02 04:22:40,936 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryFINAL(lines 539 552) no Hoare annotation was computed. [2023-04-02 04:22:40,936 INFO L895 garLoopResultBuilder]: At program point L859(line 859) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0) (or .cse0 (< 1 ~waterLevel~0) (< |old(~pumpRunning~0)| 1)))) [2023-04-02 04:22:40,936 INFO L899 garLoopResultBuilder]: For program point L859-1(lines 840 864) no Hoare annotation was computed. [2023-04-02 04:22:40,936 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 840 864) no Hoare annotation was computed. [2023-04-02 04:22:40,936 INFO L895 garLoopResultBuilder]: At program point L854(line 854) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (< 1 ~waterLevel~0) (< |old(~pumpRunning~0)| 1)))) [2023-04-02 04:22:40,936 INFO L895 garLoopResultBuilder]: At program point L850(line 850) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (< 1 ~waterLevel~0) (< |old(~pumpRunning~0)| 1)))) [2023-04-02 04:22:40,937 INFO L899 garLoopResultBuilder]: For program point L848(lines 848 856) no Hoare annotation was computed. [2023-04-02 04:22:40,937 INFO L895 garLoopResultBuilder]: At program point L846(line 846) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (< 1 ~waterLevel~0) (< |old(~pumpRunning~0)| 1)))) [2023-04-02 04:22:40,937 INFO L899 garLoopResultBuilder]: For program point L846-1(line 846) no Hoare annotation was computed. [2023-04-02 04:22:40,937 INFO L899 garLoopResultBuilder]: For program point L844(lines 844 861) no Hoare annotation was computed. [2023-04-02 04:22:40,937 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 840 864) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (< 1 ~waterLevel~0) (< |old(~pumpRunning~0)| 1)))) [2023-04-02 04:22:40,937 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 806 812) no Hoare annotation was computed. [2023-04-02 04:22:40,937 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 806 812) the Hoare annotation is: true [2023-04-02 04:22:40,937 INFO L895 garLoopResultBuilder]: At program point L768(lines 719 769) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-02 04:22:40,937 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 710 775) no Hoare annotation was computed. [2023-04-02 04:22:40,937 INFO L899 garLoopResultBuilder]: For program point L758(lines 758 762) no Hoare annotation was computed. [2023-04-02 04:22:40,938 INFO L895 garLoopResultBuilder]: At program point L758-2(lines 750 763) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2) (and (<= 1 ~pumpRunning~0) .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)))) [2023-04-02 04:22:40,938 INFO L899 garLoopResultBuilder]: For program point L721(lines 720 767) no Hoare annotation was computed. [2023-04-02 04:22:40,938 INFO L895 garLoopResultBuilder]: At program point L752(line 752) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2) (and (<= 1 ~pumpRunning~0) .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)))) [2023-04-02 04:22:40,938 INFO L899 garLoopResultBuilder]: For program point L750(lines 750 763) no Hoare annotation was computed. [2023-04-02 04:22:40,938 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 710 775) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-02 04:22:40,938 INFO L895 garLoopResultBuilder]: At program point L742(line 742) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2) (and (<= 1 ~pumpRunning~0) .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)))) [2023-04-02 04:22:40,938 INFO L899 garLoopResultBuilder]: For program point L740(lines 740 746) no Hoare annotation was computed. [2023-04-02 04:22:40,938 INFO L899 garLoopResultBuilder]: For program point L740-1(lines 740 746) no Hoare annotation was computed. [2023-04-02 04:22:40,939 INFO L895 garLoopResultBuilder]: At program point L765(lines 720 767) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (<= 1 ~pumpRunning~0) .cse0 .cse1 (<= ~waterLevel~0 2)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) .cse0 (<= ~waterLevel~0 1) .cse1))) [2023-04-02 04:22:40,939 INFO L895 garLoopResultBuilder]: At program point L732(line 732) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) .cse0 .cse1 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (and (<= 1 ~pumpRunning~0) .cse0 .cse1 (<= ~waterLevel~0 2)) (not (= |old(~systemActive~0)| 1)))) [2023-04-02 04:22:40,939 INFO L899 garLoopResultBuilder]: For program point L730(lines 730 736) no Hoare annotation was computed. [2023-04-02 04:22:40,939 INFO L899 garLoopResultBuilder]: For program point L730-1(lines 730 736) no Hoare annotation was computed. [2023-04-02 04:22:40,939 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 726) no Hoare annotation was computed. [2023-04-02 04:22:40,939 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 710 775) no Hoare annotation was computed. [2023-04-02 04:22:40,939 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDryFINAL(lines 553 561) no Hoare annotation was computed. [2023-04-02 04:22:40,939 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 553 561) the Hoare annotation is: true [2023-04-02 04:22:40,939 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDryEXIT(lines 553 561) no Hoare annotation was computed. [2023-04-02 04:22:40,939 INFO L899 garLoopResultBuilder]: For program point L515-2(lines 515 523) no Hoare annotation was computed. [2023-04-02 04:22:40,940 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 507 529) no Hoare annotation was computed. [2023-04-02 04:22:40,940 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 507 529) no Hoare annotation was computed. [2023-04-02 04:22:40,940 INFO L899 garLoopResultBuilder]: For program point printEnvironmentFINAL(lines 507 529) no Hoare annotation was computed. [2023-04-02 04:22:40,940 INFO L899 garLoopResultBuilder]: For program point L515(lines 515 523) no Hoare annotation was computed. [2023-04-02 04:22:40,940 INFO L899 garLoopResultBuilder]: For program point activatePumpFINAL(lines 865 872) no Hoare annotation was computed. [2023-04-02 04:22:40,940 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 865 872) no Hoare annotation was computed. [2023-04-02 04:22:40,940 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 865 872) the Hoare annotation is: (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2023-04-02 04:22:40,940 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 530 538) the Hoare annotation is: true [2023-04-02 04:22:40,940 INFO L899 garLoopResultBuilder]: For program point getWaterLevelFINAL(lines 530 538) no Hoare annotation was computed. [2023-04-02 04:22:40,940 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 530 538) no Hoare annotation was computed. [2023-04-02 04:22:40,940 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelEXIT(lines 937 955) no Hoare annotation was computed. [2023-04-02 04:22:40,940 INFO L902 garLoopResultBuilder]: At program point L944(line 944) the Hoare annotation is: true [2023-04-02 04:22:40,941 INFO L899 garLoopResultBuilder]: For program point L946-2(lines 946 950) no Hoare annotation was computed. [2023-04-02 04:22:40,941 INFO L899 garLoopResultBuilder]: For program point L944-1(line 944) no Hoare annotation was computed. [2023-04-02 04:22:40,941 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 937 955) the Hoare annotation is: true [2023-04-02 04:22:40,941 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelFINAL(lines 937 955) no Hoare annotation was computed. [2023-04-02 04:22:40,941 INFO L899 garLoopResultBuilder]: For program point L946(lines 946 950) no Hoare annotation was computed. [2023-04-02 04:22:40,941 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 498 506) the Hoare annotation is: true [2023-04-02 04:22:40,941 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 498 506) no Hoare annotation was computed. [2023-04-02 04:22:40,941 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 498 506) no Hoare annotation was computed. [2023-04-02 04:22:40,941 INFO L895 garLoopResultBuilder]: At program point L795(line 795) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (<= ~waterLevel~0 1)) (.cse7 (= 1 ~systemActive~0))) (let ((.cse0 (and .cse3 .cse4 .cse7 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|))) (.cse2 (< |old(~pumpRunning~0)| 1)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not .cse7)) (.cse6 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 .cse1 (and .cse3 .cse4 .cse5) .cse2 .cse6) (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse5) .cse1 .cse6)))) [2023-04-02 04:22:40,942 INFO L895 garLoopResultBuilder]: At program point L793(lines 793 799) the Hoare annotation is: (let ((.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (= 1 ~systemActive~0)) (.cse11 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse9 (= ~pumpRunning~0 0)) (.cse8 (<= ~waterLevel~0 1)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse4 (and .cse9 .cse8 .cse5)) (.cse0 (and .cse7 .cse8 .cse10 .cse11)) (.cse1 (not .cse10)) (.cse2 (< |old(~pumpRunning~0)| 1)) (.cse6 (< 2 |old(~waterLevel~0)|)) (.cse3 (and .cse9 .cse8 .cse10 .cse11))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2 .cse3) (or .cse4 (not (= |old(~pumpRunning~0)| 0)) .cse1 (and (<= 1 ~pumpRunning~0) .cse5) .cse6) (or .cse4 .cse0 .cse1 (and .cse7 .cse8 .cse5) .cse2 .cse6 .cse3)))) [2023-04-02 04:22:40,942 INFO L895 garLoopResultBuilder]: At program point L788(line 788) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (< 2 |old(~waterLevel~0)|))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (< |old(~pumpRunning~0)| 1) .cse1))) [2023-04-02 04:22:40,942 INFO L899 garLoopResultBuilder]: For program point L786(lines 785 804) no Hoare annotation was computed. [2023-04-02 04:22:40,942 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 782 805) no Hoare annotation was computed. [2023-04-02 04:22:40,942 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 782 805) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (< |old(~pumpRunning~0)| 1) .cse2) (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse1) .cse0 .cse2))) [2023-04-02 04:22:40,942 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 782 805) no Hoare annotation was computed. [2023-04-02 04:22:40,942 INFO L899 garLoopResultBuilder]: For program point L576(line 576) no Hoare annotation was computed. [2023-04-02 04:22:40,942 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 565 594) no Hoare annotation was computed. [2023-04-02 04:22:40,942 INFO L902 garLoopResultBuilder]: At program point L575-2(lines 575 589) the Hoare annotation is: true [2023-04-02 04:22:40,942 INFO L902 garLoopResultBuilder]: At program point L571(line 571) the Hoare annotation is: true [2023-04-02 04:22:40,943 INFO L899 garLoopResultBuilder]: For program point L571-1(line 571) no Hoare annotation was computed. [2023-04-02 04:22:40,943 INFO L902 garLoopResultBuilder]: At program point L590(lines 565 594) the Hoare annotation is: true [2023-04-02 04:22:40,943 INFO L899 garLoopResultBuilder]: For program point L586(line 586) no Hoare annotation was computed. [2023-04-02 04:22:40,943 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 565 594) the Hoare annotation is: true [2023-04-02 04:22:40,943 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 583) no Hoare annotation was computed. [2023-04-02 04:22:40,943 INFO L902 garLoopResultBuilder]: At program point L579-1(lines 579 583) the Hoare annotation is: true [2023-04-02 04:22:40,943 INFO L899 garLoopResultBuilder]: For program point L466-1(lines 462 473) no Hoare annotation was computed. [2023-04-02 04:22:40,943 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 462 473) no Hoare annotation was computed. [2023-04-02 04:22:40,943 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 462 473) the Hoare annotation is: (or (< ~pumpRunning~0 1) (not (= 1 ~systemActive~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (< 2 |old(~waterLevel~0)|)) [2023-04-02 04:22:40,943 INFO L899 garLoopResultBuilder]: For program point startSystemEXIT(lines 975 982) no Hoare annotation was computed. [2023-04-02 04:22:40,943 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 975 982) the Hoare annotation is: (let ((.cse0 (< 2 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 (not (= ~pumpRunning~0 0)) .cse1 .cse2) (or .cse0 (< ~pumpRunning~0 1) .cse1 .cse2))) [2023-04-02 04:22:40,943 INFO L899 garLoopResultBuilder]: For program point startSystemFINAL(lines 975 982) no Hoare annotation was computed. [2023-04-02 04:22:40,944 INFO L895 garLoopResultBuilder]: At program point L833(line 833) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (< 1 ~waterLevel~0) (< |old(~pumpRunning~0)| 1)))) [2023-04-02 04:22:40,944 INFO L899 garLoopResultBuilder]: For program point L833-1(lines 814 838) no Hoare annotation was computed. [2023-04-02 04:22:40,944 INFO L895 garLoopResultBuilder]: At program point L828(line 828) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (< 1 ~waterLevel~0) (< |old(~pumpRunning~0)| 1)) (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) .cse0 (and (= ~pumpRunning~0 0) (= processEnvironment__wrappee__highWaterSensor_~tmp~6 0) (<= ~waterLevel~0 1))))) [2023-04-02 04:22:40,944 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 814 838) no Hoare annotation was computed. [2023-04-02 04:22:40,944 INFO L895 garLoopResultBuilder]: At program point L824(line 824) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (< 1 ~waterLevel~0) (< |old(~pumpRunning~0)| 1)) (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) .cse0 (and (= ~pumpRunning~0 0) (not (= processEnvironment__wrappee__highWaterSensor_~tmp~6 0)))))) [2023-04-02 04:22:40,944 INFO L899 garLoopResultBuilder]: For program point L822(lines 822 830) no Hoare annotation was computed. [2023-04-02 04:22:40,944 INFO L895 garLoopResultBuilder]: At program point L820(line 820) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0) (or .cse0 (< 1 ~waterLevel~0) (< |old(~pumpRunning~0)| 1)))) [2023-04-02 04:22:40,944 INFO L899 garLoopResultBuilder]: For program point L820-1(line 820) no Hoare annotation was computed. [2023-04-02 04:22:40,944 INFO L899 garLoopResultBuilder]: For program point L818(lines 818 835) no Hoare annotation was computed. [2023-04-02 04:22:40,944 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 814 838) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (< 1 ~waterLevel~0) (< |old(~pumpRunning~0)| 1)))) [2023-04-02 04:22:40,945 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 474 485) no Hoare annotation was computed. [2023-04-02 04:22:40,945 INFO L899 garLoopResultBuilder]: For program point L478-1(lines 474 485) no Hoare annotation was computed. [2023-04-02 04:22:40,945 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 474 485) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (< ~pumpRunning~0 1) .cse0 .cse1 (< 2 |old(~waterLevel~0)|)) (or (< 1 |old(~waterLevel~0)|) (not (= ~pumpRunning~0 0)) .cse0 .cse1))) [2023-04-02 04:22:40,945 INFO L899 garLoopResultBuilder]: For program point __automaton_failFINAL(lines 700 707) no Hoare annotation was computed. [2023-04-02 04:22:40,945 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 700 707) the Hoare annotation is: true [2023-04-02 04:22:40,945 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 704) no Hoare annotation was computed. [2023-04-02 04:22:40,945 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 700 707) no Hoare annotation was computed. [2023-04-02 04:22:40,945 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 683 689) the Hoare annotation is: true [2023-04-02 04:22:40,945 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 683 689) no Hoare annotation was computed. [2023-04-02 04:22:40,945 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 892 900) no Hoare annotation was computed. [2023-04-02 04:22:40,945 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 892 900) no Hoare annotation was computed. [2023-04-02 04:22:40,946 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 892 900) the Hoare annotation is: true [2023-04-02 04:22:40,946 INFO L899 garLoopResultBuilder]: For program point L920(lines 920 928) no Hoare annotation was computed. [2023-04-02 04:22:40,946 INFO L899 garLoopResultBuilder]: For program point L920-2(lines 920 928) no Hoare annotation was computed. [2023-04-02 04:22:40,946 INFO L899 garLoopResultBuilder]: For program point printPumpFINAL(lines 901 936) no Hoare annotation was computed. [2023-04-02 04:22:40,946 INFO L899 garLoopResultBuilder]: For program point L908(lines 908 916) no Hoare annotation was computed. [2023-04-02 04:22:40,946 INFO L899 garLoopResultBuilder]: For program point L908-2(lines 908 916) no Hoare annotation was computed. [2023-04-02 04:22:40,946 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 901 936) no Hoare annotation was computed. [2023-04-02 04:22:40,946 INFO L899 garLoopResultBuilder]: For program point L931(line 931) no Hoare annotation was computed. [2023-04-02 04:22:40,946 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 901 936) no Hoare annotation was computed. [2023-04-02 04:22:40,946 INFO L899 garLoopResultBuilder]: For program point L931-1(line 931) no Hoare annotation was computed. [2023-04-02 04:22:40,946 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 56 101) no Hoare annotation was computed. [2023-04-02 04:22:40,946 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 56 101) no Hoare annotation was computed. [2023-04-02 04:22:40,947 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setFINAL(lines 56 101) no Hoare annotation was computed. [2023-04-02 04:22:40,947 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 628 637) no Hoare annotation was computed. [2023-04-02 04:22:40,947 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 628 637) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-04-02 04:22:40,947 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 628 637) no Hoare annotation was computed. [2023-04-02 04:22:40,947 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 881 891) no Hoare annotation was computed. [2023-04-02 04:22:40,947 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 881 891) no Hoare annotation was computed. [2023-04-02 04:22:40,947 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 881 891) no Hoare annotation was computed. [2023-04-02 04:22:40,947 INFO L899 garLoopResultBuilder]: For program point L886(line 886) no Hoare annotation was computed. [2023-04-02 04:22:40,947 INFO L899 garLoopResultBuilder]: For program point L886-1(line 886) no Hoare annotation was computed. [2023-04-02 04:22:40,947 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 873 880) no Hoare annotation was computed. [2023-04-02 04:22:40,947 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 873 880) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (< 1 ~waterLevel~0) (< |old(~pumpRunning~0)| 1)) [2023-04-02 04:22:40,947 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 873 880) no Hoare annotation was computed. [2023-04-02 04:22:40,948 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 350) no Hoare annotation was computed. [2023-04-02 04:22:40,948 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 323 368) no Hoare annotation was computed. [2023-04-02 04:22:40,948 INFO L899 garLoopResultBuilder]: For program point L337(lines 337 357) no Hoare annotation was computed. [2023-04-02 04:22:40,948 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argFINAL(lines 323 368) no Hoare annotation was computed. [2023-04-02 04:22:40,948 INFO L899 garLoopResultBuilder]: For program point L337-1(lines 337 357) no Hoare annotation was computed. [2023-04-02 04:22:40,948 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 323 368) no Hoare annotation was computed. [2023-04-02 04:22:40,948 INFO L899 garLoopResultBuilder]: For program point L285(line 285) no Hoare annotation was computed. [2023-04-02 04:22:40,948 INFO L899 garLoopResultBuilder]: For program point L285-1(line 285) no Hoare annotation was computed. [2023-04-02 04:22:40,948 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 248) no Hoare annotation was computed. [2023-04-02 04:22:40,948 INFO L899 garLoopResultBuilder]: For program point L308(lines 308 319) no Hoare annotation was computed. [2023-04-02 04:22:40,948 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 275) no Hoare annotation was computed. [2023-04-02 04:22:40,949 INFO L899 garLoopResultBuilder]: For program point L269-2(lines 269 289) no Hoare annotation was computed. [2023-04-02 04:22:40,949 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 220 322) no Hoare annotation was computed. [2023-04-02 04:22:40,949 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 220 322) no Hoare annotation was computed. [2023-04-02 04:22:40,949 INFO L899 garLoopResultBuilder]: For program point L290(lines 268 291) no Hoare annotation was computed. [2023-04-02 04:22:40,949 INFO L899 garLoopResultBuilder]: For program point L249(lines 249 265) no Hoare annotation was computed. [2023-04-02 04:22:40,949 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 316) no Hoare annotation was computed. [2023-04-02 04:22:40,949 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 220 322) no Hoare annotation was computed. [2023-04-02 04:22:40,949 INFO L899 garLoopResultBuilder]: For program point L270(lines 269 289) no Hoare annotation was computed. [2023-04-02 04:22:40,949 INFO L899 garLoopResultBuilder]: For program point L301(line 301) no Hoare annotation was computed. [2023-04-02 04:22:40,949 INFO L899 garLoopResultBuilder]: For program point L301-1(line 301) no Hoare annotation was computed. [2023-04-02 04:22:40,949 INFO L899 garLoopResultBuilder]: For program point L266(lines 266 307) no Hoare annotation was computed. [2023-04-02 04:22:40,949 INFO L899 garLoopResultBuilder]: For program point select_oneFINAL(lines 666 675) no Hoare annotation was computed. [2023-04-02 04:22:40,949 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 666 675) no Hoare annotation was computed. [2023-04-02 04:22:40,949 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 666 675) no Hoare annotation was computed. [2023-04-02 04:22:40,950 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:22:40,950 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~head~0.base)| ~head~0.base) (= ~head~0.offset |old(~head~0.offset)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~systemActive~0)| ~systemActive~0) (= |old(#NULL.base)| |#NULL.base|)) [2023-04-02 04:22:40,950 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:22:40,950 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:22:40,950 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:22:40,950 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-02 04:22:40,950 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 486 497) the Hoare annotation is: (let ((.cse0 (< 2 ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 (not (= ~pumpRunning~0 0)) .cse1 .cse2) (or .cse0 (< ~pumpRunning~0 1) .cse1 .cse2))) [2023-04-02 04:22:40,950 INFO L899 garLoopResultBuilder]: For program point L490-1(lines 486 497) no Hoare annotation was computed. [2023-04-02 04:22:40,950 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 486 497) no Hoare annotation was computed. [2023-04-02 04:22:40,950 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification3_spec__1EXIT(lines 420 452) no Hoare annotation was computed. [2023-04-02 04:22:40,950 INFO L895 garLoopResultBuilder]: At program point L443(line 443) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= ~pumpRunning~0 0)) .cse0 (< 1 ~waterLevel~0)) (or (< 2 ~waterLevel~0) (< ~pumpRunning~0 1) .cse0))) [2023-04-02 04:22:40,951 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 445) no Hoare annotation was computed. [2023-04-02 04:22:40,951 INFO L895 garLoopResultBuilder]: At program point L437(line 437) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (< 1 ~waterLevel~0))) (and (or (not (= ~pumpRunning~0 0)) .cse0 .cse1) (or (< ~pumpRunning~0 1) .cse0 .cse1))) [2023-04-02 04:22:40,951 INFO L899 garLoopResultBuilder]: For program point L437-1(line 437) no Hoare annotation was computed. [2023-04-02 04:22:40,951 INFO L899 garLoopResultBuilder]: For program point L435(lines 435 448) no Hoare annotation was computed. [2023-04-02 04:22:40,951 INFO L899 garLoopResultBuilder]: For program point L435-1(lines 420 452) no Hoare annotation was computed. [2023-04-02 04:22:40,951 INFO L902 garLoopResultBuilder]: At program point L433(line 433) the Hoare annotation is: true [2023-04-02 04:22:40,951 INFO L899 garLoopResultBuilder]: For program point L433-1(line 433) no Hoare annotation was computed. [2023-04-02 04:22:40,951 INFO L899 garLoopResultBuilder]: For program point L429(lines 429 449) no Hoare annotation was computed. [2023-04-02 04:22:40,951 INFO L902 garLoopResultBuilder]: At program point L427(line 427) the Hoare annotation is: true [2023-04-02 04:22:40,951 INFO L899 garLoopResultBuilder]: For program point L427-1(line 427) no Hoare annotation was computed. [2023-04-02 04:22:40,951 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 420 452) the Hoare annotation is: true [2023-04-02 04:22:40,951 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 620 626) no Hoare annotation was computed. [2023-04-02 04:22:40,952 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 620 626) the Hoare annotation is: true [2023-04-02 04:22:40,952 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-02 04:22:40,952 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 04:22:40,952 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-02 04:22:40,952 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-02 04:22:40,955 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:22:40,957 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-02 04:22:40,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.04 04:22:40 BoogieIcfgContainer [2023-04-02 04:22:40,975 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-02 04:22:40,976 INFO L158 Benchmark]: Toolchain (without parser) took 234164.21ms. Allocated memory was 188.7MB in the beginning and 823.1MB in the end (delta: 634.4MB). Free memory was 141.4MB in the beginning and 736.7MB in the end (delta: -595.4MB). Peak memory consumption was 491.4MB. Max. memory is 8.0GB. [2023-04-02 04:22:40,976 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 188.7MB. Free memory is still 135.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-02 04:22:40,977 INFO L158 Benchmark]: CACSL2BoogieTranslator took 401.84ms. Allocated memory is still 188.7MB. Free memory was 141.4MB in the beginning and 122.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-04-02 04:22:40,977 INFO L158 Benchmark]: Boogie Preprocessor took 71.08ms. Allocated memory is still 188.7MB. Free memory was 122.5MB in the beginning and 119.0MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-04-02 04:22:40,977 INFO L158 Benchmark]: RCFGBuilder took 1005.72ms. Allocated memory was 188.7MB in the beginning and 274.7MB in the end (delta: 86.0MB). Free memory was 119.0MB in the beginning and 225.8MB in the end (delta: -106.8MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2023-04-02 04:22:40,978 INFO L158 Benchmark]: TraceAbstraction took 232677.99ms. Allocated memory was 274.7MB in the beginning and 823.1MB in the end (delta: 548.4MB). Free memory was 225.2MB in the beginning and 736.7MB in the end (delta: -511.5MB). Peak memory consumption was 488.3MB. Max. memory is 8.0GB. [2023-04-02 04:22:40,979 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 188.7MB. Free memory is still 135.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 401.84ms. Allocated memory is still 188.7MB. Free memory was 141.4MB in the beginning and 122.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 71.08ms. Allocated memory is still 188.7MB. Free memory was 122.5MB in the beginning and 119.0MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1005.72ms. Allocated memory was 188.7MB in the beginning and 274.7MB in the end (delta: 86.0MB). Free memory was 119.0MB in the beginning and 225.8MB in the end (delta: -106.8MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * TraceAbstraction took 232677.99ms. Allocated memory was 274.7MB in the beginning and 823.1MB in the end (delta: 548.4MB). Free memory was 225.2MB in the beginning and 736.7MB in the end (delta: -511.5MB). Peak memory consumption was 488.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 704]: 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 42 procedures, 245 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 232.6s, OverallIterations: 10, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 220.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3161 SdHoareTripleChecker+Valid, 5.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3017 mSDsluCounter, 1110 SdHoareTripleChecker+Invalid, 4.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 966 mSDsCounter, 1727 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8812 IncrementalHoareTripleChecker+Invalid, 10539 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1727 mSolverCounterUnsat, 144 mSDtfsCounter, 8812 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 719 GetRequests, 557 SyntacticMatches, 11 SemanticMatches, 151 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 735 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=519occurred in iteration=6, InterpolantAutomatonStates: 124, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 394 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 1451 PreInvPairs, 1691 NumberOfFragments, 1238 HoareAnnotationTreeSize, 1451 FomulaSimplifications, 4970453 FormulaSimplificationTreeSizeReduction, 218.0s HoareSimplificationTime, 62 FomulaSimplificationsInter, 39970 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 956 NumberOfCodeBlocks, 956 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1084 ConstructedInterpolants, 0 QuantifiedInterpolants, 2162 SizeOfPredicates, 6 NumberOfNonLiveVariables, 492 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 56/75 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: 720]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && waterLevel <= 2)) || !(\old(systemActive) == 1)) || (((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 1) && 1 == systemActive) - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1) - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 565]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-04-02 04:22:41,006 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...