/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 01:15:57,786 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 01:15:57,787 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 01:15:57,811 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 01:15:57,812 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 01:15:57,815 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 01:15:57,816 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 01:15:57,817 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 01:15:57,818 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 01:15:57,818 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 01:15:57,821 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 01:15:57,821 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 01:15:57,822 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 01:15:57,822 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 01:15:57,823 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 01:15:57,824 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 01:15:57,824 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 01:15:57,825 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 01:15:57,826 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 01:15:57,827 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 01:15:57,828 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 01:15:57,832 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 01:15:57,832 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 01:15:57,833 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 01:15:57,835 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 01:15:57,835 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 01:15:57,835 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 01:15:57,836 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 01:15:57,836 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 01:15:57,837 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 01:15:57,837 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 01:15:57,837 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 01:15:57,838 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 01:15:57,838 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 01:15:57,839 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 01:15:57,839 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 01:15:57,840 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 01:15:57,840 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 01:15:57,840 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 01:15:57,848 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 01:15:57,849 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 01:15:57,850 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 [2023-03-31 01:15:57,872 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 01:15:57,872 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 01:15:57,872 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 01:15:57,872 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 01:15:57,873 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 01:15:57,873 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 01:15:57,873 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-31 01:15:57,873 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-31 01:15:57,874 INFO L138 SettingsManager]: * Use SBE=true [2023-03-31 01:15:57,874 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 01:15:57,874 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 01:15:57,874 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 01:15:57,874 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 01:15:57,874 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 01:15:57,874 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 01:15:57,874 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 01:15:57,874 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 01:15:57,874 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 01:15:57,874 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 01:15:57,874 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 01:15:57,875 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 01:15:57,875 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 01:15:57,875 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-31 01:15:57,875 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 01:15:57,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 01:15:57,875 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 01:15:57,875 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 01:15:57,875 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 01:15:57,875 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-31 01:15:57,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 01:15:57,875 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-31 01:15:57,876 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 01:15:57,876 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-31 01:15:57,876 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-31 01:15:57,876 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-31 01:15:57,876 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-31 01:15:58,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 01:15:58,107 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 01:15:58,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 01:15:58,110 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 01:15:58,112 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 01:15:58,113 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c [2023-03-31 01:15:59,021 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 01:15:59,278 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 01:15:59,280 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c [2023-03-31 01:15:59,287 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c4e0c0d1/9d7312fff5b2455ca3a7fb2e7cd2f8f2/FLAGe60951f66 [2023-03-31 01:15:59,298 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c4e0c0d1/9d7312fff5b2455ca3a7fb2e7cd2f8f2 [2023-03-31 01:15:59,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 01:15:59,301 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 01:15:59,302 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 01:15:59,302 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 01:15:59,304 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 01:15:59,305 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 01:15:59" (1/1) ... [2023-03-31 01:15:59,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1538d7ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:59, skipping insertion in model container [2023-03-31 01:15:59,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 01:15:59" (1/1) ... [2023-03-31 01:15:59,310 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 01:15:59,351 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 01:15:59,514 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c[18691,18704] [2023-03-31 01:15:59,517 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 01:15:59,525 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 01:15:59,580 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c[18691,18704] [2023-03-31 01:15:59,581 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 01:15:59,600 INFO L208 MainTranslator]: Completed translation [2023-03-31 01:15:59,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:59 WrapperNode [2023-03-31 01:15:59,600 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 01:15:59,601 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 01:15:59,601 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 01:15:59,601 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 01:15:59,615 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:59" (1/1) ... [2023-03-31 01:15:59,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:59" (1/1) ... [2023-03-31 01:15:59,637 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:59" (1/1) ... [2023-03-31 01:15:59,638 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:59" (1/1) ... [2023-03-31 01:15:59,659 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:59" (1/1) ... [2023-03-31 01:15:59,664 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:59" (1/1) ... [2023-03-31 01:15:59,666 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:59" (1/1) ... [2023-03-31 01:15:59,667 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:59" (1/1) ... [2023-03-31 01:15:59,671 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 01:15:59,671 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 01:15:59,672 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 01:15:59,672 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 01:15:59,676 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:59" (1/1) ... [2023-03-31 01:15:59,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 01:15:59,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:15:59,697 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) [2023-03-31 01:15:59,713 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 [2023-03-31 01:15:59,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 01:15:59,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 01:15:59,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 01:15:59,729 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 01:15:59,729 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 01:15:59,729 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-03-31 01:15:59,730 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-03-31 01:15:59,730 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-03-31 01:15:59,730 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-03-31 01:15:59,730 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2023-03-31 01:15:59,732 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-03-31 01:15:59,733 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-03-31 01:15:59,733 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-03-31 01:15:59,733 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-03-31 01:15:59,733 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-03-31 01:15:59,733 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-03-31 01:15:59,733 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2023-03-31 01:15:59,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2023-03-31 01:15:59,733 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-03-31 01:15:59,733 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-03-31 01:15:59,733 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-03-31 01:15:59,733 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-03-31 01:15:59,733 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-03-31 01:15:59,734 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-03-31 01:15:59,734 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-03-31 01:15:59,734 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2023-03-31 01:15:59,734 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 01:15:59,734 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 01:15:59,734 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 01:15:59,734 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 01:15:59,734 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-03-31 01:15:59,734 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-03-31 01:15:59,734 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 01:15:59,734 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-03-31 01:15:59,734 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 01:15:59,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 01:15:59,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 01:15:59,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 01:15:59,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 01:15:59,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 01:15:59,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 01:15:59,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 01:15:59,735 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 01:15:59,735 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 01:15:59,735 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 01:15:59,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 01:15:59,735 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 01:15:59,735 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 01:15:59,736 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-03-31 01:15:59,736 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-03-31 01:15:59,736 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-03-31 01:15:59,736 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-03-31 01:15:59,736 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 01:15:59,736 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-03-31 01:15:59,736 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-03-31 01:15:59,736 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-03-31 01:15:59,736 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-03-31 01:15:59,736 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2023-03-31 01:15:59,736 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-03-31 01:15:59,736 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-03-31 01:15:59,736 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-03-31 01:15:59,737 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-03-31 01:15:59,737 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2023-03-31 01:15:59,737 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-03-31 01:15:59,737 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-03-31 01:15:59,737 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-03-31 01:15:59,737 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-03-31 01:15:59,737 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2023-03-31 01:15:59,737 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2023-03-31 01:15:59,737 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-03-31 01:15:59,737 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 01:15:59,737 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-03-31 01:15:59,737 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 01:15:59,738 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 01:15:59,738 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 01:15:59,738 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 01:15:59,738 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-03-31 01:15:59,738 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 01:15:59,738 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-03-31 01:15:59,738 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 01:15:59,738 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 01:15:59,738 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 01:15:59,738 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 01:15:59,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 01:15:59,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 01:15:59,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 01:15:59,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 01:15:59,739 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 01:15:59,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 01:15:59,739 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 01:15:59,739 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 01:15:59,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 01:15:59,739 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 01:15:59,739 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 01:15:59,739 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 01:15:59,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 01:15:59,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 01:15:59,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 01:15:59,885 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 01:15:59,888 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 01:16:00,375 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 01:16:00,408 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 01:16:00,408 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-03-31 01:16:00,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 01:16:00 BoogieIcfgContainer [2023-03-31 01:16:00,413 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 01:16:00,415 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 01:16:00,415 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 01:16:00,417 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 01:16:00,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 01:15:59" (1/3) ... [2023-03-31 01:16:00,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32865abe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 01:16:00, skipping insertion in model container [2023-03-31 01:16:00,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:59" (2/3) ... [2023-03-31 01:16:00,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32865abe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 01:16:00, skipping insertion in model container [2023-03-31 01:16:00,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 01:16:00" (3/3) ... [2023-03-31 01:16:00,421 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product57.cil.c [2023-03-31 01:16:00,433 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 01:16:00,433 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 01:16:00,468 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 01:16:00,473 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;@612dbfb4, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-31 01:16:00,473 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 01:16:00,476 INFO L276 IsEmpty]: Start isEmpty. Operand has 186 states, 104 states have (on average 1.2884615384615385) internal successors, (134), 117 states have internal predecessors, (134), 48 states have call successors, (48), 31 states have call predecessors, (48), 31 states have return successors, (48), 44 states have call predecessors, (48), 48 states have call successors, (48) [2023-03-31 01:16:00,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-03-31 01:16:00,483 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:16:00,484 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:16:00,484 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:16:00,494 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:16:00,494 INFO L85 PathProgramCache]: Analyzing trace with hash -1191185287, now seen corresponding path program 1 times [2023-03-31 01:16:00,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:16:00,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373652471] [2023-03-31 01:16:00,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:00,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:16:00,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:00,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:16:00,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:00,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:16:00,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:00,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:16:00,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:00,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:16:00,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:00,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:16:00,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:00,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-03-31 01:16:00,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:00,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-03-31 01:16:00,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:00,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:16:00,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:16:00,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373652471] [2023-03-31 01:16:00,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373652471] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:16:00,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:16:00,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-31 01:16:00,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158876546] [2023-03-31 01:16:00,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:16:00,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 01:16:00,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:16:00,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 01:16:00,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 01:16:00,762 INFO L87 Difference]: Start difference. First operand has 186 states, 104 states have (on average 1.2884615384615385) internal successors, (134), 117 states have internal predecessors, (134), 48 states have call successors, (48), 31 states have call predecessors, (48), 31 states have return successors, (48), 44 states have call predecessors, (48), 48 states have call successors, (48) Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-03-31 01:16:01,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:16:01,225 INFO L93 Difference]: Finished difference Result 329 states and 422 transitions. [2023-03-31 01:16:01,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 01:16:01,227 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 46 [2023-03-31 01:16:01,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:16:01,240 INFO L225 Difference]: With dead ends: 329 [2023-03-31 01:16:01,240 INFO L226 Difference]: Without dead ends: 177 [2023-03-31 01:16:01,244 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 01:16:01,248 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 107 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-03-31 01:16:01,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 20 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-03-31 01:16:01,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2023-03-31 01:16:01,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 143. [2023-03-31 01:16:01,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 85 states have (on average 1.2352941176470589) internal successors, (105), 95 states have internal predecessors, (105), 33 states have call successors, (33), 29 states have call predecessors, (33), 24 states have return successors, (28), 24 states have call predecessors, (28), 28 states have call successors, (28) [2023-03-31 01:16:01,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 166 transitions. [2023-03-31 01:16:01,317 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 166 transitions. Word has length 46 [2023-03-31 01:16:01,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:16:01,318 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 166 transitions. [2023-03-31 01:16:01,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-03-31 01:16:01,318 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 166 transitions. [2023-03-31 01:16:01,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-03-31 01:16:01,321 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:16:01,321 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:16:01,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 01:16:01,322 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:16:01,325 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:16:01,325 INFO L85 PathProgramCache]: Analyzing trace with hash 1555764021, now seen corresponding path program 1 times [2023-03-31 01:16:01,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:16:01,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541786251] [2023-03-31 01:16:01,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:01,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:16:01,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:01,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:16:01,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:01,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:16:01,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:01,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:16:01,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:01,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:16:01,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:01,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:16:01,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:01,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-03-31 01:16:01,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:01,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 01:16:01,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:01,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:16:01,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:16:01,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541786251] [2023-03-31 01:16:01,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541786251] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:16:01,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:16:01,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-03-31 01:16:01,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996701988] [2023-03-31 01:16:01,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:16:01,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-03-31 01:16:01,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:16:01,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-03-31 01:16:01,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-03-31 01:16:01,433 INFO L87 Difference]: Start difference. First operand 143 states and 166 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-03-31 01:16:01,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:16:01,757 INFO L93 Difference]: Finished difference Result 262 states and 313 transitions. [2023-03-31 01:16:01,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-31 01:16:01,758 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 47 [2023-03-31 01:16:01,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:16:01,759 INFO L225 Difference]: With dead ends: 262 [2023-03-31 01:16:01,759 INFO L226 Difference]: Without dead ends: 161 [2023-03-31 01:16:01,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-03-31 01:16:01,761 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 117 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-03-31 01:16:01,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 27 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-03-31 01:16:01,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2023-03-31 01:16:01,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 134. [2023-03-31 01:16:01,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 79 states have (on average 1.240506329113924) internal successors, (98), 89 states have internal predecessors, (98), 30 states have call successors, (30), 28 states have call predecessors, (30), 24 states have return successors, (26), 22 states have call predecessors, (26), 26 states have call successors, (26) [2023-03-31 01:16:01,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 154 transitions. [2023-03-31 01:16:01,781 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 154 transitions. Word has length 47 [2023-03-31 01:16:01,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:16:01,781 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 154 transitions. [2023-03-31 01:16:01,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-03-31 01:16:01,782 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 154 transitions. [2023-03-31 01:16:01,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-03-31 01:16:01,783 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:16:01,783 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:16:01,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-31 01:16:01,783 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:16:01,783 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:16:01,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1218205672, now seen corresponding path program 1 times [2023-03-31 01:16:01,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:16:01,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571837526] [2023-03-31 01:16:01,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:01,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:16:01,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:01,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:16:01,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:01,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:16:01,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:01,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:16:01,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:01,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:16:01,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:01,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:16:01,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:01,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-03-31 01:16:01,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:01,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-03-31 01:16:01,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:01,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:16:01,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:16:01,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571837526] [2023-03-31 01:16:01,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571837526] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:16:01,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:16:01,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-03-31 01:16:01,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576890074] [2023-03-31 01:16:01,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:16:01,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-31 01:16:01,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:16:01,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-31 01:16:01,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-03-31 01:16:01,951 INFO L87 Difference]: Start difference. First operand 134 states and 154 transitions. Second operand has 8 states, 8 states have (on average 3.875) internal successors, (31), 6 states have internal predecessors, (31), 4 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-03-31 01:16:02,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:16:02,454 INFO L93 Difference]: Finished difference Result 271 states and 327 transitions. [2023-03-31 01:16:02,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-31 01:16:02,455 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 6 states have internal predecessors, (31), 4 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 51 [2023-03-31 01:16:02,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:16:02,456 INFO L225 Difference]: With dead ends: 271 [2023-03-31 01:16:02,456 INFO L226 Difference]: Without dead ends: 161 [2023-03-31 01:16:02,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2023-03-31 01:16:02,458 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 311 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 165 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 165 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-03-31 01:16:02,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 36 Invalid, 798 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [165 Valid, 633 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-03-31 01:16:02,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2023-03-31 01:16:02,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 134. [2023-03-31 01:16:02,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 79 states have (on average 1.2278481012658229) internal successors, (97), 88 states have internal predecessors, (97), 30 states have call successors, (30), 28 states have call predecessors, (30), 24 states have return successors, (26), 22 states have call predecessors, (26), 26 states have call successors, (26) [2023-03-31 01:16:02,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 153 transitions. [2023-03-31 01:16:02,494 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 153 transitions. Word has length 51 [2023-03-31 01:16:02,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:16:02,495 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 153 transitions. [2023-03-31 01:16:02,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 6 states have internal predecessors, (31), 4 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-03-31 01:16:02,495 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 153 transitions. [2023-03-31 01:16:02,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-03-31 01:16:02,500 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:16:02,500 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] [2023-03-31 01:16:02,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-31 01:16:02,500 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:16:02,501 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:16:02,501 INFO L85 PathProgramCache]: Analyzing trace with hash 342675113, now seen corresponding path program 1 times [2023-03-31 01:16:02,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:16:02,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478302384] [2023-03-31 01:16:02,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:02,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:16:02,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:02,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:16:02,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:02,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:16:02,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:02,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:16:02,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:02,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:16:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:02,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:16:02,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:02,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-03-31 01:16:02,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:02,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:02,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:02,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:02,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:02,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-03-31 01:16:02,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:02,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-03-31 01:16:02,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:02,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:16:02,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:16:02,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478302384] [2023-03-31 01:16:02,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478302384] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:16:02,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:16:02,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-03-31 01:16:02,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705819475] [2023-03-31 01:16:02,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:16:02,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-03-31 01:16:02,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:16:02,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-03-31 01:16:02,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-03-31 01:16:02,733 INFO L87 Difference]: Start difference. First operand 134 states and 153 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 4 states have call successors, (16), 5 states have call predecessors, (16), 4 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2023-03-31 01:16:03,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:16:03,114 INFO L93 Difference]: Finished difference Result 363 states and 443 transitions. [2023-03-31 01:16:03,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-03-31 01:16:03,115 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 4 states have call successors, (16), 5 states have call predecessors, (16), 4 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) Word has length 64 [2023-03-31 01:16:03,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:16:03,117 INFO L225 Difference]: With dead ends: 363 [2023-03-31 01:16:03,117 INFO L226 Difference]: Without dead ends: 253 [2023-03-31 01:16:03,119 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2023-03-31 01:16:03,126 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 352 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 203 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 356 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 203 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-03-31 01:16:03,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [356 Valid, 83 Invalid, 657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [203 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-03-31 01:16:03,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2023-03-31 01:16:03,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 212. [2023-03-31 01:16:03,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 128 states have (on average 1.203125) internal successors, (154), 136 states have internal predecessors, (154), 41 states have call successors, (41), 40 states have call predecessors, (41), 42 states have return successors, (45), 40 states have call predecessors, (45), 37 states have call successors, (45) [2023-03-31 01:16:03,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 240 transitions. [2023-03-31 01:16:03,161 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 240 transitions. Word has length 64 [2023-03-31 01:16:03,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:16:03,161 INFO L495 AbstractCegarLoop]: Abstraction has 212 states and 240 transitions. [2023-03-31 01:16:03,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 4 states have call successors, (16), 5 states have call predecessors, (16), 4 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2023-03-31 01:16:03,161 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 240 transitions. [2023-03-31 01:16:03,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-03-31 01:16:03,162 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:16:03,162 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] [2023-03-31 01:16:03,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-03-31 01:16:03,162 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:16:03,162 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:16:03,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1072268456, now seen corresponding path program 1 times [2023-03-31 01:16:03,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:16:03,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252031471] [2023-03-31 01:16:03,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:03,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:16:03,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:03,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:16:03,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:03,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:16:03,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:03,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:16:03,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:03,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:16:03,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:03,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:16:03,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:03,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-03-31 01:16:03,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:03,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:03,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:03,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:03,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:03,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:03,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:03,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 01:16:03,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:03,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-03-31 01:16:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:03,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-03-31 01:16:03,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:03,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:16:03,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:16:03,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252031471] [2023-03-31 01:16:03,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252031471] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:16:03,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:16:03,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-03-31 01:16:03,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864284498] [2023-03-31 01:16:03,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:16:03,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-03-31 01:16:03,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:16:03,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-03-31 01:16:03,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2023-03-31 01:16:03,378 INFO L87 Difference]: Start difference. First operand 212 states and 240 transitions. Second operand has 12 states, 12 states have (on average 4.0) internal successors, (48), 8 states have internal predecessors, (48), 4 states have call successors, (18), 6 states have call predecessors, (18), 4 states have return successors, (12), 6 states have call predecessors, (12), 4 states have call successors, (12) [2023-03-31 01:16:04,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:16:04,371 INFO L93 Difference]: Finished difference Result 745 states and 951 transitions. [2023-03-31 01:16:04,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-31 01:16:04,372 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.0) internal successors, (48), 8 states have internal predecessors, (48), 4 states have call successors, (18), 6 states have call predecessors, (18), 4 states have return successors, (12), 6 states have call predecessors, (12), 4 states have call successors, (12) Word has length 78 [2023-03-31 01:16:04,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:16:04,375 INFO L225 Difference]: With dead ends: 745 [2023-03-31 01:16:04,375 INFO L226 Difference]: Without dead ends: 557 [2023-03-31 01:16:04,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2023-03-31 01:16:04,376 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 638 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 1494 mSolverCounterSat, 343 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 658 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 1837 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 343 IncrementalHoareTripleChecker+Valid, 1494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-03-31 01:16:04,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [658 Valid, 105 Invalid, 1837 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [343 Valid, 1494 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-03-31 01:16:04,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2023-03-31 01:16:04,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 499. [2023-03-31 01:16:04,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 499 states, 308 states have (on average 1.1883116883116882) internal successors, (366), 329 states have internal predecessors, (366), 90 states have call successors, (90), 86 states have call predecessors, (90), 100 states have return successors, (127), 94 states have call predecessors, (127), 86 states have call successors, (127) [2023-03-31 01:16:04,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 583 transitions. [2023-03-31 01:16:04,441 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 583 transitions. Word has length 78 [2023-03-31 01:16:04,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:16:04,442 INFO L495 AbstractCegarLoop]: Abstraction has 499 states and 583 transitions. [2023-03-31 01:16:04,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.0) internal successors, (48), 8 states have internal predecessors, (48), 4 states have call successors, (18), 6 states have call predecessors, (18), 4 states have return successors, (12), 6 states have call predecessors, (12), 4 states have call successors, (12) [2023-03-31 01:16:04,442 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 583 transitions. [2023-03-31 01:16:04,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-03-31 01:16:04,453 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:16:04,453 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:16:04,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-03-31 01:16:04,453 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:16:04,454 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:16:04,454 INFO L85 PathProgramCache]: Analyzing trace with hash 767147962, now seen corresponding path program 1 times [2023-03-31 01:16:04,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:16:04,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565679038] [2023-03-31 01:16:04,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:04,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:16:04,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:04,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:16:04,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:04,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:16:04,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:04,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:16:04,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:04,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:16:04,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:04,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:16:04,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:04,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-03-31 01:16:04,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:04,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-03-31 01:16:04,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:04,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:04,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:04,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:04,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:04,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:04,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:04,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:04,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:04,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 01:16:04,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:04,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:04,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:04,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:04,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:04,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:16:04,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:04,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-03-31 01:16:04,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:04,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:04,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:04,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-03-31 01:16:04,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:04,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-03-31 01:16:04,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:04,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:04,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:04,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:04,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:04,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:04,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:04,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 01:16:04,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:04,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-03-31 01:16:04,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:04,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-03-31 01:16:04,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:04,648 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 17 proven. 9 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-03-31 01:16:04,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:16:04,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565679038] [2023-03-31 01:16:04,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565679038] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:16:04,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [920141013] [2023-03-31 01:16:04,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:04,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:16:04,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:16:04,651 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) [2023-03-31 01:16:04,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-03-31 01:16:04,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:04,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 13 conjunts are in the unsatisfiable core [2023-03-31 01:16:04,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:16:04,961 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:16:04,961 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:16:04,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [920141013] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:16:04,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:16:04,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 16 [2023-03-31 01:16:04,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950311930] [2023-03-31 01:16:04,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:16:04,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-31 01:16:04,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:16:04,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-31 01:16:04,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2023-03-31 01:16:04,963 INFO L87 Difference]: Start difference. First operand 499 states and 583 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 8 states have internal predecessors, (96), 7 states have call successors, (31), 5 states have call predecessors, (31), 5 states have return successors, (25), 5 states have call predecessors, (25), 7 states have call successors, (25) [2023-03-31 01:16:05,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:16:05,593 INFO L93 Difference]: Finished difference Result 1250 states and 1614 transitions. [2023-03-31 01:16:05,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-03-31 01:16:05,594 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 8 states have internal predecessors, (96), 7 states have call successors, (31), 5 states have call predecessors, (31), 5 states have return successors, (25), 5 states have call predecessors, (25), 7 states have call successors, (25) Word has length 152 [2023-03-31 01:16:05,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:16:05,599 INFO L225 Difference]: With dead ends: 1250 [2023-03-31 01:16:05,599 INFO L226 Difference]: Without dead ends: 892 [2023-03-31 01:16:05,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=349, Unknown=0, NotChecked=0, Total=420 [2023-03-31 01:16:05,601 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 719 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 890 mSolverCounterSat, 344 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 755 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 1234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 344 IncrementalHoareTripleChecker+Valid, 890 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-03-31 01:16:05,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [755 Valid, 239 Invalid, 1234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [344 Valid, 890 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-03-31 01:16:05,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2023-03-31 01:16:05,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 821. [2023-03-31 01:16:05,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 821 states, 520 states have (on average 1.2115384615384615) internal successors, (630), 548 states have internal predecessors, (630), 151 states have call successors, (151), 147 states have call predecessors, (151), 149 states have return successors, (221), 142 states have call predecessors, (221), 147 states have call successors, (221) [2023-03-31 01:16:05,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 1002 transitions. [2023-03-31 01:16:05,693 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 1002 transitions. Word has length 152 [2023-03-31 01:16:05,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:16:05,693 INFO L495 AbstractCegarLoop]: Abstraction has 821 states and 1002 transitions. [2023-03-31 01:16:05,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 8 states have internal predecessors, (96), 7 states have call successors, (31), 5 states have call predecessors, (31), 5 states have return successors, (25), 5 states have call predecessors, (25), 7 states have call successors, (25) [2023-03-31 01:16:05,694 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1002 transitions. [2023-03-31 01:16:05,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-03-31 01:16:05,695 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:16:05,695 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, 1, 1, 1] [2023-03-31 01:16:05,704 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-03-31 01:16:05,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-03-31 01:16:05,901 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:16:05,901 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:16:05,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1903148646, now seen corresponding path program 1 times [2023-03-31 01:16:05,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:16:05,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93550412] [2023-03-31 01:16:05,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:05,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:16:05,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:05,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:16:05,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:05,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:16:05,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:05,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:16:05,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:05,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:16:05,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:05,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:16:05,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:05,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-03-31 01:16:05,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:05,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:05,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:06,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:06,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:06,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 01:16:06,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:06,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:06,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:16:06,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-03-31 01:16:06,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:06,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-03-31 01:16:06,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-03-31 01:16:06,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:06,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:06,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 01:16:06,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-03-31 01:16:06,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-03-31 01:16:06,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,082 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-03-31 01:16:06,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:16:06,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93550412] [2023-03-31 01:16:06,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93550412] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:16:06,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [779328266] [2023-03-31 01:16:06,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:06,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:16:06,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:16:06,083 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 01:16:06,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-03-31 01:16:06,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 11 conjunts are in the unsatisfiable core [2023-03-31 01:16:06,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:16:06,269 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-03-31 01:16:06,270 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:16:06,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [779328266] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:16:06,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:16:06,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2023-03-31 01:16:06,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481547236] [2023-03-31 01:16:06,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:16:06,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-03-31 01:16:06,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:16:06,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-03-31 01:16:06,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2023-03-31 01:16:06,272 INFO L87 Difference]: Start difference. First operand 821 states and 1002 transitions. Second operand has 6 states, 6 states have (on average 13.5) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) [2023-03-31 01:16:06,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:16:06,426 INFO L93 Difference]: Finished difference Result 842 states and 1025 transitions. [2023-03-31 01:16:06,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-31 01:16:06,427 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) Word has length 143 [2023-03-31 01:16:06,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:16:06,432 INFO L225 Difference]: With dead ends: 842 [2023-03-31 01:16:06,432 INFO L226 Difference]: Without dead ends: 839 [2023-03-31 01:16:06,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2023-03-31 01:16:06,434 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 104 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 630 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 01:16:06,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 630 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 01:16:06,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2023-03-31 01:16:06,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 821. [2023-03-31 01:16:06,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 821 states, 520 states have (on average 1.2038461538461538) internal successors, (626), 548 states have internal predecessors, (626), 151 states have call successors, (151), 147 states have call predecessors, (151), 149 states have return successors, (221), 142 states have call predecessors, (221), 147 states have call successors, (221) [2023-03-31 01:16:06,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 998 transitions. [2023-03-31 01:16:06,522 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 998 transitions. Word has length 143 [2023-03-31 01:16:06,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:16:06,522 INFO L495 AbstractCegarLoop]: Abstraction has 821 states and 998 transitions. [2023-03-31 01:16:06,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) [2023-03-31 01:16:06,523 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 998 transitions. [2023-03-31 01:16:06,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-03-31 01:16:06,527 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:16:06,527 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1] [2023-03-31 01:16:06,535 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-03-31 01:16:06,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-03-31 01:16:06,741 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:16:06,741 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:16:06,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1468717600, now seen corresponding path program 1 times [2023-03-31 01:16:06,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:16:06,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387391696] [2023-03-31 01:16:06,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:06,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:16:06,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:16:06,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:16:06,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:16:06,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:16:06,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:16:06,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-03-31 01:16:06,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:06,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:06,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:06,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:06,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 01:16:06,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:06,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:06,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:16:06,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-03-31 01:16:06,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:06,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-03-31 01:16:06,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-03-31 01:16:06,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:06,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:06,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 01:16:06,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:06,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-03-31 01:16:06,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-03-31 01:16:06,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:06,965 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-03-31 01:16:06,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:16:06,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387391696] [2023-03-31 01:16:06,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387391696] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:16:06,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2092001914] [2023-03-31 01:16:06,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:06,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:16:06,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:16:06,967 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 01:16:06,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-03-31 01:16:07,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 11 conjunts are in the unsatisfiable core [2023-03-31 01:16:07,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:16:07,108 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-03-31 01:16:07,108 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:16:07,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2092001914] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:16:07,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:16:07,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 10 [2023-03-31 01:16:07,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115451049] [2023-03-31 01:16:07,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:16:07,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-03-31 01:16:07,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:16:07,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-03-31 01:16:07,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-03-31 01:16:07,110 INFO L87 Difference]: Start difference. First operand 821 states and 998 transitions. Second operand has 6 states, 6 states have (on average 14.5) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) [2023-03-31 01:16:07,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:16:07,198 INFO L93 Difference]: Finished difference Result 1646 states and 2076 transitions. [2023-03-31 01:16:07,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-03-31 01:16:07,198 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) Word has length 147 [2023-03-31 01:16:07,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:16:07,201 INFO L225 Difference]: With dead ends: 1646 [2023-03-31 01:16:07,201 INFO L226 Difference]: Without dead ends: 849 [2023-03-31 01:16:07,203 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 193 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-03-31 01:16:07,203 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 4 mSDsluCounter, 593 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 743 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 01:16:07,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 743 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 01:16:07,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 849 states. [2023-03-31 01:16:07,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 849 to 841. [2023-03-31 01:16:07,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 841 states, 536 states have (on average 1.1977611940298507) internal successors, (642), 564 states have internal predecessors, (642), 151 states have call successors, (151), 147 states have call predecessors, (151), 153 states have return successors, (229), 146 states have call predecessors, (229), 147 states have call successors, (229) [2023-03-31 01:16:07,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 841 states and 1022 transitions. [2023-03-31 01:16:07,261 INFO L78 Accepts]: Start accepts. Automaton has 841 states and 1022 transitions. Word has length 147 [2023-03-31 01:16:07,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:16:07,261 INFO L495 AbstractCegarLoop]: Abstraction has 841 states and 1022 transitions. [2023-03-31 01:16:07,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) [2023-03-31 01:16:07,262 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1022 transitions. [2023-03-31 01:16:07,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-03-31 01:16:07,263 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:16:07,263 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1] [2023-03-31 01:16:07,272 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-03-31 01:16:07,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:16:07,469 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:16:07,469 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:16:07,469 INFO L85 PathProgramCache]: Analyzing trace with hash -437685666, now seen corresponding path program 1 times [2023-03-31 01:16:07,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:16:07,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571192049] [2023-03-31 01:16:07,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:07,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:16:07,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:16:07,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:16:07,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:16:07,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:16:07,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:16:07,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-03-31 01:16:07,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:07,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:07,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:07,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:07,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 01:16:07,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:07,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:07,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:16:07,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-03-31 01:16:07,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:07,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-03-31 01:16:07,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-03-31 01:16:07,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:07,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:07,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 01:16:07,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:07,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-03-31 01:16:07,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-03-31 01:16:07,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,669 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-03-31 01:16:07,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:16:07,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571192049] [2023-03-31 01:16:07,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571192049] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:16:07,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1330109715] [2023-03-31 01:16:07,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:07,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:16:07,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:16:07,670 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 01:16:07,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-03-31 01:16:07,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:07,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 5 conjunts are in the unsatisfiable core [2023-03-31 01:16:07,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:16:07,822 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-03-31 01:16:07,822 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:16:07,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1330109715] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:16:07,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:16:07,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2023-03-31 01:16:07,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493182447] [2023-03-31 01:16:07,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:16:07,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-03-31 01:16:07,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:16:07,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-03-31 01:16:07,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2023-03-31 01:16:07,824 INFO L87 Difference]: Start difference. First operand 841 states and 1022 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) [2023-03-31 01:16:07,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:16:07,892 INFO L93 Difference]: Finished difference Result 1482 states and 1842 transitions. [2023-03-31 01:16:07,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-31 01:16:07,892 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) Word has length 147 [2023-03-31 01:16:07,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:16:07,895 INFO L225 Difference]: With dead ends: 1482 [2023-03-31 01:16:07,895 INFO L226 Difference]: Without dead ends: 665 [2023-03-31 01:16:07,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2023-03-31 01:16:07,898 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 3 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 01:16:07,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 599 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 01:16:07,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2023-03-31 01:16:07,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 665. [2023-03-31 01:16:07,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 665 states, 425 states have (on average 1.1905882352941177) internal successors, (506), 446 states have internal predecessors, (506), 124 states have call successors, (124), 120 states have call predecessors, (124), 115 states have return successors, (170), 113 states have call predecessors, (170), 120 states have call successors, (170) [2023-03-31 01:16:07,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 800 transitions. [2023-03-31 01:16:07,952 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 800 transitions. Word has length 147 [2023-03-31 01:16:07,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:16:07,953 INFO L495 AbstractCegarLoop]: Abstraction has 665 states and 800 transitions. [2023-03-31 01:16:07,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) [2023-03-31 01:16:07,953 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 800 transitions. [2023-03-31 01:16:07,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-03-31 01:16:07,954 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:16:07,954 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:16:07,964 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-03-31 01:16:08,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:16:08,162 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:16:08,162 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:16:08,163 INFO L85 PathProgramCache]: Analyzing trace with hash -801958077, now seen corresponding path program 1 times [2023-03-31 01:16:08,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:16:08,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389769121] [2023-03-31 01:16:08,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:08,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:16:08,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:16:08,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:16:08,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:16:08,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:16:08,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:16:08,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-03-31 01:16:08,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-03-31 01:16:08,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:08,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:08,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:08,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:08,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 01:16:08,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:08,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:08,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:16:08,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-03-31 01:16:08,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:08,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-03-31 01:16:08,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-03-31 01:16:08,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:08,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:08,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 01:16:08,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:08,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-03-31 01:16:08,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-03-31 01:16:08,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,413 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-03-31 01:16:08,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:16:08,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389769121] [2023-03-31 01:16:08,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389769121] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:16:08,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1856396622] [2023-03-31 01:16:08,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:08,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:16:08,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:16:08,417 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 01:16:08,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-03-31 01:16:08,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:08,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 11 conjunts are in the unsatisfiable core [2023-03-31 01:16:08,528 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:16:08,678 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:16:08,678 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-31 01:16:08,918 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-03-31 01:16:08,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1856396622] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-31 01:16:08,918 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-31 01:16:08,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 9] total 20 [2023-03-31 01:16:08,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758112389] [2023-03-31 01:16:08,919 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-31 01:16:08,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-03-31 01:16:08,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:16:08,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-03-31 01:16:08,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=308, Unknown=0, NotChecked=0, Total=380 [2023-03-31 01:16:08,920 INFO L87 Difference]: Start difference. First operand 665 states and 800 transitions. Second operand has 20 states, 20 states have (on average 7.3) internal successors, (146), 12 states have internal predecessors, (146), 5 states have call successors, (57), 11 states have call predecessors, (57), 9 states have return successors, (42), 7 states have call predecessors, (42), 5 states have call successors, (42) [2023-03-31 01:16:10,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:16:10,161 INFO L93 Difference]: Finished difference Result 1345 states and 1707 transitions. [2023-03-31 01:16:10,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-03-31 01:16:10,161 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 7.3) internal successors, (146), 12 states have internal predecessors, (146), 5 states have call successors, (57), 11 states have call predecessors, (57), 9 states have return successors, (42), 7 states have call predecessors, (42), 5 states have call successors, (42) Word has length 151 [2023-03-31 01:16:10,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:16:10,164 INFO L225 Difference]: With dead ends: 1345 [2023-03-31 01:16:10,165 INFO L226 Difference]: Without dead ends: 763 [2023-03-31 01:16:10,166 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 346 SyntacticMatches, 10 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 459 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=444, Invalid=1278, Unknown=0, NotChecked=0, Total=1722 [2023-03-31 01:16:10,166 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 706 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 1421 mSolverCounterSat, 397 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 722 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 1818 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 397 IncrementalHoareTripleChecker+Valid, 1421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-03-31 01:16:10,167 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [722 Valid, 264 Invalid, 1818 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [397 Valid, 1421 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-03-31 01:16:10,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2023-03-31 01:16:10,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 647. [2023-03-31 01:16:10,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 647 states, 413 states have (on average 1.1864406779661016) internal successors, (490), 434 states have internal predecessors, (490), 121 states have call successors, (121), 117 states have call predecessors, (121), 112 states have return successors, (167), 110 states have call predecessors, (167), 117 states have call successors, (167) [2023-03-31 01:16:10,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 778 transitions. [2023-03-31 01:16:10,245 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 778 transitions. Word has length 151 [2023-03-31 01:16:10,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:16:10,245 INFO L495 AbstractCegarLoop]: Abstraction has 647 states and 778 transitions. [2023-03-31 01:16:10,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 7.3) internal successors, (146), 12 states have internal predecessors, (146), 5 states have call successors, (57), 11 states have call predecessors, (57), 9 states have return successors, (42), 7 states have call predecessors, (42), 5 states have call successors, (42) [2023-03-31 01:16:10,246 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 778 transitions. [2023-03-31 01:16:10,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-03-31 01:16:10,247 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:16:10,247 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:16:10,255 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-03-31 01:16:10,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-03-31 01:16:10,453 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:16:10,453 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:16:10,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1749013761, now seen corresponding path program 2 times [2023-03-31 01:16:10,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:16:10,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490730035] [2023-03-31 01:16:10,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:10,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:16:10,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:16:10,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:16:10,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:16:10,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:16:10,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:16:10,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-03-31 01:16:10,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-03-31 01:16:10,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:10,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:10,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:10,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:10,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 01:16:10,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:10,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:10,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:16:10,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-03-31 01:16:10,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:10,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-03-31 01:16:10,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:10,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:16:10,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:10,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:10,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 01:16:10,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:10,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-03-31 01:16:10,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:10,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-03-31 01:16:10,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-03-31 01:16:10,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:10,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:10,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 01:16:10,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:10,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-03-31 01:16:10,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2023-03-31 01:16:10,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:10,825 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 52 proven. 27 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-03-31 01:16:10,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:16:10,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490730035] [2023-03-31 01:16:10,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490730035] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:16:10,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [532929818] [2023-03-31 01:16:10,825 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-03-31 01:16:10,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:16:10,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:16:10,826 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 01:16:10,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-03-31 01:16:10,957 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-03-31 01:16:10,958 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-31 01:16:10,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 619 conjuncts, 14 conjunts are in the unsatisfiable core [2023-03-31 01:16:10,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:16:11,084 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-03-31 01:16:11,084 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:16:11,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [532929818] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:16:11,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:16:11,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [19] total 24 [2023-03-31 01:16:11,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721485183] [2023-03-31 01:16:11,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:16:11,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-03-31 01:16:11,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:16:11,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-03-31 01:16:11,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=476, Unknown=0, NotChecked=0, Total=552 [2023-03-31 01:16:11,087 INFO L87 Difference]: Start difference. First operand 647 states and 778 transitions. Second operand has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 7 states have internal predecessors, (121), 4 states have call successors, (38), 5 states have call predecessors, (38), 5 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2023-03-31 01:16:11,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:16:11,940 INFO L93 Difference]: Finished difference Result 1663 states and 2055 transitions. [2023-03-31 01:16:11,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-03-31 01:16:11,940 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 7 states have internal predecessors, (121), 4 states have call successors, (38), 5 states have call predecessors, (38), 5 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) Word has length 204 [2023-03-31 01:16:11,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:16:11,944 INFO L225 Difference]: With dead ends: 1663 [2023-03-31 01:16:11,944 INFO L226 Difference]: Without dead ends: 1097 [2023-03-31 01:16:11,946 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 265 SyntacticMatches, 5 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 329 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=176, Invalid=1156, Unknown=0, NotChecked=0, Total=1332 [2023-03-31 01:16:11,946 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 307 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 1193 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 1329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 1193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-03-31 01:16:11,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [328 Valid, 351 Invalid, 1329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 1193 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-03-31 01:16:11,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1097 states. [2023-03-31 01:16:12,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1097 to 995. [2023-03-31 01:16:12,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 995 states, 639 states have (on average 1.1690140845070423) internal successors, (747), 667 states have internal predecessors, (747), 177 states have call successors, (177), 175 states have call predecessors, (177), 178 states have return successors, (241), 171 states have call predecessors, (241), 173 states have call successors, (241) [2023-03-31 01:16:12,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 995 states to 995 states and 1165 transitions. [2023-03-31 01:16:12,024 INFO L78 Accepts]: Start accepts. Automaton has 995 states and 1165 transitions. Word has length 204 [2023-03-31 01:16:12,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:16:12,025 INFO L495 AbstractCegarLoop]: Abstraction has 995 states and 1165 transitions. [2023-03-31 01:16:12,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 7 states have internal predecessors, (121), 4 states have call successors, (38), 5 states have call predecessors, (38), 5 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2023-03-31 01:16:12,025 INFO L276 IsEmpty]: Start isEmpty. Operand 995 states and 1165 transitions. [2023-03-31 01:16:12,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-03-31 01:16:12,027 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:16:12,027 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:16:12,033 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-03-31 01:16:12,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:16:12,232 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:16:12,232 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:16:12,232 INFO L85 PathProgramCache]: Analyzing trace with hash -669470717, now seen corresponding path program 1 times [2023-03-31 01:16:12,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:16:12,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617065445] [2023-03-31 01:16:12,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:12,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:16:12,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:16:12,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:16:12,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:16:12,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:16:12,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:16:12,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-03-31 01:16:12,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-03-31 01:16:12,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:12,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:12,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:12,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:12,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-31 01:16:12,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:12,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:12,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:16:12,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-03-31 01:16:12,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:12,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-03-31 01:16:12,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:12,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:16:12,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:12,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:12,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 01:16:12,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:12,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-03-31 01:16:12,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:12,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-03-31 01:16:12,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-03-31 01:16:12,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:12,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:16:12,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 01:16:12,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:16:12,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-03-31 01:16:12,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2023-03-31 01:16:12,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,472 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 39 proven. 8 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-03-31 01:16:12,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:16:12,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617065445] [2023-03-31 01:16:12,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617065445] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:16:12,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1271581399] [2023-03-31 01:16:12,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:16:12,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:16:12,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:16:12,486 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 01:16:12,487 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-03-31 01:16:12,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:16:12,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 6 conjunts are in the unsatisfiable core [2023-03-31 01:16:12,604 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:16:12,616 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-03-31 01:16:12,616 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:16:12,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1271581399] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:16:12,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:16:12,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [13] total 13 [2023-03-31 01:16:12,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986542696] [2023-03-31 01:16:12,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:16:12,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-03-31 01:16:12,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:16:12,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-03-31 01:16:12,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-03-31 01:16:12,618 INFO L87 Difference]: Start difference. First operand 995 states and 1165 transitions. Second operand has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 5 states have internal predecessors, (112), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2023-03-31 01:16:12,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:16:12,668 INFO L93 Difference]: Finished difference Result 1350 states and 1575 transitions. [2023-03-31 01:16:12,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-03-31 01:16:12,669 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 5 states have internal predecessors, (112), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) Word has length 204 [2023-03-31 01:16:12,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:16:12,670 INFO L225 Difference]: With dead ends: 1350 [2023-03-31 01:16:12,670 INFO L226 Difference]: Without dead ends: 0 [2023-03-31 01:16:12,673 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2023-03-31 01:16:12,673 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 4 mSDsluCounter, 576 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 724 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 01:16:12,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 724 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 01:16:12,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-03-31 01:16:12,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-03-31 01:16:12,674 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) [2023-03-31 01:16:12,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-03-31 01:16:12,674 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 204 [2023-03-31 01:16:12,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:16:12,674 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-03-31 01:16:12,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 5 states have internal predecessors, (112), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2023-03-31 01:16:12,674 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-03-31 01:16:12,675 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-03-31 01:16:12,676 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-03-31 01:16:12,685 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-03-31 01:16:12,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:16:12,887 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-03-31 01:16:16,882 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-03-31 01:16:16,883 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 11) no Hoare annotation was computed. [2023-03-31 01:16:16,883 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-03-31 01:16:16,883 INFO L899 garLoopResultBuilder]: For program point L692(lines 692 696) no Hoare annotation was computed. [2023-03-31 01:16:16,883 INFO L899 garLoopResultBuilder]: For program point L692-1(lines 692 696) no Hoare annotation was computed. [2023-03-31 01:16:16,883 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeFINAL(lines 661 716) no Hoare annotation was computed. [2023-03-31 01:16:16,883 INFO L899 garLoopResultBuilder]: For program point L687(line 687) no Hoare annotation was computed. [2023-03-31 01:16:16,883 INFO L899 garLoopResultBuilder]: For program point L686-2(lines 686 707) no Hoare annotation was computed. [2023-03-31 01:16:16,883 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 661 716) no Hoare annotation was computed. [2023-03-31 01:16:16,883 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 661 716) no Hoare annotation was computed. [2023-03-31 01:16:16,883 INFO L899 garLoopResultBuilder]: For program point L708(lines 685 709) no Hoare annotation was computed. [2023-03-31 01:16:16,883 INFO L899 garLoopResultBuilder]: For program point L769(lines 742 770) no Hoare annotation was computed. [2023-03-31 01:16:16,883 INFO L899 garLoopResultBuilder]: For program point L762(line 762) no Hoare annotation was computed. [2023-03-31 01:16:16,883 INFO L899 garLoopResultBuilder]: For program point L762-1(line 762) no Hoare annotation was computed. [2023-03-31 01:16:16,883 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 717 776) no Hoare annotation was computed. [2023-03-31 01:16:16,884 INFO L899 garLoopResultBuilder]: For program point L749(lines 749 753) no Hoare annotation was computed. [2023-03-31 01:16:16,884 INFO L899 garLoopResultBuilder]: For program point L749-1(lines 749 753) no Hoare annotation was computed. [2023-03-31 01:16:16,884 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 717 776) no Hoare annotation was computed. [2023-03-31 01:16:16,884 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 717 776) no Hoare annotation was computed. [2023-03-31 01:16:16,884 INFO L899 garLoopResultBuilder]: For program point L744(line 744) no Hoare annotation was computed. [2023-03-31 01:16:16,884 INFO L899 garLoopResultBuilder]: For program point L743-2(lines 743 768) no Hoare annotation was computed. [2023-03-31 01:16:16,884 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 503 511) no Hoare annotation was computed. [2023-03-31 01:16:16,884 INFO L899 garLoopResultBuilder]: For program point valid_productFINAL(lines 503 511) no Hoare annotation was computed. [2023-03-31 01:16:16,884 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 503 511) the Hoare annotation is: true [2023-03-31 01:16:16,884 INFO L899 garLoopResultBuilder]: For program point L354-1(lines 346 370) no Hoare annotation was computed. [2023-03-31 01:16:16,884 INFO L902 garLoopResultBuilder]: At program point L352(line 352) the Hoare annotation is: true [2023-03-31 01:16:16,884 INFO L899 garLoopResultBuilder]: For program point L352-1(line 352) no Hoare annotation was computed. [2023-03-31 01:16:16,884 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification4_spec__1EXIT(lines 346 370) no Hoare annotation was computed. [2023-03-31 01:16:16,884 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 346 370) the Hoare annotation is: true [2023-03-31 01:16:16,885 INFO L895 garLoopResultBuilder]: At program point L360(line 360) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1) .cse0) (or .cse0 (< ~waterLevel~0 2)))) [2023-03-31 01:16:16,885 INFO L899 garLoopResultBuilder]: For program point L358(lines 358 364) no Hoare annotation was computed. [2023-03-31 01:16:16,885 INFO L895 garLoopResultBuilder]: At program point L356(line 356) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1) .cse0) (or .cse0 (< ~waterLevel~0 2)))) [2023-03-31 01:16:16,885 INFO L899 garLoopResultBuilder]: For program point L356-1(line 356) no Hoare annotation was computed. [2023-03-31 01:16:16,885 INFO L899 garLoopResultBuilder]: For program point L354(lines 354 367) no Hoare annotation was computed. [2023-03-31 01:16:16,885 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 585 607) no Hoare annotation was computed. [2023-03-31 01:16:16,885 INFO L895 garLoopResultBuilder]: At program point L597(line 597) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= ~waterLevel~0 1) (= main_~tmp~7 1))) [2023-03-31 01:16:16,885 INFO L895 garLoopResultBuilder]: At program point L597-1(line 597) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= ~waterLevel~0 1) (= main_~tmp~7 1))) [2023-03-31 01:16:16,885 INFO L899 garLoopResultBuilder]: For program point L595(lines 595 602) no Hoare annotation was computed. [2023-03-31 01:16:16,885 INFO L899 garLoopResultBuilder]: For program point L595-1(lines 595 602) no Hoare annotation was computed. [2023-03-31 01:16:16,885 INFO L899 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2023-03-31 01:16:16,885 INFO L895 garLoopResultBuilder]: At program point L592(line 592) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= ~waterLevel~0 1))) [2023-03-31 01:16:16,885 INFO L895 garLoopResultBuilder]: At program point L591(line 591) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= ~waterLevel~0 1))) [2023-03-31 01:16:16,886 INFO L895 garLoopResultBuilder]: At program point L591-1(line 591) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= ~waterLevel~0 1))) [2023-03-31 01:16:16,886 INFO L899 garLoopResultBuilder]: For program point mainFINAL(lines 585 607) no Hoare annotation was computed. [2023-03-31 01:16:16,886 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 585 607) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= ~waterLevel~0 1))) [2023-03-31 01:16:16,886 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 544 567) no Hoare annotation was computed. [2023-03-31 01:16:16,886 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 544 567) no Hoare annotation was computed. [2023-03-31 01:16:16,886 INFO L899 garLoopResultBuilder]: For program point L562(line 562) no Hoare annotation was computed. [2023-03-31 01:16:16,886 INFO L899 garLoopResultBuilder]: For program point L561(line 561) no Hoare annotation was computed. [2023-03-31 01:16:16,886 INFO L899 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2023-03-31 01:16:16,886 INFO L899 garLoopResultBuilder]: For program point L559(line 559) no Hoare annotation was computed. [2023-03-31 01:16:16,886 INFO L899 garLoopResultBuilder]: For program point L558(line 558) no Hoare annotation was computed. [2023-03-31 01:16:16,886 INFO L899 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2023-03-31 01:16:16,886 INFO L899 garLoopResultBuilder]: For program point L556(line 556) no Hoare annotation was computed. [2023-03-31 01:16:16,886 INFO L899 garLoopResultBuilder]: For program point L555(line 555) no Hoare annotation was computed. [2023-03-31 01:16:16,886 INFO L899 garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed. [2023-03-31 01:16:16,886 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 544 567) no Hoare annotation was computed. [2023-03-31 01:16:16,886 INFO L899 garLoopResultBuilder]: For program point L553(line 553) no Hoare annotation was computed. [2023-03-31 01:16:16,886 INFO L899 garLoopResultBuilder]: For program point L552(line 552) no Hoare annotation was computed. [2023-03-31 01:16:16,886 INFO L899 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2023-03-31 01:16:16,887 INFO L899 garLoopResultBuilder]: For program point L550(line 550) no Hoare annotation was computed. [2023-03-31 01:16:16,887 INFO L899 garLoopResultBuilder]: For program point L549(line 549) no Hoare annotation was computed. [2023-03-31 01:16:16,887 INFO L899 garLoopResultBuilder]: For program point L333(lines 333 337) no Hoare annotation was computed. [2023-03-31 01:16:16,887 INFO L902 garLoopResultBuilder]: At program point L331(line 331) the Hoare annotation is: true [2023-03-31 01:16:16,887 INFO L899 garLoopResultBuilder]: For program point L333-2(lines 333 337) no Hoare annotation was computed. [2023-03-31 01:16:16,887 INFO L899 garLoopResultBuilder]: For program point L331-1(line 331) no Hoare annotation was computed. [2023-03-31 01:16:16,887 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 324 342) the Hoare annotation is: true [2023-03-31 01:16:16,887 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevelEXIT(lines 324 342) no Hoare annotation was computed. [2023-03-31 01:16:16,887 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevelFINAL(lines 324 342) no Hoare annotation was computed. [2023-03-31 01:16:16,887 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 489 495) no Hoare annotation was computed. [2023-03-31 01:16:16,887 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 489 495) the Hoare annotation is: true [2023-03-31 01:16:16,887 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeFINAL(lines 928 973) no Hoare annotation was computed. [2023-03-31 01:16:16,887 INFO L899 garLoopResultBuilder]: For program point L948(lines 948 955) no Hoare annotation was computed. [2023-03-31 01:16:16,887 INFO L899 garLoopResultBuilder]: For program point L942(lines 942 962) no Hoare annotation was computed. [2023-03-31 01:16:16,887 INFO L899 garLoopResultBuilder]: For program point L942-1(lines 942 962) no Hoare annotation was computed. [2023-03-31 01:16:16,887 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 928 973) no Hoare annotation was computed. [2023-03-31 01:16:16,887 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 928 973) no Hoare annotation was computed. [2023-03-31 01:16:16,888 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 451 464) the Hoare annotation is: true [2023-03-31 01:16:16,888 INFO L899 garLoopResultBuilder]: For program point L455(lines 455 461) no Hoare annotation was computed. [2023-03-31 01:16:16,888 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryEXIT(lines 451 464) no Hoare annotation was computed. [2023-03-31 01:16:16,888 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryFINAL(lines 451 464) no Hoare annotation was computed. [2023-03-31 01:16:16,888 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 190 214) no Hoare annotation was computed. [2023-03-31 01:16:16,888 INFO L895 garLoopResultBuilder]: At program point L209(line 209) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| 0)) (or (= ~pumpRunning~0 0) .cse0 .cse1))) [2023-03-31 01:16:16,888 INFO L899 garLoopResultBuilder]: For program point L209-1(lines 190 214) no Hoare annotation was computed. [2023-03-31 01:16:16,888 INFO L895 garLoopResultBuilder]: At program point L204(line 204) the Hoare annotation is: (or (< ~waterLevel~0 1) (not (= 1 ~systemActive~0))) [2023-03-31 01:16:16,888 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 190 214) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0))) [2023-03-31 01:16:16,888 INFO L895 garLoopResultBuilder]: At program point L200(line 200) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 processEnvironment_~tmp~2)) .cse0 .cse1))) [2023-03-31 01:16:16,888 INFO L899 garLoopResultBuilder]: For program point L198(lines 198 206) no Hoare annotation was computed. [2023-03-31 01:16:16,888 INFO L895 garLoopResultBuilder]: At program point L196(line 196) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2023-03-31 01:16:16,888 INFO L899 garLoopResultBuilder]: For program point L196-1(line 196) no Hoare annotation was computed. [2023-03-31 01:16:16,888 INFO L899 garLoopResultBuilder]: For program point L194(lines 194 211) no Hoare annotation was computed. [2023-03-31 01:16:16,888 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 156 162) no Hoare annotation was computed. [2023-03-31 01:16:16,889 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 156 162) the Hoare annotation is: true [2023-03-31 01:16:16,889 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 54 117) no Hoare annotation was computed. [2023-03-31 01:16:16,889 INFO L895 garLoopResultBuilder]: At program point L110(lines 63 111) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0))) [2023-03-31 01:16:16,889 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 54 117) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= ~waterLevel~0 1))) [2023-03-31 01:16:16,889 INFO L899 garLoopResultBuilder]: For program point L100(lines 100 104) no Hoare annotation was computed. [2023-03-31 01:16:16,889 INFO L895 garLoopResultBuilder]: At program point L100-2(lines 94 105) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not .cse1) (and (= ~pumpRunning~0 0) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2023-03-31 01:16:16,889 INFO L899 garLoopResultBuilder]: For program point L65(lines 64 109) no Hoare annotation was computed. [2023-03-31 01:16:16,889 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 105) no Hoare annotation was computed. [2023-03-31 01:16:16,889 INFO L895 garLoopResultBuilder]: At program point L86(line 86) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not .cse1) (and (= ~pumpRunning~0 0) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2023-03-31 01:16:16,889 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 90) no Hoare annotation was computed. [2023-03-31 01:16:16,889 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 84 90) no Hoare annotation was computed. [2023-03-31 01:16:16,889 INFO L895 garLoopResultBuilder]: At program point L76(line 76) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not .cse1) (and (= ~pumpRunning~0 0) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2023-03-31 01:16:16,890 INFO L895 garLoopResultBuilder]: At program point L107(lines 64 109) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not .cse1) (and (= ~pumpRunning~0 0) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2023-03-31 01:16:16,890 INFO L899 garLoopResultBuilder]: For program point L74(lines 74 80) no Hoare annotation was computed. [2023-03-31 01:16:16,890 INFO L899 garLoopResultBuilder]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2023-03-31 01:16:16,890 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 54 117) no Hoare annotation was computed. [2023-03-31 01:16:16,890 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2023-03-31 01:16:16,890 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 215 222) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (< ~waterLevel~0 2)) [2023-03-31 01:16:16,890 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 215 222) no Hoare annotation was computed. [2023-03-31 01:16:16,890 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 215 222) no Hoare annotation was computed. [2023-03-31 01:16:16,890 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDryFINAL(lines 465 473) no Hoare annotation was computed. [2023-03-31 01:16:16,890 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 465 473) the Hoare annotation is: true [2023-03-31 01:16:16,890 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDryEXIT(lines 465 473) no Hoare annotation was computed. [2023-03-31 01:16:16,890 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 435) no Hoare annotation was computed. [2023-03-31 01:16:16,890 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 419 441) no Hoare annotation was computed. [2023-03-31 01:16:16,890 INFO L899 garLoopResultBuilder]: For program point L427-2(lines 427 435) no Hoare annotation was computed. [2023-03-31 01:16:16,890 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 419 441) no Hoare annotation was computed. [2023-03-31 01:16:16,890 INFO L899 garLoopResultBuilder]: For program point printEnvironmentFINAL(lines 419 441) no Hoare annotation was computed. [2023-03-31 01:16:16,891 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 224 240) no Hoare annotation was computed. [2023-03-31 01:16:16,891 INFO L895 garLoopResultBuilder]: At program point L235(line 235) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (< ~waterLevel~0 2)) [2023-03-31 01:16:16,891 INFO L899 garLoopResultBuilder]: For program point L235-1(lines 224 240) no Hoare annotation was computed. [2023-03-31 01:16:16,891 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 224 240) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (< ~waterLevel~0 2)) [2023-03-31 01:16:16,891 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 237) no Hoare annotation was computed. [2023-03-31 01:16:16,891 INFO L895 garLoopResultBuilder]: At program point L229(line 229) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (< ~waterLevel~0 2)) [2023-03-31 01:16:16,891 INFO L899 garLoopResultBuilder]: For program point L229-1(line 229) no Hoare annotation was computed. [2023-03-31 01:16:16,891 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelEXIT(lines 305 323) no Hoare annotation was computed. [2023-03-31 01:16:16,891 INFO L899 garLoopResultBuilder]: For program point L314(lines 314 318) no Hoare annotation was computed. [2023-03-31 01:16:16,891 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 305 323) the Hoare annotation is: true [2023-03-31 01:16:16,891 INFO L902 garLoopResultBuilder]: At program point L312(line 312) the Hoare annotation is: true [2023-03-31 01:16:16,891 INFO L899 garLoopResultBuilder]: For program point L314-2(lines 314 318) no Hoare annotation was computed. [2023-03-31 01:16:16,891 INFO L899 garLoopResultBuilder]: For program point L312-1(line 312) no Hoare annotation was computed. [2023-03-31 01:16:16,891 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelFINAL(lines 305 323) no Hoare annotation was computed. [2023-03-31 01:16:16,891 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 442 450) the Hoare annotation is: true [2023-03-31 01:16:16,891 INFO L899 garLoopResultBuilder]: For program point getWaterLevelFINAL(lines 442 450) no Hoare annotation was computed. [2023-03-31 01:16:16,891 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 442 450) no Hoare annotation was computed. [2023-03-31 01:16:16,892 INFO L895 garLoopResultBuilder]: At program point L145(line 145) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or (not (= |old(~pumpRunning~0)| 0)) (< |old(~waterLevel~0)| 1) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0))) [2023-03-31 01:16:16,892 INFO L895 garLoopResultBuilder]: At program point L143(lines 143 149) the Hoare annotation is: (let ((.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0))) (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (not .cse4)) (.cse1 (and (<= 2 ~waterLevel~0) .cse4 .cse3))) (and (or .cse0 .cse1 (and .cse2 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (<= ~waterLevel~0 |old(~waterLevel~0)|)) (< |old(~waterLevel~0)| 2)) (or (not (= |old(~pumpRunning~0)| 0)) (< |old(~waterLevel~0)| 1) (and .cse2 .cse3) .cse0 .cse1)))) [2023-03-31 01:16:16,892 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 132 155) no Hoare annotation was computed. [2023-03-31 01:16:16,892 INFO L895 garLoopResultBuilder]: At program point L138(line 138) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (or (not (= |old(~pumpRunning~0)| 0)) (< |old(~waterLevel~0)| 1) .cse0))) [2023-03-31 01:16:16,892 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 132 155) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1)) (or (not (= |old(~pumpRunning~0)| 0)) (< |old(~waterLevel~0)| 1) (and (= ~pumpRunning~0 0) .cse1) .cse0))) [2023-03-31 01:16:16,892 INFO L899 garLoopResultBuilder]: For program point L136(lines 135 154) no Hoare annotation was computed. [2023-03-31 01:16:16,892 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 132 155) no Hoare annotation was computed. [2023-03-31 01:16:16,892 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 514 543) no Hoare annotation was computed. [2023-03-31 01:16:16,892 INFO L902 garLoopResultBuilder]: At program point L539(lines 514 543) the Hoare annotation is: true [2023-03-31 01:16:16,892 INFO L899 garLoopResultBuilder]: For program point L535(line 535) no Hoare annotation was computed. [2023-03-31 01:16:16,892 INFO L899 garLoopResultBuilder]: For program point L528(lines 528 532) no Hoare annotation was computed. [2023-03-31 01:16:16,892 INFO L902 garLoopResultBuilder]: At program point L528-1(lines 528 532) the Hoare annotation is: true [2023-03-31 01:16:16,892 INFO L899 garLoopResultBuilder]: For program point L525(line 525) no Hoare annotation was computed. [2023-03-31 01:16:16,893 INFO L902 garLoopResultBuilder]: At program point L524-2(lines 524 538) the Hoare annotation is: true [2023-03-31 01:16:16,893 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 514 543) the Hoare annotation is: true [2023-03-31 01:16:16,893 INFO L902 garLoopResultBuilder]: At program point L520(line 520) the Hoare annotation is: true [2023-03-31 01:16:16,893 INFO L899 garLoopResultBuilder]: For program point L520-1(line 520) no Hoare annotation was computed. [2023-03-31 01:16:16,893 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 410 418) the Hoare annotation is: true [2023-03-31 01:16:16,893 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 410 418) no Hoare annotation was computed. [2023-03-31 01:16:16,893 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 410 418) no Hoare annotation was computed. [2023-03-31 01:16:16,893 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 374 385) no Hoare annotation was computed. [2023-03-31 01:16:16,893 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 374 385) the Hoare annotation is: (or (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (< |old(~waterLevel~0)| 2) (= |old(~waterLevel~0)| ~waterLevel~0)) [2023-03-31 01:16:16,893 INFO L899 garLoopResultBuilder]: For program point L378-1(lines 374 385) no Hoare annotation was computed. [2023-03-31 01:16:16,893 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 164 188) no Hoare annotation was computed. [2023-03-31 01:16:16,893 INFO L895 garLoopResultBuilder]: At program point L183(line 183) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0))) [2023-03-31 01:16:16,893 INFO L899 garLoopResultBuilder]: For program point L183-1(lines 164 188) no Hoare annotation was computed. [2023-03-31 01:16:16,893 INFO L895 garLoopResultBuilder]: At program point L178(line 178) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= processEnvironment__wrappee__highWaterSensor_~tmp~1 0))) [2023-03-31 01:16:16,893 INFO L895 garLoopResultBuilder]: At program point L174(line 174) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (< ~waterLevel~0 1) .cse1 (<= 2 ~waterLevel~0)) (or .cse0 (= ~pumpRunning~0 0) .cse1 (< ~waterLevel~0 2)))) [2023-03-31 01:16:16,893 INFO L899 garLoopResultBuilder]: For program point L172(lines 172 180) no Hoare annotation was computed. [2023-03-31 01:16:16,894 INFO L895 garLoopResultBuilder]: At program point L170(line 170) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0))) [2023-03-31 01:16:16,894 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 164 188) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0))) [2023-03-31 01:16:16,894 INFO L899 garLoopResultBuilder]: For program point L170-1(line 170) no Hoare annotation was computed. [2023-03-31 01:16:16,894 INFO L899 garLoopResultBuilder]: For program point L168(lines 168 185) no Hoare annotation was computed. [2023-03-31 01:16:16,894 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 386 397) no Hoare annotation was computed. [2023-03-31 01:16:16,894 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 386 397) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (< |old(~waterLevel~0)| 2) .cse1) (or (< |old(~waterLevel~0)| 1) (not (= ~pumpRunning~0 0)) .cse0 .cse1))) [2023-03-31 01:16:16,894 INFO L899 garLoopResultBuilder]: For program point L390-1(lines 386 397) no Hoare annotation was computed. [2023-03-31 01:16:16,894 INFO L899 garLoopResultBuilder]: For program point __automaton_failFINAL(lines 975 982) no Hoare annotation was computed. [2023-03-31 01:16:16,894 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 975 982) the Hoare annotation is: true [2023-03-31 01:16:16,894 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 979) no Hoare annotation was computed. [2023-03-31 01:16:16,894 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 975 982) no Hoare annotation was computed. [2023-03-31 01:16:16,894 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 496 502) the Hoare annotation is: true [2023-03-31 01:16:16,894 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 496 502) no Hoare annotation was computed. [2023-03-31 01:16:16,894 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 260 268) no Hoare annotation was computed. [2023-03-31 01:16:16,894 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 260 268) no Hoare annotation was computed. [2023-03-31 01:16:16,895 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 260 268) the Hoare annotation is: true [2023-03-31 01:16:16,895 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 296) no Hoare annotation was computed. [2023-03-31 01:16:16,895 INFO L899 garLoopResultBuilder]: For program point L288-2(lines 288 296) no Hoare annotation was computed. [2023-03-31 01:16:16,895 INFO L899 garLoopResultBuilder]: For program point L276(lines 276 284) no Hoare annotation was computed. [2023-03-31 01:16:16,895 INFO L899 garLoopResultBuilder]: For program point L276-2(lines 276 284) no Hoare annotation was computed. [2023-03-31 01:16:16,895 INFO L899 garLoopResultBuilder]: For program point printPumpFINAL(lines 269 304) no Hoare annotation was computed. [2023-03-31 01:16:16,895 INFO L899 garLoopResultBuilder]: For program point L299(line 299) no Hoare annotation was computed. [2023-03-31 01:16:16,895 INFO L899 garLoopResultBuilder]: For program point L299-1(line 299) no Hoare annotation was computed. [2023-03-31 01:16:16,895 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 269 304) no Hoare annotation was computed. [2023-03-31 01:16:16,895 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 269 304) no Hoare annotation was computed. [2023-03-31 01:16:16,895 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 615 660) no Hoare annotation was computed. [2023-03-31 01:16:16,895 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 615 660) no Hoare annotation was computed. [2023-03-31 01:16:16,895 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setFINAL(lines 615 660) no Hoare annotation was computed. [2023-03-31 01:16:16,895 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 575 584) no Hoare annotation was computed. [2023-03-31 01:16:16,895 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 575 584) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= ~waterLevel~0 1))) [2023-03-31 01:16:16,895 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 575 584) no Hoare annotation was computed. [2023-03-31 01:16:16,895 INFO L902 garLoopResultBuilder]: At program point L254(line 254) the Hoare annotation is: true [2023-03-31 01:16:16,895 INFO L899 garLoopResultBuilder]: For program point L254-1(line 254) no Hoare annotation was computed. [2023-03-31 01:16:16,895 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 249 259) no Hoare annotation was computed. [2023-03-31 01:16:16,896 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 249 259) the Hoare annotation is: true [2023-03-31 01:16:16,896 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 249 259) no Hoare annotation was computed. [2023-03-31 01:16:16,896 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 241 248) no Hoare annotation was computed. [2023-03-31 01:16:16,896 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 241 248) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0)) (= |old(~pumpRunning~0)| 0)) [2023-03-31 01:16:16,896 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 241 248) no Hoare annotation was computed. [2023-03-31 01:16:16,896 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 916) no Hoare annotation was computed. [2023-03-31 01:16:16,896 INFO L899 garLoopResultBuilder]: For program point L896-1(lines 896 916) no Hoare annotation was computed. [2023-03-31 01:16:16,896 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 882 927) no Hoare annotation was computed. [2023-03-31 01:16:16,896 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argFINAL(lines 882 927) no Hoare annotation was computed. [2023-03-31 01:16:16,896 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 882 927) no Hoare annotation was computed. [2023-03-31 01:16:16,896 INFO L899 garLoopResultBuilder]: For program point L902(lines 902 909) no Hoare annotation was computed. [2023-03-31 01:16:16,896 INFO L899 garLoopResultBuilder]: For program point select_oneFINAL(lines 479 488) no Hoare annotation was computed. [2023-03-31 01:16:16,896 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 479 488) no Hoare annotation was computed. [2023-03-31 01:16:16,896 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 479 488) no Hoare annotation was computed. [2023-03-31 01:16:16,896 INFO L899 garLoopResultBuilder]: For program point L830(lines 830 834) no Hoare annotation was computed. [2023-03-31 01:16:16,896 INFO L899 garLoopResultBuilder]: For program point L828-2(lines 828 848) no Hoare annotation was computed. [2023-03-31 01:16:16,896 INFO L899 garLoopResultBuilder]: For program point L849(lines 827 850) no Hoare annotation was computed. [2023-03-31 01:16:16,896 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 779 881) no Hoare annotation was computed. [2023-03-31 01:16:16,897 INFO L899 garLoopResultBuilder]: For program point L808(lines 808 824) no Hoare annotation was computed. [2023-03-31 01:16:16,897 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 779 881) no Hoare annotation was computed. [2023-03-31 01:16:16,897 INFO L899 garLoopResultBuilder]: For program point L868(lines 868 875) no Hoare annotation was computed. [2023-03-31 01:16:16,897 INFO L899 garLoopResultBuilder]: For program point L829(lines 828 848) no Hoare annotation was computed. [2023-03-31 01:16:16,897 INFO L899 garLoopResultBuilder]: For program point L860(line 860) no Hoare annotation was computed. [2023-03-31 01:16:16,897 INFO L899 garLoopResultBuilder]: For program point L860-1(line 860) no Hoare annotation was computed. [2023-03-31 01:16:16,897 INFO L899 garLoopResultBuilder]: For program point L825(lines 825 866) no Hoare annotation was computed. [2023-03-31 01:16:16,897 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 779 881) no Hoare annotation was computed. [2023-03-31 01:16:16,897 INFO L899 garLoopResultBuilder]: For program point L844(line 844) no Hoare annotation was computed. [2023-03-31 01:16:16,897 INFO L899 garLoopResultBuilder]: For program point L844-1(line 844) no Hoare annotation was computed. [2023-03-31 01:16:16,897 INFO L899 garLoopResultBuilder]: For program point L803(lines 803 807) no Hoare annotation was computed. [2023-03-31 01:16:16,897 INFO L899 garLoopResultBuilder]: For program point L867(lines 867 878) no Hoare annotation was computed. [2023-03-31 01:16:16,897 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-03-31 01:16:16,897 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|)) [2023-03-31 01:16:16,897 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-03-31 01:16:16,897 INFO L899 garLoopResultBuilder]: For program point L402-1(lines 398 409) no Hoare annotation was computed. [2023-03-31 01:16:16,897 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 398 409) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 (< ~waterLevel~0 2)) (or (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1) .cse0 .cse1))) [2023-03-31 01:16:16,897 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 398 409) no Hoare annotation was computed. [2023-03-31 01:16:16,897 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-03-31 01:16:16,898 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2023-03-31 01:16:16,898 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-03-31 01:16:16,898 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 568 574) no Hoare annotation was computed. [2023-03-31 01:16:16,898 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 568 574) the Hoare annotation is: true [2023-03-31 01:16:16,898 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-03-31 01:16:16,898 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-03-31 01:16:16,898 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-03-31 01:16:16,898 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-03-31 01:16:16,900 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:16:16,902 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-31 01:16:16,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.03 01:16:16 BoogieIcfgContainer [2023-03-31 01:16:16,916 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-31 01:16:16,917 INFO L158 Benchmark]: Toolchain (without parser) took 17615.57ms. Allocated memory was 287.3MB in the beginning and 596.6MB in the end (delta: 309.3MB). Free memory was 248.8MB in the beginning and 242.4MB in the end (delta: 6.4MB). Peak memory consumption was 363.7MB. Max. memory is 8.0GB. [2023-03-31 01:16:16,917 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 199.2MB. Free memory is still 149.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 01:16:16,917 INFO L158 Benchmark]: CACSL2BoogieTranslator took 298.67ms. Allocated memory is still 287.3MB. Free memory was 248.8MB in the beginning and 230.2MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-03-31 01:16:16,917 INFO L158 Benchmark]: Boogie Preprocessor took 69.97ms. Allocated memory is still 287.3MB. Free memory was 230.2MB in the beginning and 226.4MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-03-31 01:16:16,917 INFO L158 Benchmark]: RCFGBuilder took 741.35ms. Allocated memory is still 287.3MB. Free memory was 226.4MB in the beginning and 253.8MB in the end (delta: -27.4MB). Peak memory consumption was 46.0MB. Max. memory is 8.0GB. [2023-03-31 01:16:16,917 INFO L158 Benchmark]: TraceAbstraction took 16501.11ms. Allocated memory was 287.3MB in the beginning and 596.6MB in the end (delta: 309.3MB). Free memory was 252.8MB in the beginning and 242.4MB in the end (delta: 10.4MB). Peak memory consumption was 366.9MB. Max. memory is 8.0GB. [2023-03-31 01:16:16,918 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 199.2MB. Free memory is still 149.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 298.67ms. Allocated memory is still 287.3MB. Free memory was 248.8MB in the beginning and 230.2MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 69.97ms. Allocated memory is still 287.3MB. Free memory was 230.2MB in the beginning and 226.4MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 741.35ms. Allocated memory is still 287.3MB. Free memory was 226.4MB in the beginning and 253.8MB in the end (delta: -27.4MB). Peak memory consumption was 46.0MB. Max. memory is 8.0GB. * TraceAbstraction took 16501.11ms. Allocated memory was 287.3MB in the beginning and 596.6MB in the end (delta: 309.3MB). Free memory was 252.8MB in the beginning and 242.4MB in the end (delta: 10.4MB). Peak memory consumption was 366.9MB. 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: 979]: 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: 16.4s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 5.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3508 SdHoareTripleChecker+Valid, 3.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3372 mSDsluCounter, 3821 SdHoareTripleChecker+Invalid, 3.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2993 mSDsCounter, 1676 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6764 IncrementalHoareTripleChecker+Invalid, 8440 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1676 mSolverCounterUnsat, 828 mSDtfsCounter, 6764 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1958 GetRequests, 1751 SyntacticMatches, 17 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1050 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=995occurred in iteration=11, InterpolantAutomatonStates: 132, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 12 MinimizatonAttempts, 502 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 2125 PreInvPairs, 2182 NumberOfFragments, 943 HoareAnnotationTreeSize, 2125 FomulaSimplifications, 76369 FormulaSimplificationTreeSizeReduction, 2.6s HoareSimplificationTime, 64 FomulaSimplificationsInter, 7727 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 2582 NumberOfCodeBlocks, 2582 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 2713 ConstructedInterpolants, 0 QuantifiedInterpolants, 4491 SizeOfPredicates, 16 NumberOfNonLiveVariables, 3702 ConjunctsInSsa, 71 ConjunctsInUnsatCore, 20 InterpolantComputations, 11 PerfectInterpolantSequences, 697/774 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: 524]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 514]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (((pumpRunning == 0 && splverifierCounter == 0) && 1 == systemActive) && 1 <= waterLevel) RESULT: Ultimate proved your program to be correct! [2023-03-31 01:16:16,945 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...