/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/elevator_spec2_product11.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 02:59:04,776 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 02:59:04,778 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 02:59:04,798 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 02:59:04,799 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 02:59:04,799 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 02:59:04,800 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 02:59:04,813 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 02:59:04,815 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 02:59:04,819 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 02:59:04,821 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 02:59:04,822 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 02:59:04,822 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 02:59:04,824 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 02:59:04,826 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 02:59:04,827 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 02:59:04,828 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 02:59:04,829 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 02:59:04,830 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 02:59:04,835 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 02:59:04,835 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 02:59:04,839 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 02:59:04,839 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 02:59:04,840 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 02:59:04,841 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 02:59:04,841 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 02:59:04,842 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 02:59:04,842 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 02:59:04,842 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 02:59:04,843 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 02:59:04,843 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 02:59:04,843 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 02:59:04,844 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 02:59:04,844 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 02:59:04,845 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 02:59:04,845 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 02:59:04,845 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 02:59:04,845 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 02:59:04,845 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 02:59:04,846 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 02:59:04,846 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 02:59:04,849 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-04-02 02:59:04,874 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 02:59:04,874 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 02:59:04,874 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 02:59:04,874 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 02:59:04,875 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 02:59:04,875 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 02:59:04,876 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 02:59:04,876 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 02:59:04,876 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 02:59:04,876 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 02:59:04,877 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 02:59:04,877 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 02:59:04,877 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 02:59:04,877 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 02:59:04,877 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 02:59:04,877 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 02:59:04,877 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 02:59:04,877 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 02:59:04,877 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 02:59:04,877 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 02:59:04,878 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 02:59:04,878 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 02:59:04,878 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 02:59:04,878 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 02:59:04,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 02:59:04,878 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 02:59:04,878 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 02:59:04,878 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 02:59:04,878 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 02:59:04,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 02:59:04,878 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 02:59:04,879 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 02:59:04,879 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 02:59:04,879 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 02:59:04,879 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 02:59:04,879 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 02:59:05,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 02:59:05,089 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 02:59:05,091 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 02:59:05,092 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 02:59:05,092 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 02:59:05,092 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec2_product11.cil.c [2023-04-02 02:59:06,053 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 02:59:06,319 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 02:59:06,320 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec2_product11.cil.c [2023-04-02 02:59:06,342 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6566bdbbb/7f2388b2e78b450296cc3f6af7ee3a41/FLAGec92238f8 [2023-04-02 02:59:06,356 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6566bdbbb/7f2388b2e78b450296cc3f6af7ee3a41 [2023-04-02 02:59:06,358 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 02:59:06,359 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 02:59:06,359 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 02:59:06,360 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 02:59:06,371 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 02:59:06,372 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 02:59:06" (1/1) ... [2023-04-02 02:59:06,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4403d37a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 02:59:06, skipping insertion in model container [2023-04-02 02:59:06,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 02:59:06" (1/1) ... [2023-04-02 02:59:06,378 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 02:59:06,441 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 02:59:06,588 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/elevator_spec2_product11.cil.c[1545,1558] [2023-04-02 02:59:06,885 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 02:59:06,895 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 02:59:06,903 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/elevator_spec2_product11.cil.c[1545,1558] [2023-04-02 02:59:06,964 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 02:59:06,983 INFO L208 MainTranslator]: Completed translation [2023-04-02 02:59:06,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 02:59:06 WrapperNode [2023-04-02 02:59:06,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 02:59:06,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 02:59:06,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 02:59:06,985 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 02:59:06,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 02:59:06" (1/1) ... [2023-04-02 02:59:06,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 02:59:06" (1/1) ... [2023-04-02 02:59:07,023 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 02:59:06" (1/1) ... [2023-04-02 02:59:07,024 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 02:59:06" (1/1) ... [2023-04-02 02:59:07,054 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 02:59:06" (1/1) ... [2023-04-02 02:59:07,068 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 02:59:06" (1/1) ... [2023-04-02 02:59:07,078 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 02:59:06" (1/1) ... [2023-04-02 02:59:07,083 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 02:59:06" (1/1) ... [2023-04-02 02:59:07,097 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 02:59:07,097 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 02:59:07,097 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 02:59:07,098 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 02:59:07,098 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 02:59:06" (1/1) ... [2023-04-02 02:59:07,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 02:59:07,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 02:59:07,146 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-02 02:59:07,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 02:59:07,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 02:59:07,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-02 02:59:07,167 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-02 02:59:07,182 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 02:59:07,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-02 02:59:07,182 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2023-04-02 02:59:07,182 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2023-04-02 02:59:07,182 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2023-04-02 02:59:07,182 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2023-04-02 02:59:07,183 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2023-04-02 02:59:07,183 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2023-04-02 02:59:07,183 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2023-04-02 02:59:07,183 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2023-04-02 02:59:07,183 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-02 02:59:07,183 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2023-04-02 02:59:07,183 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2023-04-02 02:59:07,183 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2023-04-02 02:59:07,183 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-02 02:59:07,183 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2023-04-02 02:59:07,184 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-02 02:59:07,184 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-02 02:59:07,184 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 02:59:07,184 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2023-04-02 02:59:07,184 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2023-04-02 02:59:07,184 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2023-04-02 02:59:07,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-02 02:59:07,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-02 02:59:07,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-02 02:59:07,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-02 02:59:07,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-02 02:59:07,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-02 02:59:07,185 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2023-04-02 02:59:07,185 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2023-04-02 02:59:07,185 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2023-04-02 02:59:07,185 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2023-04-02 02:59:07,185 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2023-04-02 02:59:07,185 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2023-04-02 02:59:07,185 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2023-04-02 02:59:07,185 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2023-04-02 02:59:07,186 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2023-04-02 02:59:07,186 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2023-04-02 02:59:07,186 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2023-04-02 02:59:07,186 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2023-04-02 02:59:07,186 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2023-04-02 02:59:07,186 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2023-04-02 02:59:07,186 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2023-04-02 02:59:07,186 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2023-04-02 02:59:07,186 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2023-04-02 02:59:07,186 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2023-04-02 02:59:07,186 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2023-04-02 02:59:07,187 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2023-04-02 02:59:07,187 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2023-04-02 02:59:07,187 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2023-04-02 02:59:07,187 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2023-04-02 02:59:07,188 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-02 02:59:07,188 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2023-04-02 02:59:07,188 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2023-04-02 02:59:07,188 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2023-04-02 02:59:07,188 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2023-04-02 02:59:07,188 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2023-04-02 02:59:07,189 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2023-04-02 02:59:07,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2023-04-02 02:59:07,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2023-04-02 02:59:07,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2023-04-02 02:59:07,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2023-04-02 02:59:07,189 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2023-04-02 02:59:07,189 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2023-04-02 02:59:07,189 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2023-04-02 02:59:07,189 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2023-04-02 02:59:07,190 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2023-04-02 02:59:07,190 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2023-04-02 02:59:07,190 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2023-04-02 02:59:07,190 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2023-04-02 02:59:07,190 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-02 02:59:07,190 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-02 02:59:07,190 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-02 02:59:07,190 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-02 02:59:07,190 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-02 02:59:07,190 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 02:59:07,190 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 02:59:07,190 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 02:59:07,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 02:59:07,191 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 02:59:07,191 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-02 02:59:07,191 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-02 02:59:07,191 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2023-04-02 02:59:07,191 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2023-04-02 02:59:07,191 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2023-04-02 02:59:07,191 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2023-04-02 02:59:07,191 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2023-04-02 02:59:07,191 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2023-04-02 02:59:07,192 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2023-04-02 02:59:07,192 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2023-04-02 02:59:07,192 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2023-04-02 02:59:07,192 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-02 02:59:07,192 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2023-04-02 02:59:07,192 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2023-04-02 02:59:07,193 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2023-04-02 02:59:07,193 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-02 02:59:07,193 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2023-04-02 02:59:07,193 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2023-04-02 02:59:07,193 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2023-04-02 02:59:07,193 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2023-04-02 02:59:07,193 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2023-04-02 02:59:07,193 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-02 02:59:07,193 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2023-04-02 02:59:07,193 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-02 02:59:07,193 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2023-04-02 02:59:07,193 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2023-04-02 02:59:07,193 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-02 02:59:07,193 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-02 02:59:07,194 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-02 02:59:07,194 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-02 02:59:07,194 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-02 02:59:07,194 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 02:59:07,194 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2023-04-02 02:59:07,194 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2023-04-02 02:59:07,194 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 02:59:07,194 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 02:59:07,194 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-02 02:59:07,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 02:59:07,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 02:59:07,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 02:59:07,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 02:59:07,196 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-02 02:59:07,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 02:59:07,196 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-02 02:59:07,196 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-02 02:59:07,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 02:59:07,199 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-02 02:59:07,205 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-02 02:59:07,205 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-02 02:59:07,205 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-02 02:59:07,205 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2023-04-02 02:59:07,205 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2023-04-02 02:59:07,205 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2023-04-02 02:59:07,205 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2023-04-02 02:59:07,205 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2023-04-02 02:59:07,205 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2023-04-02 02:59:07,205 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2023-04-02 02:59:07,205 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2023-04-02 02:59:07,205 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2023-04-02 02:59:07,206 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2023-04-02 02:59:07,206 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2023-04-02 02:59:07,206 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2023-04-02 02:59:07,206 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2023-04-02 02:59:07,206 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2023-04-02 02:59:07,206 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2023-04-02 02:59:07,206 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2023-04-02 02:59:07,206 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2023-04-02 02:59:07,206 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2023-04-02 02:59:07,206 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2023-04-02 02:59:07,207 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2023-04-02 02:59:07,207 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2023-04-02 02:59:07,207 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2023-04-02 02:59:07,207 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2023-04-02 02:59:07,207 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2023-04-02 02:59:07,207 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2023-04-02 02:59:07,207 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2023-04-02 02:59:07,207 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2023-04-02 02:59:07,207 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2023-04-02 02:59:07,207 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2023-04-02 02:59:07,207 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2023-04-02 02:59:07,207 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2023-04-02 02:59:07,207 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2023-04-02 02:59:07,208 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2023-04-02 02:59:07,208 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2023-04-02 02:59:07,208 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-02 02:59:07,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 02:59:07,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 02:59:07,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 02:59:07,469 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 02:59:07,480 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 02:59:08,551 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 02:59:08,559 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 02:59:08,560 INFO L302 CfgBuilder]: Removed 10 assume(true) statements. [2023-04-02 02:59:08,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 02:59:08 BoogieIcfgContainer [2023-04-02 02:59:08,562 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 02:59:08,563 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 02:59:08,563 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 02:59:08,565 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 02:59:08,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 02:59:06" (1/3) ... [2023-04-02 02:59:08,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dd41154 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 02:59:08, skipping insertion in model container [2023-04-02 02:59:08,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 02:59:06" (2/3) ... [2023-04-02 02:59:08,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dd41154 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 02:59:08, skipping insertion in model container [2023-04-02 02:59:08,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 02:59:08" (3/3) ... [2023-04-02 02:59:08,567 INFO L112 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product11.cil.c [2023-04-02 02:59:08,578 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 02:59:08,578 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 02:59:08,619 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 02:59:08,623 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;@65d95da4, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 02:59:08,623 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 02:59:08,629 INFO L276 IsEmpty]: Start isEmpty. Operand has 765 states, 532 states have (on average 1.6353383458646618) internal successors, (870), 559 states have internal predecessors, (870), 171 states have call successors, (171), 49 states have call predecessors, (171), 49 states have return successors, (171), 162 states have call predecessors, (171), 171 states have call successors, (171) [2023-04-02 02:59:08,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-04-02 02:59:08,646 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 02:59:08,646 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1] [2023-04-02 02:59:08,647 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 02:59:08,650 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 02:59:08,650 INFO L85 PathProgramCache]: Analyzing trace with hash -336625018, now seen corresponding path program 1 times [2023-04-02 02:59:08,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 02:59:08,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068098709] [2023-04-02 02:59:08,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 02:59:08,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 02:59:08,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:09,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 02:59:09,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:09,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 02:59:09,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:09,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 02:59:09,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:09,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 02:59:09,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:09,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 02:59:09,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:09,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 02:59:09,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:09,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 02:59:09,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:09,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 02:59:09,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:09,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 02:59:09,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:09,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 02:59:09,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:09,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 02:59:09,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:09,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 02:59:09,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:09,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 02:59:09,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:09,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 02:59:09,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:09,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 02:59:09,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:09,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 02:59:09,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:09,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 02:59:09,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:09,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 02:59:09,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:09,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 02:59:09,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:09,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 02:59:09,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:09,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 02:59:09,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:09,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-02 02:59:09,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:09,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-04-02 02:59:09,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:09,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 02:59:09,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:09,973 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-02 02:59:09,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 02:59:09,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068098709] [2023-04-02 02:59:09,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068098709] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 02:59:09,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 02:59:09,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 02:59:09,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123917544] [2023-04-02 02:59:09,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 02:59:09,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 02:59:09,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 02:59:10,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 02:59:10,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-02 02:59:10,015 INFO L87 Difference]: Start difference. First operand has 765 states, 532 states have (on average 1.6353383458646618) internal successors, (870), 559 states have internal predecessors, (870), 171 states have call successors, (171), 49 states have call predecessors, (171), 49 states have return successors, (171), 162 states have call predecessors, (171), 171 states have call successors, (171) Second operand has 10 states, 10 states have (on average 7.1) internal successors, (71), 4 states have internal predecessors, (71), 3 states have call successors, (27), 8 states have call predecessors, (27), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2023-04-02 02:59:18,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 02:59:18,253 INFO L93 Difference]: Finished difference Result 1750 states and 3133 transitions. [2023-04-02 02:59:18,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-02 02:59:18,261 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 4 states have internal predecessors, (71), 3 states have call successors, (27), 8 states have call predecessors, (27), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) Word has length 133 [2023-04-02 02:59:18,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 02:59:18,289 INFO L225 Difference]: With dead ends: 1750 [2023-04-02 02:59:18,289 INFO L226 Difference]: Without dead ends: 1134 [2023-04-02 02:59:18,297 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2023-04-02 02:59:18,300 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 2630 mSDsluCounter, 588 mSDsCounter, 0 mSdLazyCounter, 4735 mSolverCounterSat, 1027 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2730 SdHoareTripleChecker+Valid, 753 SdHoareTripleChecker+Invalid, 5762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1027 IncrementalHoareTripleChecker+Valid, 4735 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2023-04-02 02:59:18,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2730 Valid, 753 Invalid, 5762 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1027 Valid, 4735 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2023-04-02 02:59:18,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1134 states. [2023-04-02 02:59:18,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1134 to 605. [2023-04-02 02:59:18,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 605 states, 447 states have (on average 1.6644295302013423) internal successors, (744), 466 states have internal predecessors, (744), 116 states have call successors, (116), 45 states have call predecessors, (116), 41 states have return successors, (108), 105 states have call predecessors, (108), 108 states have call successors, (108) [2023-04-02 02:59:18,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 968 transitions. [2023-04-02 02:59:18,513 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 968 transitions. Word has length 133 [2023-04-02 02:59:18,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 02:59:18,513 INFO L495 AbstractCegarLoop]: Abstraction has 605 states and 968 transitions. [2023-04-02 02:59:18,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 4 states have internal predecessors, (71), 3 states have call successors, (27), 8 states have call predecessors, (27), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2023-04-02 02:59:18,513 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 968 transitions. [2023-04-02 02:59:18,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-04-02 02:59:18,518 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 02:59:18,519 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 02:59:18,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 02:59:18,519 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 02:59:18,519 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 02:59:18,519 INFO L85 PathProgramCache]: Analyzing trace with hash 1401062916, now seen corresponding path program 1 times [2023-04-02 02:59:18,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 02:59:18,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415628224] [2023-04-02 02:59:18,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 02:59:18,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 02:59:18,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:18,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 02:59:18,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:18,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 02:59:18,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:18,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 02:59:18,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:18,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 02:59:18,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:18,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 02:59:18,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:18,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 02:59:18,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:18,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 02:59:19,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:19,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 02:59:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:19,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 02:59:19,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:19,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-02 02:59:19,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:19,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 02:59:19,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:19,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 02:59:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:19,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 02:59:19,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:19,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 02:59:19,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:19,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 02:59:19,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:19,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 02:59:19,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:19,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 02:59:19,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:19,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 02:59:19,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:19,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 02:59:19,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:19,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 02:59:19,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:19,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 02:59:19,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:19,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-02 02:59:19,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:19,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-04-02 02:59:19,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:19,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 02:59:19,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:19,302 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-02 02:59:19,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 02:59:19,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415628224] [2023-04-02 02:59:19,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415628224] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 02:59:19,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 02:59:19,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 02:59:19,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252562421] [2023-04-02 02:59:19,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 02:59:19,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 02:59:19,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 02:59:19,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 02:59:19,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-02 02:59:19,306 INFO L87 Difference]: Start difference. First operand 605 states and 968 transitions. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 4 states have internal predecessors, (74), 3 states have call successors, (27), 8 states have call predecessors, (27), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2023-04-02 02:59:26,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 02:59:26,625 INFO L93 Difference]: Finished difference Result 1702 states and 3032 transitions. [2023-04-02 02:59:26,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-02 02:59:26,626 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 4 states have internal predecessors, (74), 3 states have call successors, (27), 8 states have call predecessors, (27), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) Word has length 136 [2023-04-02 02:59:26,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 02:59:26,634 INFO L225 Difference]: With dead ends: 1702 [2023-04-02 02:59:26,634 INFO L226 Difference]: Without dead ends: 1134 [2023-04-02 02:59:26,639 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2023-04-02 02:59:26,641 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 2492 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 4545 mSolverCounterSat, 1015 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2590 SdHoareTripleChecker+Valid, 651 SdHoareTripleChecker+Invalid, 5560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1015 IncrementalHoareTripleChecker+Valid, 4545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2023-04-02 02:59:26,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2590 Valid, 651 Invalid, 5560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1015 Valid, 4545 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2023-04-02 02:59:26,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1134 states. [2023-04-02 02:59:26,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1134 to 605. [2023-04-02 02:59:26,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 605 states, 447 states have (on average 1.662192393736018) internal successors, (743), 466 states have internal predecessors, (743), 116 states have call successors, (116), 45 states have call predecessors, (116), 41 states have return successors, (108), 105 states have call predecessors, (108), 108 states have call successors, (108) [2023-04-02 02:59:26,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 967 transitions. [2023-04-02 02:59:26,810 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 967 transitions. Word has length 136 [2023-04-02 02:59:26,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 02:59:26,810 INFO L495 AbstractCegarLoop]: Abstraction has 605 states and 967 transitions. [2023-04-02 02:59:26,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 4 states have internal predecessors, (74), 3 states have call successors, (27), 8 states have call predecessors, (27), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2023-04-02 02:59:26,811 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 967 transitions. [2023-04-02 02:59:26,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-04-02 02:59:26,812 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 02:59:26,813 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 02:59:26,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 02:59:26,813 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 02:59:26,813 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 02:59:26,813 INFO L85 PathProgramCache]: Analyzing trace with hash 614901201, now seen corresponding path program 1 times [2023-04-02 02:59:26,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 02:59:26,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965742349] [2023-04-02 02:59:26,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 02:59:26,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 02:59:26,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:27,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 02:59:27,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:27,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 02:59:27,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:27,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 02:59:27,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:27,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 02:59:27,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:27,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 02:59:27,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:27,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 02:59:27,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:27,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 02:59:27,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:27,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 02:59:27,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:27,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 02:59:27,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:27,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 02:59:27,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:27,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 02:59:27,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:27,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-04-02 02:59:27,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:27,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 02:59:27,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:27,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 02:59:27,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:27,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 02:59:27,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:27,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 02:59:27,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:27,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 02:59:27,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:27,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 02:59:27,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:27,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 02:59:27,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:27,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 02:59:27,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:27,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 02:59:27,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:27,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-02 02:59:27,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:27,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-04-02 02:59:27,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:27,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 02:59:27,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:27,506 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-02 02:59:27,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 02:59:27,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965742349] [2023-04-02 02:59:27,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965742349] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 02:59:27,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 02:59:27,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 02:59:27,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056314330] [2023-04-02 02:59:27,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 02:59:27,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 02:59:27,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 02:59:27,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 02:59:27,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-02 02:59:27,508 INFO L87 Difference]: Start difference. First operand 605 states and 967 transitions. Second operand has 10 states, 10 states have (on average 7.5) internal successors, (75), 4 states have internal predecessors, (75), 3 states have call successors, (27), 8 states have call predecessors, (27), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2023-04-02 02:59:35,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 02:59:35,124 INFO L93 Difference]: Finished difference Result 1702 states and 3031 transitions. [2023-04-02 02:59:35,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-02 02:59:35,125 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.5) internal successors, (75), 4 states have internal predecessors, (75), 3 states have call successors, (27), 8 states have call predecessors, (27), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) Word has length 137 [2023-04-02 02:59:35,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 02:59:35,130 INFO L225 Difference]: With dead ends: 1702 [2023-04-02 02:59:35,130 INFO L226 Difference]: Without dead ends: 1134 [2023-04-02 02:59:35,132 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2023-04-02 02:59:35,133 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 2473 mSDsluCounter, 510 mSDsCounter, 0 mSdLazyCounter, 4810 mSolverCounterSat, 936 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2575 SdHoareTripleChecker+Valid, 655 SdHoareTripleChecker+Invalid, 5746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 936 IncrementalHoareTripleChecker+Valid, 4810 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2023-04-02 02:59:35,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2575 Valid, 655 Invalid, 5746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [936 Valid, 4810 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2023-04-02 02:59:35,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1134 states. [2023-04-02 02:59:35,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1134 to 605. [2023-04-02 02:59:35,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 605 states, 447 states have (on average 1.6599552572706935) internal successors, (742), 466 states have internal predecessors, (742), 116 states have call successors, (116), 45 states have call predecessors, (116), 41 states have return successors, (108), 105 states have call predecessors, (108), 108 states have call successors, (108) [2023-04-02 02:59:35,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 966 transitions. [2023-04-02 02:59:35,284 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 966 transitions. Word has length 137 [2023-04-02 02:59:35,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 02:59:35,284 INFO L495 AbstractCegarLoop]: Abstraction has 605 states and 966 transitions. [2023-04-02 02:59:35,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.5) internal successors, (75), 4 states have internal predecessors, (75), 3 states have call successors, (27), 8 states have call predecessors, (27), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2023-04-02 02:59:35,285 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 966 transitions. [2023-04-02 02:59:35,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-04-02 02:59:35,288 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 02:59:35,288 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 02:59:35,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 02:59:35,288 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 02:59:35,288 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 02:59:35,288 INFO L85 PathProgramCache]: Analyzing trace with hash 497312544, now seen corresponding path program 1 times [2023-04-02 02:59:35,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 02:59:35,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190789536] [2023-04-02 02:59:35,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 02:59:35,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 02:59:35,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:35,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 02:59:35,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:35,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 02:59:35,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:35,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 02:59:35,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:35,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 02:59:35,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:35,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 02:59:35,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:35,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 02:59:35,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:35,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 02:59:35,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:35,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 02:59:35,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:35,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 02:59:35,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:35,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 02:59:35,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:35,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 02:59:35,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:35,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-04-02 02:59:35,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:35,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 02:59:35,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:35,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 02:59:35,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:35,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 02:59:35,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:35,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 02:59:35,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:35,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 02:59:35,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:35,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 02:59:35,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:35,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 02:59:35,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:35,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 02:59:35,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:35,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 02:59:35,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:35,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-02 02:59:35,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:35,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-04-02 02:59:35,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:35,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 02:59:35,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:35,868 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-02 02:59:35,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 02:59:35,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190789536] [2023-04-02 02:59:35,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190789536] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 02:59:35,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 02:59:35,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 02:59:35,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249658891] [2023-04-02 02:59:35,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 02:59:35,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 02:59:35,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 02:59:35,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 02:59:35,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-02 02:59:35,871 INFO L87 Difference]: Start difference. First operand 605 states and 966 transitions. Second operand has 10 states, 10 states have (on average 7.6) internal successors, (76), 4 states have internal predecessors, (76), 3 states have call successors, (27), 8 states have call predecessors, (27), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2023-04-02 02:59:43,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 02:59:43,411 INFO L93 Difference]: Finished difference Result 1702 states and 3030 transitions. [2023-04-02 02:59:43,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-02 02:59:43,411 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 4 states have internal predecessors, (76), 3 states have call successors, (27), 8 states have call predecessors, (27), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) Word has length 138 [2023-04-02 02:59:43,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 02:59:43,417 INFO L225 Difference]: With dead ends: 1702 [2023-04-02 02:59:43,417 INFO L226 Difference]: Without dead ends: 1134 [2023-04-02 02:59:43,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2023-04-02 02:59:43,425 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 1897 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 4825 mSolverCounterSat, 761 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1994 SdHoareTripleChecker+Valid, 723 SdHoareTripleChecker+Invalid, 5586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 761 IncrementalHoareTripleChecker+Valid, 4825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2023-04-02 02:59:43,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1994 Valid, 723 Invalid, 5586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [761 Valid, 4825 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2023-04-02 02:59:43,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1134 states. [2023-04-02 02:59:43,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1134 to 605. [2023-04-02 02:59:43,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 605 states, 447 states have (on average 1.657718120805369) internal successors, (741), 466 states have internal predecessors, (741), 116 states have call successors, (116), 45 states have call predecessors, (116), 41 states have return successors, (108), 105 states have call predecessors, (108), 108 states have call successors, (108) [2023-04-02 02:59:43,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 965 transitions. [2023-04-02 02:59:43,582 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 965 transitions. Word has length 138 [2023-04-02 02:59:43,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 02:59:43,583 INFO L495 AbstractCegarLoop]: Abstraction has 605 states and 965 transitions. [2023-04-02 02:59:43,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 4 states have internal predecessors, (76), 3 states have call successors, (27), 8 states have call predecessors, (27), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2023-04-02 02:59:43,583 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 965 transitions. [2023-04-02 02:59:43,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-04-02 02:59:43,585 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 02:59:43,585 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 02:59:43,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-02 02:59:43,585 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 02:59:43,585 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 02:59:43,585 INFO L85 PathProgramCache]: Analyzing trace with hash -369347795, now seen corresponding path program 1 times [2023-04-02 02:59:43,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 02:59:43,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081416948] [2023-04-02 02:59:43,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 02:59:43,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 02:59:43,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:43,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 02:59:43,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:43,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 02:59:43,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:43,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 02:59:43,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:43,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 02:59:43,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:43,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 02:59:43,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:43,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 02:59:43,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:44,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 02:59:44,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:44,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 02:59:44,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:44,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 02:59:44,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:44,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 02:59:44,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:44,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 02:59:44,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:44,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 02:59:44,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:44,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 02:59:44,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:44,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 02:59:44,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:44,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 02:59:44,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:44,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 02:59:44,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:44,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 02:59:44,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:44,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 02:59:44,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:44,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 02:59:44,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:44,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 02:59:44,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:44,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 02:59:44,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:44,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-02 02:59:44,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:44,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-04-02 02:59:44,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:44,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 02:59:44,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:44,278 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-02 02:59:44,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 02:59:44,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081416948] [2023-04-02 02:59:44,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081416948] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 02:59:44,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 02:59:44,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 02:59:44,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297199733] [2023-04-02 02:59:44,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 02:59:44,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 02:59:44,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 02:59:44,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 02:59:44,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-02 02:59:44,280 INFO L87 Difference]: Start difference. First operand 605 states and 965 transitions. Second operand has 10 states, 10 states have (on average 7.7) internal successors, (77), 4 states have internal predecessors, (77), 3 states have call successors, (27), 8 states have call predecessors, (27), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2023-04-02 02:59:51,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 02:59:51,727 INFO L93 Difference]: Finished difference Result 1702 states and 3029 transitions. [2023-04-02 02:59:51,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-02 02:59:51,728 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.7) internal successors, (77), 4 states have internal predecessors, (77), 3 states have call successors, (27), 8 states have call predecessors, (27), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) Word has length 139 [2023-04-02 02:59:51,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 02:59:51,734 INFO L225 Difference]: With dead ends: 1702 [2023-04-02 02:59:51,734 INFO L226 Difference]: Without dead ends: 1134 [2023-04-02 02:59:51,735 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2023-04-02 02:59:51,736 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 2470 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 4864 mSolverCounterSat, 912 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2568 SdHoareTripleChecker+Valid, 638 SdHoareTripleChecker+Invalid, 5776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 912 IncrementalHoareTripleChecker+Valid, 4864 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2023-04-02 02:59:51,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2568 Valid, 638 Invalid, 5776 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [912 Valid, 4864 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2023-04-02 02:59:51,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1134 states. [2023-04-02 02:59:51,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1134 to 605. [2023-04-02 02:59:51,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 605 states, 447 states have (on average 1.6554809843400446) internal successors, (740), 466 states have internal predecessors, (740), 116 states have call successors, (116), 45 states have call predecessors, (116), 41 states have return successors, (108), 105 states have call predecessors, (108), 108 states have call successors, (108) [2023-04-02 02:59:51,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 964 transitions. [2023-04-02 02:59:51,902 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 964 transitions. Word has length 139 [2023-04-02 02:59:51,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 02:59:51,902 INFO L495 AbstractCegarLoop]: Abstraction has 605 states and 964 transitions. [2023-04-02 02:59:51,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.7) internal successors, (77), 4 states have internal predecessors, (77), 3 states have call successors, (27), 8 states have call predecessors, (27), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2023-04-02 02:59:51,903 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 964 transitions. [2023-04-02 02:59:51,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-04-02 02:59:51,904 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 02:59:51,905 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 02:59:51,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-02 02:59:51,905 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 02:59:51,905 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 02:59:51,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1312573500, now seen corresponding path program 1 times [2023-04-02 02:59:51,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 02:59:51,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629030895] [2023-04-02 02:59:51,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 02:59:51,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 02:59:51,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:52,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 02:59:52,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:52,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 02:59:52,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:52,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 02:59:52,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:52,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 02:59:52,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:52,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 02:59:52,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:52,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 02:59:52,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:52,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 02:59:52,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:52,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 02:59:52,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:52,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 02:59:52,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:52,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 02:59:52,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:52,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 02:59:52,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:52,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 02:59:52,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:52,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 02:59:52,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:52,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 02:59:52,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:52,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 02:59:52,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:52,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 02:59:52,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:52,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 02:59:52,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:52,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 02:59:52,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:52,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 02:59:52,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:52,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 02:59:52,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:52,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 02:59:52,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:52,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-02 02:59:52,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:52,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-04-02 02:59:52,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:52,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 02:59:52,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 02:59:52,687 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-02 02:59:52,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 02:59:52,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629030895] [2023-04-02 02:59:52,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629030895] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 02:59:52,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 02:59:52,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-04-02 02:59:52,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306185720] [2023-04-02 02:59:52,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 02:59:52,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-04-02 02:59:52,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 02:59:52,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-04-02 02:59:52,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2023-04-02 02:59:52,688 INFO L87 Difference]: Start difference. First operand 605 states and 964 transitions. Second operand has 16 states, 15 states have (on average 5.2) internal successors, (78), 8 states have internal predecessors, (78), 5 states have call successors, (27), 8 states have call predecessors, (27), 5 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2023-04-02 03:00:03,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:00:03,049 INFO L93 Difference]: Finished difference Result 1669 states and 2965 transitions. [2023-04-02 03:00:03,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-04-02 03:00:03,049 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.2) internal successors, (78), 8 states have internal predecessors, (78), 5 states have call successors, (27), 8 states have call predecessors, (27), 5 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) Word has length 140 [2023-04-02 03:00:03,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:00:03,056 INFO L225 Difference]: With dead ends: 1669 [2023-04-02 03:00:03,056 INFO L226 Difference]: Without dead ends: 1152 [2023-04-02 03:00:03,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 276 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=291, Invalid=1041, Unknown=0, NotChecked=0, Total=1332 [2023-04-02 03:00:03,060 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 2688 mSDsluCounter, 1409 mSDsCounter, 0 mSdLazyCounter, 11592 mSolverCounterSat, 1062 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2785 SdHoareTripleChecker+Valid, 1559 SdHoareTripleChecker+Invalid, 12654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1062 IncrementalHoareTripleChecker+Valid, 11592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2023-04-02 03:00:03,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2785 Valid, 1559 Invalid, 12654 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1062 Valid, 11592 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2023-04-02 03:00:03,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1152 states. [2023-04-02 03:00:03,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1152 to 612. [2023-04-02 03:00:03,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 612 states, 450 states have (on average 1.6511111111111112) internal successors, (743), 471 states have internal predecessors, (743), 118 states have call successors, (118), 45 states have call predecessors, (118), 43 states have return successors, (112), 107 states have call predecessors, (112), 110 states have call successors, (112) [2023-04-02 03:00:03,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 973 transitions. [2023-04-02 03:00:03,255 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 973 transitions. Word has length 140 [2023-04-02 03:00:03,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:00:03,255 INFO L495 AbstractCegarLoop]: Abstraction has 612 states and 973 transitions. [2023-04-02 03:00:03,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.2) internal successors, (78), 8 states have internal predecessors, (78), 5 states have call successors, (27), 8 states have call predecessors, (27), 5 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2023-04-02 03:00:03,255 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 973 transitions. [2023-04-02 03:00:03,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-04-02 03:00:03,259 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:00:03,259 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:00:03,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-02 03:00:03,259 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:00:03,259 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:00:03,260 INFO L85 PathProgramCache]: Analyzing trace with hash 2007220507, now seen corresponding path program 1 times [2023-04-02 03:00:03,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:00:03,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960917330] [2023-04-02 03:00:03,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:00:03,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:00:03,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:03,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:00:03,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:03,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:00:03,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:03,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:00:03,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:03,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:00:03,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:03,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:00:03,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:03,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:00:03,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:03,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 03:00:03,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:03,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:00:03,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:03,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:03,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:03,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:00:03,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:03,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 03:00:03,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:03,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 03:00:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:03,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:03,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:03,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:03,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:03,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:03,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:03,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:03,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:03,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 03:00:03,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:03,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 03:00:03,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:03,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:03,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:03,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:03,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:03,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 03:00:03,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:03,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-02 03:00:03,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:03,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-04-02 03:00:03,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:03,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:03,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:03,886 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-02 03:00:03,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:00:03,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960917330] [2023-04-02 03:00:03,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960917330] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:00:03,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:00:03,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 03:00:03,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169471192] [2023-04-02 03:00:03,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:00:03,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 03:00:03,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:00:03,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 03:00:03,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-02 03:00:03,887 INFO L87 Difference]: Start difference. First operand 612 states and 973 transitions. Second operand has 10 states, 10 states have (on average 7.8) internal successors, (78), 4 states have internal predecessors, (78), 4 states have call successors, (27), 8 states have call predecessors, (27), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2023-04-02 03:00:11,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:00:11,549 INFO L93 Difference]: Finished difference Result 1673 states and 2972 transitions. [2023-04-02 03:00:11,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-04-02 03:00:11,550 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.8) internal successors, (78), 4 states have internal predecessors, (78), 4 states have call successors, (27), 8 states have call predecessors, (27), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) Word has length 140 [2023-04-02 03:00:11,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:00:11,558 INFO L225 Difference]: With dead ends: 1673 [2023-04-02 03:00:11,558 INFO L226 Difference]: Without dead ends: 1146 [2023-04-02 03:00:11,560 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2023-04-02 03:00:11,561 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 2113 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 4560 mSolverCounterSat, 841 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2212 SdHoareTripleChecker+Valid, 640 SdHoareTripleChecker+Invalid, 5401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 841 IncrementalHoareTripleChecker+Valid, 4560 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2023-04-02 03:00:11,561 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2212 Valid, 640 Invalid, 5401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [841 Valid, 4560 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2023-04-02 03:00:11,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1146 states. [2023-04-02 03:00:11,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1146 to 612. [2023-04-02 03:00:11,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 612 states, 450 states have (on average 1.64) internal successors, (738), 471 states have internal predecessors, (738), 118 states have call successors, (118), 45 states have call predecessors, (118), 43 states have return successors, (112), 107 states have call predecessors, (112), 110 states have call successors, (112) [2023-04-02 03:00:11,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 968 transitions. [2023-04-02 03:00:11,761 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 968 transitions. Word has length 140 [2023-04-02 03:00:11,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:00:11,761 INFO L495 AbstractCegarLoop]: Abstraction has 612 states and 968 transitions. [2023-04-02 03:00:11,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.8) internal successors, (78), 4 states have internal predecessors, (78), 4 states have call successors, (27), 8 states have call predecessors, (27), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2023-04-02 03:00:11,762 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 968 transitions. [2023-04-02 03:00:11,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-04-02 03:00:11,764 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:00:11,764 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:00:11,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-02 03:00:11,764 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:00:11,764 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:00:11,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1197126623, now seen corresponding path program 1 times [2023-04-02 03:00:11,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:00:11,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861677870] [2023-04-02 03:00:11,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:00:11,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:00:11,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:11,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:00:11,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:11,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:00:11,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:11,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:00:11,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:11,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:00:11,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:11,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:00:11,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:11,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:00:11,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:12,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 03:00:12,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:12,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:00:12,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:12,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:12,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:12,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:00:12,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:12,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 03:00:12,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:12,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-04-02 03:00:12,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:12,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:12,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:12,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:12,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:12,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:12,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:12,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:12,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:12,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 03:00:12,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:12,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 03:00:12,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:12,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:12,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:12,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:12,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:12,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 03:00:12,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:12,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-02 03:00:12,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:12,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-04-02 03:00:12,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:12,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:12,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:12,318 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-02 03:00:12,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:00:12,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861677870] [2023-04-02 03:00:12,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861677870] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:00:12,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:00:12,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 03:00:12,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966840741] [2023-04-02 03:00:12,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:00:12,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 03:00:12,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:00:12,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 03:00:12,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-02 03:00:12,319 INFO L87 Difference]: Start difference. First operand 612 states and 968 transitions. Second operand has 10 states, 10 states have (on average 7.9) internal successors, (79), 4 states have internal predecessors, (79), 4 states have call successors, (27), 8 states have call predecessors, (27), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2023-04-02 03:00:20,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:00:20,863 INFO L93 Difference]: Finished difference Result 1673 states and 2967 transitions. [2023-04-02 03:00:20,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-04-02 03:00:20,864 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.9) internal successors, (79), 4 states have internal predecessors, (79), 4 states have call successors, (27), 8 states have call predecessors, (27), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) Word has length 141 [2023-04-02 03:00:20,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:00:20,870 INFO L225 Difference]: With dead ends: 1673 [2023-04-02 03:00:20,870 INFO L226 Difference]: Without dead ends: 1146 [2023-04-02 03:00:20,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2023-04-02 03:00:20,872 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 1956 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 5243 mSolverCounterSat, 744 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2053 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 5987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 744 IncrementalHoareTripleChecker+Valid, 5243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2023-04-02 03:00:20,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2053 Valid, 706 Invalid, 5987 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [744 Valid, 5243 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2023-04-02 03:00:20,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1146 states. [2023-04-02 03:00:21,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1146 to 612. [2023-04-02 03:00:21,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 612 states, 450 states have (on average 1.6288888888888888) internal successors, (733), 471 states have internal predecessors, (733), 118 states have call successors, (118), 45 states have call predecessors, (118), 43 states have return successors, (112), 107 states have call predecessors, (112), 110 states have call successors, (112) [2023-04-02 03:00:21,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 963 transitions. [2023-04-02 03:00:21,055 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 963 transitions. Word has length 141 [2023-04-02 03:00:21,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:00:21,055 INFO L495 AbstractCegarLoop]: Abstraction has 612 states and 963 transitions. [2023-04-02 03:00:21,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.9) internal successors, (79), 4 states have internal predecessors, (79), 4 states have call successors, (27), 8 states have call predecessors, (27), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2023-04-02 03:00:21,056 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 963 transitions. [2023-04-02 03:00:21,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-04-02 03:00:21,058 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:00:21,058 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:00:21,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-02 03:00:21,058 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:00:21,059 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:00:21,059 INFO L85 PathProgramCache]: Analyzing trace with hash -2039929376, now seen corresponding path program 1 times [2023-04-02 03:00:21,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:00:21,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169025007] [2023-04-02 03:00:21,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:00:21,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:00:21,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:21,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:00:21,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:21,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:00:21,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:21,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:00:21,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:21,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:00:21,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:21,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:00:21,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:21,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:00:21,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:21,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 03:00:21,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:21,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:00:21,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:21,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:21,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:21,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:00:21,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:21,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 03:00:21,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:21,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 03:00:21,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:21,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:21,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:21,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:21,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:21,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:21,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:21,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:21,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:21,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 03:00:21,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:21,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 03:00:21,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:21,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:21,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:21,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:21,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:21,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 03:00:21,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:21,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-02 03:00:21,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:21,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-04-02 03:00:21,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:21,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:21,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:21,657 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-02 03:00:21,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:00:21,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169025007] [2023-04-02 03:00:21,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169025007] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:00:21,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:00:21,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 03:00:21,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722748034] [2023-04-02 03:00:21,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:00:21,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 03:00:21,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:00:21,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 03:00:21,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-02 03:00:21,659 INFO L87 Difference]: Start difference. First operand 612 states and 963 transitions. Second operand has 10 states, 10 states have (on average 8.0) internal successors, (80), 4 states have internal predecessors, (80), 4 states have call successors, (27), 8 states have call predecessors, (27), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2023-04-02 03:00:28,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:00:28,882 INFO L93 Difference]: Finished difference Result 1673 states and 2962 transitions. [2023-04-02 03:00:28,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-04-02 03:00:28,882 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 4 states have internal predecessors, (80), 4 states have call successors, (27), 8 states have call predecessors, (27), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) Word has length 142 [2023-04-02 03:00:28,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:00:28,888 INFO L225 Difference]: With dead ends: 1673 [2023-04-02 03:00:28,888 INFO L226 Difference]: Without dead ends: 1146 [2023-04-02 03:00:28,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2023-04-02 03:00:28,890 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 2480 mSDsluCounter, 575 mSDsCounter, 0 mSdLazyCounter, 4529 mSolverCounterSat, 1006 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2578 SdHoareTripleChecker+Valid, 724 SdHoareTripleChecker+Invalid, 5535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1006 IncrementalHoareTripleChecker+Valid, 4529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2023-04-02 03:00:28,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2578 Valid, 724 Invalid, 5535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1006 Valid, 4529 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2023-04-02 03:00:28,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1146 states. [2023-04-02 03:00:29,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1146 to 612. [2023-04-02 03:00:29,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 612 states, 450 states have (on average 1.6177777777777778) internal successors, (728), 471 states have internal predecessors, (728), 118 states have call successors, (118), 45 states have call predecessors, (118), 43 states have return successors, (112), 107 states have call predecessors, (112), 110 states have call successors, (112) [2023-04-02 03:00:29,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 958 transitions. [2023-04-02 03:00:29,095 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 958 transitions. Word has length 142 [2023-04-02 03:00:29,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:00:29,096 INFO L495 AbstractCegarLoop]: Abstraction has 612 states and 958 transitions. [2023-04-02 03:00:29,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 4 states have internal predecessors, (80), 4 states have call successors, (27), 8 states have call predecessors, (27), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2023-04-02 03:00:29,096 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 958 transitions. [2023-04-02 03:00:29,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-04-02 03:00:29,098 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:00:29,098 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:00:29,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-02 03:00:29,098 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:00:29,099 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:00:29,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1605666822, now seen corresponding path program 1 times [2023-04-02 03:00:29,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:00:29,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855915444] [2023-04-02 03:00:29,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:00:29,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:00:29,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:29,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:00:29,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:29,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:00:29,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:29,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:00:29,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:29,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:00:29,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:29,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:00:29,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:29,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:00:29,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:29,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 03:00:29,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:29,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:00:29,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:29,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:29,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:29,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:00:29,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:29,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:00:29,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:29,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-04-02 03:00:29,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:29,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:29,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:29,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:29,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:29,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:29,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:29,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:29,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:29,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 03:00:29,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:29,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 03:00:29,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:29,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:29,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:29,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:29,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:29,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 03:00:29,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:29,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-02 03:00:29,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:29,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-04-02 03:00:29,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:29,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:29,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:29,644 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-02 03:00:29,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:00:29,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855915444] [2023-04-02 03:00:29,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855915444] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:00:29,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:00:29,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 03:00:29,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238244500] [2023-04-02 03:00:29,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:00:29,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 03:00:29,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:00:29,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 03:00:29,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-02 03:00:29,645 INFO L87 Difference]: Start difference. First operand 612 states and 958 transitions. Second operand has 10 states, 10 states have (on average 8.1) internal successors, (81), 4 states have internal predecessors, (81), 4 states have call successors, (27), 8 states have call predecessors, (27), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2023-04-02 03:00:36,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:00:36,424 INFO L93 Difference]: Finished difference Result 1673 states and 2957 transitions. [2023-04-02 03:00:36,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-04-02 03:00:36,425 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.1) internal successors, (81), 4 states have internal predecessors, (81), 4 states have call successors, (27), 8 states have call predecessors, (27), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) Word has length 143 [2023-04-02 03:00:36,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:00:36,435 INFO L225 Difference]: With dead ends: 1673 [2023-04-02 03:00:36,435 INFO L226 Difference]: Without dead ends: 1146 [2023-04-02 03:00:36,438 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2023-04-02 03:00:36,438 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 2471 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 4304 mSolverCounterSat, 1054 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2570 SdHoareTripleChecker+Valid, 672 SdHoareTripleChecker+Invalid, 5358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1054 IncrementalHoareTripleChecker+Valid, 4304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2023-04-02 03:00:36,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2570 Valid, 672 Invalid, 5358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1054 Valid, 4304 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2023-04-02 03:00:36,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1146 states. [2023-04-02 03:00:36,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1146 to 612. [2023-04-02 03:00:36,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 612 states, 450 states have (on average 1.6066666666666667) internal successors, (723), 471 states have internal predecessors, (723), 118 states have call successors, (118), 45 states have call predecessors, (118), 43 states have return successors, (112), 107 states have call predecessors, (112), 110 states have call successors, (112) [2023-04-02 03:00:36,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 953 transitions. [2023-04-02 03:00:36,636 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 953 transitions. Word has length 143 [2023-04-02 03:00:36,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:00:36,637 INFO L495 AbstractCegarLoop]: Abstraction has 612 states and 953 transitions. [2023-04-02 03:00:36,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.1) internal successors, (81), 4 states have internal predecessors, (81), 4 states have call successors, (27), 8 states have call predecessors, (27), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2023-04-02 03:00:36,637 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 953 transitions. [2023-04-02 03:00:36,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-04-02 03:00:36,640 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:00:36,640 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:00:36,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-04-02 03:00:36,640 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:00:36,641 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:00:36,641 INFO L85 PathProgramCache]: Analyzing trace with hash 277139431, now seen corresponding path program 1 times [2023-04-02 03:00:36,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:00:36,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695068218] [2023-04-02 03:00:36,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:00:36,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:00:36,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:36,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:00:36,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:36,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:00:36,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:36,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:00:36,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:36,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:00:36,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:36,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:00:36,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:36,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:00:36,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:36,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 03:00:36,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:37,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:00:37,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:37,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:37,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:37,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:00:37,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:37,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:00:37,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:37,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-04-02 03:00:37,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:37,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:37,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:37,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:37,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:37,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:37,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:37,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:37,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:37,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 03:00:37,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:37,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 03:00:37,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:37,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:37,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:37,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:37,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:37,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 03:00:37,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:37,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-02 03:00:37,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:37,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-04-02 03:00:37,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:37,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:37,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:37,257 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-02 03:00:37,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:00:37,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695068218] [2023-04-02 03:00:37,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695068218] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:00:37,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:00:37,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-04-02 03:00:37,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444422998] [2023-04-02 03:00:37,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:00:37,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-04-02 03:00:37,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:00:37,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-04-02 03:00:37,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2023-04-02 03:00:37,258 INFO L87 Difference]: Start difference. First operand 612 states and 953 transitions. Second operand has 14 states, 13 states have (on average 6.230769230769231) internal successors, (81), 7 states have internal predecessors, (81), 5 states have call successors, (27), 8 states have call predecessors, (27), 4 states have return successors, (23), 3 states have call predecessors, (23), 5 states have call successors, (23) [2023-04-02 03:00:46,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:00:46,519 INFO L93 Difference]: Finished difference Result 1673 states and 2950 transitions. [2023-04-02 03:00:46,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-04-02 03:00:46,521 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.230769230769231) internal successors, (81), 7 states have internal predecessors, (81), 5 states have call successors, (27), 8 states have call predecessors, (27), 4 states have return successors, (23), 3 states have call predecessors, (23), 5 states have call successors, (23) Word has length 143 [2023-04-02 03:00:46,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:00:46,526 INFO L225 Difference]: With dead ends: 1673 [2023-04-02 03:00:46,526 INFO L226 Difference]: Without dead ends: 1154 [2023-04-02 03:00:46,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=226, Invalid=766, Unknown=0, NotChecked=0, Total=992 [2023-04-02 03:00:46,527 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 1982 mSDsluCounter, 1086 mSDsCounter, 0 mSdLazyCounter, 9443 mSolverCounterSat, 785 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2079 SdHoareTripleChecker+Valid, 1234 SdHoareTripleChecker+Invalid, 10228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 785 IncrementalHoareTripleChecker+Valid, 9443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2023-04-02 03:00:46,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2079 Valid, 1234 Invalid, 10228 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [785 Valid, 9443 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2023-04-02 03:00:46,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1154 states. [2023-04-02 03:00:46,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1154 to 614. [2023-04-02 03:00:46,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 614 states, 451 states have (on average 1.605321507760532) internal successors, (724), 473 states have internal predecessors, (724), 118 states have call successors, (118), 45 states have call predecessors, (118), 44 states have return successors, (113), 107 states have call predecessors, (113), 110 states have call successors, (113) [2023-04-02 03:00:46,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 955 transitions. [2023-04-02 03:00:46,714 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 955 transitions. Word has length 143 [2023-04-02 03:00:46,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:00:46,714 INFO L495 AbstractCegarLoop]: Abstraction has 614 states and 955 transitions. [2023-04-02 03:00:46,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.230769230769231) internal successors, (81), 7 states have internal predecessors, (81), 5 states have call successors, (27), 8 states have call predecessors, (27), 4 states have return successors, (23), 3 states have call predecessors, (23), 5 states have call successors, (23) [2023-04-02 03:00:46,714 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 955 transitions. [2023-04-02 03:00:46,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-04-02 03:00:46,716 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:00:46,716 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:00:46,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-04-02 03:00:46,716 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:00:46,717 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:00:46,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1637257563, now seen corresponding path program 1 times [2023-04-02 03:00:46,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:00:46,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723825315] [2023-04-02 03:00:46,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:00:46,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:00:46,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:46,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:00:46,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:46,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:00:46,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:46,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:00:46,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:46,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:00:46,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:46,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:00:46,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:46,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:00:46,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:47,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 03:00:47,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:47,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:00:47,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:47,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:47,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:47,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:00:47,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:47,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 03:00:47,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:47,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:00:47,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:47,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:47,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:47,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:47,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:47,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:47,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:47,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:47,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:47,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 03:00:47,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:47,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 03:00:47,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:47,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:47,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:47,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:47,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:47,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 03:00:47,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:47,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-02 03:00:47,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:47,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-04-02 03:00:47,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:47,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:47,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:47,270 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-02 03:00:47,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:00:47,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723825315] [2023-04-02 03:00:47,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723825315] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:00:47,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:00:47,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 03:00:47,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444519588] [2023-04-02 03:00:47,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:00:47,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 03:00:47,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:00:47,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 03:00:47,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-02 03:00:47,272 INFO L87 Difference]: Start difference. First operand 614 states and 955 transitions. Second operand has 10 states, 10 states have (on average 8.2) internal successors, (82), 4 states have internal predecessors, (82), 4 states have call successors, (27), 8 states have call predecessors, (27), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2023-04-02 03:00:54,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:00:54,909 INFO L93 Difference]: Finished difference Result 1675 states and 2956 transitions. [2023-04-02 03:00:54,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-04-02 03:00:54,910 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.2) internal successors, (82), 4 states have internal predecessors, (82), 4 states have call successors, (27), 8 states have call predecessors, (27), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) Word has length 144 [2023-04-02 03:00:54,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:00:54,915 INFO L225 Difference]: With dead ends: 1675 [2023-04-02 03:00:54,915 INFO L226 Difference]: Without dead ends: 1148 [2023-04-02 03:00:54,917 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2023-04-02 03:00:54,917 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 1904 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 4718 mSolverCounterSat, 784 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2004 SdHoareTripleChecker+Valid, 672 SdHoareTripleChecker+Invalid, 5502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 784 IncrementalHoareTripleChecker+Valid, 4718 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2023-04-02 03:00:54,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2004 Valid, 672 Invalid, 5502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [784 Valid, 4718 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2023-04-02 03:00:54,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1148 states. [2023-04-02 03:00:55,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1148 to 614. [2023-04-02 03:00:55,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 614 states, 451 states have (on average 1.5942350332594235) internal successors, (719), 473 states have internal predecessors, (719), 118 states have call successors, (118), 45 states have call predecessors, (118), 44 states have return successors, (113), 107 states have call predecessors, (113), 110 states have call successors, (113) [2023-04-02 03:00:55,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 950 transitions. [2023-04-02 03:00:55,123 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 950 transitions. Word has length 144 [2023-04-02 03:00:55,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:00:55,124 INFO L495 AbstractCegarLoop]: Abstraction has 614 states and 950 transitions. [2023-04-02 03:00:55,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.2) internal successors, (82), 4 states have internal predecessors, (82), 4 states have call successors, (27), 8 states have call predecessors, (27), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2023-04-02 03:00:55,124 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 950 transitions. [2023-04-02 03:00:55,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-04-02 03:00:55,126 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:00:55,126 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:00:55,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-04-02 03:00:55,126 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:00:55,126 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:00:55,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1924909901, now seen corresponding path program 1 times [2023-04-02 03:00:55,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:00:55,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419282601] [2023-04-02 03:00:55,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:00:55,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:00:55,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:55,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:00:55,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:55,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:00:55,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:55,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:00:55,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:55,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:00:55,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:55,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:00:55,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:55,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:00:55,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:55,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 03:00:55,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:55,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:00:55,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:55,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:55,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:55,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:00:55,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:55,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:00:55,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:55,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:00:55,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:55,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:55,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:55,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:55,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:55,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:55,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:55,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:55,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:55,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 03:00:55,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:55,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 03:00:55,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:55,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:55,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:55,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:55,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:55,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 03:00:55,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:55,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-02 03:00:55,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:55,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-04-02 03:00:55,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:55,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:00:55,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:00:55,770 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-02 03:00:55,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:00:55,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419282601] [2023-04-02 03:00:55,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419282601] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:00:55,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:00:55,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-04-02 03:00:55,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124958428] [2023-04-02 03:00:55,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:00:55,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-04-02 03:00:55,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:00:55,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-04-02 03:00:55,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2023-04-02 03:00:55,771 INFO L87 Difference]: Start difference. First operand 614 states and 950 transitions. Second operand has 14 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 7 states have internal predecessors, (82), 5 states have call successors, (27), 8 states have call predecessors, (27), 4 states have return successors, (23), 3 states have call predecessors, (23), 5 states have call successors, (23) [2023-04-02 03:01:05,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:01:05,561 INFO L93 Difference]: Finished difference Result 1685 states and 2967 transitions. [2023-04-02 03:01:05,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-04-02 03:01:05,561 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 7 states have internal predecessors, (82), 5 states have call successors, (27), 8 states have call predecessors, (27), 4 states have return successors, (23), 3 states have call predecessors, (23), 5 states have call successors, (23) Word has length 144 [2023-04-02 03:01:05,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:01:05,566 INFO L225 Difference]: With dead ends: 1685 [2023-04-02 03:01:05,566 INFO L226 Difference]: Without dead ends: 1164 [2023-04-02 03:01:05,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=226, Invalid=766, Unknown=0, NotChecked=0, Total=992 [2023-04-02 03:01:05,568 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 1296 mSDsluCounter, 1161 mSDsCounter, 0 mSdLazyCounter, 9513 mSolverCounterSat, 548 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1394 SdHoareTripleChecker+Valid, 1309 SdHoareTripleChecker+Invalid, 10061 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 548 IncrementalHoareTripleChecker+Valid, 9513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2023-04-02 03:01:05,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1394 Valid, 1309 Invalid, 10061 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [548 Valid, 9513 Invalid, 0 Unknown, 0 Unchecked, 7.9s Time] [2023-04-02 03:01:05,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1164 states. [2023-04-02 03:01:05,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1164 to 617. [2023-04-02 03:01:05,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 617 states, 452 states have (on average 1.592920353982301) internal successors, (720), 476 states have internal predecessors, (720), 119 states have call successors, (119), 45 states have call predecessors, (119), 45 states have return successors, (115), 107 states have call predecessors, (115), 111 states have call successors, (115) [2023-04-02 03:01:05,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 954 transitions. [2023-04-02 03:01:05,784 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 954 transitions. Word has length 144 [2023-04-02 03:01:05,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:01:05,784 INFO L495 AbstractCegarLoop]: Abstraction has 617 states and 954 transitions. [2023-04-02 03:01:05,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 7 states have internal predecessors, (82), 5 states have call successors, (27), 8 states have call predecessors, (27), 4 states have return successors, (23), 3 states have call predecessors, (23), 5 states have call successors, (23) [2023-04-02 03:01:05,785 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 954 transitions. [2023-04-02 03:01:05,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-04-02 03:01:05,786 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:01:05,786 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:01:05,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-04-02 03:01:05,787 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:01:05,787 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:01:05,787 INFO L85 PathProgramCache]: Analyzing trace with hash -2074884115, now seen corresponding path program 1 times [2023-04-02 03:01:05,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:01:05,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342928750] [2023-04-02 03:01:05,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:01:05,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:01:05,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:05,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:01:05,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:05,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:01:05,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:05,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:01:05,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:05,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:01:05,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:05,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:01:05,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:06,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:01:06,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:06,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 03:01:06,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:06,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:01:06,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:06,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:06,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:06,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:01:06,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:06,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-02 03:01:06,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:06,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-02 03:01:06,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:06,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:06,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:06,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:06,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:06,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:06,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:06,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:06,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:06,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 03:01:06,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:06,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 03:01:06,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:06,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:06,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:06,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:06,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:06,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 03:01:06,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:06,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-02 03:01:06,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:06,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-04-02 03:01:06,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:06,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:06,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:06,612 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-04-02 03:01:06,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:01:06,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342928750] [2023-04-02 03:01:06,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342928750] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:01:06,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1928713066] [2023-04-02 03:01:06,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:01:06,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:01:06,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:01:06,616 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 03:01:06,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-02 03:01:07,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:07,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 2416 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-02 03:01:07,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:01:07,155 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-04-02 03:01:07,155 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:01:07,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1928713066] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:01:07,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:01:07,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 20 [2023-04-02 03:01:07,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958357385] [2023-04-02 03:01:07,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:01:07,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-02 03:01:07,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:01:07,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-02 03:01:07,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 03:01:07,156 INFO L87 Difference]: Start difference. First operand 617 states and 954 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 3 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) [2023-04-02 03:01:07,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:01:07,697 INFO L93 Difference]: Finished difference Result 1137 states and 1819 transitions. [2023-04-02 03:01:07,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-02 03:01:07,697 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), 3 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) Word has length 145 [2023-04-02 03:01:07,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:01:07,700 INFO L225 Difference]: With dead ends: 1137 [2023-04-02 03:01:07,700 INFO L226 Difference]: Without dead ends: 625 [2023-04-02 03:01:07,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 185 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=58, Invalid=362, Unknown=0, NotChecked=0, Total=420 [2023-04-02 03:01:07,702 INFO L413 NwaCegarLoop]: 909 mSDtfsCounter, 865 mSDsluCounter, 1401 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 883 SdHoareTripleChecker+Valid, 2310 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-02 03:01:07,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [883 Valid, 2310 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 502 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-02 03:01:07,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2023-04-02 03:01:07,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 625. [2023-04-02 03:01:07,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 625 states, 459 states have (on average 1.5947712418300655) internal successors, (732), 483 states have internal predecessors, (732), 119 states have call successors, (119), 46 states have call predecessors, (119), 46 states have return successors, (116), 107 states have call predecessors, (116), 111 states have call successors, (116) [2023-04-02 03:01:07,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 967 transitions. [2023-04-02 03:01:07,904 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 967 transitions. Word has length 145 [2023-04-02 03:01:07,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:01:07,905 INFO L495 AbstractCegarLoop]: Abstraction has 625 states and 967 transitions. [2023-04-02 03:01:07,905 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), 3 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) [2023-04-02 03:01:07,905 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 967 transitions. [2023-04-02 03:01:07,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-04-02 03:01:07,907 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:01:07,907 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:01:07,926 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-04-02 03:01:08,126 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,SelfDestructingSolverStorable13 [2023-04-02 03:01:08,127 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:01:08,127 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:01:08,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1531040085, now seen corresponding path program 1 times [2023-04-02 03:01:08,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:01:08,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540200721] [2023-04-02 03:01:08,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:01:08,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:01:08,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:08,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:01:08,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:08,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:01:08,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:08,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:01:08,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:08,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:01:08,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:08,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:01:08,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:08,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:01:08,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:08,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 03:01:08,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:08,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:01:08,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:08,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:08,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:08,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:01:08,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:08,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-04-02 03:01:08,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:08,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-02 03:01:08,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:08,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:08,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:08,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:08,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:08,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:08,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:08,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:08,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:08,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 03:01:08,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:08,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-04-02 03:01:08,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:08,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:08,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:08,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:08,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:08,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 03:01:08,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:08,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 03:01:08,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:08,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-04-02 03:01:08,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:08,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:08,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:08,678 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-04-02 03:01:08,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:01:08,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540200721] [2023-04-02 03:01:08,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540200721] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:01:08,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:01:08,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 03:01:08,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734066299] [2023-04-02 03:01:08,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:01:08,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 03:01:08,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:01:08,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 03:01:08,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-02 03:01:08,681 INFO L87 Difference]: Start difference. First operand 625 states and 967 transitions. Second operand has 10 states, 10 states have (on average 8.4) internal successors, (84), 4 states have internal predecessors, (84), 3 states have call successors, (27), 8 states have call predecessors, (27), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2023-04-02 03:01:15,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:01:15,878 INFO L93 Difference]: Finished difference Result 1740 states and 3035 transitions. [2023-04-02 03:01:15,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-02 03:01:15,878 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.4) internal successors, (84), 4 states have internal predecessors, (84), 3 states have call successors, (27), 8 states have call predecessors, (27), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) Word has length 147 [2023-04-02 03:01:15,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:01:15,892 INFO L225 Difference]: With dead ends: 1740 [2023-04-02 03:01:15,892 INFO L226 Difference]: Without dead ends: 1140 [2023-04-02 03:01:15,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2023-04-02 03:01:15,895 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 2376 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 4520 mSolverCounterSat, 1007 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2475 SdHoareTripleChecker+Valid, 689 SdHoareTripleChecker+Invalid, 5527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1007 IncrementalHoareTripleChecker+Valid, 4520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2023-04-02 03:01:15,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2475 Valid, 689 Invalid, 5527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1007 Valid, 4520 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2023-04-02 03:01:15,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1140 states. [2023-04-02 03:01:16,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1140 to 610. [2023-04-02 03:01:16,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 610 states, 449 states have (on average 1.599109131403118) internal successors, (718), 470 states have internal predecessors, (718), 117 states have call successors, (117), 46 states have call predecessors, (117), 43 states have return successors, (111), 105 states have call predecessors, (111), 109 states have call successors, (111) [2023-04-02 03:01:16,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 946 transitions. [2023-04-02 03:01:16,093 INFO L78 Accepts]: Start accepts. Automaton has 610 states and 946 transitions. Word has length 147 [2023-04-02 03:01:16,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:01:16,093 INFO L495 AbstractCegarLoop]: Abstraction has 610 states and 946 transitions. [2023-04-02 03:01:16,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.4) internal successors, (84), 4 states have internal predecessors, (84), 3 states have call successors, (27), 8 states have call predecessors, (27), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2023-04-02 03:01:16,093 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 946 transitions. [2023-04-02 03:01:16,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-04-02 03:01:16,095 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:01:16,095 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:01:16,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-04-02 03:01:16,095 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:01:16,095 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:01:16,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1326185609, now seen corresponding path program 1 times [2023-04-02 03:01:16,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:01:16,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952354261] [2023-04-02 03:01:16,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:01:16,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:01:16,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:16,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:01:16,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:16,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:01:16,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:16,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:01:16,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:16,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:01:16,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:16,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:01:16,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:16,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:01:16,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:16,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 03:01:16,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:16,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:01:16,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:16,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:16,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:16,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:01:16,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:16,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:01:16,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:16,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-02 03:01:16,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:16,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:16,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:16,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:16,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:16,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:16,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:16,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:16,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:16,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 03:01:16,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:16,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-04-02 03:01:16,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:16,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:16,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:16,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:16,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:16,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 03:01:16,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:16,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 03:01:16,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:16,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-04-02 03:01:16,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:16,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:16,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:16,761 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-04-02 03:01:16,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:01:16,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952354261] [2023-04-02 03:01:16,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952354261] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:01:16,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:01:16,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-04-02 03:01:16,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234863901] [2023-04-02 03:01:16,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:01:16,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-04-02 03:01:16,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:01:16,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-04-02 03:01:16,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2023-04-02 03:01:16,762 INFO L87 Difference]: Start difference. First operand 610 states and 946 transitions. Second operand has 14 states, 13 states have (on average 6.461538461538462) internal successors, (84), 7 states have internal predecessors, (84), 5 states have call successors, (27), 8 states have call predecessors, (27), 4 states have return successors, (23), 3 states have call predecessors, (23), 5 states have call successors, (23) [2023-04-02 03:01:26,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:01:26,133 INFO L93 Difference]: Finished difference Result 1677 states and 2958 transitions. [2023-04-02 03:01:26,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-04-02 03:01:26,134 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.461538461538462) internal successors, (84), 7 states have internal predecessors, (84), 5 states have call successors, (27), 8 states have call predecessors, (27), 4 states have return successors, (23), 3 states have call predecessors, (23), 5 states have call successors, (23) Word has length 147 [2023-04-02 03:01:26,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:01:26,139 INFO L225 Difference]: With dead ends: 1677 [2023-04-02 03:01:26,139 INFO L226 Difference]: Without dead ends: 1150 [2023-04-02 03:01:26,140 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=226, Invalid=766, Unknown=0, NotChecked=0, Total=992 [2023-04-02 03:01:26,141 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 2383 mSDsluCounter, 1150 mSDsCounter, 0 mSdLazyCounter, 8839 mSolverCounterSat, 1060 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2478 SdHoareTripleChecker+Valid, 1297 SdHoareTripleChecker+Invalid, 9899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1060 IncrementalHoareTripleChecker+Valid, 8839 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2023-04-02 03:01:26,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2478 Valid, 1297 Invalid, 9899 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1060 Valid, 8839 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2023-04-02 03:01:26,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1150 states. [2023-04-02 03:01:26,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1150 to 613. [2023-04-02 03:01:26,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 613 states, 450 states have (on average 1.5977777777777777) internal successors, (719), 473 states have internal predecessors, (719), 118 states have call successors, (118), 46 states have call predecessors, (118), 44 states have return successors, (113), 105 states have call predecessors, (113), 110 states have call successors, (113) [2023-04-02 03:01:26,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 950 transitions. [2023-04-02 03:01:26,345 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 950 transitions. Word has length 147 [2023-04-02 03:01:26,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:01:26,345 INFO L495 AbstractCegarLoop]: Abstraction has 613 states and 950 transitions. [2023-04-02 03:01:26,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.461538461538462) internal successors, (84), 7 states have internal predecessors, (84), 5 states have call successors, (27), 8 states have call predecessors, (27), 4 states have return successors, (23), 3 states have call predecessors, (23), 5 states have call successors, (23) [2023-04-02 03:01:26,345 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 950 transitions. [2023-04-02 03:01:26,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-04-02 03:01:26,347 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:01:26,347 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:01:26,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-04-02 03:01:26,347 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:01:26,347 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:01:26,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1662034288, now seen corresponding path program 1 times [2023-04-02 03:01:26,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:01:26,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662515180] [2023-04-02 03:01:26,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:01:26,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:01:26,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:26,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:01:26,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:26,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:01:26,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:26,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:01:26,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:26,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:01:26,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:26,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:01:26,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:26,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:01:26,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:26,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 03:01:26,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:26,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:01:26,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:26,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:26,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:26,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:01:26,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:26,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:01:26,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:26,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-04-02 03:01:26,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:26,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:26,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:27,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:27,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:27,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:27,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:27,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:27,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:27,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 03:01:27,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:27,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-04-02 03:01:27,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:27,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:27,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:27,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:27,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:27,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 03:01:27,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:27,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 03:01:27,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:27,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-04-02 03:01:27,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:27,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:27,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:27,024 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-04-02 03:01:27,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:01:27,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662515180] [2023-04-02 03:01:27,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662515180] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:01:27,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:01:27,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-04-02 03:01:27,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929766445] [2023-04-02 03:01:27,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:01:27,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-04-02 03:01:27,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:01:27,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-04-02 03:01:27,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2023-04-02 03:01:27,026 INFO L87 Difference]: Start difference. First operand 613 states and 950 transitions. Second operand has 14 states, 13 states have (on average 6.538461538461538) internal successors, (85), 7 states have internal predecessors, (85), 5 states have call successors, (27), 8 states have call predecessors, (27), 4 states have return successors, (23), 3 states have call predecessors, (23), 5 states have call successors, (23) [2023-04-02 03:01:36,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:01:36,354 INFO L93 Difference]: Finished difference Result 1681 states and 2969 transitions. [2023-04-02 03:01:36,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-04-02 03:01:36,355 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.538461538461538) internal successors, (85), 7 states have internal predecessors, (85), 5 states have call successors, (27), 8 states have call predecessors, (27), 4 states have return successors, (23), 3 states have call predecessors, (23), 5 states have call successors, (23) Word has length 148 [2023-04-02 03:01:36,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:01:36,362 INFO L225 Difference]: With dead ends: 1681 [2023-04-02 03:01:36,362 INFO L226 Difference]: Without dead ends: 1154 [2023-04-02 03:01:36,364 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=226, Invalid=766, Unknown=0, NotChecked=0, Total=992 [2023-04-02 03:01:36,364 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 1822 mSDsluCounter, 1128 mSDsCounter, 0 mSdLazyCounter, 9222 mSolverCounterSat, 778 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1921 SdHoareTripleChecker+Valid, 1277 SdHoareTripleChecker+Invalid, 10000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 778 IncrementalHoareTripleChecker+Valid, 9222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2023-04-02 03:01:36,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1921 Valid, 1277 Invalid, 10000 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [778 Valid, 9222 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2023-04-02 03:01:36,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1154 states. [2023-04-02 03:01:36,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1154 to 616. [2023-04-02 03:01:36,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 616 states, 451 states have (on average 1.5964523281596452) internal successors, (720), 476 states have internal predecessors, (720), 119 states have call successors, (119), 46 states have call predecessors, (119), 45 states have return successors, (115), 105 states have call predecessors, (115), 111 states have call successors, (115) [2023-04-02 03:01:36,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 616 states and 954 transitions. [2023-04-02 03:01:36,637 INFO L78 Accepts]: Start accepts. Automaton has 616 states and 954 transitions. Word has length 148 [2023-04-02 03:01:36,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:01:36,637 INFO L495 AbstractCegarLoop]: Abstraction has 616 states and 954 transitions. [2023-04-02 03:01:36,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.538461538461538) internal successors, (85), 7 states have internal predecessors, (85), 5 states have call successors, (27), 8 states have call predecessors, (27), 4 states have return successors, (23), 3 states have call predecessors, (23), 5 states have call successors, (23) [2023-04-02 03:01:36,637 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 954 transitions. [2023-04-02 03:01:36,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-04-02 03:01:36,639 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:01:36,639 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:01:36,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-04-02 03:01:36,639 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:01:36,639 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:01:36,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1717813234, now seen corresponding path program 1 times [2023-04-02 03:01:36,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:01:36,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13868397] [2023-04-02 03:01:36,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:01:36,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:01:36,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:36,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:01:36,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:36,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:01:36,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:36,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:01:36,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:36,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:01:36,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:36,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:01:36,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:36,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:01:36,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:37,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 03:01:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:37,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:01:37,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:37,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:37,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:37,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:01:37,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:37,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:01:37,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:37,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-04-02 03:01:37,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:37,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:37,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:37,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:37,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:37,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:37,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:37,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:37,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 03:01:37,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:37,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-04-02 03:01:37,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:37,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:37,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:37,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:37,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:37,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 03:01:37,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:37,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 03:01:37,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:37,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-04-02 03:01:37,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:37,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:37,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:37,389 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-04-02 03:01:37,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:01:37,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13868397] [2023-04-02 03:01:37,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13868397] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:01:37,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:01:37,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 03:01:37,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272262567] [2023-04-02 03:01:37,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:01:37,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 03:01:37,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:01:37,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 03:01:37,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-04-02 03:01:37,391 INFO L87 Difference]: Start difference. First operand 616 states and 954 transitions. Second operand has 12 states, 12 states have (on average 7.666666666666667) internal successors, (92), 6 states have internal predecessors, (92), 5 states have call successors, (27), 9 states have call predecessors, (27), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2023-04-02 03:01:45,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:01:45,700 INFO L93 Difference]: Finished difference Result 1675 states and 3009 transitions. [2023-04-02 03:01:45,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-04-02 03:01:45,700 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.666666666666667) internal successors, (92), 6 states have internal predecessors, (92), 5 states have call successors, (27), 9 states have call predecessors, (27), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 149 [2023-04-02 03:01:45,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:01:45,705 INFO L225 Difference]: With dead ends: 1675 [2023-04-02 03:01:45,706 INFO L226 Difference]: Without dead ends: 1153 [2023-04-02 03:01:45,707 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 51 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=208, Invalid=494, Unknown=0, NotChecked=0, Total=702 [2023-04-02 03:01:45,708 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 3094 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 5520 mSolverCounterSat, 1531 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3099 SdHoareTripleChecker+Valid, 797 SdHoareTripleChecker+Invalid, 7051 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1531 IncrementalHoareTripleChecker+Valid, 5520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2023-04-02 03:01:45,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3099 Valid, 797 Invalid, 7051 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1531 Valid, 5520 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2023-04-02 03:01:45,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1153 states. [2023-04-02 03:01:45,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1153 to 621. [2023-04-02 03:01:45,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 621 states, 455 states have (on average 1.589010989010989) internal successors, (723), 480 states have internal predecessors, (723), 119 states have call successors, (119), 47 states have call predecessors, (119), 46 states have return successors, (116), 105 states have call predecessors, (116), 111 states have call successors, (116) [2023-04-02 03:01:45,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 958 transitions. [2023-04-02 03:01:45,960 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 958 transitions. Word has length 149 [2023-04-02 03:01:45,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:01:45,960 INFO L495 AbstractCegarLoop]: Abstraction has 621 states and 958 transitions. [2023-04-02 03:01:45,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.666666666666667) internal successors, (92), 6 states have internal predecessors, (92), 5 states have call successors, (27), 9 states have call predecessors, (27), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2023-04-02 03:01:45,960 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 958 transitions. [2023-04-02 03:01:45,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-04-02 03:01:45,961 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:01:45,962 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:01:45,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-04-02 03:01:45,962 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:01:45,962 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:01:45,962 INFO L85 PathProgramCache]: Analyzing trace with hash -1927562870, now seen corresponding path program 1 times [2023-04-02 03:01:45,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:01:45,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047569563] [2023-04-02 03:01:45,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:01:45,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:01:45,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:46,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:01:46,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:46,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:01:46,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:46,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:01:46,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:46,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:01:46,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:46,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:01:46,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:46,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:01:46,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:46,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 03:01:46,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:46,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:01:46,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:46,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:46,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:46,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:01:46,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:46,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:01:46,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:46,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-04-02 03:01:46,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:46,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:46,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:46,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:46,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:46,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:46,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:46,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:46,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:46,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 03:01:46,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:46,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 03:01:46,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:46,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:46,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:46,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:46,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:46,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 03:01:46,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:46,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 03:01:46,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:46,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-04-02 03:01:46,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:46,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:46,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:46,655 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-04-02 03:01:46,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:01:46,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047569563] [2023-04-02 03:01:46,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047569563] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:01:46,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:01:46,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 03:01:46,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467325319] [2023-04-02 03:01:46,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:01:46,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 03:01:46,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:01:46,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 03:01:46,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-04-02 03:01:46,657 INFO L87 Difference]: Start difference. First operand 621 states and 958 transitions. Second operand has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 6 states have internal predecessors, (94), 5 states have call successors, (27), 9 states have call predecessors, (27), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2023-04-02 03:01:55,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:01:55,108 INFO L93 Difference]: Finished difference Result 1686 states and 3016 transitions. [2023-04-02 03:01:55,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-04-02 03:01:55,109 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 6 states have internal predecessors, (94), 5 states have call successors, (27), 9 states have call predecessors, (27), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 151 [2023-04-02 03:01:55,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:01:55,114 INFO L225 Difference]: With dead ends: 1686 [2023-04-02 03:01:55,114 INFO L226 Difference]: Without dead ends: 1159 [2023-04-02 03:01:55,116 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 51 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=208, Invalid=494, Unknown=0, NotChecked=0, Total=702 [2023-04-02 03:01:55,116 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 3074 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 5677 mSolverCounterSat, 1462 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3080 SdHoareTripleChecker+Valid, 743 SdHoareTripleChecker+Invalid, 7139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1462 IncrementalHoareTripleChecker+Valid, 5677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2023-04-02 03:01:55,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3080 Valid, 743 Invalid, 7139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1462 Valid, 5677 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2023-04-02 03:01:55,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1159 states. [2023-04-02 03:01:55,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1159 to 627. [2023-04-02 03:01:55,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 627 states, 460 states have (on average 1.5804347826086957) internal successors, (727), 485 states have internal predecessors, (727), 119 states have call successors, (119), 48 states have call predecessors, (119), 47 states have return successors, (117), 105 states have call predecessors, (117), 111 states have call successors, (117) [2023-04-02 03:01:55,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 963 transitions. [2023-04-02 03:01:55,343 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 963 transitions. Word has length 151 [2023-04-02 03:01:55,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:01:55,343 INFO L495 AbstractCegarLoop]: Abstraction has 627 states and 963 transitions. [2023-04-02 03:01:55,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 6 states have internal predecessors, (94), 5 states have call successors, (27), 9 states have call predecessors, (27), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2023-04-02 03:01:55,343 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 963 transitions. [2023-04-02 03:01:55,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-04-02 03:01:55,345 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:01:55,345 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:01:55,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-04-02 03:01:55,346 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:01:55,346 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:01:55,346 INFO L85 PathProgramCache]: Analyzing trace with hash 2028862250, now seen corresponding path program 1 times [2023-04-02 03:01:55,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:01:55,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83887451] [2023-04-02 03:01:55,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:01:55,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:01:55,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:55,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:01:55,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:55,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:01:55,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:55,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:01:55,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:55,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:01:55,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:55,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:01:55,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:55,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:01:55,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:55,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 03:01:55,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:55,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:01:55,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:55,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:55,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:55,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:01:55,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:55,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:01:55,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:55,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-04-02 03:01:55,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:55,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:55,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:55,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:55,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:55,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:55,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:55,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:55,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:55,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 03:01:55,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:55,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-04-02 03:01:55,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:55,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:55,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:56,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:56,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:56,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 03:01:56,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:56,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 03:01:56,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:56,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-04-02 03:01:56,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:56,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:01:56,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:01:56,034 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-04-02 03:01:56,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:01:56,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83887451] [2023-04-02 03:01:56,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83887451] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:01:56,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:01:56,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 03:01:56,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621076] [2023-04-02 03:01:56,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:01:56,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 03:01:56,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:01:56,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 03:01:56,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-04-02 03:01:56,036 INFO L87 Difference]: Start difference. First operand 627 states and 963 transitions. Second operand has 12 states, 12 states have (on average 8.0) internal successors, (96), 6 states have internal predecessors, (96), 5 states have call successors, (27), 9 states have call predecessors, (27), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2023-04-02 03:02:04,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:02:04,691 INFO L93 Difference]: Finished difference Result 1699 states and 3025 transitions. [2023-04-02 03:02:04,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-04-02 03:02:04,691 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 6 states have internal predecessors, (96), 5 states have call successors, (27), 9 states have call predecessors, (27), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 153 [2023-04-02 03:02:04,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:02:04,697 INFO L225 Difference]: With dead ends: 1699 [2023-04-02 03:02:04,697 INFO L226 Difference]: Without dead ends: 1166 [2023-04-02 03:02:04,699 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 51 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=208, Invalid=494, Unknown=0, NotChecked=0, Total=702 [2023-04-02 03:02:04,699 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 3098 mSDsluCounter, 672 mSDsCounter, 0 mSdLazyCounter, 5748 mSolverCounterSat, 1494 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3103 SdHoareTripleChecker+Valid, 824 SdHoareTripleChecker+Invalid, 7242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1494 IncrementalHoareTripleChecker+Valid, 5748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2023-04-02 03:02:04,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3103 Valid, 824 Invalid, 7242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1494 Valid, 5748 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2023-04-02 03:02:04,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1166 states. [2023-04-02 03:02:04,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1166 to 634. [2023-04-02 03:02:04,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 466 states have (on average 1.5708154506437768) internal successors, (732), 491 states have internal predecessors, (732), 119 states have call successors, (119), 49 states have call predecessors, (119), 48 states have return successors, (118), 105 states have call predecessors, (118), 111 states have call successors, (118) [2023-04-02 03:02:04,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 969 transitions. [2023-04-02 03:02:04,958 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 969 transitions. Word has length 153 [2023-04-02 03:02:04,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:02:04,958 INFO L495 AbstractCegarLoop]: Abstraction has 634 states and 969 transitions. [2023-04-02 03:02:04,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 6 states have internal predecessors, (96), 5 states have call successors, (27), 9 states have call predecessors, (27), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2023-04-02 03:02:04,958 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 969 transitions. [2023-04-02 03:02:04,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-04-02 03:02:04,960 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:02:04,960 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:02:04,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-04-02 03:02:04,960 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:02:04,960 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:02:04,960 INFO L85 PathProgramCache]: Analyzing trace with hash -447088822, now seen corresponding path program 1 times [2023-04-02 03:02:04,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:02:04,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983266389] [2023-04-02 03:02:04,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:02:04,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:02:04,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:05,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:02:05,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:05,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:02:05,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:05,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:02:05,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:05,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:02:05,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:05,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:02:05,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:05,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:02:05,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:05,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 03:02:05,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:05,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:02:05,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:05,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:02:05,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:05,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:02:05,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:05,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:02:05,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:05,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-04-02 03:02:05,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:05,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:02:05,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:05,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:02:05,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:05,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:02:05,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:05,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:02:05,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:05,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 03:02:05,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:05,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:02:05,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:05,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:02:05,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:05,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:02:05,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:05,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-04-02 03:02:05,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:05,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-04-02 03:02:05,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:05,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-04-02 03:02:05,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:06,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:02:06,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:02:06,011 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-02 03:02:06,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:02:06,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983266389] [2023-04-02 03:02:06,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983266389] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:02:06,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:02:06,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-04-02 03:02:06,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52492231] [2023-04-02 03:02:06,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:02:06,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-04-02 03:02:06,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:02:06,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-04-02 03:02:06,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2023-04-02 03:02:06,014 INFO L87 Difference]: Start difference. First operand 634 states and 969 transitions. Second operand has 17 states, 17 states have (on average 5.352941176470588) internal successors, (91), 10 states have internal predecessors, (91), 6 states have call successors, (27), 9 states have call predecessors, (27), 8 states have return successors, (23), 7 states have call predecessors, (23), 5 states have call successors, (23)