/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 [2023-03-31 00:51:22,264 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 00:51:22,266 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 00:51:22,307 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 00:51:22,308 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 00:51:22,310 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 00:51:22,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 00:51:22,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 00:51:22,318 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 00:51:22,322 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 00:51:22,324 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 00:51:22,326 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 00:51:22,326 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 00:51:22,328 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 00:51:22,329 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 00:51:22,331 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 00:51:22,332 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 00:51:22,332 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 00:51:22,334 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 00:51:22,339 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 00:51:22,340 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 00:51:22,341 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 00:51:22,342 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 00:51:22,343 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 00:51:22,351 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 00:51:22,351 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 00:51:22,351 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 00:51:22,353 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 00:51:22,353 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 00:51:22,354 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 00:51:22,354 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 00:51:22,354 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 00:51:22,356 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 00:51:22,356 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 00:51:22,357 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 00:51:22,357 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 00:51:22,357 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 00:51:22,358 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 00:51:22,358 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 00:51:22,358 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 00:51:22,359 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 00:51:22,360 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-03-31 00:51:22,388 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 00:51:22,388 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 00:51:22,388 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 00:51:22,389 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 00:51:22,390 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 00:51:22,390 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 00:51:22,390 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-31 00:51:22,391 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-31 00:51:22,391 INFO L138 SettingsManager]: * Use SBE=true [2023-03-31 00:51:22,391 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 00:51:22,392 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 00:51:22,392 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 00:51:22,392 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 00:51:22,392 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 00:51:22,392 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 00:51:22,392 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 00:51:22,393 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 00:51:22,393 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 00:51:22,393 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 00:51:22,393 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 00:51:22,393 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 00:51:22,393 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 00:51:22,394 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-31 00:51:22,394 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 00:51:22,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 00:51:22,394 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 00:51:22,394 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 00:51:22,394 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 00:51:22,395 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-31 00:51:22,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 00:51:22,395 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-31 00:51:22,395 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 00:51:22,395 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-31 00:51:22,395 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-31 00:51:22,396 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-31 00:51:22,396 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-31 00:51:22,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 00:51:22,672 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 00:51:22,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 00:51:22,676 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 00:51:22,677 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 00:51:22,678 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec2_product11.cil.c [2023-03-31 00:51:23,846 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 00:51:24,158 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 00:51:24,159 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec2_product11.cil.c [2023-03-31 00:51:24,181 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81a739099/e6bdff41e2904f91bd7c8f03f974e8e7/FLAG653f7472b [2023-03-31 00:51:24,195 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81a739099/e6bdff41e2904f91bd7c8f03f974e8e7 [2023-03-31 00:51:24,198 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 00:51:24,199 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 00:51:24,201 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 00:51:24,201 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 00:51:24,204 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 00:51:24,205 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 12:51:24" (1/1) ... [2023-03-31 00:51:24,206 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20d87a18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:51:24, skipping insertion in model container [2023-03-31 00:51:24,206 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 12:51:24" (1/1) ... [2023-03-31 00:51:24,213 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 00:51:24,283 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 00:51:24,415 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] [2023-03-31 00:51:24,707 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 00:51:24,718 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 00:51:24,732 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] [2023-03-31 00:51:24,846 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 00:51:24,876 INFO L208 MainTranslator]: Completed translation [2023-03-31 00:51:24,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:51:24 WrapperNode [2023-03-31 00:51:24,877 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 00:51:24,878 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 00:51:24,878 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 00:51:24,878 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 00:51:24,888 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:51:24" (1/1) ... [2023-03-31 00:51:24,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:51:24" (1/1) ... [2023-03-31 00:51:24,919 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:51:24" (1/1) ... [2023-03-31 00:51:24,920 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:51:24" (1/1) ... [2023-03-31 00:51:24,958 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:51:24" (1/1) ... [2023-03-31 00:51:24,979 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:51:24" (1/1) ... [2023-03-31 00:51:24,986 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:51:24" (1/1) ... [2023-03-31 00:51:24,993 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:51:24" (1/1) ... [2023-03-31 00:51:25,022 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 00:51:25,022 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 00:51:25,023 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 00:51:25,023 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 00:51:25,023 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:51:24" (1/1) ... [2023-03-31 00:51:25,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 00:51:25,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:51:25,082 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-31 00:51:25,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-31 00:51:25,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 00:51:25,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 00:51:25,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 00:51:25,128 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 00:51:25,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 00:51:25,128 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2023-03-31 00:51:25,129 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2023-03-31 00:51:25,129 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2023-03-31 00:51:25,129 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2023-03-31 00:51:25,129 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2023-03-31 00:51:25,129 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2023-03-31 00:51:25,129 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2023-03-31 00:51:25,129 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2023-03-31 00:51:25,129 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-03-31 00:51:25,129 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2023-03-31 00:51:25,129 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2023-03-31 00:51:25,129 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2023-03-31 00:51:25,130 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-03-31 00:51:25,130 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2023-03-31 00:51:25,130 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 00:51:25,130 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-03-31 00:51:25,130 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 00:51:25,130 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2023-03-31 00:51:25,130 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2023-03-31 00:51:25,130 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2023-03-31 00:51:25,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 00:51:25,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 00:51:25,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 00:51:25,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 00:51:25,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 00:51:25,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 00:51:25,131 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2023-03-31 00:51:25,131 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2023-03-31 00:51:25,131 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2023-03-31 00:51:25,131 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2023-03-31 00:51:25,131 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2023-03-31 00:51:25,131 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2023-03-31 00:51:25,131 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2023-03-31 00:51:25,132 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2023-03-31 00:51:25,132 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2023-03-31 00:51:25,132 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2023-03-31 00:51:25,132 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2023-03-31 00:51:25,132 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2023-03-31 00:51:25,132 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2023-03-31 00:51:25,132 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2023-03-31 00:51:25,132 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2023-03-31 00:51:25,132 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2023-03-31 00:51:25,132 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2023-03-31 00:51:25,132 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2023-03-31 00:51:25,133 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2023-03-31 00:51:25,133 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2023-03-31 00:51:25,133 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2023-03-31 00:51:25,133 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2023-03-31 00:51:25,134 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2023-03-31 00:51:25,134 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-03-31 00:51:25,134 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2023-03-31 00:51:25,135 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2023-03-31 00:51:25,135 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2023-03-31 00:51:25,135 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2023-03-31 00:51:25,135 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2023-03-31 00:51:25,136 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2023-03-31 00:51:25,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2023-03-31 00:51:25,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2023-03-31 00:51:25,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2023-03-31 00:51:25,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2023-03-31 00:51:25,136 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2023-03-31 00:51:25,136 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2023-03-31 00:51:25,136 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2023-03-31 00:51:25,136 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2023-03-31 00:51:25,136 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2023-03-31 00:51:25,136 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2023-03-31 00:51:25,137 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2023-03-31 00:51:25,137 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2023-03-31 00:51:25,137 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 00:51:25,137 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 00:51:25,137 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 00:51:25,137 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 00:51:25,137 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 00:51:25,138 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 00:51:25,138 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 00:51:25,138 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 00:51:25,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 00:51:25,138 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 00:51:25,138 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 00:51:25,138 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-03-31 00:51:25,138 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2023-03-31 00:51:25,138 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2023-03-31 00:51:25,139 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2023-03-31 00:51:25,139 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2023-03-31 00:51:25,139 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2023-03-31 00:51:25,139 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2023-03-31 00:51:25,140 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2023-03-31 00:51:25,140 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2023-03-31 00:51:25,140 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2023-03-31 00:51:25,140 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-03-31 00:51:25,140 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2023-03-31 00:51:25,140 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2023-03-31 00:51:25,140 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2023-03-31 00:51:25,141 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-03-31 00:51:25,141 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2023-03-31 00:51:25,141 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2023-03-31 00:51:25,141 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2023-03-31 00:51:25,141 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2023-03-31 00:51:25,141 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2023-03-31 00:51:25,141 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-03-31 00:51:25,141 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2023-03-31 00:51:25,141 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 00:51:25,141 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2023-03-31 00:51:25,141 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2023-03-31 00:51:25,142 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 00:51:25,142 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-03-31 00:51:25,142 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 00:51:25,142 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 00:51:25,142 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 00:51:25,142 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 00:51:25,142 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2023-03-31 00:51:25,142 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2023-03-31 00:51:25,143 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 00:51:25,143 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 00:51:25,143 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 00:51:25,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 00:51:25,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 00:51:25,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 00:51:25,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 00:51:25,144 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 00:51:25,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 00:51:25,145 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 00:51:25,145 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 00:51:25,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 00:51:25,148 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 00:51:25,154 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 00:51:25,154 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 00:51:25,154 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 00:51:25,154 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2023-03-31 00:51:25,154 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2023-03-31 00:51:25,154 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2023-03-31 00:51:25,154 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2023-03-31 00:51:25,154 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2023-03-31 00:51:25,154 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2023-03-31 00:51:25,155 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2023-03-31 00:51:25,155 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2023-03-31 00:51:25,155 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2023-03-31 00:51:25,155 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2023-03-31 00:51:25,155 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2023-03-31 00:51:25,155 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2023-03-31 00:51:25,155 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2023-03-31 00:51:25,155 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2023-03-31 00:51:25,155 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2023-03-31 00:51:25,155 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2023-03-31 00:51:25,155 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2023-03-31 00:51:25,155 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2023-03-31 00:51:25,155 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2023-03-31 00:51:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2023-03-31 00:51:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2023-03-31 00:51:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2023-03-31 00:51:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2023-03-31 00:51:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2023-03-31 00:51:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2023-03-31 00:51:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2023-03-31 00:51:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2023-03-31 00:51:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2023-03-31 00:51:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2023-03-31 00:51:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2023-03-31 00:51:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2023-03-31 00:51:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2023-03-31 00:51:25,157 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2023-03-31 00:51:25,157 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2023-03-31 00:51:25,157 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 00:51:25,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 00:51:25,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 00:51:25,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 00:51:25,433 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 00:51:25,436 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 00:51:26,799 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 00:51:26,813 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 00:51:26,814 INFO L302 CfgBuilder]: Removed 10 assume(true) statements. [2023-03-31 00:51:26,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 12:51:26 BoogieIcfgContainer [2023-03-31 00:51:26,817 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 00:51:26,818 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 00:51:26,818 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 00:51:26,821 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 00:51:26,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 12:51:24" (1/3) ... [2023-03-31 00:51:26,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a6c9d25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 12:51:26, skipping insertion in model container [2023-03-31 00:51:26,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:51:24" (2/3) ... [2023-03-31 00:51:26,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a6c9d25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 12:51:26, skipping insertion in model container [2023-03-31 00:51:26,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 12:51:26" (3/3) ... [2023-03-31 00:51:26,823 INFO L112 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product11.cil.c [2023-03-31 00:51:26,838 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 00:51:26,838 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 00:51:26,911 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 00:51:26,918 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;@7c47dc44, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-31 00:51:26,918 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 00:51:26,927 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) [2023-03-31 00:51:26,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-03-31 00:51:26,951 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:51:26,952 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] [2023-03-31 00:51:26,953 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:51:26,957 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:51:26,958 INFO L85 PathProgramCache]: Analyzing trace with hash -336625018, now seen corresponding path program 1 times [2023-03-31 00:51:26,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:51:26,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804860469] [2023-03-31 00:51:26,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:51:26,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:51:27,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:27,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:51:27,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:27,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:51:27,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:27,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:51:27,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:27,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:51:27,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:27,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:51:27,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:27,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-03-31 00:51:27,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:28,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-03-31 00:51:28,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:28,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:51:28,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:28,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:51:28,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:28,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-03-31 00:51:28,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:28,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-03-31 00:51:28,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:28,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-03-31 00:51:28,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:28,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:51:28,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:28,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:51:28,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:28,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:51:28,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:28,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:51:28,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:28,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 00:51:28,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:28,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-03-31 00:51:28,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:28,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:51:28,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:28,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:51:28,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:28,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 00:51:28,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:28,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-03-31 00:51:28,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:28,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-03-31 00:51:28,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:28,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:51:28,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:28,474 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-03-31 00:51:28,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:51:28,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804860469] [2023-03-31 00:51:28,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804860469] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:51:28,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:51:28,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-03-31 00:51:28,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175784851] [2023-03-31 00:51:28,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:51:28,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-03-31 00:51:28,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:51:28,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-03-31 00:51:28,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-03-31 00:51:28,523 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) [2023-03-31 00:51:38,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:51:38,218 INFO L93 Difference]: Finished difference Result 1750 states and 3133 transitions. [2023-03-31 00:51:38,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-03-31 00:51:38,222 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 [2023-03-31 00:51:38,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:51:38,257 INFO L225 Difference]: With dead ends: 1750 [2023-03-31 00:51:38,257 INFO L226 Difference]: Without dead ends: 1134 [2023-03-31 00:51:38,268 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2023-03-31 00:51:38,272 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 2634 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 4714 mSolverCounterSat, 1037 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2735 SdHoareTripleChecker+Valid, 757 SdHoareTripleChecker+Invalid, 5751 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1037 IncrementalHoareTripleChecker+Valid, 4714 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2023-03-31 00:51:38,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2735 Valid, 757 Invalid, 5751 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1037 Valid, 4714 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2023-03-31 00:51:38,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1134 states. [2023-03-31 00:51:38,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1134 to 605. [2023-03-31 00:51:38,587 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) [2023-03-31 00:51:38,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 968 transitions. [2023-03-31 00:51:38,595 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 968 transitions. Word has length 133 [2023-03-31 00:51:38,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:51:38,596 INFO L495 AbstractCegarLoop]: Abstraction has 605 states and 968 transitions. [2023-03-31 00:51:38,596 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) [2023-03-31 00:51:38,597 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 968 transitions. [2023-03-31 00:51:38,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-03-31 00:51:38,607 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:51:38,608 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] [2023-03-31 00:51:38,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 00:51:38,608 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:51:38,609 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:51:38,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1401062916, now seen corresponding path program 1 times [2023-03-31 00:51:38,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:51:38,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994956171] [2023-03-31 00:51:38,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:51:38,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:51:38,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:39,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:51:39,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:39,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:51:39,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:39,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:51:39,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:39,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:51:39,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:39,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:51:39,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:39,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-03-31 00:51:39,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:39,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-03-31 00:51:39,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:39,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:51:39,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:39,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:51:39,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:39,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-31 00:51:39,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:39,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-03-31 00:51:39,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:39,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-03-31 00:51:39,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:39,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:51:39,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:39,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:51:39,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:39,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:51:39,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:39,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:51:39,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:39,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 00:51:39,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:39,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-03-31 00:51:39,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:39,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:51:39,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:39,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:51:39,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:39,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 00:51:39,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:39,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-03-31 00:51:39,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:39,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-03-31 00:51:39,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:39,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:51:39,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:39,480 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-03-31 00:51:39,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:51:39,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994956171] [2023-03-31 00:51:39,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994956171] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:51:39,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:51:39,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-03-31 00:51:39,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368041075] [2023-03-31 00:51:39,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:51:39,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-03-31 00:51:39,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:51:39,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-03-31 00:51:39,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-03-31 00:51:39,484 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) [2023-03-31 00:51:47,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:51:47,562 INFO L93 Difference]: Finished difference Result 1702 states and 3032 transitions. [2023-03-31 00:51:47,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-03-31 00:51:47,563 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 [2023-03-31 00:51:47,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:51:47,573 INFO L225 Difference]: With dead ends: 1702 [2023-03-31 00:51:47,573 INFO L226 Difference]: Without dead ends: 1134 [2023-03-31 00:51:47,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2023-03-31 00:51:47,577 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 2482 mSDsluCounter, 507 mSDsCounter, 0 mSdLazyCounter, 4549 mSolverCounterSat, 1015 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2579 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 5564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1015 IncrementalHoareTripleChecker+Valid, 4549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2023-03-31 00:51:47,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2579 Valid, 641 Invalid, 5564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1015 Valid, 4549 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2023-03-31 00:51:47,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1134 states. [2023-03-31 00:51:47,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1134 to 605. [2023-03-31 00:51:47,762 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) [2023-03-31 00:51:47,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 967 transitions. [2023-03-31 00:51:47,766 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 967 transitions. Word has length 136 [2023-03-31 00:51:47,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:51:47,766 INFO L495 AbstractCegarLoop]: Abstraction has 605 states and 967 transitions. [2023-03-31 00:51:47,767 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) [2023-03-31 00:51:47,767 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 967 transitions. [2023-03-31 00:51:47,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-03-31 00:51:47,770 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:51:47,770 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] [2023-03-31 00:51:47,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-31 00:51:47,771 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:51:47,771 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:51:47,771 INFO L85 PathProgramCache]: Analyzing trace with hash 614901201, now seen corresponding path program 1 times [2023-03-31 00:51:47,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:51:47,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583386827] [2023-03-31 00:51:47,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:51:47,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:51:47,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:48,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:51:48,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:48,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:51:48,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:48,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:51:48,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:48,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:51:48,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:48,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:51:48,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:48,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-03-31 00:51:48,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:48,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-03-31 00:51:48,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:48,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:51:48,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:48,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:51:48,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:48,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:51:48,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:48,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-03-31 00:51:48,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:48,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-03-31 00:51:48,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:48,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:51:48,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:48,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:51:48,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:48,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:51:48,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:48,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:51:48,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:48,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 00:51:48,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:48,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-03-31 00:51:48,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:48,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:51:48,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:48,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:51:48,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:48,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 00:51:48,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:48,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-03-31 00:51:48,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:48,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-03-31 00:51:48,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:48,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:51:48,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:48,602 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-03-31 00:51:48,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:51:48,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583386827] [2023-03-31 00:51:48,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583386827] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:51:48,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:51:48,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-03-31 00:51:48,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295920424] [2023-03-31 00:51:48,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:51:48,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-03-31 00:51:48,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:51:48,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-03-31 00:51:48,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-03-31 00:51:48,607 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) [2023-03-31 00:51:57,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:51:57,522 INFO L93 Difference]: Finished difference Result 1702 states and 3031 transitions. [2023-03-31 00:51:57,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-03-31 00:51:57,529 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 [2023-03-31 00:51:57,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:51:57,537 INFO L225 Difference]: With dead ends: 1702 [2023-03-31 00:51:57,537 INFO L226 Difference]: Without dead ends: 1134 [2023-03-31 00:51:57,543 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 [2023-03-31 00:51:57,546 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 2475 mSDsluCounter, 517 mSDsCounter, 0 mSdLazyCounter, 4875 mSolverCounterSat, 944 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2573 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 5819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 944 IncrementalHoareTripleChecker+Valid, 4875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2023-03-31 00:51:57,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2573 Valid, 664 Invalid, 5819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [944 Valid, 4875 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time] [2023-03-31 00:51:57,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1134 states. [2023-03-31 00:51:57,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1134 to 605. [2023-03-31 00:51:57,735 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) [2023-03-31 00:51:57,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 966 transitions. [2023-03-31 00:51:57,738 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 966 transitions. Word has length 137 [2023-03-31 00:51:57,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:51:57,738 INFO L495 AbstractCegarLoop]: Abstraction has 605 states and 966 transitions. [2023-03-31 00:51:57,738 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) [2023-03-31 00:51:57,739 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 966 transitions. [2023-03-31 00:51:57,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-03-31 00:51:57,742 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:51:57,742 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] [2023-03-31 00:51:57,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-31 00:51:57,742 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:51:57,743 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:51:57,743 INFO L85 PathProgramCache]: Analyzing trace with hash 497312544, now seen corresponding path program 1 times [2023-03-31 00:51:57,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:51:57,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273506160] [2023-03-31 00:51:57,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:51:57,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:51:57,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:58,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:51:58,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:58,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:51:58,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:58,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:51:58,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:58,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:51:58,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:58,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:51:58,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:58,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-03-31 00:51:58,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:58,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-03-31 00:51:58,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:58,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:51:58,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:58,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:51:58,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:58,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:51:58,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:58,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-03-31 00:51:58,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:58,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-03-31 00:51:58,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:58,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:51:58,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:58,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:51:58,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:58,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:51:58,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:58,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:51:58,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:58,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 00:51:58,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:58,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-03-31 00:51:58,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:58,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:51:58,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:58,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:51:58,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:58,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 00:51:58,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:58,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-03-31 00:51:58,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:58,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-03-31 00:51:58,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:58,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:51:58,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:51:58,519 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-03-31 00:51:58,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:51:58,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273506160] [2023-03-31 00:51:58,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273506160] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:51:58,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:51:58,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-03-31 00:51:58,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82236287] [2023-03-31 00:51:58,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:51:58,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-03-31 00:51:58,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:51:58,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-03-31 00:51:58,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-03-31 00:51:58,522 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) [2023-03-31 00:52:06,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:52:06,817 INFO L93 Difference]: Finished difference Result 1702 states and 3030 transitions. [2023-03-31 00:52:06,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-03-31 00:52:06,819 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 [2023-03-31 00:52:06,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:52:06,827 INFO L225 Difference]: With dead ends: 1702 [2023-03-31 00:52:06,827 INFO L226 Difference]: Without dead ends: 1134 [2023-03-31 00:52:06,830 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 [2023-03-31 00:52:06,830 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 1908 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 4804 mSolverCounterSat, 774 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2007 SdHoareTripleChecker+Valid, 704 SdHoareTripleChecker+Invalid, 5578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 774 IncrementalHoareTripleChecker+Valid, 4804 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2023-03-31 00:52:06,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2007 Valid, 704 Invalid, 5578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [774 Valid, 4804 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2023-03-31 00:52:06,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1134 states. [2023-03-31 00:52:07,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1134 to 605. [2023-03-31 00:52:07,008 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) [2023-03-31 00:52:07,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 965 transitions. [2023-03-31 00:52:07,011 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 965 transitions. Word has length 138 [2023-03-31 00:52:07,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:52:07,012 INFO L495 AbstractCegarLoop]: Abstraction has 605 states and 965 transitions. [2023-03-31 00:52:07,012 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) [2023-03-31 00:52:07,012 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 965 transitions. [2023-03-31 00:52:07,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-03-31 00:52:07,015 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:52:07,015 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] [2023-03-31 00:52:07,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-03-31 00:52:07,016 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:52:07,016 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:52:07,016 INFO L85 PathProgramCache]: Analyzing trace with hash -369347795, now seen corresponding path program 1 times [2023-03-31 00:52:07,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:52:07,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427830341] [2023-03-31 00:52:07,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:52:07,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:52:07,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:52:07,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:52:07,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:52:07,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:52:07,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:52:07,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:52:07,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:52:07,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:52:07,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:52:07,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:52:07,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:52:07,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-03-31 00:52:07,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:52:07,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-03-31 00:52:07,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:52:07,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:52:07,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:52:07,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:52:07,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:52:07,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:52:07,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:52:07,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-03-31 00:52:07,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:52:07,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-03-31 00:52:07,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:52:07,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:52:07,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:52:07,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:52:07,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:52:07,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:52:07,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:52:07,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:52:07,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:52:07,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 00:52:07,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:52:07,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-03-31 00:52:07,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:52:07,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:52:07,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:52:07,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:52:07,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:52:07,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 00:52:07,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:52:07,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-03-31 00:52:07,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:52:07,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-03-31 00:52:07,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:52:07,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:52:07,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:52:07,726 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-03-31 00:52:07,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:52:07,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427830341] [2023-03-31 00:52:07,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427830341] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:52:07,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:52:07,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-03-31 00:52:07,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764593033] [2023-03-31 00:52:07,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:52:07,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-03-31 00:52:07,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:52:07,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-03-31 00:52:07,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-03-31 00:52:07,728 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) [2023-03-31 00:52:16,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:52:16,067 INFO L93 Difference]: Finished difference Result 1702 states and 3029 transitions. [2023-03-31 00:52:16,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-03-31 00:52:16,069 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 [2023-03-31 00:52:16,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:52:16,077 INFO L225 Difference]: With dead ends: 1702 [2023-03-31 00:52:16,077 INFO L226 Difference]: Without dead ends: 1134 [2023-03-31 00:52:16,080 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 [2023-03-31 00:52:16,081 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 2462 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 4877 mSolverCounterSat, 931 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2558 SdHoareTripleChecker+Valid, 648 SdHoareTripleChecker+Invalid, 5808 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 931 IncrementalHoareTripleChecker+Valid, 4877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2023-03-31 00:52:16,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2558 Valid, 648 Invalid, 5808 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [931 Valid, 4877 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2023-03-31 00:52:16,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1134 states. [2023-03-31 00:52:16,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1134 to 605. [2023-03-31 00:52:16,274 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) [2023-03-31 00:52:16,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 964 transitions. [2023-03-31 00:52:16,277 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 964 transitions. Word has length 139 [2023-03-31 00:52:16,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:52:16,277 INFO L495 AbstractCegarLoop]: Abstraction has 605 states and 964 transitions. [2023-03-31 00:52:16,278 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) [2023-03-31 00:52:16,278 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 964 transitions. [2023-03-31 00:52:16,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-03-31 00:52:16,290 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:52:16,291 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] [2023-03-31 00:52:16,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-03-31 00:52:16,291 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:52:16,292 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:52:16,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1312573500, now seen corresponding path program 1 times [2023-03-31 00:52:16,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:52:16,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410837106] [2023-03-31 00:52:16,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:52:16,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:52:16,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:52:16,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:52:16,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:52:16,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:52:16,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:52:16,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:52:16,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:52:16,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:52:16,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:52:16,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:52:16,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:52:16,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-03-31 00:52:16,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:52:16,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-03-31 00:52:16,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:52:17,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:52:17,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:52:17,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:52:17,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:52:17,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:52:17,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:52:17,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-03-31 00:52:17,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:52:17,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-03-31 00:52:17,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:52:17,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:52:17,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:52:17,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:52:17,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:52:17,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:52:17,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:52:17,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:52:17,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:52:17,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 00:52:17,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:52:17,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-03-31 00:52:17,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:52:17,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:52:17,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:52:17,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:52:17,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:52:17,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 00:52:17,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:52:17,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-03-31 00:52:17,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:52:17,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-03-31 00:52:17,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:52:17,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:52:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:52:17,242 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-03-31 00:52:17,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:52:17,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410837106] [2023-03-31 00:52:17,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410837106] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:52:17,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:52:17,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-03-31 00:52:17,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763876631] [2023-03-31 00:52:17,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:52:17,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-03-31 00:52:17,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:52:17,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-03-31 00:52:17,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2023-03-31 00:52:17,245 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)