/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product43.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 03:04:55,910 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 03:04:55,913 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 03:04:55,939 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 03:04:55,939 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 03:04:55,941 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 03:04:55,942 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 03:04:55,944 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 03:04:55,946 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 03:04:55,947 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 03:04:55,948 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 03:04:55,950 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 03:04:55,950 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 03:04:55,951 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 03:04:55,952 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 03:04:55,954 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 03:04:55,955 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 03:04:55,956 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 03:04:55,958 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 03:04:55,960 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 03:04:55,962 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 03:04:55,963 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 03:04:55,964 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 03:04:55,965 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 03:04:55,968 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 03:04:55,968 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 03:04:55,969 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 03:04:55,970 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 03:04:55,970 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 03:04:55,971 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 03:04:55,971 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 03:04:55,972 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 03:04:55,973 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 03:04:55,974 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 03:04:55,975 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 03:04:55,976 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 03:04:55,977 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 03:04:55,977 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 03:04:55,977 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 03:04:55,978 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 03:04:55,979 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 03:04:55,980 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 03:04:56,006 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 03:04:56,006 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 03:04:56,008 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 03:04:56,008 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 03:04:56,008 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 03:04:56,008 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 03:04:56,009 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 03:04:56,009 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 03:04:56,009 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 03:04:56,009 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 03:04:56,009 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 03:04:56,009 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 03:04:56,010 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 03:04:56,010 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 03:04:56,010 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 03:04:56,010 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 03:04:56,010 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 03:04:56,011 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 03:04:56,011 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 03:04:56,011 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 03:04:56,011 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 03:04:56,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 03:04:56,012 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 03:04:56,012 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 03:04:56,012 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 03:04:56,012 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 03:04:56,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 03:04:56,013 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 03:04:56,013 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 03:04:56,013 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; [2020-09-25 03:04:56,472 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 03:04:56,497 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 03:04:56,502 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 03:04:56,506 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 03:04:56,508 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 03:04:56,509 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product43.cil.c [2020-09-25 03:04:56,609 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/342648c2c/7f1d0c7debe049108fe6de95cd94efe4/FLAG94eceff2e [2020-09-25 03:04:57,223 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 03:04:57,224 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product43.cil.c [2020-09-25 03:04:57,240 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/342648c2c/7f1d0c7debe049108fe6de95cd94efe4/FLAG94eceff2e [2020-09-25 03:04:57,490 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/342648c2c/7f1d0c7debe049108fe6de95cd94efe4 [2020-09-25 03:04:57,503 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 03:04:57,509 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 03:04:57,512 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 03:04:57,512 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 03:04:57,518 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 03:04:57,520 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:04:57" (1/1) ... [2020-09-25 03:04:57,525 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51800d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:04:57, skipping insertion in model container [2020-09-25 03:04:57,526 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:04:57" (1/1) ... [2020-09-25 03:04:57,536 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 03:04:57,617 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 03:04:58,002 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:04:58,027 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 03:04:58,221 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:04:58,260 INFO L208 MainTranslator]: Completed translation [2020-09-25 03:04:58,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:04:58 WrapperNode [2020-09-25 03:04:58,261 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 03:04:58,262 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 03:04:58,262 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 03:04:58,262 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 03:04:58,278 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:04:58" (1/1) ... [2020-09-25 03:04:58,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:04:58" (1/1) ... [2020-09-25 03:04:58,301 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:04:58" (1/1) ... [2020-09-25 03:04:58,302 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:04:58" (1/1) ... [2020-09-25 03:04:58,354 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:04:58" (1/1) ... [2020-09-25 03:04:58,368 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:04:58" (1/1) ... [2020-09-25 03:04:58,374 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:04:58" (1/1) ... [2020-09-25 03:04:58,395 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 03:04:58,396 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 03:04:58,396 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 03:04:58,396 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 03:04:58,404 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:04:58" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 03:04:58,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 03:04:58,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 03:04:58,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 03:04:58,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 03:04:58,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 03:04:58,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 03:04:58,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 03:04:58,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 03:04:58,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 03:04:58,503 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 03:04:58,504 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 03:04:58,504 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 03:04:58,504 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 03:04:58,505 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 03:04:58,505 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 03:04:58,506 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 03:04:58,506 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 03:04:58,506 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 03:04:58,506 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-25 03:04:58,507 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 03:04:58,507 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 03:04:58,508 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 03:04:58,509 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 03:04:58,509 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 03:04:58,509 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 03:04:58,511 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 03:04:58,511 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 03:04:58,511 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 03:04:58,511 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 03:04:58,512 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 03:04:58,512 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 03:04:58,512 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 03:04:58,513 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 03:04:58,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 03:04:58,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 03:04:58,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 03:04:58,513 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 03:04:58,513 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 03:04:58,514 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 03:04:58,514 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 03:04:58,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 03:04:58,514 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 03:04:58,514 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 03:04:58,514 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 03:04:58,514 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 03:04:58,515 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 03:04:58,515 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 03:04:58,515 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 03:04:58,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 03:04:58,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 03:04:58,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 03:04:58,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 03:04:58,516 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 03:04:58,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 03:04:58,517 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 03:04:58,517 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 03:04:58,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 03:04:58,517 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 03:04:58,517 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 03:04:58,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 03:04:58,518 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 03:04:58,518 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 03:04:58,518 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 03:04:58,518 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 03:04:58,518 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 03:04:58,519 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 03:04:58,519 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 03:04:58,519 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 03:04:58,519 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 03:04:58,519 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 03:04:58,520 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 03:04:58,520 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 03:04:58,520 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 03:04:58,520 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 03:04:58,521 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 03:04:58,521 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 03:04:58,521 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 03:04:58,521 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 03:04:58,521 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 03:04:58,521 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 03:04:58,522 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 03:04:58,522 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 03:04:58,522 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 03:04:58,522 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 03:04:58,522 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 03:04:58,522 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 03:04:58,523 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 03:04:58,523 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 03:04:58,523 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-25 03:04:58,523 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 03:04:58,523 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 03:04:58,523 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 03:04:58,524 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 03:04:58,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 03:04:58,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 03:04:58,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 03:04:59,668 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 03:04:59,669 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 03:04:59,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:04:59 BoogieIcfgContainer [2020-09-25 03:04:59,677 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 03:04:59,681 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 03:04:59,681 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 03:04:59,685 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 03:04:59,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 03:04:57" (1/3) ... [2020-09-25 03:04:59,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cb4a95f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:04:59, skipping insertion in model container [2020-09-25 03:04:59,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:04:58" (2/3) ... [2020-09-25 03:04:59,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cb4a95f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:04:59, skipping insertion in model container [2020-09-25 03:04:59,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:04:59" (3/3) ... [2020-09-25 03:04:59,690 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product43.cil.c [2020-09-25 03:04:59,701 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 03:04:59,715 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 03:04:59,738 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 03:04:59,770 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 03:04:59,771 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 03:04:59,771 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 03:04:59,771 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 03:04:59,771 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 03:04:59,771 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 03:04:59,771 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 03:04:59,772 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 03:04:59,797 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states. [2020-09-25 03:04:59,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 03:04:59,815 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:04:59,816 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:04:59,817 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:04:59,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:04:59,823 INFO L82 PathProgramCache]: Analyzing trace with hash 298100152, now seen corresponding path program 1 times [2020-09-25 03:04:59,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:04:59,835 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [12235302] [2020-09-25 03:04:59,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:05:00,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:00,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:00,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:02,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:02,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:05,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:05,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 03:05:05,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 03:05:05,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5047 [2020-09-25 03:05:05,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:05,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 03:05:05,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 03:05:05,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-09-25 03:05:05,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 13 [2020-09-25 03:05:05,806 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:05:05,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:05:05,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:05,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:06,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:06,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 03:05:06,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:06,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 282 [2020-09-25 03:05:06,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:06,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:06,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:06,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 03:05:06,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:06,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 03:05:06,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:06,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:06,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:06,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:06,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:06,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 03:05:06,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:06,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:06,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:06,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:05:06,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:06,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 03:05:06,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:06,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:06,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:06,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:06,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:06,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:05:06,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:06,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:06,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:06,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:05:06,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:06,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 03:05:06,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:06,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:06,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:06,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:06,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:06,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 03:05:06,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:06,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:06,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:06,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:05:06,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:06,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 03:05:06,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:06,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:06,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:06,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:06,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:06,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 03:05:06,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:06,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:06,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:06,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:05:06,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:06,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 03:05:06,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:06,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:06,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:06,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:05:06,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:06,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:05:06,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:06,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:06,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:06,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 03:05:06,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:06,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 03:05:06,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:06,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:06,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:06,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 03:05:06,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:06,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 03:05:06,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:06,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:06,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:06,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 03:05:06,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:06,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:05:06,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:06,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:06,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:06,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:06,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:06,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:06,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:06,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:06,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:06,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:06,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:06,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 03:05:06,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:06,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:06,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:06,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:06,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:06,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:05:06,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:06,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:06,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:06,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:05:06,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:06,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 03:05:06,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:06,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:06,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:06,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:06,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:06,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 03:05:06,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:06,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:05:06,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:06,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:05:06,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:06,467 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 03:05:06,468 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [12235302] [2020-09-25 03:05:06,471 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:05:06,471 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 03:05:06,472 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916679265] [2020-09-25 03:05:06,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 03:05:06,484 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:05:06,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 03:05:06,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 03:05:06,507 INFO L87 Difference]: Start difference. First operand 322 states. Second operand 9 states. [2020-09-25 03:05:07,167 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:05:07,937 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:05:08,324 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:05:09,922 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:05:10,205 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:05:10,546 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:05:11,151 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:05:11,450 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:05:11,740 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:05:12,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:05:12,109 INFO L93 Difference]: Finished difference Result 607 states and 732 transitions. [2020-09-25 03:05:12,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 03:05:12,118 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2020-09-25 03:05:12,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:05:12,146 INFO L225 Difference]: With dead ends: 607 [2020-09-25 03:05:12,147 INFO L226 Difference]: Without dead ends: 409 [2020-09-25 03:05:12,153 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-25 03:05:12,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2020-09-25 03:05:12,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 360. [2020-09-25 03:05:12,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-09-25 03:05:12,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 402 transitions. [2020-09-25 03:05:12,294 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 402 transitions. Word has length 160 [2020-09-25 03:05:12,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:05:12,298 INFO L479 AbstractCegarLoop]: Abstraction has 360 states and 402 transitions. [2020-09-25 03:05:12,298 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 03:05:12,299 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 402 transitions. [2020-09-25 03:05:12,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-09-25 03:05:12,323 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:05:12,327 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:05:12,327 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 03:05:12,327 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:05:12,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:05:12,328 INFO L82 PathProgramCache]: Analyzing trace with hash -1593408735, now seen corresponding path program 1 times [2020-09-25 03:05:12,328 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:05:12,328 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [428857721] [2020-09-25 03:05:12,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:05:12,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:12,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:12,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:14,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:14,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-09-25 03:05:14,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:05:14,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2176 [2020-09-25 03:05:14,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:14,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 03:05:14,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 188 [2020-09-25 03:05:14,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 03:05:14,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:14,944 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:05:14,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:05:14,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:14,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:15,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:15,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 03:05:15,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:15,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-09-25 03:05:15,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:15,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:15,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:15,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:15,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:15,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 03:05:15,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:15,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:15,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:15,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:15,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:15,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 03:05:15,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:15,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:15,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:15,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:15,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:15,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 03:05:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:15,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:15,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:15,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:15,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:15,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:15,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:15,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:15,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:15,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:15,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:15,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 03:05:15,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:15,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:15,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:15,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:15,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:15,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:05:15,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:15,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:15,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:15,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:15,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:15,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 03:05:15,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:15,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:15,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:15,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:15,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:15,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:15,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:15,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:15,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:15,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:15,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 03:05:15,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 03:05:15,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:15,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:15,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:15,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:05:15,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:15,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:15,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:15,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:15,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:15,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:15,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:15,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 03:05:15,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:15,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:15,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:15,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 03:05:15,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:15,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:15,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:15,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:15,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:15,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:15,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:15,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:05:15,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:15,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:15,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:15,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:15,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:15,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:15,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:15,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:15,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:15,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:15,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:15,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 03:05:15,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:15,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:15,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:15,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 03:05:15,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:15,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-09-25 03:05:15,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:15,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 03:05:15,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 03:05:15,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 03:05:15,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:15,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:05:15,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:15,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:15,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:15,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 03:05:15,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:15,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-25 03:05:15,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:15,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:05:15,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:15,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 03:05:15,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:15,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 03:05:15,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:15,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:15,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:15,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:05:15,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:15,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:05:15,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:15,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:15,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:15,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:15,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:15,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 03:05:15,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:15,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:15,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:15,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 03:05:15,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:15,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 03:05:15,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:15,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:15,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 03:05:15,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:15,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:15,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:05:15,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:15,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:15,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:15,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 03:05:15,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:15,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:05:15,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:15,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:15,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:15,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:15,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:15,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:05:15,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:15,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:15,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:15,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:15,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:15,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:15,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:15,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:15,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:15,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:15,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:15,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 03:05:15,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:15,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:15,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:15,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:05:15,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:15,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:05:15,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:15,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:15,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:15,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:15,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:15,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-09-25 03:05:15,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:15,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:15,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:15,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:15,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:15,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:05:15,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:15,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:15,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:05:15,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:15,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:15,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-09-25 03:05:15,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:15,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:15,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:15,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:15,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:15,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:05:15,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:15,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:15,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:05:15,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:15,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:15,491 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 03:05:15,492 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [428857721] [2020-09-25 03:05:15,492 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:05:15,492 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 03:05:15,492 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850480614] [2020-09-25 03:05:15,497 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 03:05:15,498 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:05:15,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 03:05:15,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 03:05:15,500 INFO L87 Difference]: Start difference. First operand 360 states and 402 transitions. Second operand 10 states. [2020-09-25 03:05:17,012 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:05:17,312 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 03:05:17,628 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 03:05:17,984 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:05:18,292 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 03:05:18,576 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:05:19,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:05:19,269 INFO L93 Difference]: Finished difference Result 699 states and 848 transitions. [2020-09-25 03:05:19,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 03:05:19,270 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 216 [2020-09-25 03:05:19,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:05:19,276 INFO L225 Difference]: With dead ends: 699 [2020-09-25 03:05:19,276 INFO L226 Difference]: Without dead ends: 454 [2020-09-25 03:05:19,279 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-25 03:05:19,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2020-09-25 03:05:19,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 374. [2020-09-25 03:05:19,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2020-09-25 03:05:19,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 419 transitions. [2020-09-25 03:05:19,338 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 419 transitions. Word has length 216 [2020-09-25 03:05:19,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:05:19,339 INFO L479 AbstractCegarLoop]: Abstraction has 374 states and 419 transitions. [2020-09-25 03:05:19,339 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 03:05:19,339 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 419 transitions. [2020-09-25 03:05:19,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-09-25 03:05:19,343 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:05:19,343 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:05:19,343 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 03:05:19,344 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:05:19,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:05:19,344 INFO L82 PathProgramCache]: Analyzing trace with hash 36285474, now seen corresponding path program 1 times [2020-09-25 03:05:19,344 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:05:19,345 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [33819619] [2020-09-25 03:05:19,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:05:19,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:19,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:20,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:20,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-09-25 03:05:20,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:20,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 940 [2020-09-25 03:05:20,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:20,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:05:20,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 187 [2020-09-25 03:05:20,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 03:05:20,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:20,626 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:05:20,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:05:20,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:20,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:20,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:20,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 03:05:20,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:20,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-09-25 03:05:20,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:20,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:20,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:20,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:20,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:20,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 03:05:20,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:20,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:20,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:20,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:20,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:20,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 03:05:20,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:20,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:20,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:20,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:20,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:20,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 03:05:20,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:20,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:20,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:20,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:20,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:20,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 03:05:20,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:20,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:20,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:20,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:20,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:20,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 03:05:20,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:20,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:20,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:20,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:20,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:20,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:05:20,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:20,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:20,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:20,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:20,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:20,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 03:05:20,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:20,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:20,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:20,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:20,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:20,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 03:05:20,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:20,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:20,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:20,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:20,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:20,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 03:05:20,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:20,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:20,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:20,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:05:20,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:20,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:20,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:20,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:20,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:20,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:20,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:20,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 03:05:20,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:20,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:20,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:20,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 03:05:20,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:20,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:20,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:20,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:20,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:20,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:20,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:20,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:05:20,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:20,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:20,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:20,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:20,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:20,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 03:05:20,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:20,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:20,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:20,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:20,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:20,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 03:05:20,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:20,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:20,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:20,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 03:05:20,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:20,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-09-25 03:05:20,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:20,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:05:20,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 03:05:20,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 03:05:20,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:20,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:05:20,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:20,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:20,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:20,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 03:05:20,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:20,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-25 03:05:20,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:20,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:05:20,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 03:05:20,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 03:05:20,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:21,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 03:05:21,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:21,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:21,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:21,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:05:21,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:21,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 03:05:21,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:21,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 03:05:21,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:21,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:05:21,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:21,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 03:05:21,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:21,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:21,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:21,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 03:05:21,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:21,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 03:05:21,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:21,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:21,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 03:05:21,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:21,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:21,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:05:21,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:21,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:21,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:21,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 03:05:21,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:21,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:21,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:21,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:21,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:21,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:21,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:21,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:05:21,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:21,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:21,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:21,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:21,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:21,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:21,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:21,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:21,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:21,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:21,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:21,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 03:05:21,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:21,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:21,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:21,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:05:21,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:21,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:05:21,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:21,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:21,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:21,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:21,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:21,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-09-25 03:05:21,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:21,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:21,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:21,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:21,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:21,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:05:21,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:21,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:21,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:05:21,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:21,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:21,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-25 03:05:21,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:21,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:21,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:21,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:21,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:21,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:21,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:21,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:21,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:05:21,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:21,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:21,177 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 03:05:21,178 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [33819619] [2020-09-25 03:05:21,178 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:05:21,178 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 03:05:21,179 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442491633] [2020-09-25 03:05:21,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 03:05:21,180 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:05:21,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 03:05:21,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 03:05:21,181 INFO L87 Difference]: Start difference. First operand 374 states and 419 transitions. Second operand 9 states. [2020-09-25 03:05:22,525 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:05:22,806 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 03:05:23,135 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:05:23,468 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 03:05:23,755 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:05:24,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:05:24,694 INFO L93 Difference]: Finished difference Result 722 states and 874 transitions. [2020-09-25 03:05:24,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 03:05:24,694 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 225 [2020-09-25 03:05:24,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:05:24,698 INFO L225 Difference]: With dead ends: 722 [2020-09-25 03:05:24,699 INFO L226 Difference]: Without dead ends: 463 [2020-09-25 03:05:24,700 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-25 03:05:24,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2020-09-25 03:05:24,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 380. [2020-09-25 03:05:24,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2020-09-25 03:05:24,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 425 transitions. [2020-09-25 03:05:24,755 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 425 transitions. Word has length 225 [2020-09-25 03:05:24,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:05:24,756 INFO L479 AbstractCegarLoop]: Abstraction has 380 states and 425 transitions. [2020-09-25 03:05:24,756 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 03:05:24,756 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 425 transitions. [2020-09-25 03:05:24,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-09-25 03:05:24,759 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:05:24,760 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:05:24,760 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 03:05:24,760 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:05:24,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:05:24,761 INFO L82 PathProgramCache]: Analyzing trace with hash -584186273, now seen corresponding path program 1 times [2020-09-25 03:05:24,761 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:05:24,761 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [126282089] [2020-09-25 03:05:24,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:05:24,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:24,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:26,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:26,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-09-25 03:05:26,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:26,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1409 [2020-09-25 03:05:26,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:26,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 03:05:26,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 03:05:26,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-09-25 03:05:26,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:26,624 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:05:26,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:05:26,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:26,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:26,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:26,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 03:05:26,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:26,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 278 [2020-09-25 03:05:26,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:26,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:26,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:26,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 03:05:26,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:27,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 03:05:27,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:27,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:27,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:27,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:27,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:27,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:05:27,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:27,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:27,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:27,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:05:27,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:27,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 03:05:27,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:27,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:27,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:27,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:27,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:27,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:05:27,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:27,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:27,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:27,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:05:27,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:27,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 03:05:27,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:27,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:27,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:27,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:27,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:27,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 03:05:27,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:27,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:27,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:27,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:05:27,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:27,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 03:05:27,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:27,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:27,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:27,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:27,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:27,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:05:27,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:27,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:27,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:27,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:05:27,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:27,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 03:05:27,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:27,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:27,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:27,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:05:27,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:27,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:05:27,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:27,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:27,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:27,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 03:05:27,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:27,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 03:05:27,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:27,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:27,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:27,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 03:05:27,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:27,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:05:27,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:27,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:27,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:27,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 03:05:27,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:27,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:05:27,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:27,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:27,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:27,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:27,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:27,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:05:27,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:27,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:27,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:27,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:27,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:27,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 03:05:27,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:27,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:27,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:27,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 03:05:27,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:27,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-25 03:05:27,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:27,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:27,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-09-25 03:05:27,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-25 03:05:27,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:27,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:05:27,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:27,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:27,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:27,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 03:05:27,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:27,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 03:05:27,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:27,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:27,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:27,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 03:05:27,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:27,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 03:05:27,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:27,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:27,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:27,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:05:27,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:27,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:05:27,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:27,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:27,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:27,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 03:05:27,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:27,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 03:05:27,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:27,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:27,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:27,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 03:05:27,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:27,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 03:05:27,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:27,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:27,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:27,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-25 03:05:27,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:27,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:05:27,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:27,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:27,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:27,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 03:05:27,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:27,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:27,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:27,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:27,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:27,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:27,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:27,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:05:27,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:27,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:27,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:27,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:27,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:27,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 03:05:27,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:27,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:27,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:27,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:27,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:27,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 03:05:27,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:27,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:27,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:27,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:05:27,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:27,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:27,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:27,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:27,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:27,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:27,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:27,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-09-25 03:05:27,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:27,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:27,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:27,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:27,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:27,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:27,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:27,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:27,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:05:27,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:27,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:27,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-25 03:05:27,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:27,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:27,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:27,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:27,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:27,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:27,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:27,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:27,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:05:27,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:27,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:27,396 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 03:05:27,396 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [126282089] [2020-09-25 03:05:27,396 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:05:27,397 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 03:05:27,397 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559306850] [2020-09-25 03:05:27,397 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 03:05:27,398 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:05:27,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 03:05:27,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-25 03:05:27,398 INFO L87 Difference]: Start difference. First operand 380 states and 425 transitions. Second operand 7 states. [2020-09-25 03:05:27,951 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:05:28,753 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:05:30,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:05:30,754 INFO L93 Difference]: Finished difference Result 1037 states and 1274 transitions. [2020-09-25 03:05:30,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-25 03:05:30,755 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 225 [2020-09-25 03:05:30,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:05:30,761 INFO L225 Difference]: With dead ends: 1037 [2020-09-25 03:05:30,761 INFO L226 Difference]: Without dead ends: 761 [2020-09-25 03:05:30,763 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 43 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2020-09-25 03:05:30,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2020-09-25 03:05:30,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 672. [2020-09-25 03:05:30,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 672 states. [2020-09-25 03:05:30,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 778 transitions. [2020-09-25 03:05:30,855 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 778 transitions. Word has length 225 [2020-09-25 03:05:30,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:05:30,855 INFO L479 AbstractCegarLoop]: Abstraction has 672 states and 778 transitions. [2020-09-25 03:05:30,855 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 03:05:30,855 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 778 transitions. [2020-09-25 03:05:30,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-25 03:05:30,859 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:05:30,860 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:05:30,860 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 03:05:30,860 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:05:30,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:05:30,861 INFO L82 PathProgramCache]: Analyzing trace with hash 1620667469, now seen corresponding path program 1 times [2020-09-25 03:05:30,861 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:05:30,861 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2081566289] [2020-09-25 03:05:30,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:05:30,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:30,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:31,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:35,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:35,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 281 [2020-09-25 03:05:35,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:05:35,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5040 [2020-09-25 03:05:35,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:35,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-25 03:05:35,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 03:05:35,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 183 [2020-09-25 03:05:35,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:36,424 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:05:36,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:05:36,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:36,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:36,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:36,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 03:05:36,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:36,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 334 [2020-09-25 03:05:36,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:36,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:36,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:36,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 03:05:36,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:36,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 03:05:36,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:36,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:36,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:36,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:36,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:36,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:05:36,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:36,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:36,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:36,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:05:36,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:36,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 03:05:36,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:36,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:36,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:36,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:36,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:36,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:05:36,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:36,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:36,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:36,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:05:36,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:05:36,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 03:05:36,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:36,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:36,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:36,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:36,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:36,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 03:05:36,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:36,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:36,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:36,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:05:36,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:36,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 03:05:36,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:36,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:36,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:36,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:05:36,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:36,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:05:36,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:36,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:36,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:36,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:05:36,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:36,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 03:05:36,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:36,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:36,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:36,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:05:36,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:36,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:05:36,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:36,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:36,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:36,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 03:05:36,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:36,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 03:05:36,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:36,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:36,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:36,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:05:36,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:36,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 03:05:36,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:36,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:05:36,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 03:05:36,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 03:05:36,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:37,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 03:05:37,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:37,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:37,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:37,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 03:05:37,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:37,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 03:05:37,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:37,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:37,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:37,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 03:05:37,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:37,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:05:37,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:37,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:37,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:37,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:37,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:37,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:05:37,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:37,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:37,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:37,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:37,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:37,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 03:05:37,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:37,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:37,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:37,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 03:05:37,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:37,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-25 03:05:37,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:37,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:05:37,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:37,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-25 03:05:37,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:37,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:05:37,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:37,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:37,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:37,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 03:05:37,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:37,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 03:05:37,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:37,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:37,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:37,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:37,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:37,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 03:05:37,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:37,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:37,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:37,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:05:37,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:37,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:05:37,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:37,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:37,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:37,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:37,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:37,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 03:05:37,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:37,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:37,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:37,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 03:05:37,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:37,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 03:05:37,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:37,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:37,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:37,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:37,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:37,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:05:37,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:37,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:37,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:37,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 03:05:37,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:37,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:05:37,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:37,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:37,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:37,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:37,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:37,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:05:37,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:37,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:37,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:37,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:37,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:37,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:05:37,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:37,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:37,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:37,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:37,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:37,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 03:05:37,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:37,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:37,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:37,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:05:37,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:37,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:05:37,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:37,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:37,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:37,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:37,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:37,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-25 03:05:37,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:37,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:37,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:37,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:37,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:37,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 03:05:37,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:37,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:05:37,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:05:37,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:05:37,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:37,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-25 03:05:37,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:05:37,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:05:37,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:05:37,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:05:37,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:05:37,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:05:37,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:05:37,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:05:37,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:05:37,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:05:37,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:05:37,415 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 03:05:37,416 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2081566289] [2020-09-25 03:05:37,416 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:05:37,416 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-25 03:05:37,417 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201929317] [2020-09-25 03:05:37,418 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-25 03:05:37,418 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:05:37,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-25 03:05:37,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-09-25 03:05:37,420 INFO L87 Difference]: Start difference. First operand 672 states and 778 transitions. Second operand 14 states. [2020-09-25 03:05:38,020 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:05:38,948 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:05:39,944 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:05:40,283 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:05:40,685 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 03:05:41,034 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 03:05:41,390 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:05:41,732 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:05:42,155 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 03:05:42,495 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:05:44,788 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:05:45,089 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:05:45,712 WARN L193 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-25 03:05:46,062 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 191