/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=DEEPEST --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_product64.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 00:50:04,001 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 00:50:04,005 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 00:50:04,052 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 00:50:04,053 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 00:50:04,064 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 00:50:04,066 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 00:50:04,070 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 00:50:04,073 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 00:50:04,077 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 00:50:04,078 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 00:50:04,079 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 00:50:04,079 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 00:50:04,082 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 00:50:04,085 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 00:50:04,087 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 00:50:04,089 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 00:50:04,090 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 00:50:04,091 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 00:50:04,101 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 00:50:04,102 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 00:50:04,104 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 00:50:04,105 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 00:50:04,106 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 00:50:04,109 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 00:50:04,109 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 00:50:04,109 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 00:50:04,112 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 00:50:04,112 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 00:50:04,114 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 00:50:04,114 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 00:50:04,115 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 00:50:04,116 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 00:50:04,117 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 00:50:04,118 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 00:50:04,119 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 00:50:04,119 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 00:50:04,120 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 00:50:04,120 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 00:50:04,121 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 00:50:04,122 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 00:50:04,123 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 00:50:04,169 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 00:50:04,170 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 00:50:04,172 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 00:50:04,172 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 00:50:04,172 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 00:50:04,172 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 00:50:04,173 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 00:50:04,173 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 00:50:04,173 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 00:50:04,173 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 00:50:04,174 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 00:50:04,175 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 00:50:04,175 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 00:50:04,175 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 00:50:04,176 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 00:50:04,176 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 00:50:04,176 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 00:50:04,176 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 00:50:04,176 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 00:50:04,177 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 00:50:04,177 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 00:50:04,177 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 00:50:04,177 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 00:50:04,177 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 00:50:04,178 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 00:50:04,178 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 00:50:04,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 00:50:04,178 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 00:50:04,178 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 00:50:04,179 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=DEEPEST;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=DEEPEST;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=DEEPEST;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=DEEPEST;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=DEEPEST;log-additional-information=true; [2020-09-25 00:50:04,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 00:50:04,638 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 00:50:04,642 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 00:50:04,644 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 00:50:04,645 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 00:50:04,646 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c [2020-09-25 00:50:04,722 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4f46f8bd1/6f794c0691d14a8187d05ab1ce0c61bf/FLAGe24f7b89b [2020-09-25 00:50:05,356 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 00:50:05,357 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c [2020-09-25 00:50:05,382 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4f46f8bd1/6f794c0691d14a8187d05ab1ce0c61bf/FLAGe24f7b89b [2020-09-25 00:50:05,571 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4f46f8bd1/6f794c0691d14a8187d05ab1ce0c61bf [2020-09-25 00:50:05,586 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 00:50:05,593 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 00:50:05,594 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 00:50:05,594 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 00:50:05,598 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 00:50:05,600 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:50:05" (1/1) ... [2020-09-25 00:50:05,604 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c86c800 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:50:05, skipping insertion in model container [2020-09-25 00:50:05,604 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:50:05" (1/1) ... [2020-09-25 00:50:05,613 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 00:50:05,688 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 00:50:06,202 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:50:06,223 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 00:50:06,307 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:50:06,352 INFO L208 MainTranslator]: Completed translation [2020-09-25 00:50:06,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:50:06 WrapperNode [2020-09-25 00:50:06,353 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 00:50:06,353 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 00:50:06,354 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 00:50:06,354 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 00:50:06,370 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:50:06" (1/1) ... [2020-09-25 00:50:06,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:50:06" (1/1) ... [2020-09-25 00:50:06,390 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:50:06" (1/1) ... [2020-09-25 00:50:06,391 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:50:06" (1/1) ... [2020-09-25 00:50:06,423 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:50:06" (1/1) ... [2020-09-25 00:50:06,435 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:50:06" (1/1) ... [2020-09-25 00:50:06,440 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:50:06" (1/1) ... [2020-09-25 00:50:06,448 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 00:50:06,449 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 00:50:06,449 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 00:50:06,449 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 00:50:06,451 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:50:06" (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 00:50:06,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 00:50:06,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 00:50:06,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 00:50:06,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 00:50:06,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 00:50:06,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 00:50:06,538 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 00:50:06,539 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 00:50:06,539 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 00:50:06,539 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 00:50:06,539 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 00:50:06,539 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 00:50:06,540 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 00:50:06,540 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 00:50:06,540 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 00:50:06,540 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 00:50:06,540 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 00:50:06,541 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 00:50:06,541 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 00:50:06,541 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 00:50:06,541 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 00:50:06,542 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 00:50:06,542 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 00:50:06,542 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 00:50:06,542 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 00:50:06,542 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 00:50:06,543 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 00:50:06,543 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 00:50:06,543 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 00:50:06,543 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 00:50:06,543 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 00:50:06,543 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 00:50:06,544 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 00:50:06,544 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 00:50:06,544 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 00:50:06,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 00:50:06,544 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 00:50:06,544 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 00:50:06,544 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 00:50:06,545 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 00:50:06,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 00:50:06,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 00:50:06,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 00:50:06,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 00:50:06,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 00:50:06,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 00:50:06,546 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 00:50:06,546 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 00:50:06,546 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 00:50:06,546 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 00:50:06,546 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 00:50:06,547 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 00:50:06,547 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 00:50:06,547 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 00:50:06,547 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 00:50:06,547 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 00:50:06,548 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 00:50:06,548 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 00:50:06,548 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 00:50:06,548 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 00:50:06,548 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 00:50:06,548 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 00:50:06,549 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 00:50:06,549 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 00:50:06,549 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 00:50:06,549 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 00:50:06,549 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 00:50:06,549 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 00:50:06,549 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 00:50:06,550 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 00:50:06,550 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 00:50:06,550 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 00:50:06,550 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 00:50:06,550 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 00:50:06,550 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 00:50:06,551 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 00:50:06,551 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 00:50:06,551 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 00:50:06,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 00:50:06,551 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 00:50:06,552 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 00:50:06,552 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 00:50:06,552 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 00:50:06,552 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 00:50:06,552 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 00:50:06,552 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 00:50:06,552 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 00:50:06,553 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 00:50:06,553 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 00:50:06,553 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 00:50:06,553 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 00:50:06,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 00:50:06,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 00:50:06,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 00:50:06,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 00:50:06,554 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 00:50:06,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 00:50:06,554 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 00:50:06,554 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 00:50:06,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 00:50:06,555 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 00:50:06,555 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 00:50:06,555 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 00:50:06,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 00:50:06,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 00:50:06,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 00:50:07,736 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 00:50:07,736 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 00:50:07,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:50:07 BoogieIcfgContainer [2020-09-25 00:50:07,753 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 00:50:07,755 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 00:50:07,755 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 00:50:07,759 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 00:50:07,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:50:05" (1/3) ... [2020-09-25 00:50:07,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e90af53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:50:07, skipping insertion in model container [2020-09-25 00:50:07,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:50:06" (2/3) ... [2020-09-25 00:50:07,761 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e90af53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:50:07, skipping insertion in model container [2020-09-25 00:50:07,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:50:07" (3/3) ... [2020-09-25 00:50:07,764 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product64.cil.c [2020-09-25 00:50:07,777 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 00:50:07,789 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 00:50:07,810 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 00:50:07,844 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 00:50:07,844 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 00:50:07,845 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 00:50:07,845 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 00:50:07,845 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 00:50:07,845 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 00:50:07,845 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 00:50:07,845 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 00:50:07,874 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states. [2020-09-25 00:50:07,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 00:50:07,892 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:50:07,894 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 00:50:07,895 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:50:07,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:50:07,903 INFO L82 PathProgramCache]: Analyzing trace with hash -2061936998, now seen corresponding path program 1 times [2020-09-25 00:50:07,914 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:50:07,914 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [600419568] [2020-09-25 00:50:07,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:50:08,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:08,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:08,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:10,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:10,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:13,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:13,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 00:50:13,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 00:50:13,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-09-25 00:50:13,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:13,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:50:13,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 161 [2020-09-25 00:50:13,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 00:50:13,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 00:50:13,769 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:50:13,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:50:13,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:13,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:13,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:13,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 00:50:13,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:13,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-09-25 00:50:13,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:13,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:13,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:13,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:13,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:13,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 00:50:13,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:13,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:13,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:13,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:50:13,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:13,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:50:13,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:13,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:13,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:13,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:13,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:13,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 00:50:13,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:13,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:13,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:13,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:50:13,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:13,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:50:13,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:13,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:13,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:13,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:13,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:13,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 00:50:13,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:13,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:13,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:13,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:50:13,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:13,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:50:13,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:13,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:13,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:14,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:14,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:14,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 00:50:14,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:14,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:14,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:14,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:50:14,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:14,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:50:14,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:14,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:14,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:14,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:14,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:14,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 00:50:14,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:14,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:14,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:14,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:50:14,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:14,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:50:14,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:14,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:14,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:14,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:14,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:14,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 00:50:14,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:14,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:14,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:14,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 00:50:14,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:14,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:50:14,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:14,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:14,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:14,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:14,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:14,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:50:14,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:14,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:14,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:14,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:50:14,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:14,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:50:14,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:14,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:14,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:14,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:14,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:14,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 00:50:14,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:14,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:14,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:14,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:50:14,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:14,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:50:14,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:14,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:50:14,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:14,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:50:14,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:14,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 00:50:14,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:14,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:14,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:14,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:50:14,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:14,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 00:50:14,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:14,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:50:14,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:14,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:50:14,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:14,169 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 00:50:14,170 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [600419568] [2020-09-25 00:50:14,172 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:50:14,173 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 00:50:14,173 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712645570] [2020-09-25 00:50:14,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 00:50:14,181 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:50:14,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 00:50:14,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 00:50:14,201 INFO L87 Difference]: Start difference. First operand 369 states. Second operand 9 states. [2020-09-25 00:50:15,122 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:50:16,014 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:50:16,374 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 00:50:17,945 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:50:18,218 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:50:18,478 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:50:18,826 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:50:19,148 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 00:50:19,450 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:50:20,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:50:20,524 INFO L93 Difference]: Finished difference Result 736 states and 890 transitions. [2020-09-25 00:50:20,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 00:50:20,526 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2020-09-25 00:50:20,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:50:20,548 INFO L225 Difference]: With dead ends: 736 [2020-09-25 00:50:20,548 INFO L226 Difference]: Without dead ends: 491 [2020-09-25 00:50:20,555 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-25 00:50:20,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2020-09-25 00:50:20,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 440. [2020-09-25 00:50:20,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 440 states. [2020-09-25 00:50:20,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 493 transitions. [2020-09-25 00:50:20,702 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 493 transitions. Word has length 160 [2020-09-25 00:50:20,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:50:20,703 INFO L479 AbstractCegarLoop]: Abstraction has 440 states and 493 transitions. [2020-09-25 00:50:20,704 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 00:50:20,704 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 493 transitions. [2020-09-25 00:50:20,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-09-25 00:50:20,710 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:50:20,711 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:50:20,711 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 00:50:20,711 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:50:20,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:50:20,712 INFO L82 PathProgramCache]: Analyzing trace with hash -670557693, now seen corresponding path program 1 times [2020-09-25 00:50:20,712 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:50:20,712 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1385832626] [2020-09-25 00:50:20,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:50:20,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:20,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:22,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:22,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-09-25 00:50:22,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:22,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1223 [2020-09-25 00:50:22,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:22,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:50:22,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 211 [2020-09-25 00:50:22,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 00:50:22,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:22,294 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:50:22,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:50:22,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:22,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:22,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:22,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 00:50:22,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:22,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-09-25 00:50:22,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:22,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:22,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:22,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:22,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:22,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 00:50:22,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:22,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:22,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:22,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:50:22,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:22,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:50:22,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:22,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:22,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:22,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:22,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:22,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 00:50:22,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:22,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:22,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:22,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:50:22,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:22,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:50:22,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:22,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:22,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:22,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:22,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:22,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 00:50:22,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:22,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:22,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:22,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:50:22,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:22,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:50:22,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:22,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:22,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:22,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:22,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:22,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 00:50:22,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:22,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:22,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:22,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:50:22,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:22,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 00:50:22,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:22,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:22,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:22,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:22,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:22,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 00:50:22,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:22,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:22,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:22,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:50:22,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:22,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:50:22,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:22,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:22,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:22,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:22,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 00:50:22,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 00:50:22,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:22,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:22,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:22,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:50:22,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:22,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:50:22,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:22,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:22,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:22,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:22,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:22,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 00:50:22,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:22,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:22,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:22,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 00:50:22,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:22,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:50:22,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:22,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:22,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:22,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:22,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:22,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:50:22,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:22,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:22,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:22,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:50:22,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:22,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:50:22,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:22,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:22,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:22,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:22,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:22,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 00:50:22,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:22,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:22,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:22,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 00:50:22,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:22,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-09-25 00:50:22,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:22,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:50:22,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 00:50:22,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 00:50:22,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:22,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:50:22,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:22,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:22,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:22,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 00:50:22,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:22,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-09-25 00:50:22,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:22,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:50:22,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 00:50:22,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 00:50:22,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:22,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:50:22,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:22,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:22,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:22,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 00:50:22,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:22,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-25 00:50:22,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:22,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:50:22,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 00:50:22,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 00:50:22,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:22,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:50:22,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:22,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:23,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:23,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 00:50:23,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:23,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-25 00:50:23,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:23,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:50:23,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:23,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 00:50:23,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:23,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:50:23,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:23,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:23,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:23,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:50:23,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:23,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:50:23,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:23,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:23,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:23,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:23,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:23,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 00:50:23,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:23,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:23,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:23,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 00:50:23,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:23,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 00:50:23,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:23,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:23,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 00:50:23,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:23,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:23,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:50:23,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:23,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:23,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:23,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 00:50:23,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:23,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:50:23,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:23,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:23,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:23,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:23,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:23,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:50:23,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:23,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:23,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:23,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:50:23,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:23,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:50:23,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:23,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:23,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:23,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:23,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:23,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 00:50:23,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:23,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:23,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:23,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:50:23,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:23,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 00:50:23,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:23,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:23,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:23,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:23,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:23,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-09-25 00:50:23,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:23,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:23,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:23,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:50:23,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:23,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:50:23,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:23,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:23,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:50:23,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:23,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:23,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-25 00:50:23,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:23,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:23,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:23,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:50:23,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:23,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:50:23,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:23,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:23,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:50:23,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:23,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:23,206 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 00:50:23,206 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1385832626] [2020-09-25 00:50:23,207 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:50:23,207 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 00:50:23,208 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404691369] [2020-09-25 00:50:23,210 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 00:50:23,210 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:50:23,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 00:50:23,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 00:50:23,211 INFO L87 Difference]: Start difference. First operand 440 states and 493 transitions. Second operand 11 states. [2020-09-25 00:50:24,882 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:50:25,207 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 00:50:25,503 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 00:50:25,809 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:50:26,126 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 00:50:26,448 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:50:28,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:50:28,001 INFO L93 Difference]: Finished difference Result 939 states and 1174 transitions. [2020-09-25 00:50:28,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-25 00:50:28,002 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 239 [2020-09-25 00:50:28,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:50:28,015 INFO L225 Difference]: With dead ends: 939 [2020-09-25 00:50:28,015 INFO L226 Difference]: Without dead ends: 614 [2020-09-25 00:50:28,020 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-25 00:50:28,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2020-09-25 00:50:28,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 457. [2020-09-25 00:50:28,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 457 states. [2020-09-25 00:50:28,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 516 transitions. [2020-09-25 00:50:28,099 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 516 transitions. Word has length 239 [2020-09-25 00:50:28,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:50:28,100 INFO L479 AbstractCegarLoop]: Abstraction has 457 states and 516 transitions. [2020-09-25 00:50:28,100 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 00:50:28,100 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 516 transitions. [2020-09-25 00:50:28,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-09-25 00:50:28,103 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:50:28,104 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] [2020-09-25 00:50:28,104 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 00:50:28,104 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:50:28,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:50:28,105 INFO L82 PathProgramCache]: Analyzing trace with hash 1675395919, now seen corresponding path program 1 times [2020-09-25 00:50:28,105 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:50:28,105 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [342683481] [2020-09-25 00:50:28,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:50:28,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:28,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:28,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:30,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:30,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 281 [2020-09-25 00:50:30,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 00:50:30,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1971 [2020-09-25 00:50:30,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:30,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:50:30,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 190 [2020-09-25 00:50:30,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:50:30,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:30,471 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:50:30,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:50:30,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:30,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:30,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:30,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 00:50:30,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:30,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-09-25 00:50:30,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:30,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:30,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:30,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:30,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:30,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 00:50:30,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:30,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:30,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:30,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:50:30,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:30,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:50:30,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:30,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:30,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:30,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:30,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:30,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 00:50:30,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:30,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:30,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:30,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:50:30,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:30,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:50:30,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:30,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:30,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:30,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:30,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:30,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 00:50:30,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:30,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:30,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:30,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:50:30,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:30,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:50:30,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:30,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:30,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:30,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:30,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:30,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 00:50:30,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:30,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:30,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:30,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:50:30,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:30,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:50:30,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:30,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:30,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:30,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:30,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:30,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 00:50:30,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:30,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:30,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:30,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:50:30,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:30,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:50:30,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:30,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:30,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:30,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:30,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:30,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 00:50:30,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:30,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:30,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:30,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 00:50:30,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:30,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:50:30,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:30,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:30,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:30,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:30,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:30,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:50:30,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:30,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:30,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:30,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:50:30,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:30,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:50:30,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:30,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:30,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:30,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:30,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:30,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 00:50:30,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:30,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:30,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:30,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 00:50:30,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:30,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-09-25 00:50:30,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:30,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:50:30,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-25 00:50:30,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:50:30,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:30,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:50:30,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:30,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:30,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:30,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 00:50:30,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:30,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-09-25 00:50:30,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:30,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:50:30,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 00:50:30,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:50:30,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:30,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:50:30,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:30,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:31,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:31,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 00:50:31,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:31,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-09-25 00:50:31,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:31,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:50:31,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 00:50:31,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:50:31,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:31,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:50:31,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:31,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:31,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:31,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 00:50:31,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:31,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 00:50:31,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:31,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:50:31,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 00:50:31,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:50:31,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:31,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:50:31,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:31,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:31,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:31,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:50:31,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:31,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 00:50:31,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:31,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 00:50:31,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:31,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:50:31,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:31,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 00:50:31,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:31,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:31,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:31,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 00:50:31,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:31,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 00:50:31,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:31,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:31,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 00:50:31,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:31,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:31,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:50:31,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:31,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:31,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:31,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 00:50:31,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:31,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:50:31,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:31,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:31,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:31,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:31,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:31,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:50:31,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:31,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:31,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:31,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:50:31,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:31,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:50:31,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:31,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:31,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:31,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:31,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:31,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 00:50:31,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:31,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:31,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:31,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:50:31,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:31,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:50:31,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:31,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:31,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:31,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:31,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:31,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-09-25 00:50:31,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:31,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:31,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:31,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:50:31,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:31,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:50:31,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:31,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:31,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:50:31,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:31,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:31,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-09-25 00:50:31,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:31,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:31,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:31,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:50:31,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:31,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:50:31,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:31,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:31,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:50:31,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:31,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:31,251 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 00:50:31,251 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [342683481] [2020-09-25 00:50:31,251 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:50:31,252 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 00:50:31,252 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596391209] [2020-09-25 00:50:31,253 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 00:50:31,254 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:50:31,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 00:50:31,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 00:50:31,254 INFO L87 Difference]: Start difference. First operand 457 states and 516 transitions. Second operand 9 states. [2020-09-25 00:50:32,681 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:50:33,030 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 00:50:33,350 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:50:33,663 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 00:50:33,954 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:50:35,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:50:35,333 INFO L93 Difference]: Finished difference Result 887 states and 1079 transitions. [2020-09-25 00:50:35,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 00:50:35,334 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 226 [2020-09-25 00:50:35,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:50:35,339 INFO L225 Difference]: With dead ends: 887 [2020-09-25 00:50:35,339 INFO L226 Difference]: Without dead ends: 545 [2020-09-25 00:50:35,341 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-25 00:50:35,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2020-09-25 00:50:35,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 463. [2020-09-25 00:50:35,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2020-09-25 00:50:35,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 522 transitions. [2020-09-25 00:50:35,404 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 522 transitions. Word has length 226 [2020-09-25 00:50:35,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:50:35,405 INFO L479 AbstractCegarLoop]: Abstraction has 463 states and 522 transitions. [2020-09-25 00:50:35,405 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 00:50:35,405 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 522 transitions. [2020-09-25 00:50:35,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-09-25 00:50:35,409 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:50:35,409 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] [2020-09-25 00:50:35,409 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 00:50:35,409 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:50:35,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:50:35,410 INFO L82 PathProgramCache]: Analyzing trace with hash 343897868, now seen corresponding path program 1 times [2020-09-25 00:50:35,410 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:50:35,410 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [574847691] [2020-09-25 00:50:35,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:50:35,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:35,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:35,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:39,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:39,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 281 [2020-09-25 00:50:39,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 00:50:39,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3910 [2020-09-25 00:50:39,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:39,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:50:39,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 00:50:39,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 00:50:39,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:39,635 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:50:39,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:50:39,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:39,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:39,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:39,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 00:50:39,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:39,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-09-25 00:50:39,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:39,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:39,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:39,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:39,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:39,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 00:50:39,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:39,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:39,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:39,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:50:39,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:39,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:50:39,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:39,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:39,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:39,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:39,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:39,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 00:50:39,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:39,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:39,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:39,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:50:39,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:39,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:50:39,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:39,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:39,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:39,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:39,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:39,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 00:50:39,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:39,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:39,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:39,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:50:39,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:39,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:50:39,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:39,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:39,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:39,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:39,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:39,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 00:50:39,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:39,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:39,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:39,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:50:39,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:39,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:50:39,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:39,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:39,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:39,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:39,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:39,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 00:50:39,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:39,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:39,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:39,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:50:39,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:39,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:50:39,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:39,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:39,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:39,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:39,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:39,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 00:50:39,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:39,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:39,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:39,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 00:50:39,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:39,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:50:39,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:39,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:39,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 00:50:39,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:39,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:39,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:50:39,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:39,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:39,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:39,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:50:39,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:39,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:50:39,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:39,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:39,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:39,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:39,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:39,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 00:50:39,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:39,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:39,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:39,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 00:50:39,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:39,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 00:50:39,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:39,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:39,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-09-25 00:50:39,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:39,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:39,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:50:39,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:39,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:39,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:39,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 00:50:39,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:39,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 00:50:39,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:39,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:39,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:39,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:39,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:39,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:50:39,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:39,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:39,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:39,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 00:50:39,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:39,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 00:50:39,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:39,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:39,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:39,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:39,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:39,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:50:39,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:39,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:39,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:39,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 00:50:39,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:39,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 00:50:39,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:39,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:39,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:39,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:39,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:39,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:50:39,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:39,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:39,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:39,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:50:39,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:39,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:50:39,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:39,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:39,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:39,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:39,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:39,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 00:50:39,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:39,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:39,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:39,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 00:50:39,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:39,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 00:50:39,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:39,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:39,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:39,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:39,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:39,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:50:39,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:39,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:39,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:39,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 00:50:39,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:39,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:50:39,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:39,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:39,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:39,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:39,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:39,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:50:39,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:39,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:39,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:39,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:50:39,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:39,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:50:39,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:39,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:39,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:39,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:39,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:39,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 00:50:39,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:39,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:39,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:39,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:50:39,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:39,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:50:39,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:39,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:39,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:39,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:39,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:39,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-09-25 00:50:39,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:39,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:39,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:39,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:50:39,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:39,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:50:39,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:39,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:39,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:50:39,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:39,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:39,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-09-25 00:50:39,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:39,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:39,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:39,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:50:39,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:39,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:50:39,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:39,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:39,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:50:39,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:39,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:40,114 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 00:50:40,114 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [574847691] [2020-09-25 00:50:40,115 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:50:40,115 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 00:50:40,115 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470346725] [2020-09-25 00:50:40,116 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 00:50:40,117 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:50:40,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 00:50:40,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 00:50:40,118 INFO L87 Difference]: Start difference. First operand 463 states and 522 transitions. Second operand 6 states. [2020-09-25 00:50:41,002 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:50:42,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:50:42,606 INFO L93 Difference]: Finished difference Result 780 states and 895 transitions. [2020-09-25 00:50:42,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 00:50:42,607 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 226 [2020-09-25 00:50:42,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:50:42,611 INFO L225 Difference]: With dead ends: 780 [2020-09-25 00:50:42,611 INFO L226 Difference]: Without dead ends: 511 [2020-09-25 00:50:42,612 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-09-25 00:50:42,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2020-09-25 00:50:42,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 443. [2020-09-25 00:50:42,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2020-09-25 00:50:42,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 488 transitions. [2020-09-25 00:50:42,662 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 488 transitions. Word has length 226 [2020-09-25 00:50:42,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:50:42,662 INFO L479 AbstractCegarLoop]: Abstraction has 443 states and 488 transitions. [2020-09-25 00:50:42,662 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 00:50:42,662 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 488 transitions. [2020-09-25 00:50:42,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-09-25 00:50:42,666 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:50:42,666 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:50:42,666 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 00:50:42,667 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:50:42,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:50:42,667 INFO L82 PathProgramCache]: Analyzing trace with hash -247892448, now seen corresponding path program 1 times [2020-09-25 00:50:42,667 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:50:42,667 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [869081507] [2020-09-25 00:50:42,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:50:42,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:42,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:44,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:44,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-09-25 00:50:44,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:44,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1373 [2020-09-25 00:50:44,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:44,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 00:50:44,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 00:50:44,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-09-25 00:50:44,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:44,405 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:50:44,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:50:44,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:44,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:44,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:44,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 00:50:44,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:44,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 213 [2020-09-25 00:50:44,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:44,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:50:44,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:44,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 00:50:44,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:44,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 00:50:44,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:44,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:44,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:44,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:50:44,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:44,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:50:44,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:44,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:50:44,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:44,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 00:50:44,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:44,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 00:50:44,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:44,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:44,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:44,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:50:44,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:44,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:50:44,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:44,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:50:44,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:44,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 00:50:44,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:44,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 00:50:44,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:44,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:44,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:44,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:50:44,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:44,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 00:50:44,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:44,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:50:44,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:44,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:50:44,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:44,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 00:50:44,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:44,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:44,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:44,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:50:44,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:44,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:50:44,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:44,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:50:44,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:44,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 00:50:44,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:44,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 00:50:44,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:44,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:44,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:44,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:50:44,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:44,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:50:44,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:44,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:50:44,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:44,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 00:50:44,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:44,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 00:50:44,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:44,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:44,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:44,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:50:44,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:44,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:50:44,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:44,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:50:44,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:44,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 00:50:44,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:44,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 00:50:44,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:44,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:44,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:44,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 00:50:44,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:44,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:50:44,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:44,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:50:44,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:44,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 00:50:44,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:44,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:50:44,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:44,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:44,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:44,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:50:44,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:44,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:50:44,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:44,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:44,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:44,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:44,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:44,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 00:50:44,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:44,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:44,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:44,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 00:50:44,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:44,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-25 00:50:44,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:44,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:50:44,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-09-25 00:50:44,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-09-25 00:50:44,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:44,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:50:44,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:44,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:44,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:44,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 00:50:44,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:44,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-25 00:50:44,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:44,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:50:44,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:44,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-25 00:50:44,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:44,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:50:44,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:44,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:44,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:44,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 00:50:44,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:44,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 00:50:44,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:44,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:50:44,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:44,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 00:50:44,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:44,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:50:44,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:44,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:45,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:45,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 00:50:45,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:45,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 00:50:45,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:45,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:50:45,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:45,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 00:50:45,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:45,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:50:45,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:45,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:45,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:45,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:50:45,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:45,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:50:45,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:45,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:50:45,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:45,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 00:50:45,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:50:45,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 00:50:45,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:45,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:45,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:45,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 00:50:45,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:45,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 00:50:45,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:45,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:50:45,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:45,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-25 00:50:45,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 37 [2020-09-25 00:50:45,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:50:45,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:45,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:45,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:45,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 00:50:45,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:45,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 00:50:45,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:45,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:45,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:45,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:45,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:45,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:50:45,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:45,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:45,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:45,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:50:45,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:45,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:50:45,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:45,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:45,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:45,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:45,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:45,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 00:50:45,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:45,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:45,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:45,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:50:45,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:45,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:50:45,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:45,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:45,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:50:45,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:45,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:45,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-09-25 00:50:45,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:45,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:45,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:45,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:50:45,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:45,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:50:45,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:45,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:45,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:50:45,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:45,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:45,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-25 00:50:45,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:45,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:45,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:50:45,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:50:45,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:50:45,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:50:45,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:50:45,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:50:45,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:50:45,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:50:45,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:50:45,209 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 00:50:45,210 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [869081507] [2020-09-25 00:50:45,210 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:50:45,210 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 00:50:45,211 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810313382] [2020-09-25 00:50:45,211 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 00:50:45,211 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:50:45,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 00:50:45,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-25 00:50:45,212 INFO L87 Difference]: Start difference. First operand 443 states and 488 transitions. Second operand 8 states. [2020-09-25 00:50:45,674 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:50:46,347 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:50:49,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:50:49,272 INFO L93 Difference]: Finished difference Result 1292 states and 1590 transitions. [2020-09-25 00:50:49,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-25 00:50:49,273 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 239 [2020-09-25 00:50:49,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:50:49,282 INFO L225 Difference]: With dead ends: 1292 [2020-09-25 00:50:49,282 INFO L226 Difference]: Without dead ends: 964 [2020-09-25 00:50:49,284 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 52 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=156, Invalid=444, Unknown=0, NotChecked=0, Total=600 [2020-09-25 00:50:49,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2020-09-25 00:50:49,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 747. [2020-09-25 00:50:49,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 747 states. [2020-09-25 00:50:49,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 842 transitions. [2020-09-25 00:50:49,390 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 842 transitions. Word has length 239 [2020-09-25 00:50:49,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:50:49,390 INFO L479 AbstractCegarLoop]: Abstraction has 747 states and 842 transitions. [2020-09-25 00:50:49,391 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 00:50:49,391 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 842 transitions. [2020-09-25 00:50:49,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2020-09-25 00:50:49,394 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:50:49,394 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:50:49,394 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 00:50:49,395 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:50:49,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:50:49,395 INFO L82 PathProgramCache]: Analyzing trace with hash 1352362414, now seen corresponding path program 1 times [2020-09-25 00:50:49,395 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:50:49,396 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1199358397] [2020-09-25 00:50:49,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:50:49,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:50:49,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:50:49,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking...