/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 --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 interpolation-heuristic=FIRST --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_spec4_product51.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:13:46,636 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:13:46,641 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:13:46,685 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:13:46,687 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:13:46,698 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:13:46,700 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:13:46,703 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:13:46,711 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:13:46,712 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:13:46,714 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:13:46,715 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:13:46,715 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:13:46,716 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:13:46,718 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:13:46,719 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:13:46,720 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:13:46,721 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:13:46,722 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:13:46,724 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:13:46,726 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:13:46,727 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:13:46,728 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:13:46,729 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:13:46,732 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:13:46,732 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:13:46,732 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:13:46,733 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:13:46,734 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:13:46,735 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:13:46,735 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:13:46,736 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:13:46,737 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:13:46,738 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:13:46,740 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:13:46,740 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:13:46,741 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:13:46,741 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:13:46,741 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:13:46,742 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:13:46,743 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:13:46,744 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 [2020-09-21 11:13:46,770 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:13:46,771 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:13:46,772 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:13:46,772 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:13:46,772 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:13:46,773 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:13:46,773 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:13:46,773 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:13:46,773 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:13:46,774 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:13:46,774 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:13:46,774 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:13:46,774 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:13:46,774 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:13:46,775 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:13:46,775 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:13:46,775 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:13:46,775 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:13:46,776 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:13:46,776 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:13:46,776 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:13:46,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:13:46,776 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:13:46,777 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:13:46,777 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:13:46,777 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:13:46,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:13:46,777 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:13:46,778 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:13:46,778 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.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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:13:47,249 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:13:47,266 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:13:47,271 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:13:47,273 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:13:47,273 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:13:47,274 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product51.cil.c [2020-09-21 11:13:47,353 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/abe950ea7/0b087d1e05fc475e91af1605f37c8389/FLAGcbeeb461a [2020-09-21 11:13:47,928 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:13:47,929 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product51.cil.c [2020-09-21 11:13:47,949 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/abe950ea7/0b087d1e05fc475e91af1605f37c8389/FLAGcbeeb461a [2020-09-21 11:13:48,206 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/abe950ea7/0b087d1e05fc475e91af1605f37c8389 [2020-09-21 11:13:48,222 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:13:48,229 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:13:48,232 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:13:48,232 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:13:48,237 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:13:48,239 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:13:48" (1/1) ... [2020-09-21 11:13:48,244 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@623015b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:13:48, skipping insertion in model container [2020-09-21 11:13:48,245 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:13:48" (1/1) ... [2020-09-21 11:13:48,255 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:13:48,332 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:13:48,704 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:13:48,721 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:13:48,944 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:13:48,986 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:13:48,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:13:48 WrapperNode [2020-09-21 11:13:48,987 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:13:48,988 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:13:48,989 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:13:48,989 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:13:49,005 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:13:48" (1/1) ... [2020-09-21 11:13:49,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:13:48" (1/1) ... [2020-09-21 11:13:49,027 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:13:48" (1/1) ... [2020-09-21 11:13:49,028 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:13:48" (1/1) ... [2020-09-21 11:13:49,063 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:13:48" (1/1) ... [2020-09-21 11:13:49,074 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:13:48" (1/1) ... [2020-09-21 11:13:49,080 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:13:48" (1/1) ... [2020-09-21 11:13:49,088 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:13:49,089 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:13:49,089 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:13:49,089 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:13:49,091 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:13:48" (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 [2020-09-21 11:13:49,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:13:49,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:13:49,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:13:49,166 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:13:49,166 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:13:49,167 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:13:49,167 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:13:49,167 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:13:49,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-21 11:13:49,168 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:13:49,168 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:13:49,169 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:13:49,169 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:13:49,169 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:13:49,169 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:13:49,170 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-21 11:13:49,170 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 11:13:49,170 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:13:49,171 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:13:49,171 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:13:49,172 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:13:49,172 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:13:49,173 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:13:49,173 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-21 11:13:49,174 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:13:49,176 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:13:49,176 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:13:49,176 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:13:49,176 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:13:49,176 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:13:49,177 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-21 11:13:49,177 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 11:13:49,177 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 11:13:49,178 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:13:49,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:13:49,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:13:49,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:13:49,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:13:49,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:13:49,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:13:49,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:13:49,179 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:13:49,179 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:13:49,179 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:13:49,179 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:13:49,179 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:13:49,180 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:13:49,180 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:13:49,180 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:13:49,180 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:13:49,180 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:13:49,180 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:13:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:13:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:13:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:13:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:13:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:13:49,182 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:13:49,182 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:13:49,182 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:13:49,182 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-21 11:13:49,183 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:13:49,183 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:13:49,183 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:13:49,183 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-21 11:13:49,183 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 11:13:49,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:13:49,183 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:13:49,184 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:13:49,184 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:13:49,184 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 11:13:49,185 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:13:49,186 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:13:49,186 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-21 11:13:49,186 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-21 11:13:49,187 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 11:13:49,187 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:13:49,187 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:13:49,187 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:13:49,187 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:13:49,188 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:13:49,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:13:49,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:13:49,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:13:49,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:13:49,189 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:13:49,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:13:49,189 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:13:49,190 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:13:49,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:13:49,190 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:13:49,190 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:13:49,190 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:13:49,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:13:49,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:13:49,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:13:50,310 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:13:50,310 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:13:50,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:13:50 BoogieIcfgContainer [2020-09-21 11:13:50,317 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:13:50,318 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:13:50,318 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:13:50,322 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:13:50,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:13:48" (1/3) ... [2020-09-21 11:13:50,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c02ba36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:13:50, skipping insertion in model container [2020-09-21 11:13:50,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:13:48" (2/3) ... [2020-09-21 11:13:50,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c02ba36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:13:50, skipping insertion in model container [2020-09-21 11:13:50,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:13:50" (3/3) ... [2020-09-21 11:13:50,326 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product51.cil.c [2020-09-21 11:13:50,338 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:13:50,349 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:13:50,372 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:13:50,405 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:13:50,405 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:13:50,405 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:13:50,405 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:13:50,406 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:13:50,406 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:13:50,406 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:13:50,406 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:13:50,446 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2020-09-21 11:13:50,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 11:13:50,464 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:13:50,467 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:13:50,468 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:13:50,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:13:50,475 INFO L82 PathProgramCache]: Analyzing trace with hash 1091923628, now seen corresponding path program 1 times [2020-09-21 11:13:50,484 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:13:50,485 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1748292411] [2020-09-21 11:13:50,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:13:50,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:50,839 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:50,839 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:50,839 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:50,840 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:50,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 11:13:50,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:50,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:13:50,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:50,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:50,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 11:13:50,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:50,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:51,257 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:13:51,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:13:51,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:51,272 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:51,273 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:51,273 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:51,273 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:51,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:13:51,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:51,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:51,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:51,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:51,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:51,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:51,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:13:51,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:13:51,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:51,335 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:51,336 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:51,336 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:51,336 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:51,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:13:51,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:51,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:51,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:51,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:51,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:51,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:51,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:13:51,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:13:51,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:51,342 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:51,343 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:51,343 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:51,343 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:51,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:13:51,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:51,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:51,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:51,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:51,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:51,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:51,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:13:51,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:13:51,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:51,350 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:51,350 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:51,350 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:51,351 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:51,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:13:51,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:51,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:51,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:51,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:51,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:51,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:51,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:13:51,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:13:51,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:51,358 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:51,358 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:51,359 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:51,359 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:51,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:13:51,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:51,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:51,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:51,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:51,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:51,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:51,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:51,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:13:51,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:51,368 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:51,368 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:51,369 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:51,369 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:51,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:13:51,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:51,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:51,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:51,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:51,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:13:51,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:51,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:13:51,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:13:51,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:51,376 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:51,376 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:51,377 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:51,377 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:51,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:13:51,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:51,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:51,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:51,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:51,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:13:51,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:51,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:13:51,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:13:51,395 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1748292411] [2020-09-21 11:13:51,397 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:13:51,397 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 11:13:51,399 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642489261] [2020-09-21 11:13:51,406 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 11:13:51,406 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:13:51,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 11:13:51,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:13:51,428 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 3 states. [2020-09-21 11:13:52,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:13:52,677 INFO L93 Difference]: Finished difference Result 311 states and 407 transitions. [2020-09-21 11:13:52,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 11:13:52,680 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 11:13:52,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:13:52,699 INFO L225 Difference]: With dead ends: 311 [2020-09-21 11:13:52,700 INFO L226 Difference]: Without dead ends: 168 [2020-09-21 11:13:52,706 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:13:52,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2020-09-21 11:13:52,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 134. [2020-09-21 11:13:52,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-09-21 11:13:52,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 158 transitions. [2020-09-21 11:13:52,814 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 158 transitions. Word has length 46 [2020-09-21 11:13:52,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:13:52,815 INFO L479 AbstractCegarLoop]: Abstraction has 134 states and 158 transitions. [2020-09-21 11:13:52,815 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 11:13:52,815 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 158 transitions. [2020-09-21 11:13:52,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 11:13:52,818 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:13:52,819 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:13:52,819 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:13:52,820 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:13:52,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:13:52,820 INFO L82 PathProgramCache]: Analyzing trace with hash 644500822, now seen corresponding path program 1 times [2020-09-21 11:13:52,820 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:13:52,821 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1570713078] [2020-09-21 11:13:52,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:13:52,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:52,890 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:52,890 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:52,890 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:52,891 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:52,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 11:13:52,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:52,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:13:52,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:52,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:13:52,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 11:13:52,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:13:52,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:13:53,246 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:13:53,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:13:53,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:53,255 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:53,255 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:53,255 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:53,256 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:53,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:13:53,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:53,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:53,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:53,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:53,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:53,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:53,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:53,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:13:53,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:53,292 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:53,292 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:53,292 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:53,292 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:53,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:13:53,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:53,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:53,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:53,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:53,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:53,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:53,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:53,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:13:53,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:53,297 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:53,297 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:53,297 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:53,298 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:53,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:13:53,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:53,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:53,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:53,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:53,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:53,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:53,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:53,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:13:53,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:53,302 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:53,302 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:53,302 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:53,303 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:53,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:13:53,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:53,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:53,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:53,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:53,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:53,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:53,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:53,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:13:53,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:53,308 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:53,308 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:53,308 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:53,309 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:53,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:13:53,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:53,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:53,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:53,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:53,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:53,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:53,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:53,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:13:53,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:53,313 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:53,313 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:53,314 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:53,314 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:53,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:13:53,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:53,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:53,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:53,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:53,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:13:53,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:53,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:53,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:13:53,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:53,319 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:53,319 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:53,319 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:53,319 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:53,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:13:53,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:53,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:53,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:53,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:53,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:13:53,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:53,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:53,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:13:53,328 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1570713078] [2020-09-21 11:13:53,329 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:13:53,329 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:13:53,329 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036488377] [2020-09-21 11:13:53,331 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:13:53,331 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:13:53,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:13:53,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:13:53,332 INFO L87 Difference]: Start difference. First operand 134 states and 158 transitions. Second operand 4 states. [2020-09-21 11:13:53,780 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:13:54,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:13:54,727 INFO L93 Difference]: Finished difference Result 238 states and 290 transitions. [2020-09-21 11:13:54,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:13:54,728 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 11:13:54,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:13:54,731 INFO L225 Difference]: With dead ends: 238 [2020-09-21 11:13:54,731 INFO L226 Difference]: Without dead ends: 152 [2020-09-21 11:13:54,734 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:13:54,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2020-09-21 11:13:54,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 125. [2020-09-21 11:13:54,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-09-21 11:13:54,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 146 transitions. [2020-09-21 11:13:54,771 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 146 transitions. Word has length 47 [2020-09-21 11:13:54,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:13:54,772 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 146 transitions. [2020-09-21 11:13:54,772 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:13:54,772 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 146 transitions. [2020-09-21 11:13:54,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 11:13:54,774 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:13:54,774 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:13:54,775 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:13:54,775 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:13:54,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:13:54,775 INFO L82 PathProgramCache]: Analyzing trace with hash -350015351, now seen corresponding path program 1 times [2020-09-21 11:13:54,775 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:13:54,776 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [498074681] [2020-09-21 11:13:54,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:13:54,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:55,145 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:13:55,145 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:55,145 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:55,145 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:55,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-09-21 11:13:55,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:55,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 319 [2020-09-21 11:13:55,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:55,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:13:55,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:13:55,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-21 11:13:55,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:55,533 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:13:55,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:13:55,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:55,680 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:55,680 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:55,680 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:55,680 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:55,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:13:55,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:55,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-09-21 11:13:55,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:55,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:13:55,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:55,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:13:55,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:55,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:13:55,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:55,741 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:55,742 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:55,742 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:55,742 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:55,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:13:55,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:55,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:55,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:55,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:13:55,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:55,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:13:55,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:55,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:13:55,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:55,747 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:55,747 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:55,747 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:55,747 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:55,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:13:55,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:55,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:55,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:55,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:13:55,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:55,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:13:55,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:55,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:13:55,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:55,752 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:55,753 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:55,753 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:55,753 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:55,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:13:55,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:55,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:55,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:55,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:13:55,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:55,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:13:55,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:55,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:13:55,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:55,759 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:55,759 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:55,759 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:55,760 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:55,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:13:55,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:55,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:55,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:55,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:13:55,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:55,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:13:55,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:55,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:13:55,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:55,764 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:55,764 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:55,764 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:55,765 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:55,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:13:55,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:55,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:55,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:55,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:55,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:13:55,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:55,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:55,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:13:55,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:55,769 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:55,769 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:55,770 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:55,770 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:55,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:13:55,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:55,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:55,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:55,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:55,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:13:55,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:55,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:55,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:13:55,779 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [498074681] [2020-09-21 11:13:55,779 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:13:55,779 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:13:55,780 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495280858] [2020-09-21 11:13:55,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:13:55,780 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:13:55,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:13:55,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:13:55,781 INFO L87 Difference]: Start difference. First operand 125 states and 146 transitions. Second operand 4 states. [2020-09-21 11:13:56,137 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:13:57,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:13:57,827 INFO L93 Difference]: Finished difference Result 366 states and 452 transitions. [2020-09-21 11:13:57,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:13:57,828 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 11:13:57,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:13:57,833 INFO L225 Difference]: With dead ends: 366 [2020-09-21 11:13:57,833 INFO L226 Difference]: Without dead ends: 265 [2020-09-21 11:13:57,834 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:13:57,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2020-09-21 11:13:57,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 220. [2020-09-21 11:13:57,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-09-21 11:13:57,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 263 transitions. [2020-09-21 11:13:57,913 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 263 transitions. Word has length 51 [2020-09-21 11:13:57,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:13:57,913 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 263 transitions. [2020-09-21 11:13:57,913 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:13:57,914 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 263 transitions. [2020-09-21 11:13:57,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-09-21 11:13:57,916 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:13:57,917 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:13:57,917 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:13:57,917 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:13:57,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:13:57,917 INFO L82 PathProgramCache]: Analyzing trace with hash -103520613, now seen corresponding path program 1 times [2020-09-21 11:13:57,918 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:13:57,918 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [557161932] [2020-09-21 11:13:57,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:13:57,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:58,329 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:13:58,329 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:58,329 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:58,330 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:58,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-21 11:13:58,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:58,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 367 [2020-09-21 11:13:58,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:58,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:13:58,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:13:58,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-09-21 11:13:58,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:58,767 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:13:58,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:13:58,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:58,871 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:58,872 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:58,872 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:58,872 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:58,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:13:58,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:58,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-09-21 11:13:58,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:58,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:13:58,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:58,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:13:58,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:58,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:13:58,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:58,931 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:58,932 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:58,932 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:58,932 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:58,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:13:58,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:58,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:13:58,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:58,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:13:58,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:58,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:13:58,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:58,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:13:58,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:58,940 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:58,940 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:58,940 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:58,940 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:58,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:13:58,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:58,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:58,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:58,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:13:58,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:58,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:13:58,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:58,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:13:58,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:58,947 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:58,947 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:58,947 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:58,947 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:58,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:13:58,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:58,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:58,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:58,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:13:58,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:58,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:13:58,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:58,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:13:58,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:58,954 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:58,954 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:58,954 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:58,955 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:58,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:13:58,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:58,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:58,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:58,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:13:58,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:58,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:13:58,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:58,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:13:58,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:58,982 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:58,982 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:58,982 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:58,983 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:58,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:13:58,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:58,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:58,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:58,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:13:58,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:58,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:13:58,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:13:58,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:13:58,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:58,997 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:58,997 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:58,998 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:58,998 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:58,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:13:58,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:58,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:13:58,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:58,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:13:58,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:58,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:13:59,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:59,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-21 11:13:59,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:59,018 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:59,018 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:59,018 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:59,018 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:59,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:13:59,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:59,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:59,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:59,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:59,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:13:59,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:59,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:59,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:13:59,031 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [557161932] [2020-09-21 11:13:59,032 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:13:59,032 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:13:59,032 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688013173] [2020-09-21 11:13:59,033 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:13:59,033 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:13:59,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:13:59,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:13:59,034 INFO L87 Difference]: Start difference. First operand 220 states and 263 transitions. Second operand 8 states. [2020-09-21 11:13:59,419 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:14:00,742 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:14:01,172 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:14:01,568 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:14:01,871 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:14:02,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:14:02,951 INFO L93 Difference]: Finished difference Result 676 states and 884 transitions. [2020-09-21 11:14:02,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:14:02,952 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-09-21 11:14:02,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:14:02,958 INFO L225 Difference]: With dead ends: 676 [2020-09-21 11:14:02,958 INFO L226 Difference]: Without dead ends: 480 [2020-09-21 11:14:02,961 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:14:02,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2020-09-21 11:14:03,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 419. [2020-09-21 11:14:03,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2020-09-21 11:14:03,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 511 transitions. [2020-09-21 11:14:03,087 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 511 transitions. Word has length 57 [2020-09-21 11:14:03,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:14:03,088 INFO L479 AbstractCegarLoop]: Abstraction has 419 states and 511 transitions. [2020-09-21 11:14:03,088 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:14:03,088 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 511 transitions. [2020-09-21 11:14:03,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-09-21 11:14:03,092 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:14:03,092 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:14:03,092 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:14:03,093 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:14:03,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:14:03,093 INFO L82 PathProgramCache]: Analyzing trace with hash -1065334495, now seen corresponding path program 1 times [2020-09-21 11:14:03,093 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:14:03,094 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2121581989] [2020-09-21 11:14:03,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:14:03,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:03,555 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:03,555 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:03,555 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:03,556 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:03,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-09-21 11:14:03,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:03,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 415 [2020-09-21 11:14:03,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:03,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 11:14:03,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:03,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-21 11:14:03,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:03,847 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:14:03,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:03,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:03,919 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:03,919 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:03,920 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:03,920 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:03,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:03,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:03,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-21 11:14:03,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:03,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:03,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:03,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:14:03,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:03,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:03,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:03,958 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:03,958 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:03,958 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:03,958 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:03,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:03,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:03,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:03,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:03,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:03,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:03,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:03,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:03,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:14:03,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:03,964 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:03,964 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:03,964 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:03,964 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:03,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:03,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:03,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:03,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:03,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:03,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:03,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:03,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:03,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:14:03,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:03,970 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:03,970 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:03,970 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:03,970 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:03,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:03,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:03,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:03,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:03,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:03,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:03,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:03,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:03,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:14:03,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:03,976 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:03,976 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:03,976 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:03,976 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:03,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:03,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:03,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:03,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:03,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:03,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:03,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:03,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:03,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:14:03,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:03,991 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:03,992 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:03,992 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:03,992 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:03,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:14:03,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:03,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:03,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:03,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:03,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:03,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:14:03,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:04,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:14:04,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:04,007 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:04,007 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:04,008 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:04,008 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:04,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:04,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:04,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:04,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:04,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:04,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:04,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:04,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:04,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:14:04,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:04,013 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:04,013 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:04,013 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:04,013 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:04,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:04,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:04,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:04,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:04,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:04,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:04,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:04,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:04,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-21 11:14:04,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:04,018 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:04,018 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:04,018 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:04,019 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:04,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:04,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:04,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:04,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:04,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:04,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:04,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:04,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:04,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:14:04,030 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2121581989] [2020-09-21 11:14:04,030 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:14:04,030 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 11:14:04,030 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737737835] [2020-09-21 11:14:04,031 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 11:14:04,031 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:14:04,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 11:14:04,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:14:04,032 INFO L87 Difference]: Start difference. First operand 419 states and 511 transitions. Second operand 6 states. [2020-09-21 11:14:04,406 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:14:06,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:14:06,306 INFO L93 Difference]: Finished difference Result 1036 states and 1355 transitions. [2020-09-21 11:14:06,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:14:06,306 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2020-09-21 11:14:06,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:14:06,313 INFO L225 Difference]: With dead ends: 1036 [2020-09-21 11:14:06,313 INFO L226 Difference]: Without dead ends: 641 [2020-09-21 11:14:06,316 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:14:06,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2020-09-21 11:14:06,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 575. [2020-09-21 11:14:06,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 575 states. [2020-09-21 11:14:06,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 704 transitions. [2020-09-21 11:14:06,436 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 704 transitions. Word has length 61 [2020-09-21 11:14:06,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:14:06,437 INFO L479 AbstractCegarLoop]: Abstraction has 575 states and 704 transitions. [2020-09-21 11:14:06,437 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 11:14:06,437 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 704 transitions. [2020-09-21 11:14:06,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-09-21 11:14:06,438 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:14:06,438 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:14:06,439 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:14:06,439 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:14:06,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:14:06,439 INFO L82 PathProgramCache]: Analyzing trace with hash 1117313761, now seen corresponding path program 1 times [2020-09-21 11:14:06,440 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:14:06,440 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1004527208] [2020-09-21 11:14:06,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:14:06,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:06,824 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:06,825 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:06,825 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:06,825 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:06,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-09-21 11:14:06,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:06,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 342 [2020-09-21 11:14:06,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:06,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 11:14:06,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:06,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-21 11:14:06,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:07,251 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:14:07,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:07,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:07,320 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:07,321 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:07,321 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:07,322 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:07,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:07,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:07,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-21 11:14:07,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:07,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:07,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:07,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:14:07,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:07,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:07,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:07,403 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:07,404 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:07,404 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:07,404 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:07,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:07,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:07,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:07,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:07,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:07,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:07,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:07,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:07,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:14:07,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:07,409 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:07,409 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:07,409 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:07,410 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:07,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:07,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:07,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:07,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:07,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:07,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:07,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:07,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:07,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:14:07,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:07,414 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:07,415 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:07,415 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:07,415 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:07,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:07,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:07,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:07,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:07,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:07,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:07,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:07,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:07,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:14:07,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:07,420 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:07,421 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:07,421 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:07,421 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:07,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:07,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:07,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:07,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:07,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:07,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:07,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:07,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:07,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:14:07,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:07,445 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:07,446 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:07,446 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:07,446 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:07,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:07,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:07,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:14:07,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:07,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:14:07,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:14:07,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:14:07,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:07,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:14:07,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:07,500 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:07,500 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:07,500 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:07,500 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:07,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:14:07,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:07,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:07,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:07,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:07,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:07,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:14:07,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:07,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:14:07,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:07,507 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:07,508 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:07,508 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:07,508 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:07,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:07,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:07,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:07,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:07,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:14:07,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:07,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:07,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:07,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-21 11:14:07,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:07,525 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:07,526 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:07,526 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:07,526 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:07,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:07,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:07,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:07,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:07,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:07,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:07,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:07,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:07,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:14:07,539 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1004527208] [2020-09-21 11:14:07,539 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:14:07,539 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-21 11:14:07,540 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398017023] [2020-09-21 11:14:07,540 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 11:14:07,540 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:14:07,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 11:14:07,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:14:07,541 INFO L87 Difference]: Start difference. First operand 575 states and 704 transitions. Second operand 11 states. [2020-09-21 11:14:08,078 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:14:08,784 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:14:09,495 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:14:09,884 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:14:10,275 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:14:10,628 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:14:12,092 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:14:12,691 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 187 [2020-09-21 11:14:14,529 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-21 11:14:15,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:14:15,548 INFO L93 Difference]: Finished difference Result 1728 states and 2232 transitions. [2020-09-21 11:14:15,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-21 11:14:15,551 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 61 [2020-09-21 11:14:15,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:14:15,565 INFO L225 Difference]: With dead ends: 1728 [2020-09-21 11:14:15,565 INFO L226 Difference]: Without dead ends: 1380 [2020-09-21 11:14:15,568 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=193, Invalid=677, Unknown=0, NotChecked=0, Total=870 [2020-09-21 11:14:15,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1380 states. [2020-09-21 11:14:15,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1380 to 1273. [2020-09-21 11:14:15,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1273 states. [2020-09-21 11:14:15,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1273 states to 1273 states and 1539 transitions. [2020-09-21 11:14:15,814 INFO L78 Accepts]: Start accepts. Automaton has 1273 states and 1539 transitions. Word has length 61 [2020-09-21 11:14:15,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:14:15,816 INFO L479 AbstractCegarLoop]: Abstraction has 1273 states and 1539 transitions. [2020-09-21 11:14:15,816 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 11:14:15,816 INFO L276 IsEmpty]: Start isEmpty. Operand 1273 states and 1539 transitions. [2020-09-21 11:14:15,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-09-21 11:14:15,821 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:14:15,822 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:14:15,822 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:14:15,822 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:14:15,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:14:15,823 INFO L82 PathProgramCache]: Analyzing trace with hash -1221380108, now seen corresponding path program 1 times [2020-09-21 11:14:15,823 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:14:15,823 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1093618318] [2020-09-21 11:14:15,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:14:15,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:15,873 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:15,874 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:15,874 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:15,874 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:15,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-09-21 11:14:15,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:15,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:15,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:15,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:15,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-09-21 11:14:15,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:14:15,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:16,126 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:14:16,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:16,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:16,134 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:16,134 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:16,134 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:16,134 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:16,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:16,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:16,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:16,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:16,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:16,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:16,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:16,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:16,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:16,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:16,160 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:16,160 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:16,160 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:16,161 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:16,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:16,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:16,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:16,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:16,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:16,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:16,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:16,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:16,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:14:16,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:16,164 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:16,165 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:16,165 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:16,165 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:16,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:16,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:16,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:16,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:16,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:16,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:16,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:16,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:16,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:14:16,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:16,169 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:16,170 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:16,170 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:16,170 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:16,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:16,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:16,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:16,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:16,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:16,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:16,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:16,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:16,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:14:16,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:16,174 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:16,175 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:16,175 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:16,175 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:16,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:16,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:16,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:16,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:16,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:16,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:16,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:16,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:16,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:14:16,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:16,189 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:16,189 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:16,189 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:16,190 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:16,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:14:16,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:16,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:16,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:16,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:16,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:16,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:14:16,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:16,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:14:16,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:16,214 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:16,214 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:16,214 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:16,215 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:16,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:14:16,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:16,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:14:16,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:16,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:14:16,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:14:16,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:14:16,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:16,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:16,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:16,246 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:16,246 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:16,247 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:16,247 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:16,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:14:16,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:16,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:14:16,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:16,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:14:16,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 11:14:16,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:14:16,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:16,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:16,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:16,264 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:16,264 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:16,264 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:16,264 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:16,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:14:16,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:16,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:14:16,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:16,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:14:16,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-21 11:14:16,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:14:16,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:16,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:16,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:16,325 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:16,326 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:16,326 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:16,326 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:16,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:14:16,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:16,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:14:16,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:16,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:14:16,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:16,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:14:16,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:16,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:16,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:16,373 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:16,373 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:16,374 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:16,374 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:16,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:14:16,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:16,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:16,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:16,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:16,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:16,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:16,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:16,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:14:16,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:16,383 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:16,383 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:16,384 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:16,384 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:16,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:16,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:16,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:16,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:16,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:16,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:16,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:16,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:16,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-21 11:14:16,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:16,392 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:16,392 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:16,392 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:16,393 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:16,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:14:16,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:16,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:16,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:16,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:16,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-21 11:14:16,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:16,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:16,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:16,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:16,399 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:16,399 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:16,399 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:16,399 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:16,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:16,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:16,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:16,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:16,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:16,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:16,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:16,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:16,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-21 11:14:16,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:16,421 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:16,421 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:16,421 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:16,421 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:16,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:16,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:16,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:16,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:16,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:16,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:16,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:16,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:16,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-09-21 11:14:16,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:16,426 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:16,426 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:16,427 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:16,427 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:16,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:16,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:16,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:16,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:16,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:16,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:16,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:16,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:16,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-21 11:14:16,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:16,432 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:16,432 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:16,432 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:16,432 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:16,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:16,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:16,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:16,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:16,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:16,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:16,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:16,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:16,455 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-21 11:14:16,455 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1093618318] [2020-09-21 11:14:16,456 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:14:16,456 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-21 11:14:16,456 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299788298] [2020-09-21 11:14:16,457 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 11:14:16,457 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:14:16,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 11:14:16,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:14:16,462 INFO L87 Difference]: Start difference. First operand 1273 states and 1539 transitions. Second operand 12 states. [2020-09-21 11:14:17,509 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:14:17,933 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:14:18,246 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:18,571 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:14:18,894 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:14:20,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:14:20,566 INFO L93 Difference]: Finished difference Result 2197 states and 2728 transitions. [2020-09-21 11:14:20,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-21 11:14:20,567 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 112 [2020-09-21 11:14:20,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:14:20,573 INFO L225 Difference]: With dead ends: 2197 [2020-09-21 11:14:20,573 INFO L226 Difference]: Without dead ends: 816 [2020-09-21 11:14:20,577 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=121, Invalid=385, Unknown=0, NotChecked=0, Total=506 [2020-09-21 11:14:20,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 816 states. [2020-09-21 11:14:20,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 816 to 757. [2020-09-21 11:14:20,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 757 states. [2020-09-21 11:14:20,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 757 states and 895 transitions. [2020-09-21 11:14:20,710 INFO L78 Accepts]: Start accepts. Automaton has 757 states and 895 transitions. Word has length 112 [2020-09-21 11:14:20,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:14:20,710 INFO L479 AbstractCegarLoop]: Abstraction has 757 states and 895 transitions. [2020-09-21 11:14:20,710 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 11:14:20,710 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 895 transitions. [2020-09-21 11:14:20,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-09-21 11:14:20,714 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:14:20,714 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:14:20,715 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:14:20,715 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:14:20,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:14:20,715 INFO L82 PathProgramCache]: Analyzing trace with hash 845503710, now seen corresponding path program 1 times [2020-09-21 11:14:20,715 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:14:20,716 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1423265421] [2020-09-21 11:14:20,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:14:20,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:20,781 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:14:20,782 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -48 [2020-09-21 11:14:20,782 FATAL L256 erpolLogProxyWrapper]: Difference in width: 48 [2020-09-21 11:14:20,782 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:20,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-09-21 11:14:20,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:20,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:14:20,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:20,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:14:20,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-09-21 11:14:20,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:20,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:21,054 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:14:21,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:21,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:21,064 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:21,065 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:21,065 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:21,065 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:21,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:21,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:21,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:21,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:21,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:21,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:21,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:21,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:21,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:21,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:21,093 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:21,093 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:21,093 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:21,093 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:21,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:21,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:21,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:21,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:21,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:21,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:21,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:21,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:21,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:14:21,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:21,097 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:21,097 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:21,097 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:21,097 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:21,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:21,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:21,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:21,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:21,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:21,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:21,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:21,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:21,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:14:21,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:21,101 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:21,101 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:21,101 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:21,102 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:21,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:21,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:21,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:21,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:21,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:21,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:21,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:21,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:21,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:14:21,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:21,106 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:21,106 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:21,106 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:21,107 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:21,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:21,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:21,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:21,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:21,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:21,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:21,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:21,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:21,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:14:21,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:21,139 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:21,139 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:21,139 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:21,139 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:21,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:14:21,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:21,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:14:21,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:21,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:14:21,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-21 11:14:21,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:21,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:21,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:21,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:21,162 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:21,162 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:21,162 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:21,162 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:21,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:14:21,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:21,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:14:21,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:21,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:14:21,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 11:14:21,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:21,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:21,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:21,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:21,176 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:21,177 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:21,177 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:21,177 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:21,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:14:21,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:21,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:14:21,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:21,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:14:21,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:14:21,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:21,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:21,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:21,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:21,188 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:21,189 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:21,189 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:21,189 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:21,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:14:21,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:21,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:14:21,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:21,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:14:21,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:14:21,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:21,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:21,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:21,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:21,213 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:21,213 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:21,214 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:21,214 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:21,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:14:21,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:21,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:14:21,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:21,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:14:21,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:21,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:21,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:21,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:14:21,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:21,229 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:21,229 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:21,229 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:21,229 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:21,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:21,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:21,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:21,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:21,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:21,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:21,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:21,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:21,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-21 11:14:21,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:21,236 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:21,236 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:21,236 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:21,236 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:21,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:14:21,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:21,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:21,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:21,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:21,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-21 11:14:21,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:21,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:21,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:21,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:21,241 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:21,241 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:21,241 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:21,242 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:21,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:21,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:21,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:21,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:21,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:21,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:21,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:21,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:21,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-09-21 11:14:21,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:21,259 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:21,259 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:21,259 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:21,259 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:21,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:21,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:21,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:21,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:21,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:21,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:21,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:21,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:21,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-21 11:14:21,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:21,269 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:21,269 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:21,269 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:21,269 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:21,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:14:21,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:21,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:21,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:21,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:21,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-21 11:14:21,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:21,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:21,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:21,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:21,276 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:21,276 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:21,277 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:21,277 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:21,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:14:21,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:21,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:21,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:21,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:21,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:21,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:21,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:21,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:21,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:21,282 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:21,282 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:21,282 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:21,283 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:21,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:21,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:21,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:21,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:21,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:21,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:21,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:21,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:21,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-21 11:14:21,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:21,287 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:21,288 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:21,288 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:21,288 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:21,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:21,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:21,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:21,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:21,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:21,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:21,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:21,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:21,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-09-21 11:14:21,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:21,292 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:21,293 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:21,293 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:21,293 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:21,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:21,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:21,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:21,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:21,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:21,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:21,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:21,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:21,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-21 11:14:21,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:21,298 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:21,298 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:21,298 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:21,299 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:21,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:21,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:21,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:21,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:21,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:21,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:21,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:21,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:21,331 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-21 11:14:21,332 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1423265421] [2020-09-21 11:14:21,332 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:14:21,332 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-21 11:14:21,333 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818357675] [2020-09-21 11:14:21,333 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:14:21,333 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:14:21,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:14:21,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:14:21,334 INFO L87 Difference]: Start difference. First operand 757 states and 895 transitions. Second operand 9 states. [2020-09-21 11:14:22,310 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:14:22,598 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:14:22,898 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:14:23,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:14:23,879 INFO L93 Difference]: Finished difference Result 1464 states and 1789 transitions. [2020-09-21 11:14:23,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:14:23,880 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 128 [2020-09-21 11:14:23,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:14:23,885 INFO L225 Difference]: With dead ends: 1464 [2020-09-21 11:14:23,885 INFO L226 Difference]: Without dead ends: 731 [2020-09-21 11:14:23,888 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:14:23,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2020-09-21 11:14:24,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 691. [2020-09-21 11:14:24,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 691 states. [2020-09-21 11:14:24,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 691 states and 807 transitions. [2020-09-21 11:14:24,014 INFO L78 Accepts]: Start accepts. Automaton has 691 states and 807 transitions. Word has length 128 [2020-09-21 11:14:24,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:14:24,014 INFO L479 AbstractCegarLoop]: Abstraction has 691 states and 807 transitions. [2020-09-21 11:14:24,014 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:14:24,015 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 807 transitions. [2020-09-21 11:14:24,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-09-21 11:14:24,017 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:14:24,017 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:14:24,018 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:14:24,018 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:14:24,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:14:24,019 INFO L82 PathProgramCache]: Analyzing trace with hash -2030061671, now seen corresponding path program 1 times [2020-09-21 11:14:24,019 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:14:24,019 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [609412576] [2020-09-21 11:14:24,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:14:24,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:24,117 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:24,117 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:24,117 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:24,117 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:24,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-09-21 11:14:24,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:24,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:14:24,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:24,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:14:24,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 151 [2020-09-21 11:14:24,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:14:24,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:24,411 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:14:24,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:24,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:24,419 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:24,419 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:24,420 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:24,420 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:24,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:24,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:24,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:24,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:24,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:24,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:24,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:24,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:24,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:24,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:24,451 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:24,451 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:24,451 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:24,451 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:24,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:24,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:24,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:24,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:24,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:24,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:24,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:24,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:24,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:14:24,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:24,456 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:24,456 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:24,456 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:24,457 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:24,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:24,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:24,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:24,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:24,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:24,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:24,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:24,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:24,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:14:24,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:24,461 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:24,461 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:24,461 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:24,461 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:24,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:24,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:24,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:24,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:24,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:24,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:24,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:24,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:24,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:14:24,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:24,466 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:24,466 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:24,466 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:24,467 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:24,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:24,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:24,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:24,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:24,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:24,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:24,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:24,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:24,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:14:24,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:24,476 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:24,476 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:24,477 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:24,477 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:24,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:24,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:24,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:24,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:24,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:24,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:24,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:24,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:24,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:14:24,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:24,492 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:24,492 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:24,492 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:24,492 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:24,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:14:24,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:24,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:24,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:24,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:24,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:24,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:24,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:24,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:24,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:24,508 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:24,508 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:24,508 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:24,508 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:24,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:14:24,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:24,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:24,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:24,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:24,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:24,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:24,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:24,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:24,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:24,515 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:24,515 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:24,516 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:24,516 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:24,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:14:24,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:24,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:24,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:24,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:24,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:24,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:24,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:24,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:24,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:24,523 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:24,523 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:24,523 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:24,523 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:24,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:14:24,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:24,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:24,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:24,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:24,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:24,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:24,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:24,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:24,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:24,528 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:24,529 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:24,529 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:24,529 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:24,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:14:24,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:24,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:24,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:24,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:24,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:24,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:24,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:24,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:14:24,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:24,533 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:24,534 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:24,534 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:24,534 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:24,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:24,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:24,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:24,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:24,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:24,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:24,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:24,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:24,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-21 11:14:24,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:24,539 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:24,539 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:24,539 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:24,540 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:24,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:14:24,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:24,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:24,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:24,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:24,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:24,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:24,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:24,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:24,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:24,544 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:24,544 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:24,545 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:24,545 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:24,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:24,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:24,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:24,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:24,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:24,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:24,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:24,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:24,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-21 11:14:24,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:24,550 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:24,550 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:24,550 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:24,550 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:24,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:24,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:24,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:24,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:24,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:24,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:24,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:24,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:24,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-09-21 11:14:24,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:24,562 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:24,562 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:24,562 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:24,562 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:24,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:14:24,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:24,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:14:24,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:24,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:14:24,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-21 11:14:24,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:14:24,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:24,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:24,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:24,609 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:24,609 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:24,609 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:24,610 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:24,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:14:24,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:24,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:14:24,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:24,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:14:24,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:24,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:14:24,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:24,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:24,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:24,643 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:24,643 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:24,643 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:24,644 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:24,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:24,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:24,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:24,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:24,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:24,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:24,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:24,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:24,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-21 11:14:24,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:24,649 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:24,649 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:24,649 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:24,649 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:24,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:24,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:24,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:24,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:24,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:24,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:24,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:24,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:24,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-21 11:14:24,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:24,654 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:24,654 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:24,654 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:24,655 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:24,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:24,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:24,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:24,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:24,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:24,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:24,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:24,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:24,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-21 11:14:24,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:24,659 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:24,659 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:24,659 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:24,660 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:24,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:24,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:24,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:24,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:24,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:24,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:24,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:24,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:24,681 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-09-21 11:14:24,681 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [609412576] [2020-09-21 11:14:24,681 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:14:24,681 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-21 11:14:24,682 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180183972] [2020-09-21 11:14:24,682 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:14:24,683 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:14:24,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:14:24,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:14:24,683 INFO L87 Difference]: Start difference. First operand 691 states and 807 transitions. Second operand 10 states. [2020-09-21 11:14:26,292 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:14:26,599 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:26,904 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:14:27,211 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:14:27,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:14:27,828 INFO L93 Difference]: Finished difference Result 1366 states and 1625 transitions. [2020-09-21 11:14:27,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:14:27,829 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 132 [2020-09-21 11:14:27,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:14:27,835 INFO L225 Difference]: With dead ends: 1366 [2020-09-21 11:14:27,835 INFO L226 Difference]: Without dead ends: 754 [2020-09-21 11:14:27,837 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:14:27,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2020-09-21 11:14:27,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 710. [2020-09-21 11:14:27,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 710 states. [2020-09-21 11:14:27,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 710 states and 828 transitions. [2020-09-21 11:14:27,970 INFO L78 Accepts]: Start accepts. Automaton has 710 states and 828 transitions. Word has length 132 [2020-09-21 11:14:27,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:14:27,973 INFO L479 AbstractCegarLoop]: Abstraction has 710 states and 828 transitions. [2020-09-21 11:14:27,973 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:14:27,973 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 828 transitions. [2020-09-21 11:14:27,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-09-21 11:14:27,977 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:14:27,977 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:14:27,978 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:14:27,978 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:14:27,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:14:27,978 INFO L82 PathProgramCache]: Analyzing trace with hash 1755432535, now seen corresponding path program 1 times [2020-09-21 11:14:27,979 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:14:27,979 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2059039995] [2020-09-21 11:14:27,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:14:28,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:28,046 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:28,046 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:28,046 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:28,047 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:28,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-09-21 11:14:28,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:28,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:14:28,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:28,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:14:28,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 160 [2020-09-21 11:14:28,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:14:28,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:28,365 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:14:28,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:28,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:28,373 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:28,374 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:28,374 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:28,374 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:28,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:28,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:28,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:28,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:28,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:28,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:28,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:28,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:28,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:28,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:28,405 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:28,405 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:28,406 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:28,406 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:28,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:28,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:28,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:28,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:28,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:28,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:28,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:28,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:28,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:14:28,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:28,413 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:28,413 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:28,413 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:28,413 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:28,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:28,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:28,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:28,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:28,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:28,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:28,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:28,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:28,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:14:28,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:28,417 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:28,417 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:28,417 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:28,418 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:28,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:28,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:28,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:28,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:28,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:28,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:28,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:28,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:28,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:14:28,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:28,421 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:28,421 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:28,422 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:28,422 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:28,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:28,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:28,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:28,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:28,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:28,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:28,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:28,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:28,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:14:28,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:28,437 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:28,437 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:28,438 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:28,438 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:28,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:28,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:28,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:28,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:28,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:28,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:28,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:28,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:28,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:14:28,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:28,465 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:28,466 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:28,466 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:28,466 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:28,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:14:28,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:28,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:28,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:28,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:28,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:28,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:28,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:28,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:28,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:28,498 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:28,499 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:28,499 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:28,499 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:28,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:14:28,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:28,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:28,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:28,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:28,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:28,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:28,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:28,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:28,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:28,525 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:28,526 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:28,526 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:28,527 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:28,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:14:28,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:28,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:14:28,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:28,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:28,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:28,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:28,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:28,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:28,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:28,541 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:28,541 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:28,541 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:28,542 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:28,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:14:28,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:28,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:28,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:28,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:28,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:28,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:28,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:28,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:28,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:28,551 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:28,551 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:28,552 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:28,552 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:28,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:14:28,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:28,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:28,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:28,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:28,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:28,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:28,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:28,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:14:28,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:28,562 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:28,563 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:28,563 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:28,564 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:28,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:28,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:28,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:14:28,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:28,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:28,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:28,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:28,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:28,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-21 11:14:28,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:28,581 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:28,582 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:28,582 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:28,583 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:28,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:14:28,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:28,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:14:28,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:28,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:28,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:28,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:28,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:14:28,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:28,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:28,593 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:28,593 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:28,594 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:28,594 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:28,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:28,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:28,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:28,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:28,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:28,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:28,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:28,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:28,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-21 11:14:28,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:28,607 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:28,607 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:28,607 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:28,608 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:28,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:28,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:28,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:28,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:28,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:28,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:28,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:28,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:28,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-09-21 11:14:28,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:28,624 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:28,625 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:28,625 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:28,626 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:28,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:14:28,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:28,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:28,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:28,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:28,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:28,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 11:14:28,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:28,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:28,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:28,643 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:28,644 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:28,644 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:28,645 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:28,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:14:28,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:28,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:28,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:28,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:28,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:28,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:28,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:28,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:28,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:28,749 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:28,749 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:28,750 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:28,750 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:28,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:28,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:28,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:28,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:28,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:28,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:28,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:28,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:28,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-21 11:14:28,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:28,756 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:28,757 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:28,757 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:28,757 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:28,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:28,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:28,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:28,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:28,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:28,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:28,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:14:28,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:28,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-21 11:14:28,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:28,767 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:28,768 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:28,768 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:28,768 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:28,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:28,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:28,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:28,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:28,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:28,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:28,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:28,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:28,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-21 11:14:28,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:28,780 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:28,780 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:28,780 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:28,781 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:28,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:28,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:28,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:14:28,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:28,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:14:28,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:28,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:28,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:28,842 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-09-21 11:14:28,842 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2059039995] [2020-09-21 11:14:28,843 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:14:28,843 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-21 11:14:28,843 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638739584] [2020-09-21 11:14:28,844 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:14:28,844 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:14:28,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:14:28,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:14:28,845 INFO L87 Difference]: Start difference. First operand 710 states and 828 transitions. Second operand 10 states. [2020-09-21 11:14:29,546 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:14:31,447 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:14:31,820 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:14:32,142 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:14:32,446 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:14:32,847 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:14:33,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:14:33,604 INFO L93 Difference]: Finished difference Result 773 states and 916 transitions. [2020-09-21 11:14:33,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-21 11:14:33,604 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 132 [2020-09-21 11:14:33,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:14:33,609 INFO L225 Difference]: With dead ends: 773 [2020-09-21 11:14:33,610 INFO L226 Difference]: Without dead ends: 660 [2020-09-21 11:14:33,611 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-09-21 11:14:33,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2020-09-21 11:14:33,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 606. [2020-09-21 11:14:33,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 606 states. [2020-09-21 11:14:33,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 606 states and 697 transitions. [2020-09-21 11:14:33,746 INFO L78 Accepts]: Start accepts. Automaton has 606 states and 697 transitions. Word has length 132 [2020-09-21 11:14:33,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:14:33,747 INFO L479 AbstractCegarLoop]: Abstraction has 606 states and 697 transitions. [2020-09-21 11:14:33,747 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:14:33,747 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 697 transitions. [2020-09-21 11:14:33,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-09-21 11:14:33,751 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:14:33,751 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:14:33,751 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 11:14:33,752 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:14:33,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:14:33,752 INFO L82 PathProgramCache]: Analyzing trace with hash -1244866615, now seen corresponding path program 1 times [2020-09-21 11:14:33,752 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:14:33,753 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1098597175] [2020-09-21 11:14:33,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:14:33,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:33,827 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:33,827 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:33,827 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:33,827 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:33,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-09-21 11:14:33,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:33,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 11:14:33,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:33,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:14:33,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-21 11:14:33,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-09-21 11:14:33,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:34,143 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:14:34,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:34,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:34,152 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:34,153 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:34,153 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:34,154 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:34,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:34,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:34,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:34,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:34,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:34,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:34,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:34,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:34,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:34,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:34,185 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:34,185 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:34,186 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:34,186 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:34,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:34,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:34,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:34,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:34,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:34,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:34,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:34,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:34,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:14:34,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:34,192 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:34,192 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:34,192 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:34,193 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:34,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:34,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:34,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:34,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:34,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:34,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:34,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:34,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:34,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:14:34,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:34,196 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:34,197 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:34,197 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:34,197 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:34,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:34,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:34,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:34,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:34,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:34,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:34,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:34,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:34,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:14:34,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:34,201 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:34,202 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:34,202 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:34,202 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:34,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:34,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:34,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:34,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:34,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:34,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:34,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:34,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:34,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:14:34,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:34,224 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:34,224 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:34,224 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:34,225 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:34,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:34,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:34,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:34,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:34,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:34,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:34,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:34,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:34,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:14:34,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:34,255 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:34,255 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:34,256 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:34,256 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:34,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:14:34,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:34,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:34,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:34,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:34,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:34,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-21 11:14:34,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:34,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:34,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:34,288 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:34,289 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:34,289 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:34,289 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:34,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:14:34,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:34,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:34,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:34,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:34,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:34,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 11:14:34,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:34,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:34,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:34,310 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:34,311 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:34,311 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:34,312 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:34,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:14:34,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:34,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:34,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:34,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:34,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:34,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 11:14:34,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:34,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:34,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:34,327 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:34,328 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:34,328 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:34,328 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:34,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:14:34,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:34,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:34,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:34,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:34,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:34,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:14:34,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:34,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:34,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:34,340 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:34,340 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:34,341 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:34,341 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:34,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:14:34,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:34,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:34,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:34,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:34,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:34,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:14:34,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:34,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:14:34,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:34,355 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:34,355 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:34,355 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:34,356 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:34,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:34,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:34,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:34,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:34,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:34,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:34,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:34,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:34,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-21 11:14:34,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:34,383 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:34,383 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:34,383 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:34,384 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:34,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:14:34,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:34,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:34,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:34,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:34,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:34,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:14:34,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:34,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:34,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:34,390 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:34,390 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:34,390 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:34,390 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:34,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:34,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:34,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:34,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:34,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:34,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:34,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:34,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:34,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-21 11:14:34,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:34,402 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:34,402 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:34,403 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:34,403 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:34,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:34,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:34,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:14:34,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:34,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:14:34,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:14:34,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:14:34,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:34,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-09-21 11:14:34,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:34,439 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:34,439 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:34,440 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:34,440 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:34,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-21 11:14:34,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:34,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:34,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:34,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:34,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:34,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-21 11:14:34,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:34,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:34,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:34,449 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:34,449 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:34,449 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:34,449 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:34,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:14:34,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:34,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:34,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:34,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:34,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:34,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:34,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:34,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:34,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:34,456 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:34,456 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:34,456 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:34,456 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:34,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:34,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:34,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:34,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:34,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:34,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:34,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:34,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:34,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-21 11:14:34,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:34,462 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:34,462 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:34,463 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:34,463 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:34,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:14:34,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:34,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:34,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:34,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:34,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:34,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:34,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:34,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:34,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:34,468 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:34,468 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:34,468 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:34,469 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:34,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:34,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:34,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:34,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:34,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:34,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:34,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:34,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:34,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-09-21 11:14:34,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:34,475 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:34,476 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:34,476 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:34,476 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:34,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:34,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:34,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:14:34,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:34,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:14:34,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:34,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:34,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:34,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-21 11:14:34,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:34,503 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:34,504 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:34,504 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:34,504 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:34,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:34,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:34,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:34,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:34,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:34,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:34,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:34,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:34,536 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-21 11:14:34,536 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1098597175] [2020-09-21 11:14:34,537 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:14:34,537 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-21 11:14:34,543 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708468680] [2020-09-21 11:14:34,543 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 11:14:34,543 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:14:34,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 11:14:34,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:14:34,544 INFO L87 Difference]: Start difference. First operand 606 states and 697 transitions. Second operand 12 states. [2020-09-21 11:14:35,121 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:14:35,840 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:14:36,836 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:14:37,189 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:14:37,497 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:14:37,806 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:14:38,142 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:14:38,470 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:14:40,012 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:14:41,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:14:41,216 INFO L93 Difference]: Finished difference Result 1431 states and 1776 transitions. [2020-09-21 11:14:41,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-21 11:14:41,217 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 136 [2020-09-21 11:14:41,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:14:41,223 INFO L225 Difference]: With dead ends: 1431 [2020-09-21 11:14:41,223 INFO L226 Difference]: Without dead ends: 904 [2020-09-21 11:14:41,226 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 50 SyntacticMatches, 5 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=259, Invalid=611, Unknown=0, NotChecked=0, Total=870 [2020-09-21 11:14:41,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2020-09-21 11:14:41,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 836. [2020-09-21 11:14:41,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 836 states. [2020-09-21 11:14:41,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 836 states and 994 transitions. [2020-09-21 11:14:41,374 INFO L78 Accepts]: Start accepts. Automaton has 836 states and 994 transitions. Word has length 136 [2020-09-21 11:14:41,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:14:41,374 INFO L479 AbstractCegarLoop]: Abstraction has 836 states and 994 transitions. [2020-09-21 11:14:41,374 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 11:14:41,375 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 994 transitions. [2020-09-21 11:14:41,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-09-21 11:14:41,378 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:14:41,379 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:14:41,379 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-21 11:14:41,379 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:14:41,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:14:41,380 INFO L82 PathProgramCache]: Analyzing trace with hash -1692744000, now seen corresponding path program 2 times [2020-09-21 11:14:41,380 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:14:41,380 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1757515998] [2020-09-21 11:14:41,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:14:41,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:41,491 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:41,491 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:41,491 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:41,492 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:41,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-09-21 11:14:41,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:41,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-21 11:14:41,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:41,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:14:41,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-21 11:14:41,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-09-21 11:14:41,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:41,802 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:14:41,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:41,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:41,810 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:41,810 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:41,811 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:41,811 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:41,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:41,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:41,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:41,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:41,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:41,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:41,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:41,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:41,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:41,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:41,837 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:41,837 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:41,837 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:41,837 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:41,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:41,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:41,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:41,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:41,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:41,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:41,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:41,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:41,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:14:41,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:41,840 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:41,840 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:41,841 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:41,841 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:41,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:41,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:41,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:41,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:41,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:41,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:41,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:41,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:41,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:14:41,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:41,844 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:41,844 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:41,844 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:41,844 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:41,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:41,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:41,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:41,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:41,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:41,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:41,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:41,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:41,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:14:41,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:41,848 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:41,849 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:41,849 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:41,849 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:41,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:41,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:41,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:41,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:41,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:41,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:41,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:41,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:41,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:14:41,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:41,862 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:41,862 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:41,863 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:41,863 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:41,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:41,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:41,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:41,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:41,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:41,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:41,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:41,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:41,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:14:41,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:41,883 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:41,883 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:41,883 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:41,884 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:41,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:14:41,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:41,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:41,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:41,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:41,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:41,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-21 11:14:41,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:41,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:41,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:41,912 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:41,913 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:41,913 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:41,913 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:41,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:14:41,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:41,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:41,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:41,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:41,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:41,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 11:14:41,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:41,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:41,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:41,932 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:41,932 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:41,932 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:41,933 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:41,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:14:41,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:41,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:41,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:41,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:41,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:41,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 11:14:41,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:41,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:41,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:41,947 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:41,947 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:41,947 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:41,948 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:41,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:14:41,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:41,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:41,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:41,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:41,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:41,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:14:41,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:41,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:41,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:41,958 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:41,959 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:41,959 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:41,959 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:41,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:14:41,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:41,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:41,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:41,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:41,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:41,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:14:41,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:41,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:14:41,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:41,970 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:41,971 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:41,971 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:41,971 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:41,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:41,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:41,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:41,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:41,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:41,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:41,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:41,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:41,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-21 11:14:41,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:41,978 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:41,979 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:41,979 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:41,979 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:41,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:14:41,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:41,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:41,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:41,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:41,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:41,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:14:41,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:41,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:41,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:41,988 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:41,988 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:41,988 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:41,988 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:41,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:41,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:41,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:41,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:41,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:41,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:41,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:41,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:41,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-21 11:14:42,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:42,025 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:42,025 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:42,025 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:42,026 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:42,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-21 11:14:42,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:42,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-21 11:14:42,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:42,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:14:42,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:14:42,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-09-21 11:14:42,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:42,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:42,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:42,075 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:42,076 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:42,076 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:42,076 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:42,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:42,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:42,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:14:42,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:42,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:14:42,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:14:42,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:14:42,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:42,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:42,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:42,108 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:42,109 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:42,109 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:42,109 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:42,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-21 11:14:42,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:42,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 11:14:42,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:42,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:14:42,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:42,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-21 11:14:42,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:42,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:42,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:42,141 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:42,142 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:42,142 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:42,142 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:42,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:14:42,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:42,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:14:42,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:42,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:14:42,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:42,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 11:14:42,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:42,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:42,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:42,245 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:42,245 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:42,246 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:42,246 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:42,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:42,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:42,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:14:42,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:42,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:14:42,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:42,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:42,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:42,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-21 11:14:42,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:42,293 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:42,294 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:42,294 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:42,294 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:42,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:14:42,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:42,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:42,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:42,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:42,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:42,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:14:42,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:42,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:42,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:42,298 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:42,298 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:42,299 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:42,299 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:42,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:42,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:42,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:42,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:42,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:42,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:42,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:42,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:42,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:14:42,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:42,305 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:42,305 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:42,305 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:42,305 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:42,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:14:42,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:42,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:42,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:42,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:42,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:42,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:14:42,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:42,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:42,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:42,312 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:42,313 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:42,313 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:42,313 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:42,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:42,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:42,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:14:42,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:42,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:42,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:42,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:42,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:42,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-21 11:14:42,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:42,320 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:42,320 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:42,320 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:42,321 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:42,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:42,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:42,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:42,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:42,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:42,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:42,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:42,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:42,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-21 11:14:42,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:42,331 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:42,331 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:42,331 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:42,331 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:42,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-21 11:14:42,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:42,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:42,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:42,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:42,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-09-21 11:14:42,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:42,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:42,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:42,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:42,342 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:42,343 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:42,343 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:42,343 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:42,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:14:42,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:42,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:14:42,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:42,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:42,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:42,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:42,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:42,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:42,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:42,349 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:42,349 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:42,350 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:42,350 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:42,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:42,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:42,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:42,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:42,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:42,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:42,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:42,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:42,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-21 11:14:42,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:42,356 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:42,356 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:42,356 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:42,356 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:42,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:14:42,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:42,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:42,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:42,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:42,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:42,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:42,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:42,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:42,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:42,361 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:42,361 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:42,361 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:42,361 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:42,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:42,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:42,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:42,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:42,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:42,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:42,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:42,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:42,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-09-21 11:14:42,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:42,367 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:42,367 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:42,368 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:42,368 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:42,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:42,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:42,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:42,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:42,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:42,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:42,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:42,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:42,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-21 11:14:42,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:42,372 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:42,372 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:42,372 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:42,372 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:42,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:42,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:42,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:42,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:42,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:42,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:42,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:42,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:42,422 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 46 proven. 25 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-09-21 11:14:42,422 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1757515998] [2020-09-21 11:14:42,423 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:14:42,423 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-21 11:14:42,423 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792770825] [2020-09-21 11:14:42,424 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-21 11:14:42,424 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:14:42,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-21 11:14:42,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2020-09-21 11:14:42,424 INFO L87 Difference]: Start difference. First operand 836 states and 994 transitions. Second operand 13 states.