/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_spec5_product41.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:15:58,664 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:15:58,668 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:15:58,694 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:15:58,694 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:15:58,695 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:15:58,696 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:15:58,698 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:15:58,700 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:15:58,701 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:15:58,702 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:15:58,703 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:15:58,703 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:15:58,704 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:15:58,705 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:15:58,706 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:15:58,707 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:15:58,708 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:15:58,710 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:15:58,712 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:15:58,713 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:15:58,714 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:15:58,715 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:15:58,716 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:15:58,719 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:15:58,719 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:15:58,719 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:15:58,720 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:15:58,721 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:15:58,722 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:15:58,722 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:15:58,723 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:15:58,723 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:15:58,724 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:15:58,725 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:15:58,725 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:15:58,726 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:15:58,726 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:15:58,727 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:15:58,728 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:15:58,728 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:15:58,729 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 11:15:58,757 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:15:58,757 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:15:58,758 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:15:58,759 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:15:58,759 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:15:58,759 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:15:58,759 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:15:58,760 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:15:58,760 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:15:58,760 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:15:58,760 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:15:58,760 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:15:58,761 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:15:58,761 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:15:58,761 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:15:58,761 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:15:58,761 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:15:58,762 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:15:58,762 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:15:58,762 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:15:58,762 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:15:58,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:15:58,763 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:15:58,763 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:15:58,763 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:15:58,763 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:15:58,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:15:58,764 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:15:58,764 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:15:58,764 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 11:15:59,230 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:15:59,255 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:15:59,260 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:15:59,262 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:15:59,265 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:15:59,266 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product41.cil.c [2020-09-21 11:15:59,355 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/36b10c129/3fcf5e307dc04a288f84c7e6b26ac42a/FLAGa7dc5bf21 [2020-09-21 11:15:59,982 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:15:59,985 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product41.cil.c [2020-09-21 11:16:00,021 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/36b10c129/3fcf5e307dc04a288f84c7e6b26ac42a/FLAGa7dc5bf21 [2020-09-21 11:16:00,260 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/36b10c129/3fcf5e307dc04a288f84c7e6b26ac42a [2020-09-21 11:16:00,275 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:16:00,284 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:16:00,288 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:16:00,288 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:16:00,292 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:16:00,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:16:00" (1/1) ... [2020-09-21 11:16:00,297 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c53af82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:00, skipping insertion in model container [2020-09-21 11:16:00,298 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:16:00" (1/1) ... [2020-09-21 11:16:00,308 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:16:00,382 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:16:00,890 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:16:00,908 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:16:00,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:16:01,022 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:16:01,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:01 WrapperNode [2020-09-21 11:16:01,023 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:16:01,023 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:16:01,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:16:01,024 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:16:01,041 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:01" (1/1) ... [2020-09-21 11:16:01,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:01" (1/1) ... [2020-09-21 11:16:01,063 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:01" (1/1) ... [2020-09-21 11:16:01,063 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:01" (1/1) ... [2020-09-21 11:16:01,097 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:01" (1/1) ... [2020-09-21 11:16:01,118 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:01" (1/1) ... [2020-09-21 11:16:01,127 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:01" (1/1) ... [2020-09-21 11:16:01,148 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:16:01,149 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:16:01,149 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:16:01,149 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:16:01,151 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:01" (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 11:16:01,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:16:01,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:16:01,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:16:01,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-21 11:16:01,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-21 11:16:01,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-21 11:16:01,238 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:16:01,238 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:16:01,238 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:16:01,239 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:16:01,240 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:16:01,240 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:16:01,240 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-21 11:16:01,240 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:16:01,240 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:16:01,241 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:16:01,241 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:16:01,241 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:16:01,241 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:16:01,242 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:16:01,242 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:16:01,243 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-21 11:16:01,243 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:16:01,243 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:16:01,245 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:16:01,245 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:16:01,246 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:16:01,246 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-21 11:16:01,246 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:16:01,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:16:01,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:16:01,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:16:01,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:16:01,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:16:01,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:16:01,248 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:16:01,248 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:16:01,248 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:16:01,249 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:16:01,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:16:01,249 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:16:01,250 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:16:01,250 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:16:01,250 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:16:01,250 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:16:01,250 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:16:01,251 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-21 11:16:01,251 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-21 11:16:01,251 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-21 11:16:01,251 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:16:01,251 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:16:01,251 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:16:01,252 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:16:01,253 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:16:01,253 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-21 11:16:01,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:16:01,253 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:16:01,254 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:16:01,254 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:16:01,254 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:16:01,254 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:16:01,254 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:16:01,254 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:16:01,255 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:16:01,255 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:16:01,255 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:16:01,255 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:16:01,255 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:16:01,256 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:16:01,256 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:16:01,256 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:16:01,257 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-21 11:16:01,257 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-21 11:16:01,258 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:16:01,258 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:16:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:16:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:16:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:16:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:16:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:16:01,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:16:01,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:16:01,261 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:16:01,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:16:01,261 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:16:01,261 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:16:01,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:16:01,262 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:16:01,262 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:16:01,262 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:16:01,262 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:16:01,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:16:01,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:16:01,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:16:02,408 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:16:02,408 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:16:02,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:16:02 BoogieIcfgContainer [2020-09-21 11:16:02,420 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:16:02,423 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:16:02,423 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:16:02,426 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:16:02,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:16:00" (1/3) ... [2020-09-21 11:16:02,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c98b6e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:16:02, skipping insertion in model container [2020-09-21 11:16:02,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:01" (2/3) ... [2020-09-21 11:16:02,429 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c98b6e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:16:02, skipping insertion in model container [2020-09-21 11:16:02,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:16:02" (3/3) ... [2020-09-21 11:16:02,431 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product41.cil.c [2020-09-21 11:16:02,442 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:16:02,454 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:16:02,472 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:16:02,498 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:16:02,498 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:16:02,498 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:16:02,498 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:16:02,498 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:16:02,499 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:16:02,499 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:16:02,499 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:16:02,524 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states. [2020-09-21 11:16:02,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 11:16:02,536 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:02,537 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:16:02,537 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:02,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:02,544 INFO L82 PathProgramCache]: Analyzing trace with hash 441969018, now seen corresponding path program 1 times [2020-09-21 11:16:02,553 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:02,554 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2058379094] [2020-09-21 11:16:02,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:02,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:02,876 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:02,879 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:02,879 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:02,879 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:02,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-21 11:16:02,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:02,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-21 11:16:02,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:02,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:02,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 11:16:02,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:02,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:03,399 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:03,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:03,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:03,431 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:03,431 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:03,431 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:03,432 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:03,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:03,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:03,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:03,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:03,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:03,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:03,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:03,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:03,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:03,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:03,525 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:03,525 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:03,526 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:03,526 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:03,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:03,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:03,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:03,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:03,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:03,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:03,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:03,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:03,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:03,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:03,533 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:03,533 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:03,533 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:03,534 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:03,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:03,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:03,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:03,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:03,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:03,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:03,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:03,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:03,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:03,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:03,541 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:03,541 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:03,541 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:03,542 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:03,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:03,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:03,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:03,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:03,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:03,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:03,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:03,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:03,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:03,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:03,550 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:03,550 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:03,550 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:03,551 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:03,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:03,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:03,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:03,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:03,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:03,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:03,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:03,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:03,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:03,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:03,565 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:03,565 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:03,565 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:03,566 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:03,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:03,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:03,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:03,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:03,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:03,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:03,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:03,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:03,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:16:03,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:03,584 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:03,584 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:03,584 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:03,585 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:03,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:03,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:03,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:03,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:03,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:03,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:16:03,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:03,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:03,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:03,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:03,595 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:03,596 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:03,596 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:03,596 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:03,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:03,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:03,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:03,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:03,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:03,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:03,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:03,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:03,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:16:03,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:03,606 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:03,610 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:03,611 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:03,611 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:03,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:03,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:03,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:16:03,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:03,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:03,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:03,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:03,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:03,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:16:03,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:03,618 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:03,621 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:03,623 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:03,623 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:03,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:03,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:03,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:16:03,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:03,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:03,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:03,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:03,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:03,667 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:16:03,668 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2058379094] [2020-09-21 11:16:03,670 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:03,671 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:16:03,672 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540696836] [2020-09-21 11:16:03,679 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:16:03,679 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:03,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:16:03,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:16:03,700 INFO L87 Difference]: Start difference. First operand 173 states. Second operand 4 states. [2020-09-21 11:16:04,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:04,729 INFO L93 Difference]: Finished difference Result 287 states and 366 transitions. [2020-09-21 11:16:04,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 11:16:04,731 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-09-21 11:16:04,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:04,749 INFO L225 Difference]: With dead ends: 287 [2020-09-21 11:16:04,750 INFO L226 Difference]: Without dead ends: 158 [2020-09-21 11:16:04,755 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:16:04,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-09-21 11:16:04,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 130. [2020-09-21 11:16:04,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-09-21 11:16:04,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 151 transitions. [2020-09-21 11:16:04,863 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 151 transitions. Word has length 59 [2020-09-21 11:16:04,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:04,863 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 151 transitions. [2020-09-21 11:16:04,863 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:16:04,864 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 151 transitions. [2020-09-21 11:16:04,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-09-21 11:16:04,867 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:04,868 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:16:04,868 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:16:04,868 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:04,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:04,869 INFO L82 PathProgramCache]: Analyzing trace with hash 1933724587, now seen corresponding path program 1 times [2020-09-21 11:16:04,869 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:04,869 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [458872606] [2020-09-21 11:16:04,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:04,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:05,001 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:16:05,001 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:05,002 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:05,002 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:05,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-09-21 11:16:05,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:05,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-09-21 11:16:05,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:05,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:05,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:05,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-21 11:16:05,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:05,327 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:05,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:05,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:05,452 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:05,453 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:05,453 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:05,453 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:05,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:05,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:05,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-21 11:16:05,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:05,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:05,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:05,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:16:05,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:05,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:05,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:05,511 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:05,511 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:05,511 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:05,512 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:05,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:05,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:05,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:05,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:05,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:05,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:05,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:05,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:05,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:05,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:05,519 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:05,519 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:05,520 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:05,520 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:05,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:05,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:05,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:05,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:05,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:05,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:05,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:05,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:05,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:05,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:05,532 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:05,532 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:05,532 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:05,532 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:05,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:05,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:05,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:05,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:05,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:05,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:05,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:05,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:05,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:05,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:05,539 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:05,540 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:05,540 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:05,540 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:05,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:05,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:05,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:05,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:05,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:05,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:05,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:05,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:05,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:05,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:05,564 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:05,565 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:05,565 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:05,565 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:05,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:05,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:05,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:05,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:05,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:05,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:05,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:05,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:05,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:16:05,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:05,573 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:05,574 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:05,574 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:05,574 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:05,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:05,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:05,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:05,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:05,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:05,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:05,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:05,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:05,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:05,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:05,580 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:05,581 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:05,581 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:05,581 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:05,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:05,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:05,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:05,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:05,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:05,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:05,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:05,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:05,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-21 11:16:05,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:05,586 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:05,587 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:05,587 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:05,591 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:05,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:05,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:05,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:16:05,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:05,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:05,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:05,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:05,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:05,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 11:16:05,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:05,596 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:05,597 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:05,597 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:05,597 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:05,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:05,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:05,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:05,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:05,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:05,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:05,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:05,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:05,609 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:16:05,610 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [458872606] [2020-09-21 11:16:05,610 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:05,610 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:16:05,611 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758539647] [2020-09-21 11:16:05,613 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:16:05,613 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:05,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:16:05,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:16:05,614 INFO L87 Difference]: Start difference. First operand 130 states and 151 transitions. Second operand 5 states. [2020-09-21 11:16:05,933 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:06,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:06,852 INFO L93 Difference]: Finished difference Result 260 states and 321 transitions. [2020-09-21 11:16:06,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:16:06,853 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2020-09-21 11:16:06,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:06,858 INFO L225 Difference]: With dead ends: 260 [2020-09-21 11:16:06,858 INFO L226 Difference]: Without dead ends: 158 [2020-09-21 11:16:06,860 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:16:06,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-09-21 11:16:06,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 130. [2020-09-21 11:16:06,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-09-21 11:16:06,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 150 transitions. [2020-09-21 11:16:06,899 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 150 transitions. Word has length 64 [2020-09-21 11:16:06,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:06,899 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 150 transitions. [2020-09-21 11:16:06,900 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:16:06,900 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 150 transitions. [2020-09-21 11:16:06,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-09-21 11:16:06,902 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:06,902 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:16:06,902 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:16:06,902 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:06,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:06,903 INFO L82 PathProgramCache]: Analyzing trace with hash 1723625407, now seen corresponding path program 1 times [2020-09-21 11:16:06,903 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:06,903 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [82734440] [2020-09-21 11:16:06,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:06,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:06,952 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:06,952 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:06,952 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:06,953 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:06,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-09-21 11:16:06,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:06,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:16:06,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:06,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:06,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 11:16:06,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:16:06,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:07,218 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:07,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:07,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:07,258 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:07,258 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:07,258 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:07,259 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:07,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:07,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:07,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:07,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:07,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:07,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:07,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:07,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:07,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:07,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:07,290 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:07,290 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:07,290 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:07,290 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:07,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:07,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:07,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:07,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:07,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:07,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:07,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:07,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:07,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:07,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:07,294 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:07,294 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:07,294 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:07,295 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:07,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:07,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:07,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:07,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:07,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:07,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:07,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:07,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:07,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:07,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:07,298 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:07,298 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:07,299 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:07,299 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:07,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:07,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:07,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:07,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:07,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:07,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:07,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:07,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:07,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:07,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:07,303 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:07,303 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:07,303 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:07,304 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:07,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:07,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:07,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:07,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:07,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:07,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:07,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:07,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:07,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:07,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:07,331 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:07,331 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:07,332 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:07,332 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:07,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:07,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:07,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:07,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:07,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:07,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:07,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:07,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:07,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:16:07,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:07,337 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:07,338 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:07,338 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:07,338 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:07,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:07,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:07,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:07,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:07,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:07,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:16:07,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:07,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:07,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:07,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:07,345 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:07,345 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:07,345 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:07,346 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:07,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:07,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:07,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:07,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:07,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:07,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:07,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:07,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:07,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:16:07,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:07,361 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:07,361 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:07,361 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:07,361 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:07,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:07,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:07,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:07,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:07,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:07,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:16:07,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:07,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:07,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:07,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:07,368 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:07,368 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:07,369 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:07,369 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:07,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:07,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:07,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:07,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:07,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:07,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:07,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:07,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:07,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-21 11:16:07,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:07,374 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:07,374 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:07,375 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:07,375 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:07,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:07,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:07,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:07,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:07,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:07,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:07,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:07,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:07,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-21 11:16:07,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:07,383 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:07,383 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:07,383 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:07,383 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:07,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:07,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:07,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:07,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:07,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:07,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:07,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:07,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:07,397 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:16:07,397 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [82734440] [2020-09-21 11:16:07,398 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:07,398 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 11:16:07,399 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642009429] [2020-09-21 11:16:07,400 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 11:16:07,400 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:07,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 11:16:07,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:16:07,402 INFO L87 Difference]: Start difference. First operand 130 states and 150 transitions. Second operand 6 states. [2020-09-21 11:16:07,892 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:08,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:08,865 INFO L93 Difference]: Finished difference Result 247 states and 304 transitions. [2020-09-21 11:16:08,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:16:08,865 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 68 [2020-09-21 11:16:08,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:08,868 INFO L225 Difference]: With dead ends: 247 [2020-09-21 11:16:08,868 INFO L226 Difference]: Without dead ends: 163 [2020-09-21 11:16:08,869 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:16:08,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-09-21 11:16:08,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 121. [2020-09-21 11:16:08,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-09-21 11:16:08,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 138 transitions. [2020-09-21 11:16:08,899 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 138 transitions. Word has length 68 [2020-09-21 11:16:08,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:08,899 INFO L479 AbstractCegarLoop]: Abstraction has 121 states and 138 transitions. [2020-09-21 11:16:08,900 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 11:16:08,900 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 138 transitions. [2020-09-21 11:16:08,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-09-21 11:16:08,901 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:08,902 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:16:08,902 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:16:08,902 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:08,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:08,902 INFO L82 PathProgramCache]: Analyzing trace with hash -1782817326, now seen corresponding path program 1 times [2020-09-21 11:16:08,903 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:08,903 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [49570737] [2020-09-21 11:16:08,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:08,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:09,384 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:09,384 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:09,384 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:09,384 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:09,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-21 11:16:09,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:09,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 433 [2020-09-21 11:16:09,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:09,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 11:16:09,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:09,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-21 11:16:09,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:09,702 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:09,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:09,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:09,773 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:09,773 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:09,773 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:09,773 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:09,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:09,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:09,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-21 11:16:09,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:09,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:09,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:09,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:16:09,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:09,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:09,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:09,809 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:09,809 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:09,809 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:09,809 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:09,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:09,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:09,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:09,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:09,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:09,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:09,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:09,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:09,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:09,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:09,814 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:09,814 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:09,814 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:09,815 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:09,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:09,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:09,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:09,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:09,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:09,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:09,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:09,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:09,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:09,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:09,819 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:09,820 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:09,820 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:09,820 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:09,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:09,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:09,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:09,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:09,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:09,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:09,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:09,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:09,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:09,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:09,825 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:09,825 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:09,825 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:09,825 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:09,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:09,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:09,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:09,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:09,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:09,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:09,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:09,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:09,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:09,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:09,837 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:09,837 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:09,837 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:09,838 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:09,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:09,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:09,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:09,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:09,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:09,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:09,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:09,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:09,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:16:09,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:09,876 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:09,876 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:09,880 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:09,880 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:09,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:09,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:09,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:16:09,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:09,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:09,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:09,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:09,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:09,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:09,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:09,884 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:09,885 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:09,885 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:09,885 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:09,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:09,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:09,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:09,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:09,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:09,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:09,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:09,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:09,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:16:09,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:09,900 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:09,900 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:09,900 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:09,900 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:09,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:09,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:09,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:16:09,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:09,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:09,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:16:09,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:16:09,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:09,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:09,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:09,968 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:09,968 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:09,968 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:09,968 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:09,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:09,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:09,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:09,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:09,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:09,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:09,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:09,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:09,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-21 11:16:09,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:09,975 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:09,975 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:09,975 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:09,975 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:09,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:09,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:09,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:09,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:09,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:09,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:09,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:09,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:09,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-09-21 11:16:09,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:09,979 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:09,979 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:09,979 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:09,979 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:09,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:09,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:09,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:09,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:09,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:09,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:09,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:09,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:09,993 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:16:09,993 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [49570737] [2020-09-21 11:16:09,994 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:09,994 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:16:09,994 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870315310] [2020-09-21 11:16:09,995 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:16:09,995 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:09,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:16:09,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:16:09,996 INFO L87 Difference]: Start difference. First operand 121 states and 138 transitions. Second operand 8 states. [2020-09-21 11:16:10,383 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:11,962 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 11:16:12,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:12,377 INFO L93 Difference]: Finished difference Result 331 states and 410 transitions. [2020-09-21 11:16:12,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-21 11:16:12,377 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 72 [2020-09-21 11:16:12,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:12,380 INFO L225 Difference]: With dead ends: 331 [2020-09-21 11:16:12,381 INFO L226 Difference]: Without dead ends: 238 [2020-09-21 11:16:12,382 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:16:12,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2020-09-21 11:16:12,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 195. [2020-09-21 11:16:12,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2020-09-21 11:16:12,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 225 transitions. [2020-09-21 11:16:12,433 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 225 transitions. Word has length 72 [2020-09-21 11:16:12,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:12,434 INFO L479 AbstractCegarLoop]: Abstraction has 195 states and 225 transitions. [2020-09-21 11:16:12,434 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:16:12,434 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 225 transitions. [2020-09-21 11:16:12,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-09-21 11:16:12,436 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:12,436 INFO L422 BasicCegarLoop]: trace histogram [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 11:16:12,437 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:16:12,437 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:12,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:12,437 INFO L82 PathProgramCache]: Analyzing trace with hash 526954491, now seen corresponding path program 1 times [2020-09-21 11:16:12,437 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:12,438 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [288514951] [2020-09-21 11:16:12,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:12,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:12,901 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:12,902 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:12,902 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:12,902 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:12,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-09-21 11:16:12,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:12,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 414 [2020-09-21 11:16:12,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:12,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:16:12,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:12,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-09-21 11:16:12,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:13,375 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:13,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:13,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:13,454 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:13,454 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:13,454 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:13,455 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:13,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:13,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:13,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-21 11:16:13,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:13,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:13,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:13,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:16:13,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:13,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:13,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:13,500 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:13,500 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:13,501 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:13,501 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:13,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:13,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:13,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:13,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:13,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:13,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:13,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:13,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:13,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:13,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:13,508 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:13,508 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:13,509 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:13,509 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:13,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:13,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:13,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:13,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:13,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:13,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:13,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:13,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:13,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:13,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:13,516 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:13,517 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:13,517 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:13,517 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:13,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:13,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:13,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:13,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:13,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:13,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:13,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:13,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:13,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:13,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:13,525 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:13,525 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:13,525 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:13,526 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:13,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:13,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:13,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:13,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:13,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:13,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:13,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:13,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:13,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:13,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:13,547 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:13,548 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:13,548 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:13,548 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:13,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:13,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:13,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:13,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:13,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:13,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:13,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:13,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:13,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:16:13,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:13,557 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:13,557 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:13,558 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:13,558 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:13,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:13,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:13,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:13,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:13,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:13,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:13,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:13,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:13,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:13,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:13,565 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:13,566 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:13,566 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:13,566 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:13,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:13,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:13,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:13,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:13,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:13,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:13,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:13,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:13,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:16:13,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:13,591 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:13,591 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:13,592 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:13,592 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:13,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:16:13,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:13,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:13,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:13,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:13,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:13,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:16:13,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:13,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:13,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:13,604 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:13,604 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:13,604 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:13,605 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:13,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:13,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:13,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:13,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:13,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:13,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:13,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:16:13,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:13,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:13,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:13,610 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:13,611 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:13,611 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:13,612 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:13,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:13,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:13,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:13,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:13,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:13,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:13,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:13,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:13,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:13,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:13,619 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:13,619 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:13,620 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:13,620 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:13,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:13,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:13,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:13,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:13,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:13,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:13,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:13,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:13,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-21 11:16:13,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:13,628 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:13,628 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:13,629 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:13,629 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:13,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:13,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:13,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:13,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:13,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:13,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:13,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:13,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:13,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-09-21 11:16:13,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:13,640 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:13,640 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:13,640 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:13,641 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:13,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:13,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:13,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:16:13,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:13,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:13,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:13,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:13,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:13,692 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:16:13,693 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [288514951] [2020-09-21 11:16:13,693 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:13,693 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:16:13,694 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789923339] [2020-09-21 11:16:13,695 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:16:13,695 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:13,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:16:13,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:16:13,696 INFO L87 Difference]: Start difference. First operand 195 states and 225 transitions. Second operand 9 states. [2020-09-21 11:16:14,241 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:14,984 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:15,990 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:16,344 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:16,789 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:17,116 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:17,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:17,483 INFO L93 Difference]: Finished difference Result 404 states and 493 transitions. [2020-09-21 11:16:17,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-21 11:16:17,484 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 86 [2020-09-21 11:16:17,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:17,487 INFO L225 Difference]: With dead ends: 404 [2020-09-21 11:16:17,487 INFO L226 Difference]: Without dead ends: 237 [2020-09-21 11:16:17,488 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2020-09-21 11:16:17,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2020-09-21 11:16:17,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 194. [2020-09-21 11:16:17,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2020-09-21 11:16:17,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 222 transitions. [2020-09-21 11:16:17,534 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 222 transitions. Word has length 86 [2020-09-21 11:16:17,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:17,534 INFO L479 AbstractCegarLoop]: Abstraction has 194 states and 222 transitions. [2020-09-21 11:16:17,535 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:16:17,535 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 222 transitions. [2020-09-21 11:16:17,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-09-21 11:16:17,537 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:17,537 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:16:17,537 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:16:17,538 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:17,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:17,538 INFO L82 PathProgramCache]: Analyzing trace with hash 1805003882, now seen corresponding path program 1 times [2020-09-21 11:16:17,538 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:17,538 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [721201952] [2020-09-21 11:16:17,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:17,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:17,597 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:17,597 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:17,598 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:17,598 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:17,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-09-21 11:16:17,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:17,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:16:17,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:17,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:16:17,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-09-21 11:16:17,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:16:17,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:17,886 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:17,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:17,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:17,898 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:17,898 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:17,898 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:17,899 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:17,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:17,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:17,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:17,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:17,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:17,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:17,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:17,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:17,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:17,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:17,931 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:17,932 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:17,932 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:17,932 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:17,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:17,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:17,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:17,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:17,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:17,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:17,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:17,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:17,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:17,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:17,937 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:17,938 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:17,938 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:17,938 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:17,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:17,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:17,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:17,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:17,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:17,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:17,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:17,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:17,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:17,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:17,943 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:17,943 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:17,944 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:17,944 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:17,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:17,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:17,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:17,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:17,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:17,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:17,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:17,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:17,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:17,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:17,949 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:17,949 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:17,950 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:17,950 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:17,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:17,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:17,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:17,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:17,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:17,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:17,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:17,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:17,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:17,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:17,962 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:17,962 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:17,963 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:17,963 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:17,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:17,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:17,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:17,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:17,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:17,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:17,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:17,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:17,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:16:17,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:17,969 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:17,969 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:17,969 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:17,970 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:17,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:17,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:17,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:17,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:17,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:17,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:17,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:17,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:17,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:17,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:17,976 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:17,976 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:17,976 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:17,977 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:17,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:17,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:17,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:17,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:17,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:17,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:17,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:17,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:17,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:16:17,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:18,002 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:18,002 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:18,003 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:18,003 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:18,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:16:18,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:18,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:16:18,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:18,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:16:18,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-21 11:16:18,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:16:18,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:18,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:18,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:18,065 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:18,065 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:18,065 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:18,066 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:18,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:18,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:18,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:16:18,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:18,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:18,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:18,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:16:18,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:18,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:18,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:18,106 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:18,106 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:18,106 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:18,107 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:18,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:18,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:18,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:18,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:18,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:18,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:18,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:18,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:18,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:18,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:18,115 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:18,115 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:18,115 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:18,116 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:18,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:16:18,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:18,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:18,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:18,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:18,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:16:18,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:18,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:18,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:18,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:18,124 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:18,124 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:18,124 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:18,125 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:18,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:16:18,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:18,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:18,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:18,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:18,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:18,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:18,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:18,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:18,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:18,131 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:18,131 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:18,132 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:18,132 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:18,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:18,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:18,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:18,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:18,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:18,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:18,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:18,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:18,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:18,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:18,138 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:18,139 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:18,139 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:18,139 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:18,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:18,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:18,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:18,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:18,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:18,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:18,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:18,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:18,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-21 11:16:18,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:18,148 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:18,148 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:18,149 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:18,149 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:18,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:18,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:18,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:18,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:18,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:18,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:18,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:18,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:18,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-09-21 11:16:18,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:18,155 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:18,155 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:18,156 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:18,156 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:18,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:18,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:18,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:18,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:18,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:18,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:18,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:18,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:18,185 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:16:18,185 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [721201952] [2020-09-21 11:16:18,186 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:18,186 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:16:18,186 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999224975] [2020-09-21 11:16:18,187 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:16:18,187 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:18,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:16:18,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:16:18,188 INFO L87 Difference]: Start difference. First operand 194 states and 222 transitions. Second operand 9 states. [2020-09-21 11:16:19,349 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:19,658 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 11:16:19,986 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:20,299 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 11:16:21,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:21,027 INFO L93 Difference]: Finished difference Result 404 states and 497 transitions. [2020-09-21 11:16:21,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:16:21,028 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 102 [2020-09-21 11:16:21,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:21,031 INFO L225 Difference]: With dead ends: 404 [2020-09-21 11:16:21,031 INFO L226 Difference]: Without dead ends: 238 [2020-09-21 11:16:21,032 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:16:21,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2020-09-21 11:16:21,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 199. [2020-09-21 11:16:21,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2020-09-21 11:16:21,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 227 transitions. [2020-09-21 11:16:21,073 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 227 transitions. Word has length 102 [2020-09-21 11:16:21,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:21,073 INFO L479 AbstractCegarLoop]: Abstraction has 199 states and 227 transitions. [2020-09-21 11:16:21,073 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:16:21,073 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 227 transitions. [2020-09-21 11:16:21,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-09-21 11:16:21,075 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:21,075 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:16:21,076 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:16:21,076 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:21,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:21,076 INFO L82 PathProgramCache]: Analyzing trace with hash -244383960, now seen corresponding path program 1 times [2020-09-21 11:16:21,077 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:21,077 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [926012899] [2020-09-21 11:16:21,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:21,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,132 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:16:21,132 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -61 [2020-09-21 11:16:21,133 FATAL L256 erpolLogProxyWrapper]: Difference in width: 61 [2020-09-21 11:16:21,133 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-09-21 11:16:21,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:16:21,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:21,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-09-21 11:16:21,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:21,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:21,430 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:21,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:21,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,438 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,438 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,439 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,439 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:21,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:21,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:21,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:21,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:21,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:21,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:21,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,469 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,470 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,470 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,470 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:21,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:21,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:21,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:21,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:21,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:21,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:21,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,473 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,474 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,474 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,474 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:21,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:21,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:21,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:21,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:21,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:21,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:21,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,478 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,478 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,478 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,478 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:21,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:21,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:21,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:21,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:21,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:21,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:21,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,483 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,483 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,483 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,483 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:21,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:21,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:21,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:21,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:21,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:21,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:21,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,500 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,501 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,501 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,501 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:21,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:21,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:21,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:21,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:21,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:21,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:16:21,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,505 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,506 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,506 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,506 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:21,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:21,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:21,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:21,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:21,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:21,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:21,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,510 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,510 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,510 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,511 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:21,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:21,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:21,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:21,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:21,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:21,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:16:21,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,530 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,531 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,531 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,531 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:16:21,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:16:21,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:21,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:16:21,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:21,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:21,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:21,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,542 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,543 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,543 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,543 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:21,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:16:21,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:21,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:16:21,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:21,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:21,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:21,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,567 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,567 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,567 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,568 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:21,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:21,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:16:21,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:21,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:21,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:21,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:21,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,584 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,584 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,584 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,584 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:16:21,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:21,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:21,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:16:21,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:21,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:21,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:21,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,590 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,590 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,591 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,591 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:16:21,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:21,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:21,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:21,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:21,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:21,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:21,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,596 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,596 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,596 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,596 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:21,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:21,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:21,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:21,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:21,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:21,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:21,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,601 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,601 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,601 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,601 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:21,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:21,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:21,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:21,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:21,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:21,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-21 11:16:21,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,607 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,607 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,608 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,608 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:21,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:21,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:21,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:21,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:21,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:21,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-09-21 11:16:21,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:21,613 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:21,614 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:21,614 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:21,614 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:21,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:21,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:21,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:21,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:21,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:21,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:21,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:21,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:21,638 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:16:21,639 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [926012899] [2020-09-21 11:16:21,639 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:21,639 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:16:21,640 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304132812] [2020-09-21 11:16:21,641 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:16:21,641 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:21,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:16:21,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:16:21,642 INFO L87 Difference]: Start difference. First operand 199 states and 227 transitions. Second operand 8 states. [2020-09-21 11:16:22,598 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:22,918 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:23,223 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:24,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:24,048 INFO L93 Difference]: Finished difference Result 414 states and 508 transitions. [2020-09-21 11:16:24,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:16:24,049 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 102 [2020-09-21 11:16:24,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:24,051 INFO L225 Difference]: With dead ends: 414 [2020-09-21 11:16:24,051 INFO L226 Difference]: Without dead ends: 243 [2020-09-21 11:16:24,052 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:16:24,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2020-09-21 11:16:24,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 203. [2020-09-21 11:16:24,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2020-09-21 11:16:24,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 231 transitions. [2020-09-21 11:16:24,091 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 231 transitions. Word has length 102 [2020-09-21 11:16:24,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:24,091 INFO L479 AbstractCegarLoop]: Abstraction has 203 states and 231 transitions. [2020-09-21 11:16:24,091 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:16:24,091 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 231 transitions. [2020-09-21 11:16:24,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-09-21 11:16:24,093 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:24,093 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:16:24,093 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:16:24,094 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:24,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:24,094 INFO L82 PathProgramCache]: Analyzing trace with hash 725197063, now seen corresponding path program 1 times [2020-09-21 11:16:24,094 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:24,094 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [715794659] [2020-09-21 11:16:24,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:24,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:24,381 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:24,381 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:24,382 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:24,382 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:24,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-09-21 11:16:24,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:24,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 242 [2020-09-21 11:16:24,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:24,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:16:24,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:24,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-09-21 11:16:24,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:24,669 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:24,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:24,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:24,735 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:24,735 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:24,735 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:24,735 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:24,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:24,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:24,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-21 11:16:24,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:24,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:24,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:24,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:16:24,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:24,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:24,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:24,774 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:24,774 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:24,775 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:24,775 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:24,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:24,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:24,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:24,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:24,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:24,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:24,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:24,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:24,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:24,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:24,779 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:24,779 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:24,780 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:24,780 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:24,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:24,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:24,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:24,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:24,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:24,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:24,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:24,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:24,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:24,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:24,784 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:24,784 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:24,785 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:24,785 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:24,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:24,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:24,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:24,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:24,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:24,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:24,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:24,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:24,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:24,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:24,789 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:24,789 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:24,790 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:24,790 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:24,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:24,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:24,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:24,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:24,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:24,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:24,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:24,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:24,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:24,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:24,803 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:24,803 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:24,804 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:24,804 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:24,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:24,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:24,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:24,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:24,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:24,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:24,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:24,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:24,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:16:24,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:24,810 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:24,810 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:24,810 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:24,810 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:24,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:24,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:24,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:24,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:24,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:24,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:24,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:24,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:24,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:24,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:24,815 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:24,815 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:24,815 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:24,815 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:24,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:24,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:24,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:24,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:24,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:24,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:24,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:24,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:24,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:16:24,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:24,833 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:24,834 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:24,834 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:24,834 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:24,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:16:24,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:24,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:24,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:24,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:24,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:16:24,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-21 11:16:24,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:24,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:24,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:24,858 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:24,858 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:24,858 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:24,858 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:24,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:24,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:24,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:16:24,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:24,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:24,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:24,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:16:24,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:24,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:24,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:24,877 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:24,877 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:24,877 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:24,878 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:24,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:24,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:24,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:24,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:24,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:24,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:24,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:16:24,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:24,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:24,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:24,893 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:24,894 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:24,894 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:24,894 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:24,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:16:24,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:24,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:24,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:24,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:24,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:24,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-21 11:16:24,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:24,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:24,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:24,901 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:24,901 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:24,902 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:24,902 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:24,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:16:24,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:24,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:24,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:24,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:24,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:24,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:24,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:24,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:24,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:24,906 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:24,907 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:24,907 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:24,907 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:24,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:24,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:24,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:24,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:24,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:24,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:24,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:24,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:24,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:24,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:24,911 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:24,912 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:24,912 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:24,912 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:24,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:24,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:24,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:24,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:24,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:24,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:24,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:24,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:24,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-21 11:16:24,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:24,917 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:24,917 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:24,917 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:24,918 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:24,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:24,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:24,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:24,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:24,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:24,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:24,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:24,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:24,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-09-21 11:16:24,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:24,922 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:24,922 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:24,922 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:24,922 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:24,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:24,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:24,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:24,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:24,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:24,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:24,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:24,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:24,938 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:16:24,939 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [715794659] [2020-09-21 11:16:24,939 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:24,939 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:16:24,939 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093069891] [2020-09-21 11:16:24,940 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:16:24,940 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:24,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:16:24,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:16:24,941 INFO L87 Difference]: Start difference. First operand 203 states and 231 transitions. Second operand 7 states. [2020-09-21 11:16:25,435 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:26,084 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:27,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:27,873 INFO L93 Difference]: Finished difference Result 573 states and 717 transitions. [2020-09-21 11:16:27,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-21 11:16:27,873 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 102 [2020-09-21 11:16:27,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:27,877 INFO L225 Difference]: With dead ends: 573 [2020-09-21 11:16:27,877 INFO L226 Difference]: Without dead ends: 398 [2020-09-21 11:16:27,878 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:16:27,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2020-09-21 11:16:27,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 360. [2020-09-21 11:16:27,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-09-21 11:16:27,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 422 transitions. [2020-09-21 11:16:27,940 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 422 transitions. Word has length 102 [2020-09-21 11:16:27,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:27,941 INFO L479 AbstractCegarLoop]: Abstraction has 360 states and 422 transitions. [2020-09-21 11:16:27,941 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:16:27,941 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 422 transitions. [2020-09-21 11:16:27,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-09-21 11:16:27,943 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:27,943 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:16:27,943 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:16:27,943 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:27,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:27,944 INFO L82 PathProgramCache]: Analyzing trace with hash -1122638495, now seen corresponding path program 1 times [2020-09-21 11:16:27,944 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:27,944 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1575706144] [2020-09-21 11:16:27,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:28,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:28,367 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:28,367 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:28,367 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:28,367 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:28,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 157 [2020-09-21 11:16:28,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:28,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 364 [2020-09-21 11:16:28,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:28,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 11:16:28,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:28,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-09-21 11:16:28,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:28,766 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:28,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:28,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:28,898 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:28,898 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:28,899 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:28,899 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:28,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:28,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:28,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-21 11:16:28,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:28,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:28,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:28,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:16:28,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:28,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:28,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:28,939 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:28,939 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:28,939 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:28,940 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:28,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:28,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:28,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:28,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:28,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:28,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:28,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:28,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:28,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:28,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:28,944 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:28,945 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:28,945 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:28,945 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:28,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:28,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:28,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:28,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:28,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:28,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:28,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:28,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:28,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:28,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:28,952 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:28,952 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:28,952 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:28,953 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:28,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:28,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:28,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:28,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:28,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:28,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:28,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:28,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:28,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:28,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:28,959 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:28,960 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:28,960 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:28,960 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:28,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:28,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:28,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:28,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:28,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:28,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:28,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:28,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:28,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:28,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:28,980 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:28,981 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:28,981 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:28,981 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:28,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:28,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:28,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:28,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:28,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:28,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:28,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:28,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:29,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:16:29,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:29,008 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:29,009 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:29,009 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:29,009 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:29,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:29,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:29,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:16:29,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:29,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:16:29,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:16:29,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:16:29,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:29,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:16:29,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:29,059 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:29,059 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:29,059 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:29,059 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:29,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:29,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:29,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:29,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:29,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:29,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:29,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:29,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:29,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:29,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:29,065 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:29,066 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:29,066 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:29,066 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:29,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:29,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:29,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:29,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:29,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:29,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:29,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:29,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:29,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:16:29,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:29,093 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:29,093 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:29,093 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:29,094 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:29,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:16:29,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:29,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:29,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:29,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:29,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:29,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-21 11:16:29,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:29,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:29,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:29,104 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:29,104 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:29,104 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:29,104 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:29,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:29,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:29,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:29,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:29,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:29,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:29,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:29,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:29,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:29,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:29,111 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:29,112 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:29,112 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:29,112 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:29,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:29,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:29,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:29,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:29,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:29,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:29,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:29,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:29,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:29,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:29,119 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:29,119 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:29,120 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:29,120 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:29,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:16:29,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:29,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:29,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:29,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:29,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:29,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:29,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:29,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:29,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:29,128 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:29,128 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:29,128 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:29,129 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:29,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:16:29,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:29,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:29,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:29,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:29,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:29,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:29,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:29,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:29,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:29,134 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:29,135 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:29,135 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:29,135 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:29,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:29,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:29,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:29,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:29,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:29,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:29,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:29,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:29,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:29,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:29,141 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:29,141 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:29,142 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:29,142 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:29,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:29,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:29,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:29,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:29,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:29,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:29,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:29,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:29,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-21 11:16:29,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:29,152 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:29,153 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:29,153 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:29,153 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:29,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:29,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:29,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:16:29,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:29,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:29,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:29,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:29,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:29,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-09-21 11:16:29,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:29,178 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:29,179 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:29,179 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:29,179 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:29,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:29,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:29,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:29,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:29,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:29,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:29,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:29,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:29,204 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:16:29,204 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1575706144] [2020-09-21 11:16:29,205 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:29,205 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-21 11:16:29,205 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133143717] [2020-09-21 11:16:29,206 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 11:16:29,206 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:29,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 11:16:29,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:16:29,207 INFO L87 Difference]: Start difference. First operand 360 states and 422 transitions. Second operand 12 states. [2020-09-21 11:16:29,756 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:30,534 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:31,559 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:31,950 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:32,260 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:32,586 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:32,909 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:34,030 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:34,358 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:35,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:35,320 INFO L93 Difference]: Finished difference Result 988 states and 1228 transitions. [2020-09-21 11:16:35,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-09-21 11:16:35,323 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 106 [2020-09-21 11:16:35,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:35,327 INFO L225 Difference]: With dead ends: 988 [2020-09-21 11:16:35,328 INFO L226 Difference]: Without dead ends: 721 [2020-09-21 11:16:35,330 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 325 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=296, Invalid=964, Unknown=0, NotChecked=0, Total=1260 [2020-09-21 11:16:35,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2020-09-21 11:16:35,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 614. [2020-09-21 11:16:35,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 614 states. [2020-09-21 11:16:35,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 712 transitions. [2020-09-21 11:16:35,454 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 712 transitions. Word has length 106 [2020-09-21 11:16:35,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:35,454 INFO L479 AbstractCegarLoop]: Abstraction has 614 states and 712 transitions. [2020-09-21 11:16:35,454 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 11:16:35,455 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 712 transitions. [2020-09-21 11:16:35,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-09-21 11:16:35,457 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:35,457 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:16:35,458 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:16:35,458 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:35,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:35,458 INFO L82 PathProgramCache]: Analyzing trace with hash 193650261, now seen corresponding path program 1 times [2020-09-21 11:16:35,458 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:35,459 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2074310945] [2020-09-21 11:16:35,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:35,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:35,523 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:16:35,524 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -99 [2020-09-21 11:16:35,524 FATAL L256 erpolLogProxyWrapper]: Difference in width: 99 [2020-09-21 11:16:35,524 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:35,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-21 11:16:35,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:35,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:16:35,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:35,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:16:35,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-09-21 11:16:35,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-21 11:16:35,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:35,830 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:35,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:35,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:35,848 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:35,848 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:35,849 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:35,849 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:35,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:35,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:35,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:35,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:35,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:35,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:35,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:35,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:35,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:35,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:35,877 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:35,878 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:35,878 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:35,878 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:35,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:35,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:35,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:35,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:35,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:35,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:35,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:35,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:35,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:35,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:35,883 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:35,884 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:35,884 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:35,884 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:35,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:35,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:35,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:35,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:35,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:35,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:35,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:35,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:35,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:35,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:35,889 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:35,889 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:35,890 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:35,890 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:35,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:35,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:35,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:35,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:35,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:35,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:35,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:35,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:35,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:35,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:35,895 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:35,896 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:35,896 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:35,896 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:35,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:35,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:35,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:35,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:35,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:35,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:35,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:35,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:35,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:35,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:35,911 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:35,911 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:35,911 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:35,912 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:35,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:35,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:35,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:35,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:35,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:35,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:35,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:35,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:35,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:16:35,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:35,925 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:35,926 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:35,926 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:35,926 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:35,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:35,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:35,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:35,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:35,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:35,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:35,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:35,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:35,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:16:35,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:35,963 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:35,963 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:35,963 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:35,963 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:35,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-21 11:16:35,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:35,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:35,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:35,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:35,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:35,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-09-21 11:16:35,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:35,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:35,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:35,981 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:35,982 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:35,982 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:35,983 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:35,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:35,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:35,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:35,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:35,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:35,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:35,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:35,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:35,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:35,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:35,989 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:35,989 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:35,990 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:35,990 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:35,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:35,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:35,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:35,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:35,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:35,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:35,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:35,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:36,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:16:36,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:36,021 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:36,022 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:36,022 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:36,022 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:36,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:16:36,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:36,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:36,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:36,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:36,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:36,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-21 11:16:36,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:36,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:36,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:36,039 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:36,039 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:36,039 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:36,040 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:36,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:36,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:36,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:36,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:36,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:36,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:36,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:36,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:36,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:36,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:36,049 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:36,050 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:36,050 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:36,050 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:36,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:36,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:36,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:36,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:36,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:36,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:36,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:36,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:36,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:36,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:36,057 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:36,058 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:36,058 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:36,058 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:36,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:16:36,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:36,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:36,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:36,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:36,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:36,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-21 11:16:36,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:36,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:36,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:36,069 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:36,069 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:36,069 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:36,069 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:36,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:16:36,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:36,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:36,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:36,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:36,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:36,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:36,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:36,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:36,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:36,075 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:36,075 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:36,075 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:36,076 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:36,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:36,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:36,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:36,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:36,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:36,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:36,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:36,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:36,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:36,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:36,083 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:36,083 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:36,083 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:36,084 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:36,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:36,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:36,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:36,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:36,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:36,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:36,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:16:36,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:36,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 11:16:36,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:36,097 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:36,098 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:36,098 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:36,098 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:36,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:16:36,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:36,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:36,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:36,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:36,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:36,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:16:36,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:36,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:36,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:36,104 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:36,104 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:36,105 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:36,105 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:36,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:36,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:36,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:36,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:36,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:36,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:36,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:36,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:36,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-09-21 11:16:36,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:36,117 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:36,118 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:36,118 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:36,118 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:36,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:36,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:36,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:16:36,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:36,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:16:36,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:36,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:36,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:36,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:36,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:36,152 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:36,152 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:36,156 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:36,156 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:36,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:36,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:36,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:16:36,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:36,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:16:36,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:36,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:36,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:36,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-09-21 11:16:36,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:36,175 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:36,175 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:36,175 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:36,175 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:36,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:36,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:36,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:36,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:36,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:36,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:36,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:36,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:36,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-21 11:16:36,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:36,185 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:36,185 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:36,185 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:36,185 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:36,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:36,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:36,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:16:36,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:36,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:36,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:36,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:36,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:36,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:36,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:36,189 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:36,190 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:36,190 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:36,190 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:36,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:36,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:36,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:36,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:36,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:36,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:36,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:36,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:36,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-21 11:16:36,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:36,194 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:36,194 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:36,195 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:36,195 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:36,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:36,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:36,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:36,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:36,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:36,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:36,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:36,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:36,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-09-21 11:16:36,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:36,199 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:36,199 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:36,200 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:36,200 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:36,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:36,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:36,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:36,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:36,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:36,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:36,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:36,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:36,231 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-21 11:16:36,232 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2074310945] [2020-09-21 11:16:36,232 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:16:36,232 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-21 11:16:36,232 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128117556] [2020-09-21 11:16:36,233 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 11:16:36,233 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:36,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 11:16:36,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:16:36,234 INFO L87 Difference]: Start difference. First operand 614 states and 712 transitions. Second operand 12 states. [2020-09-21 11:16:36,742 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:16:37,534 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:37,861 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:38,631 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:39,344 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:39,826 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:40,296 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:40,637 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:41,275 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 190 [2020-09-21 11:16:42,131 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-09-21 11:16:42,969 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-09-21 11:16:43,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:43,346 INFO L93 Difference]: Finished difference Result 983 states and 1161 transitions. [2020-09-21 11:16:43,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-09-21 11:16:43,347 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 149 [2020-09-21 11:16:43,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:43,348 INFO L225 Difference]: With dead ends: 983 [2020-09-21 11:16:43,348 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:16:43,355 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 58 SyntacticMatches, 4 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 258 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=352, Invalid=980, Unknown=0, NotChecked=0, Total=1332 [2020-09-21 11:16:43,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:16:43,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:16:43,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:16:43,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:16:43,358 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 149 [2020-09-21 11:16:43,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:43,359 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:16:43,359 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 11:16:43,359 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:16:43,359 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:16:43,359 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 11:16:43,365 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:16:43,611 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-21 11:16:43,992 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 195 [2020-09-21 11:16:44,393 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-21 11:16:44,761 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-21 11:16:44,944 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 11:16:45,113 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 11:16:45,487 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-21 11:16:45,823 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 195 [2020-09-21 11:16:46,190 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-21 11:16:46,515 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 195 [2020-09-21 11:16:46,690 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 11:16:46,855 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:48,780 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 256 DAG size of output: 237 [2020-09-21 11:16:48,972 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 203 [2020-09-21 11:16:49,153 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-21 11:16:49,344 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 200 [2020-09-21 11:16:49,535 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 203 [2020-09-21 11:16:49,698 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 11:16:49,867 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-21 11:16:50,222 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-21 11:16:50,580 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-21 11:16:50,768 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 11:16:52,382 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 238 DAG size of output: 223 [2020-09-21 11:16:52,738 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-21 11:16:53,093 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-21 11:16:53,449 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-21 11:16:53,807 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-21 11:16:53,979 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-21 11:16:54,145 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 11:16:54,334 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 195 [2020-09-21 11:16:54,514 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 11:16:54,682 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 11:16:55,041 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-21 11:16:55,393 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-21 11:16:55,753 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-21 11:16:55,920 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-21 11:16:56,089 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-21 11:16:56,252 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 11:16:56,610 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-21 11:16:56,771 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193