/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_spec1_product62.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:05:43,263 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:05:43,267 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:05:43,312 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:05:43,314 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:05:43,324 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:05:43,325 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:05:43,330 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:05:43,333 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:05:43,335 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:05:43,337 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:05:43,338 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:05:43,338 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:05:43,342 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:05:43,344 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:05:43,346 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:05:43,348 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:05:43,349 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:05:43,351 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:05:43,358 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:05:43,359 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:05:43,362 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:05:43,363 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:05:43,364 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:05:43,368 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:05:43,368 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:05:43,368 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:05:43,371 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:05:43,371 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:05:43,373 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:05:43,373 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:05:43,374 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:05:43,375 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:05:43,376 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:05:43,377 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:05:43,377 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:05:43,378 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:05:43,378 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:05:43,379 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:05:43,380 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:05:43,381 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:05:43,382 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 11:05:43,428 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:05:43,428 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:05:43,430 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:05:43,431 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:05:43,431 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:05:43,431 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:05:43,431 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:05:43,432 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:05:43,432 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:05:43,432 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:05:43,433 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:05:43,433 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:05:43,433 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:05:43,434 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:05:43,434 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:05:43,434 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:05:43,434 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:05:43,435 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:05:43,435 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:05:43,435 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:05:43,435 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:05:43,436 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:05:43,436 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:05:43,436 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:05:43,436 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:05:43,436 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:05:43,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:05:43,437 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:05:43,437 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:05:43,437 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 11:05:43,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:05:43,884 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:05:43,889 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:05:43,891 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:05:43,891 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:05:43,892 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product62.cil.c [2020-09-21 11:05:43,972 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6b598af97/6d88185b78f64781a45455b7b85cbd24/FLAG2762e8b2c [2020-09-21 11:05:44,591 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:05:44,592 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product62.cil.c [2020-09-21 11:05:44,606 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6b598af97/6d88185b78f64781a45455b7b85cbd24/FLAG2762e8b2c [2020-09-21 11:05:44,847 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6b598af97/6d88185b78f64781a45455b7b85cbd24 [2020-09-21 11:05:44,860 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:05:44,865 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:05:44,866 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:05:44,866 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:05:44,871 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:05:44,872 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:05:44" (1/1) ... [2020-09-21 11:05:44,876 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30e89ee4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:44, skipping insertion in model container [2020-09-21 11:05:44,876 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:05:44" (1/1) ... [2020-09-21 11:05:44,885 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:05:44,937 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:05:45,426 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:05:45,441 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:05:45,520 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:05:45,562 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:05:45,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:45 WrapperNode [2020-09-21 11:05:45,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:05:45,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:05:45,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:05:45,564 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:05:45,577 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:45" (1/1) ... [2020-09-21 11:05:45,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:45" (1/1) ... [2020-09-21 11:05:45,598 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:45" (1/1) ... [2020-09-21 11:05:45,599 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:45" (1/1) ... [2020-09-21 11:05:45,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:45" (1/1) ... [2020-09-21 11:05:45,641 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:45" (1/1) ... [2020-09-21 11:05:45,646 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:45" (1/1) ... [2020-09-21 11:05:45,658 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:05:45,659 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:05:45,659 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:05:45,659 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:05:45,660 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:45" (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 11:05:45,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:05:45,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:05:45,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:05:45,729 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:05:45,729 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:05:45,729 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-21 11:05:45,730 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 11:05:45,730 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:05:45,730 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 11:05:45,730 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:05:45,730 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:05:45,730 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:05:45,731 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:05:45,731 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:05:45,731 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-21 11:05:45,731 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 11:05:45,731 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 11:05:45,732 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:05:45,732 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:05:45,732 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:05:45,732 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:05:45,732 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:05:45,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:05:45,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:05:45,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:05:45,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:05:45,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:05:45,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:05:45,733 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:05:45,733 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:05:45,734 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:05:45,734 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:05:45,734 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:05:45,734 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:05:45,734 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:05:45,734 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:05:45,734 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:05:45,735 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:05:45,735 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:05:45,735 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-21 11:05:45,735 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 11:05:45,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-21 11:05:45,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:05:45,735 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:05:45,735 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:05:45,736 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:05:45,736 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:05:45,736 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:05:45,736 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:05:45,736 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-21 11:05:45,736 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 11:05:45,737 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:05:45,737 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:05:45,737 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:05:45,737 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:05:45,737 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:05:45,737 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 11:05:45,738 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-21 11:05:45,738 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:05:45,738 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:05:45,738 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-21 11:05:45,738 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-21 11:05:45,739 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 11:05:45,739 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 11:05:45,739 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:05:45,739 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 11:05:45,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:05:45,739 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:05:45,739 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:05:45,740 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:05:45,740 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:05:45,740 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:05:45,740 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:05:45,740 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:05:45,740 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:05:45,741 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:05:45,741 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:05:45,741 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:05:45,741 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:05:45,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:05:45,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:05:45,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:05:45,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:05:45,742 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:05:45,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:05:45,742 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:05:45,742 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:05:45,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:05:45,743 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:05:45,743 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:05:45,743 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:05:45,743 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:05:45,743 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:05:45,744 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:05:45,744 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:05:45,744 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:05:45,744 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:05:45,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:05:45,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:05:45,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:05:46,713 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:05:46,714 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:05:46,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:05:46 BoogieIcfgContainer [2020-09-21 11:05:46,720 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:05:46,721 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:05:46,721 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:05:46,725 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:05:46,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:05:44" (1/3) ... [2020-09-21 11:05:46,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12b6a0a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:05:46, skipping insertion in model container [2020-09-21 11:05:46,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:45" (2/3) ... [2020-09-21 11:05:46,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12b6a0a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:05:46, skipping insertion in model container [2020-09-21 11:05:46,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:05:46" (3/3) ... [2020-09-21 11:05:46,729 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product62.cil.c [2020-09-21 11:05:46,740 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:05:46,750 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:05:46,771 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:05:46,801 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:05:46,801 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:05:46,801 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:05:46,801 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:05:46,802 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:05:46,802 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:05:46,802 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:05:46,802 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:05:46,828 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states. [2020-09-21 11:05:46,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 11:05:46,840 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:05:46,842 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:05:46,842 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:05:46,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:05:46,850 INFO L82 PathProgramCache]: Analyzing trace with hash 1419538001, now seen corresponding path program 1 times [2020-09-21 11:05:46,861 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:05:46,861 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1061877019] [2020-09-21 11:05:46,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:05:47,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:47,145 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:47,146 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:47,146 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:47,146 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:47,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 11:05:47,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:47,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:05:47,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:47,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:47,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 11:05:47,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:47,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:47,556 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:05:47,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:05:47,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:47,572 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:47,573 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:47,573 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:47,573 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:47,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:47,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:47,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:47,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:47,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:47,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:47,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:47,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:47,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:05:47,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:47,639 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:47,639 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:47,639 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:47,640 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:47,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:47,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:47,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:47,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:47,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:47,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:47,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:47,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:47,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:05:47,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:47,646 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:47,646 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:47,646 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:47,647 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:47,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:47,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:47,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:47,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:47,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:47,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:47,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:47,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:47,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:05:47,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:47,652 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:47,653 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:47,653 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:47,653 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:47,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:47,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:47,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:47,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:47,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:47,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:47,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:47,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:47,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:05:47,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:47,660 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:47,660 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:47,660 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:47,660 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:47,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:47,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:47,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:47,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:47,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:47,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:47,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:47,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:47,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:05:47,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:47,666 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:47,667 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:47,667 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:47,667 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:47,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:47,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:47,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:47,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:47,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:47,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:47,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:47,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:05:47,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:05:47,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:47,685 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:47,685 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:47,685 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:47,686 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:47,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:47,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:47,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:05:47,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:47,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:47,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:47,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:47,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:47,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:05:47,712 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1061877019] [2020-09-21 11:05:47,714 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:05:47,715 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 11:05:47,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807611911] [2020-09-21 11:05:47,751 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 11:05:47,752 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:05:47,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 11:05:47,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:05:47,772 INFO L87 Difference]: Start difference. First operand 197 states. Second operand 3 states. [2020-09-21 11:05:49,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:05:49,105 INFO L93 Difference]: Finished difference Result 354 states and 461 transitions. [2020-09-21 11:05:49,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 11:05:49,113 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 11:05:49,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:05:49,132 INFO L225 Difference]: With dead ends: 354 [2020-09-21 11:05:49,132 INFO L226 Difference]: Without dead ends: 191 [2020-09-21 11:05:49,138 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:05:49,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2020-09-21 11:05:49,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 154. [2020-09-21 11:05:49,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-09-21 11:05:49,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 183 transitions. [2020-09-21 11:05:49,242 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 183 transitions. Word has length 46 [2020-09-21 11:05:49,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:05:49,242 INFO L479 AbstractCegarLoop]: Abstraction has 154 states and 183 transitions. [2020-09-21 11:05:49,242 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 11:05:49,243 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 183 transitions. [2020-09-21 11:05:49,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 11:05:49,246 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:05:49,246 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:05:49,247 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:05:49,247 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:05:49,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:05:49,247 INFO L82 PathProgramCache]: Analyzing trace with hash -1353902391, now seen corresponding path program 1 times [2020-09-21 11:05:49,248 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:05:49,248 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1070430747] [2020-09-21 11:05:49,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:05:49,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:49,327 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:49,327 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:49,328 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:49,328 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:49,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 11:05:49,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:49,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:05:49,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:49,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:49,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 11:05:49,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:05:49,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:49,657 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:05:49,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:05:49,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:49,666 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:49,666 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:49,666 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:49,667 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:49,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:49,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:49,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:49,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:49,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:49,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:49,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:49,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:49,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:05:49,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:49,704 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:49,704 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:49,704 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:49,704 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:49,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:49,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:49,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:49,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:49,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:49,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:49,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:49,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:49,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:05:49,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:49,709 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:49,709 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:49,709 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:49,709 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:49,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:49,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:49,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:49,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:49,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:49,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:49,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:49,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:49,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:05:49,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:49,714 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:49,714 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:49,714 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:49,714 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:49,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:49,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:49,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:49,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:49,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:49,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:49,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:49,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:49,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:05:49,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:49,718 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:49,719 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:49,719 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:49,719 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:49,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:49,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:49,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:49,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:49,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:49,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:49,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:49,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:49,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:05:49,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:49,723 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:49,723 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:49,724 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:49,724 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:49,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:49,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:49,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:49,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:49,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:49,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:49,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:49,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:49,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:05:49,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:49,728 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:49,728 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:49,729 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:49,729 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:49,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:49,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:49,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:49,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:49,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:49,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:49,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:49,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:49,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:05:49,738 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1070430747] [2020-09-21 11:05:49,738 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:05:49,738 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:05:49,739 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553721090] [2020-09-21 11:05:49,741 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:05:49,741 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:05:49,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:05:49,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:05:49,742 INFO L87 Difference]: Start difference. First operand 154 states and 183 transitions. Second operand 4 states. [2020-09-21 11:05:50,196 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:05:51,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:05:51,255 INFO L93 Difference]: Finished difference Result 283 states and 348 transitions. [2020-09-21 11:05:51,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:05:51,255 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 11:05:51,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:05:51,259 INFO L225 Difference]: With dead ends: 283 [2020-09-21 11:05:51,259 INFO L226 Difference]: Without dead ends: 175 [2020-09-21 11:05:51,261 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:05:51,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2020-09-21 11:05:51,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 145. [2020-09-21 11:05:51,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2020-09-21 11:05:51,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 171 transitions. [2020-09-21 11:05:51,305 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 171 transitions. Word has length 47 [2020-09-21 11:05:51,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:05:51,306 INFO L479 AbstractCegarLoop]: Abstraction has 145 states and 171 transitions. [2020-09-21 11:05:51,306 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:05:51,306 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 171 transitions. [2020-09-21 11:05:51,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 11:05:51,308 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:05:51,308 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:05:51,309 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:05:51,309 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:05:51,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:05:51,309 INFO L82 PathProgramCache]: Analyzing trace with hash -480372053, now seen corresponding path program 1 times [2020-09-21 11:05:51,310 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:05:51,310 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [450821550] [2020-09-21 11:05:51,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:05:51,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:51,714 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:05:51,715 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:51,715 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:51,715 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:51,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:05:51,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:51,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 354 [2020-09-21 11:05:51,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:51,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:05:51,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:51,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-21 11:05:51,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:52,058 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:05:52,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:05:52,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:52,153 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:52,153 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:52,154 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:52,154 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:52,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:52,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:52,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-21 11:05:52,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:52,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:52,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:52,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:05:52,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:52,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:05:52,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:52,197 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:52,197 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:52,197 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:52,197 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:52,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:52,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:52,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:52,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:52,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:52,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:52,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:52,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:52,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:05:52,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:52,203 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:52,203 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:52,203 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:52,203 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:52,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:52,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:52,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:52,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:52,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:52,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:52,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:52,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:52,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:05:52,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:52,209 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:52,209 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:52,210 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:52,210 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:52,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:52,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:52,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:52,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:52,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:52,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:52,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:52,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:52,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:05:52,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:52,216 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:52,217 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:52,217 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:52,217 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:52,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:52,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:52,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:52,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:52,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:52,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:52,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:52,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:52,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:05:52,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:52,222 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:52,223 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:52,223 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:52,223 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:52,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:52,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:52,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:52,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:52,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:52,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:52,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:52,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:52,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:05:52,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:52,229 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:52,229 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:52,229 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:52,229 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:52,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:52,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:52,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:52,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:52,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:52,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:52,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:52,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:52,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:05:52,268 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [450821550] [2020-09-21 11:05:52,268 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:05:52,268 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:05:52,269 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979982517] [2020-09-21 11:05:52,269 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:05:52,270 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:05:52,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:05:52,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:05:52,270 INFO L87 Difference]: Start difference. First operand 145 states and 171 transitions. Second operand 4 states. [2020-09-21 11:05:52,592 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:05:53,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:05:53,647 INFO L93 Difference]: Finished difference Result 296 states and 366 transitions. [2020-09-21 11:05:53,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:05:53,647 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-09-21 11:05:53,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:05:53,651 INFO L225 Difference]: With dead ends: 296 [2020-09-21 11:05:53,651 INFO L226 Difference]: Without dead ends: 175 [2020-09-21 11:05:53,653 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:05:53,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2020-09-21 11:05:53,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 145. [2020-09-21 11:05:53,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2020-09-21 11:05:53,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 170 transitions. [2020-09-21 11:05:53,694 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 170 transitions. Word has length 52 [2020-09-21 11:05:53,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:05:53,694 INFO L479 AbstractCegarLoop]: Abstraction has 145 states and 170 transitions. [2020-09-21 11:05:53,694 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:05:53,694 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 170 transitions. [2020-09-21 11:05:53,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-09-21 11:05:53,697 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:05:53,697 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:05:53,698 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:05:53,698 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:05:53,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:05:53,698 INFO L82 PathProgramCache]: Analyzing trace with hash -1922469070, now seen corresponding path program 1 times [2020-09-21 11:05:53,699 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:05:53,699 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1176517302] [2020-09-21 11:05:53,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:05:53,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:54,092 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:54,092 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:54,093 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:54,093 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:54,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-09-21 11:05:54,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:54,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 344 [2020-09-21 11:05:54,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:54,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 11:05:54,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:54,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-21 11:05:54,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:54,396 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:05:54,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:05:54,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:54,451 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:54,452 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:54,452 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:54,452 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:54,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:54,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:54,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-21 11:05:54,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:54,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:54,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:54,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:05:54,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:54,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:05:54,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:54,487 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:54,487 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:54,487 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:54,488 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:54,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:54,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:54,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:54,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:54,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:54,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:54,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:54,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:54,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:05:54,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:54,492 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:54,493 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:54,493 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:54,493 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:54,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:54,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:54,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:54,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:54,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:54,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:54,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:54,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:54,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:05:54,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:54,498 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:54,498 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:54,498 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:54,498 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:54,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:54,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:54,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:54,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:54,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:54,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:54,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:54,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:54,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:05:54,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:54,503 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:54,504 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:54,504 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:54,504 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:54,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:54,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:54,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:54,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:54,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:54,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:54,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:54,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:54,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:05:54,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:54,523 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:54,524 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:54,524 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:54,524 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:54,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-21 11:05:54,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:54,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:05:54,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:54,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:05:54,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 11:05:54,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:05:54,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:54,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:05:54,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:54,533 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:54,533 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:54,533 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:54,533 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:54,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-21 11:05:54,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:54,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:05:54,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:54,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:05:54,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 11:05:54,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:05:54,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:54,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:05:54,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:54,541 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:54,542 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:54,542 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:54,542 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:54,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:05:54,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:54,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:05:54,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:54,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:05:54,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:05:54,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:05:54,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:54,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:05:54,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:54,558 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:54,558 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:54,559 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:54,559 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:54,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:54,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:54,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:54,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:54,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:54,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:54,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:54,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:54,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-21 11:05:54,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:54,564 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:54,564 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:54,564 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:54,564 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:54,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:54,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:54,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:54,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:54,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:54,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:54,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:54,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:54,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-09-21 11:05:54,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:54,569 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:54,569 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:54,570 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:54,570 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:54,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:54,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:54,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:54,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:54,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:54,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:54,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:54,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:54,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:05:54,584 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1176517302] [2020-09-21 11:05:54,584 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:05:54,584 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 11:05:54,585 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248135385] [2020-09-21 11:05:54,585 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 11:05:54,586 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:05:54,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 11:05:54,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:05:54,586 INFO L87 Difference]: Start difference. First operand 145 states and 170 transitions. Second operand 6 states. [2020-09-21 11:05:55,072 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:05:56,348 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:05:57,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:05:57,219 INFO L93 Difference]: Finished difference Result 404 states and 500 transitions. [2020-09-21 11:05:57,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:05:57,220 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2020-09-21 11:05:57,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:05:57,223 INFO L225 Difference]: With dead ends: 404 [2020-09-21 11:05:57,223 INFO L226 Difference]: Without dead ends: 283 [2020-09-21 11:05:57,224 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:05:57,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2020-09-21 11:05:57,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 240. [2020-09-21 11:05:57,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2020-09-21 11:05:57,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 272 transitions. [2020-09-21 11:05:57,282 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 272 transitions. Word has length 70 [2020-09-21 11:05:57,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:05:57,283 INFO L479 AbstractCegarLoop]: Abstraction has 240 states and 272 transitions. [2020-09-21 11:05:57,283 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 11:05:57,283 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 272 transitions. [2020-09-21 11:05:57,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-09-21 11:05:57,286 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:05:57,286 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:05:57,287 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:05:57,287 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:05:57,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:05:57,287 INFO L82 PathProgramCache]: Analyzing trace with hash 371744810, now seen corresponding path program 1 times [2020-09-21 11:05:57,287 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:05:57,288 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [487354490] [2020-09-21 11:05:57,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:05:57,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:57,623 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:57,623 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:57,624 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:57,624 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:57,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-09-21 11:05:57,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:57,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 287 [2020-09-21 11:05:57,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:57,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:05:57,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:57,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-09-21 11:05:57,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:57,916 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:05:57,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:05:57,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:57,972 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:57,972 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:57,972 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:57,973 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:57,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:57,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:57,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-21 11:05:57,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:57,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:57,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:57,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:05:57,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:58,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:05:58,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:58,010 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:58,010 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:58,010 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:58,011 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:58,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:58,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:58,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:58,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:58,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:58,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:58,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:58,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:58,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:05:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:58,016 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:58,016 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:58,016 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:58,017 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:58,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:58,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:58,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:58,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:58,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:58,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:58,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:58,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:58,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:05:58,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:58,022 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:58,023 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:58,023 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:58,023 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:58,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:58,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:58,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:58,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:58,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:58,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:58,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:58,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:58,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:05:58,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:58,029 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:58,029 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:58,029 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:58,030 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:58,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:58,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:58,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:58,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:58,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:58,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:58,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:58,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:58,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:05:58,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:58,050 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:58,050 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:58,051 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:58,051 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:58,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-09-21 11:05:58,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:58,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:58,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:58,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:58,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:58,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-21 11:05:58,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:58,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:05:58,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:58,061 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:58,062 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:58,062 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:58,062 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:58,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-21 11:05:58,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:58,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:58,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:58,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:58,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:58,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:58,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 46 [2020-09-21 11:05:58,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:05:58,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:58,119 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:58,120 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:58,120 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:58,120 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:58,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:05:58,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:58,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:58,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:58,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:58,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:58,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:58,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:58,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:05:58,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:58,126 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:58,126 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:58,127 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:58,127 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:58,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:05:58,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:58,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:58,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:58,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:58,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:58,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:58,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:58,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:05:58,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:58,132 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:58,132 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:58,133 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:58,133 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:58,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:05:58,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:58,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:58,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:58,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:58,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:58,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:58,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:58,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:05:58,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:58,137 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:58,138 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:58,138 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:58,138 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:58,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:58,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:58,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:58,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:58,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:58,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:58,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:58,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:58,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-09-21 11:05:58,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:58,146 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:58,146 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:58,146 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:58,147 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:58,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:58,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:58,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:05:58,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:58,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:05:58,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:58,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:58,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:58,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-09-21 11:05:58,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:58,163 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:58,163 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:58,164 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:58,164 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:58,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:58,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:58,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:58,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:58,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:58,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:58,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:58,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:58,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:05:58,179 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [487354490] [2020-09-21 11:05:58,179 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:05:58,179 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:05:58,180 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131267880] [2020-09-21 11:05:58,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:05:58,180 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:05:58,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:05:58,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:05:58,181 INFO L87 Difference]: Start difference. First operand 240 states and 272 transitions. Second operand 8 states. [2020-09-21 11:05:58,661 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:05:59,744 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:06:00,176 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:06:00,863 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:06:01,146 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:06:01,468 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:06:02,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:06:02,838 INFO L93 Difference]: Finished difference Result 718 states and 872 transitions. [2020-09-21 11:06:02,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 11:06:02,839 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 84 [2020-09-21 11:06:02,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:06:02,844 INFO L225 Difference]: With dead ends: 718 [2020-09-21 11:06:02,844 INFO L226 Difference]: Without dead ends: 502 [2020-09-21 11:06:02,845 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:06:02,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2020-09-21 11:06:02,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 435. [2020-09-21 11:06:02,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2020-09-21 11:06:02,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 494 transitions. [2020-09-21 11:06:02,932 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 494 transitions. Word has length 84 [2020-09-21 11:06:02,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:06:02,932 INFO L479 AbstractCegarLoop]: Abstraction has 435 states and 494 transitions. [2020-09-21 11:06:02,932 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:06:02,932 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 494 transitions. [2020-09-21 11:06:02,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-09-21 11:06:02,934 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:06:02,935 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:06:02,935 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:06:02,935 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:06:02,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:06:02,936 INFO L82 PathProgramCache]: Analyzing trace with hash 861472934, now seen corresponding path program 1 times [2020-09-21 11:06:02,936 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:06:02,936 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1740907931] [2020-09-21 11:06:02,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:06:02,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:03,493 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:03,493 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:03,494 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:03,494 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:03,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-09-21 11:06:03,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:03,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 512 [2020-09-21 11:06:03,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:03,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-21 11:06:03,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:03,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-09-21 11:06:03,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:03,907 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:06:03,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:06:03,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:03,979 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:03,980 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:03,980 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:03,981 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:03,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:03,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:03,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-21 11:06:03,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:03,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:03,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:03,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:06:03,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:04,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:06:04,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:04,031 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:04,032 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:04,032 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:04,032 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:04,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:04,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:04,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:06:04,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:04,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:04,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:04,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:04,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:04,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:06:04,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:04,038 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:04,039 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:04,039 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:04,039 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:04,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:04,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:04,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:04,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:04,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:04,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:04,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:04,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:04,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:06:04,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:04,046 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:04,046 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:04,047 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:04,047 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:04,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:04,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:04,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:04,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:04,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:04,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:04,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:04,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:04,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:06:04,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:04,055 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:04,055 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:04,055 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:04,056 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:04,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:04,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:04,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:04,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:04,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:04,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:04,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:04,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:04,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-21 11:06:04,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:04,075 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:04,076 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:04,076 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:04,076 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:04,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:04,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:04,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:04,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:04,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:04,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:04,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:04,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:04,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:06:04,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:04,097 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:04,098 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:04,098 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:04,098 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:04,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-09-21 11:06:04,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:04,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:06:04,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:04,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:04,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:04,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:06:04,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:04,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:04,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:04,125 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:04,126 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:04,126 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:04,126 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:04,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-21 11:06:04,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:04,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:04,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:04,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:04,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:04,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:06:04,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:04,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:04,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:04,141 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:04,141 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:04,141 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:04,142 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:04,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:06:04,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:04,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:06:04,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:04,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:04,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:04,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:06:04,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:04,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:04,155 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:04,155 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:04,156 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:04,156 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:04,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:06:04,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:04,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:06:04,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:04,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:04,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:04,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:06:04,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:04,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:04,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:04,165 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:04,165 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:04,166 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:04,166 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:04,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:06:04,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:04,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:06:04,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:04,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:04,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:04,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:04,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:04,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:06:04,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:04,175 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:04,175 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:04,175 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:04,176 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:04,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:04,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:04,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:06:04,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:04,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:04,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:04,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:04,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:04,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-21 11:06:04,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:04,188 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:04,188 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:04,189 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:04,189 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:04,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:04,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:04,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:06:04,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:04,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:04,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:04,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:04,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:04,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-09-21 11:06:04,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:04,242 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:04,242 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:04,243 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:04,243 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:04,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:04,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:04,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-21 11:06:04,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:04,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:06:04,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:04,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:04,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:04,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:06:04,292 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1740907931] [2020-09-21 11:06:04,293 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:06:04,294 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:06:04,294 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358240960] [2020-09-21 11:06:04,296 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:06:04,296 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:06:04,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:06:04,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:06:04,297 INFO L87 Difference]: Start difference. First operand 435 states and 494 transitions. Second operand 9 states. [2020-09-21 11:06:04,785 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:06:06,119 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:06:06,458 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:06:07,739 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:06:08,057 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:06:08,358 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:06:08,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:06:08,798 INFO L93 Difference]: Finished difference Result 544 states and 674 transitions. [2020-09-21 11:06:08,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-21 11:06:08,799 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2020-09-21 11:06:08,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:06:08,803 INFO L225 Difference]: With dead ends: 544 [2020-09-21 11:06:08,803 INFO L226 Difference]: Without dead ends: 541 [2020-09-21 11:06:08,804 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-09-21 11:06:08,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2020-09-21 11:06:08,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 435. [2020-09-21 11:06:08,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2020-09-21 11:06:08,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 493 transitions. [2020-09-21 11:06:08,889 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 493 transitions. Word has length 88 [2020-09-21 11:06:08,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:06:08,890 INFO L479 AbstractCegarLoop]: Abstraction has 435 states and 493 transitions. [2020-09-21 11:06:08,890 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:06:08,890 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 493 transitions. [2020-09-21 11:06:08,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-09-21 11:06:08,892 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:06:08,892 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] [2020-09-21 11:06:08,893 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:06:08,893 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:06:08,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:06:08,893 INFO L82 PathProgramCache]: Analyzing trace with hash -1149093276, now seen corresponding path program 1 times [2020-09-21 11:06:08,894 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:06:08,894 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [778227848] [2020-09-21 11:06:08,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:06:08,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:08,943 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:08,944 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:08,944 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:08,944 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:08,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-09-21 11:06:08,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:08,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:06:08,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:08,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:06:08,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-09-21 11:06:08,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:06:08,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:09,230 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:06:09,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:06:09,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:09,239 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:09,240 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:09,240 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:09,240 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:09,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:09,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:09,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:09,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:09,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:09,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:09,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:09,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:09,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:06:09,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:09,275 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:09,275 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:09,275 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:09,275 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:09,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:09,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:09,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:09,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:09,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:09,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:09,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:09,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:09,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:06:09,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:09,279 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:09,280 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:09,280 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:09,280 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:09,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:09,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:09,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:09,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:09,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:09,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:09,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:09,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:09,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:06:09,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:09,285 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:09,285 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:09,285 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:09,286 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:09,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:09,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:09,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:09,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:09,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:09,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:09,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:09,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:09,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:06:09,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:09,291 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:09,291 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:09,292 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:09,292 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:09,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:09,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:09,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:09,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:09,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:09,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:09,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:09,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:09,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-21 11:06:09,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:09,303 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:09,303 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:09,304 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:09,304 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:09,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:09,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:09,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:09,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:09,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:09,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:09,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:09,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:09,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:06:09,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:09,331 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:09,331 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:09,332 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:09,332 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:09,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-09-21 11:06:09,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:09,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:06:09,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:09,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:06:09,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:06:09,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:06:09,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:09,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:09,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:09,354 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:09,355 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:09,355 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:09,355 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:09,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:06:09,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:09,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:06:09,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:09,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:06:09,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 11:06:09,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:06:09,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:09,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:09,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:09,378 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:09,379 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:09,379 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:09,380 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:09,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:06:09,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:09,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:06:09,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:09,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:06:09,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-21 11:06:09,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:06:09,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:09,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:09,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:09,437 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:09,437 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:09,438 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:09,438 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:09,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:06:09,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:09,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:06:09,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:09,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:06:09,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:09,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:06:09,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:09,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:09,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:09,476 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:09,477 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:09,477 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:09,477 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:09,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:06:09,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:09,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:09,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:09,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:09,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:09,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:09,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:09,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:06:09,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:09,486 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:09,486 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:09,486 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:09,487 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:09,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:06:09,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:09,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:09,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:09,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:09,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:06:09,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:09,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:09,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:09,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:09,495 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:09,495 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:09,495 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:09,496 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:09,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:06:09,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:09,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:09,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:09,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:09,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:09,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:09,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:09,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:09,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:09,502 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:09,503 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:09,503 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:09,503 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:09,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:09,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:09,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:09,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:09,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:09,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:09,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:09,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:09,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:06:09,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:09,510 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:09,510 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:09,510 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:09,511 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:09,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:09,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:09,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:09,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:09,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:09,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:09,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:09,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:09,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-21 11:06:09,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:09,525 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:09,525 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:09,525 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:09,526 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:09,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:09,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:09,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:09,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:09,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:09,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:09,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:09,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:09,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-09-21 11:06:09,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:09,531 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:09,532 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:09,532 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:09,532 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:09,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:09,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:09,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:09,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:09,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:09,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:09,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:09,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:09,563 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 11:06:09,564 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [778227848] [2020-09-21 11:06:09,564 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:06:09,564 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:06:09,564 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418998986] [2020-09-21 11:06:09,565 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:06:09,565 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:06:09,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:06:09,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:06:09,566 INFO L87 Difference]: Start difference. First operand 435 states and 493 transitions. Second operand 9 states. [2020-09-21 11:06:10,727 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:06:11,014 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:06:11,311 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:06:11,611 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:06:13,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:06:13,028 INFO L93 Difference]: Finished difference Result 960 states and 1180 transitions. [2020-09-21 11:06:13,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:06:13,034 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 104 [2020-09-21 11:06:13,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:06:13,038 INFO L225 Difference]: With dead ends: 960 [2020-09-21 11:06:13,038 INFO L226 Difference]: Without dead ends: 549 [2020-09-21 11:06:13,040 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:06:13,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2020-09-21 11:06:13,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 445. [2020-09-21 11:06:13,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2020-09-21 11:06:13,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 503 transitions. [2020-09-21 11:06:13,119 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 503 transitions. Word has length 104 [2020-09-21 11:06:13,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:06:13,120 INFO L479 AbstractCegarLoop]: Abstraction has 445 states and 503 transitions. [2020-09-21 11:06:13,120 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:06:13,120 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 503 transitions. [2020-09-21 11:06:13,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-09-21 11:06:13,122 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:06:13,122 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] [2020-09-21 11:06:13,122 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:06:13,122 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:06:13,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:06:13,123 INFO L82 PathProgramCache]: Analyzing trace with hash -1502181658, now seen corresponding path program 1 times [2020-09-21 11:06:13,123 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:06:13,123 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [448811277] [2020-09-21 11:06:13,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:06:13,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:13,176 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:06:13,176 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -60 [2020-09-21 11:06:13,177 FATAL L256 erpolLogProxyWrapper]: Difference in width: 60 [2020-09-21 11:06:13,177 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:13,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-09-21 11:06:13,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:13,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:06:13,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:13,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:06:13,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-09-21 11:06:13,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:13,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:13,441 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:06:13,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:06:13,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:13,450 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:13,450 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:13,450 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:13,451 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:13,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:13,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:13,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:13,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:13,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:13,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:13,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:13,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:13,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:06:13,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:13,478 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:13,478 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:13,478 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:13,479 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:13,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:13,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:13,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:13,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:13,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:13,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:13,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:13,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:13,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:06:13,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:13,482 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:13,482 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:13,482 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:13,482 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:13,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:13,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:13,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:13,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:13,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:13,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:13,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:13,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:13,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:06:13,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:13,486 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:13,486 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:13,486 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:13,486 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:13,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:13,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:13,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:13,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:13,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:13,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:13,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:13,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:13,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:06:13,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:13,490 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:13,490 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:13,490 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:13,490 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:13,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:13,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:13,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:13,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:13,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:13,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:13,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:13,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:13,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-21 11:06:13,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:13,501 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:13,501 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:13,501 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:13,501 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:13,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:13,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:13,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:13,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:13,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:13,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:13,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:13,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:13,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:06:13,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:13,521 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:13,521 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:13,521 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:13,521 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:13,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-09-21 11:06:13,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:13,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:06:13,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:13,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:06:13,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-21 11:06:13,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:13,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:13,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:13,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:13,537 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:13,538 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:13,538 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:13,538 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:13,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:06:13,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:13,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:06:13,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:13,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:06:13,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 11:06:13,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:13,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:13,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:13,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:13,555 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:13,555 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:13,556 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:13,556 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:13,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:06:13,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:13,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:06:13,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:13,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:06:13,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:06:13,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:13,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:13,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:13,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:13,569 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:13,570 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:13,570 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:13,570 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:13,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:06:13,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:13,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:06:13,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:13,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:06:13,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:06:13,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:13,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:13,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:13,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:13,600 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:13,601 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:13,601 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:13,601 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:13,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:06:13,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:13,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:06:13,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:13,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:06:13,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:13,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:13,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:13,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:06:13,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:13,617 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:13,618 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:13,618 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:13,618 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:13,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:06:13,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:13,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:13,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:13,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:13,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:06:13,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:13,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:13,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:13,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:13,624 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:13,625 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:13,625 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:13,625 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:13,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:06:13,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:13,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:13,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:13,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:13,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:13,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:13,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:13,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:13,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:13,630 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:13,630 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:13,631 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:13,631 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:13,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:13,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:13,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:13,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:13,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:13,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:13,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:13,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:13,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:06:13,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:13,636 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:13,636 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:13,636 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:13,636 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:13,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:13,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:13,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:13,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:13,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:13,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:13,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:13,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:13,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-21 11:06:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:13,644 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:13,645 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:13,645 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:13,645 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:13,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:13,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:13,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:13,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:13,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:13,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:13,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:13,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:13,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-09-21 11:06:13,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:13,649 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:13,649 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:13,650 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:13,650 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:13,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:13,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:13,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:13,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:13,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:13,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:13,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:13,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:13,665 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 11:06:13,665 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [448811277] [2020-09-21 11:06:13,666 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:06:13,666 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:06:13,666 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391732027] [2020-09-21 11:06:13,666 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:06:13,667 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:06:13,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:06:13,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:06:13,667 INFO L87 Difference]: Start difference. First operand 445 states and 503 transitions. Second operand 8 states. [2020-09-21 11:06:14,511 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:06:14,802 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:06:15,088 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:06:16,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:06:16,431 INFO L93 Difference]: Finished difference Result 980 states and 1202 transitions. [2020-09-21 11:06:16,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:06:16,431 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 104 [2020-09-21 11:06:16,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:06:16,435 INFO L225 Difference]: With dead ends: 980 [2020-09-21 11:06:16,436 INFO L226 Difference]: Without dead ends: 559 [2020-09-21 11:06:16,437 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:06:16,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2020-09-21 11:06:16,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 453. [2020-09-21 11:06:16,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 453 states. [2020-09-21 11:06:16,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 511 transitions. [2020-09-21 11:06:16,537 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 511 transitions. Word has length 104 [2020-09-21 11:06:16,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:06:16,538 INFO L479 AbstractCegarLoop]: Abstraction has 453 states and 511 transitions. [2020-09-21 11:06:16,538 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:06:16,538 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 511 transitions. [2020-09-21 11:06:16,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-09-21 11:06:16,541 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:06:16,541 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] [2020-09-21 11:06:16,541 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:06:16,541 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:06:16,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:06:16,542 INFO L82 PathProgramCache]: Analyzing trace with hash -368991065, now seen corresponding path program 1 times [2020-09-21 11:06:16,542 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:06:16,543 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1662152597] [2020-09-21 11:06:16,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:06:16,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:16,822 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:16,823 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:16,823 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:16,823 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:16,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-09-21 11:06:16,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:16,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 222 [2020-09-21 11:06:16,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:16,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:06:16,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:16,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-21 11:06:16,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:17,185 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:06:17,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:06:17,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:17,261 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:17,261 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:17,262 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:17,262 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:17,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:17,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:17,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-21 11:06:17,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:17,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:17,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:17,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:06:17,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:17,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:06:17,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:17,302 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:17,302 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:17,302 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:17,303 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:17,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:17,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:17,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:06:17,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:17,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:17,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:17,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:17,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:17,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:06:17,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:17,313 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:17,313 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:17,314 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:17,314 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:17,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:17,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:17,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:17,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:17,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:17,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:17,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:17,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:17,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:06:17,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:17,320 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:17,321 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:17,321 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:17,321 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:17,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:17,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:17,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:17,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:17,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:17,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:17,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:17,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:17,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:06:17,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:17,328 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:17,329 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:17,329 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:17,329 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:17,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:17,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:17,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:06:17,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:17,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:17,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:17,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:17,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:17,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-21 11:06:17,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:17,346 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:17,347 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:17,347 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:17,347 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:17,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:17,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:17,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:17,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:17,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:17,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:17,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:17,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:17,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:06:17,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:17,372 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:17,373 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:17,373 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:17,373 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:17,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-09-21 11:06:17,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:17,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:06:17,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:17,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:17,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-21 11:06:17,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-21 11:06:17,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:17,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:17,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:17,414 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:17,414 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:17,414 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:17,415 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:17,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:06:17,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:17,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:06:17,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:17,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:17,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:17,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 11:06:17,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:17,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:17,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:17,443 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:17,444 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:17,444 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:17,444 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:17,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:06:17,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:17,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:17,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:17,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:17,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:17,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 11:06:17,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:17,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:17,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:17,469 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:17,469 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:17,469 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:17,470 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:17,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:06:17,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:17,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:06:17,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:17,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:17,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:17,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:06:17,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:17,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:17,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:17,492 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:17,492 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:17,493 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:17,493 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:17,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:06:17,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:17,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:06:17,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:17,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:17,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:17,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:06:17,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:17,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:06:17,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:17,518 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:17,518 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:17,518 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:17,519 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:17,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:06:17,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:17,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:17,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:17,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:17,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:17,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-21 11:06:17,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:17,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:17,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:17,526 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:17,526 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:17,527 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:17,527 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:17,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:06:17,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:17,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:17,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:17,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:17,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:17,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:17,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:17,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:17,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:17,531 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:17,532 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:17,532 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:17,532 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:17,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:17,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:17,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:17,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:17,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:17,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:17,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:17,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:17,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:06:17,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:17,536 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:17,537 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:17,537 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:17,537 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:17,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:17,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:17,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:17,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:17,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:17,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:17,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:17,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:17,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-21 11:06:17,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:17,547 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:17,547 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:17,548 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:17,548 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:17,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:17,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:17,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:17,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:17,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:17,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:17,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:17,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:17,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-09-21 11:06:17,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:17,554 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:17,554 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:17,554 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:17,555 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:17,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:17,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:17,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:17,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:17,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:17,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:17,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:17,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:17,571 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 11:06:17,572 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1662152597] [2020-09-21 11:06:17,572 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:06:17,572 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:06:17,572 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716057533] [2020-09-21 11:06:17,573 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:06:17,573 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:06:17,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:06:17,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:06:17,574 INFO L87 Difference]: Start difference. First operand 453 states and 511 transitions. Second operand 7 states. [2020-09-21 11:06:17,960 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:06:18,525 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:06:21,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:06:21,122 INFO L93 Difference]: Finished difference Result 1342 states and 1702 transitions. [2020-09-21 11:06:21,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-21 11:06:21,123 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 104 [2020-09-21 11:06:21,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:06:21,129 INFO L225 Difference]: With dead ends: 1342 [2020-09-21 11:06:21,129 INFO L226 Difference]: Without dead ends: 913 [2020-09-21 11:06:21,131 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 41 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:06:21,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 913 states. [2020-09-21 11:06:21,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 913 to 793. [2020-09-21 11:06:21,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 793 states. [2020-09-21 11:06:21,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 929 transitions. [2020-09-21 11:06:21,268 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 929 transitions. Word has length 104 [2020-09-21 11:06:21,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:06:21,269 INFO L479 AbstractCegarLoop]: Abstraction has 793 states and 929 transitions. [2020-09-21 11:06:21,269 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:06:21,269 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 929 transitions. [2020-09-21 11:06:21,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-09-21 11:06:21,271 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:06:21,271 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, 1, 1] [2020-09-21 11:06:21,272 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:06:21,272 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:06:21,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:06:21,272 INFO L82 PathProgramCache]: Analyzing trace with hash 38573473, now seen corresponding path program 1 times [2020-09-21 11:06:21,272 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:06:21,273 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [161755062] [2020-09-21 11:06:21,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:06:21,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:21,326 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:06:21,327 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -32 [2020-09-21 11:06:21,327 FATAL L256 erpolLogProxyWrapper]: Difference in width: 32 [2020-09-21 11:06:21,327 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:21,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 159 [2020-09-21 11:06:21,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:21,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:06:21,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:21,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:06:21,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-09-21 11:06:21,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-09-21 11:06:21,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:21,573 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:06:21,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:06:21,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:21,581 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:21,582 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:21,582 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:21,582 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:21,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:21,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:21,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:21,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:21,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:21,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:21,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:21,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:21,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:06:21,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:21,608 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:21,608 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:21,609 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:21,609 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:21,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:21,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:21,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:21,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:21,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:21,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:21,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:21,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:21,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:06:21,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:21,613 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:21,613 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:21,613 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:21,614 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:21,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:21,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:21,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:21,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:21,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:21,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:21,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:21,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:21,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:06:21,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:21,623 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:21,623 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:21,623 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:21,624 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:21,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:21,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:21,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:21,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:21,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:21,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:21,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:21,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:21,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:06:21,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:21,628 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:21,628 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:21,628 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:21,628 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:21,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:21,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:21,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:21,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:21,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:21,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:21,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:21,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:21,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:06:21,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:21,642 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:21,642 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:21,642 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:21,642 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:21,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:21,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:21,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:21,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:21,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:21,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:21,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:21,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:21,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:06:21,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:21,657 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:21,658 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:21,658 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:21,658 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:21,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:21,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:21,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:06:21,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:21,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:21,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:21,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:06:21,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:21,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:06:21,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:21,691 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:21,692 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:21,692 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:21,692 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:21,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-09-21 11:06:21,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:21,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:06:21,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:21,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:06:21,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-09-21 11:06:21,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:06:21,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:21,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:21,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:21,736 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:21,736 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:21,737 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:21,737 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:21,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:06:21,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:21,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:06:21,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:21,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:06:21,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:21,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-21 11:06:21,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:21,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:21,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:21,763 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:21,763 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:21,764 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:21,764 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:21,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:06:21,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:21,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:06:21,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:21,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:06:21,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:21,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-21 11:06:21,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:21,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:21,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:21,774 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:21,775 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:21,775 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:21,775 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:21,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:06:21,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:21,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:21,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:21,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:21,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:21,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:21,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:21,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:21,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:21,780 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:21,780 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:21,780 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:21,781 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:21,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:06:21,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:21,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:21,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:21,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:21,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:21,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:21,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:21,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:06:21,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:21,799 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:21,799 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:21,799 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:21,800 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:21,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:06:21,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:21,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:06:21,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:21,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:06:21,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:21,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 11:06:21,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:21,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:21,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:21,835 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:21,835 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:21,836 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:21,836 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:21,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:06:21,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:21,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:06:21,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:21,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:06:21,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:21,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:06:21,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:21,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:21,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:21,878 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:21,878 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:21,878 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:21,878 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:21,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:21,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:21,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:06:21,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:21,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:06:21,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:21,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:21,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:21,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:06:21,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:21,900 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:21,900 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:21,901 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:21,901 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:21,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:21,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:21,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:21,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:21,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:21,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:21,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:21,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:21,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-09-21 11:06:21,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:21,919 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:21,919 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:21,920 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:21,920 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:21,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:21,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:21,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:21,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:21,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:21,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:21,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:21,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:21,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-21 11:06:21,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:21,924 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:21,924 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:21,925 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:21,925 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:21,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:21,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:21,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:21,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:21,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:21,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:21,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:21,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:21,942 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:06:21,942 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [161755062] [2020-09-21 11:06:21,943 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:06:21,943 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-21 11:06:21,943 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327773247] [2020-09-21 11:06:21,944 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-21 11:06:21,944 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:06:21,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-21 11:06:21,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-09-21 11:06:21,944 INFO L87 Difference]: Start difference. First operand 793 states and 929 transitions. Second operand 13 states. [2020-09-21 11:06:22,461 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:06:23,284 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:06:24,414 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:06:24,783 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:06:25,102 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:06:25,422 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:06:25,774 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:06:26,086 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:06:26,379 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:06:26,686 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:06:27,047 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:06:27,435 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:06:30,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:06:30,094 INFO L93 Difference]: Finished difference Result 1649 states and 2014 transitions. [2020-09-21 11:06:30,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-09-21 11:06:30,095 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 108 [2020-09-21 11:06:30,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:06:30,101 INFO L225 Difference]: With dead ends: 1649 [2020-09-21 11:06:30,101 INFO L226 Difference]: Without dead ends: 880 [2020-09-21 11:06:30,103 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 337 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=287, Invalid=1119, Unknown=0, NotChecked=0, Total=1406 [2020-09-21 11:06:30,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2020-09-21 11:06:30,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 763. [2020-09-21 11:06:30,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 763 states. [2020-09-21 11:06:30,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 763 states and 880 transitions. [2020-09-21 11:06:30,276 INFO L78 Accepts]: Start accepts. Automaton has 763 states and 880 transitions. Word has length 108 [2020-09-21 11:06:30,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:06:30,277 INFO L479 AbstractCegarLoop]: Abstraction has 763 states and 880 transitions. [2020-09-21 11:06:30,277 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-21 11:06:30,277 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 880 transitions. [2020-09-21 11:06:30,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-09-21 11:06:30,284 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:06:30,285 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:06:30,286 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 11:06:30,286 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:06:30,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:06:30,286 INFO L82 PathProgramCache]: Analyzing trace with hash 118260142, now seen corresponding path program 1 times [2020-09-21 11:06:30,287 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:06:30,287 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [306212737] [2020-09-21 11:06:30,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:06:30,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:30,392 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:06:30,392 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -128 [2020-09-21 11:06:30,392 FATAL L256 erpolLogProxyWrapper]: Difference in width: 128 [2020-09-21 11:06:30,393 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:30,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-09-21 11:06:30,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:30,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:06:30,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:30,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:06:30,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 154 [2020-09-21 11:06:30,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-09-21 11:06:30,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:30,695 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:06:30,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:06:30,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:30,703 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:30,703 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:30,703 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:30,704 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:30,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:30,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:30,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:30,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:30,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:30,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:30,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:30,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:30,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:06:30,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:30,729 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:30,729 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:30,730 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:30,730 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:30,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:30,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:30,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:30,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:30,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:30,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:30,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:30,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:30,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:06:30,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:30,733 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:30,733 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:30,733 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:30,733 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:30,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:30,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:30,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:30,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:30,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:30,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:30,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:30,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:30,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:06:30,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:30,737 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:30,738 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:30,738 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:30,738 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:30,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:30,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:30,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:30,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:30,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:30,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:30,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:30,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:30,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:06:30,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:30,742 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:30,742 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:30,742 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:30,742 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:30,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:30,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:30,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:30,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:30,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:30,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:30,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:30,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:30,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:06:30,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:30,757 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:30,758 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:30,758 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:30,758 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:30,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:30,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:30,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:30,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:30,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:30,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:30,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:30,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:30,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:06:30,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:30,775 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:30,775 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:30,775 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:30,775 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:30,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-21 11:06:30,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:30,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:30,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:30,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:30,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:30,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:30,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:30,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:30,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:30,794 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:30,794 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:30,794 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:30,795 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:30,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-09-21 11:06:30,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:30,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:30,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:30,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:30,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:30,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:30,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:30,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:30,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:30,811 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:30,811 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:30,812 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:30,812 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:30,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:06:30,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:30,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:30,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:30,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:30,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:30,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:30,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:30,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:30,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:30,820 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:30,820 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:30,820 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:30,821 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:30,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:06:30,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:30,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:30,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:30,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:30,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:30,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:30,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:30,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:30,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:30,828 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:30,828 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:30,828 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:30,829 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:30,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:06:30,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:30,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:30,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:30,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:30,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:30,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:30,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:30,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:30,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:30,834 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:30,834 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:30,834 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:30,834 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:30,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:06:30,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:30,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:30,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:30,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:30,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:30,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:30,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:30,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:06:30,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:30,839 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:30,839 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:30,839 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:30,839 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:30,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:06:30,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:30,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:30,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:30,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:30,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:30,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:30,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:30,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:30,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:30,845 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:30,845 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:30,845 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:30,845 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:30,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:06:30,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:30,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:30,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:30,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:30,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:30,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:30,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:30,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:30,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:30,849 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:30,850 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:30,850 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:30,850 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:30,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:30,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:30,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:30,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:30,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:30,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:30,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:30,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:30,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:06:30,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:30,854 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:30,854 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:30,854 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:30,855 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:30,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:30,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:30,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:30,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:30,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:30,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:30,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:30,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:30,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:06:30,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:30,862 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:30,862 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:30,862 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:30,862 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:30,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:06:30,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:30,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:30,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:30,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:30,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:30,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:30,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:30,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:30,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:30,866 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:30,866 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:30,867 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:30,867 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:30,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:30,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:30,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:30,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:30,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:30,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:30,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:30,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:30,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-09-21 11:06:30,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:30,888 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:30,888 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:30,888 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:30,889 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:30,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:30,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:30,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:30,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:30,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:30,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:30,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:06:30,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:30,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-09-21 11:06:30,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:30,894 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:30,894 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:30,894 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:30,894 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:30,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:30,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:30,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:30,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:30,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:30,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:30,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:30,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:30,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-21 11:06:30,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:30,910 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:30,911 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:30,911 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:30,911 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:30,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-09-21 11:06:30,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:30,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:06:30,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:30,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:06:30,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:06:30,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:06:30,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:30,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:30,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:30,967 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:30,968 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:30,968 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:30,968 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:30,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:06:30,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:30,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:06:30,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:30,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:06:30,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:30,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:06:30,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:30,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:30,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:31,000 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:31,001 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:31,001 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:31,001 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:31,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:31,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:31,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:31,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:31,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:06:31,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:31,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:31,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:31,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-21 11:06:31,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:31,029 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:31,029 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:31,029 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:31,031 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:31,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-21 11:06:31,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:31,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:06:31,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:31,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:31,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:31,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-21 11:06:31,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:31,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:31,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:31,040 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:31,041 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:31,041 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:31,041 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:31,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:06:31,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:31,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:31,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:31,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:31,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:31,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:31,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:31,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:31,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:31,048 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:31,048 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:31,049 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:31,049 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:31,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:31,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:31,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:31,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:31,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:31,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:31,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:31,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:31,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-21 11:06:31,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:31,056 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:31,056 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:31,057 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:31,057 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:31,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:06:31,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:31,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:06:31,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:31,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:31,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:31,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:31,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:31,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:31,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:31,063 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:31,064 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:31,064 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:31,064 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:31,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:31,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:31,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:31,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:31,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:31,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:31,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:31,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:31,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-09-21 11:06:31,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:31,072 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:31,072 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:31,073 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:31,073 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:31,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:31,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:31,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:31,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:31,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:31,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:31,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:31,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:31,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-09-21 11:06:31,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:31,078 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:31,078 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:31,078 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:31,079 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:31,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:31,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:31,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:31,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:31,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:31,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:31,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:31,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:31,125 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-09-21 11:06:31,127 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [306212737] [2020-09-21 11:06:31,127 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:06:31,127 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-21 11:06:31,127 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43553517] [2020-09-21 11:06:31,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-21 11:06:31,129 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:06:31,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-21 11:06:31,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:06:31,130 INFO L87 Difference]: Start difference. First operand 763 states and 880 transitions. Second operand 14 states. [2020-09-21 11:06:31,654 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:06:32,500 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:06:33,643 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:06:34,016 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:06:34,338 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:06:34,656 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:06:35,040 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:06:35,360 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:06:36,559 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:06:36,866 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:06:37,209 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:06:37,772 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 11:06:38,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:06:38,927 INFO L93 Difference]: Finished difference Result 1403 states and 1714 transitions. [2020-09-21 11:06:38,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-09-21 11:06:38,927 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 178 [2020-09-21 11:06:38,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:06:38,929 INFO L225 Difference]: With dead ends: 1403 [2020-09-21 11:06:38,929 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:06:38,933 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 372 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=317, Invalid=1243, Unknown=0, NotChecked=0, Total=1560 [2020-09-21 11:06:38,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:06:38,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:06:38,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:06:38,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:06:38,934 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 178 [2020-09-21 11:06:38,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:06:38,935 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:06:38,935 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-21 11:06:38,935 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:06:38,935 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:06:38,935 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-21 11:06:38,938 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:06:39,193 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:06:39,380 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 11:06:39,551 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:06:39,735 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 11:06:39,904 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 11:06:40,065 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:06:40,229 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:06:40,404 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:06:40,577 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 194