/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_spec2_product62.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:09:04,957 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:09:04,961 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:09:05,002 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:09:05,004 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:09:05,012 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:09:05,014 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:09:05,018 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:09:05,022 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:09:05,023 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:09:05,024 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:09:05,025 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:09:05,025 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:09:05,029 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:09:05,031 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:09:05,032 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:09:05,034 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:09:05,035 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:09:05,036 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:09:05,045 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:09:05,047 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:09:05,048 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:09:05,049 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:09:05,050 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:09:05,062 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:09:05,062 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:09:05,062 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:09:05,063 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:09:05,065 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:09:05,066 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:09:05,066 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:09:05,067 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:09:05,068 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:09:05,068 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:09:05,070 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:09:05,070 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:09:05,071 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:09:05,071 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:09:05,071 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:09:05,072 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:09:05,074 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:09:05,075 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 11:09:05,117 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:09:05,117 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:09:05,119 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:09:05,120 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:09:05,120 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:09:05,120 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:09:05,120 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:09:05,121 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:09:05,121 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:09:05,121 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:09:05,122 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:09:05,122 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:09:05,123 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:09:05,123 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:09:05,123 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:09:05,123 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:09:05,124 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:09:05,124 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:09:05,124 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:09:05,124 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:09:05,125 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:09:05,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:09:05,125 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:09:05,125 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:09:05,125 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:09:05,126 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:09:05,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:09:05,126 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:09:05,126 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:09:05,126 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 11:09:05,579 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:09:05,604 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:09:05,609 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:09:05,611 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:09:05,612 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:09:05,613 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product62.cil.c [2020-09-21 11:09:05,706 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e5d930b26/fd57184aa13b4e07a53a20258f803ba1/FLAG58afbe0be [2020-09-21 11:09:06,361 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:09:06,362 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product62.cil.c [2020-09-21 11:09:06,379 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e5d930b26/fd57184aa13b4e07a53a20258f803ba1/FLAG58afbe0be [2020-09-21 11:09:06,573 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e5d930b26/fd57184aa13b4e07a53a20258f803ba1 [2020-09-21 11:09:06,585 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:09:06,591 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:09:06,592 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:09:06,593 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:09:06,597 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:09:06,598 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:09:06" (1/1) ... [2020-09-21 11:09:06,602 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@538d8bff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:09:06, skipping insertion in model container [2020-09-21 11:09:06,603 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:09:06" (1/1) ... [2020-09-21 11:09:06,612 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:09:06,678 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:09:07,052 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:09:07,071 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:09:07,290 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:09:07,335 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:09:07,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:09:07 WrapperNode [2020-09-21 11:09:07,336 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:09:07,337 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:09:07,337 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:09:07,337 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:09:07,355 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:09:07" (1/1) ... [2020-09-21 11:09:07,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:09:07" (1/1) ... [2020-09-21 11:09:07,377 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:09:07" (1/1) ... [2020-09-21 11:09:07,378 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:09:07" (1/1) ... [2020-09-21 11:09:07,413 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:09:07" (1/1) ... [2020-09-21 11:09:07,425 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:09:07" (1/1) ... [2020-09-21 11:09:07,430 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:09:07" (1/1) ... [2020-09-21 11:09:07,438 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:09:07,439 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:09:07,439 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:09:07,440 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:09:07,444 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:09:07" (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 11:09:07,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:09:07,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:09:07,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:09:07,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:09:07,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:09:07,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:09:07,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:09:07,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:09:07,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:09:07,565 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:09:07,566 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:09:07,566 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:09:07,566 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:09:07,566 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:09:07,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:09:07,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-21 11:09:07,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-21 11:09:07,568 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:09:07,568 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:09:07,568 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:09:07,568 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:09:07,569 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:09:07,569 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:09:07,569 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-21 11:09:07,569 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 11:09:07,570 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:09:07,570 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:09:07,570 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:09:07,570 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:09:07,570 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:09:07,570 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:09:07,571 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:09:07,571 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-21 11:09:07,571 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 11:09:07,571 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:09:07,571 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 11:09:07,571 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:09:07,571 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:09:07,571 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:09:07,571 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:09:07,571 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:09:07,572 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-21 11:09:07,572 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 11:09:07,572 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 11:09:07,572 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:09:07,572 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:09:07,572 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:09:07,572 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:09:07,572 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:09:07,572 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:09:07,573 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:09:07,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:09:07,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:09:07,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:09:07,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:09:07,576 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:09:07,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:09:07,577 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:09:07,577 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:09:07,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:09:07,577 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:09:07,577 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:09:07,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:09:07,578 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:09:07,578 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:09:07,578 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:09:07,578 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:09:07,578 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:09:07,578 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:09:07,578 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:09:07,579 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:09:07,579 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-21 11:09:07,580 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:09:07,580 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:09:07,580 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:09:07,581 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:09:07,581 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:09:07,582 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:09:07,582 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:09:07,582 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:09:07,582 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:09:07,582 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-21 11:09:07,583 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:09:07,584 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:09:07,584 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:09:07,584 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-21 11:09:07,584 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 11:09:07,584 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:09:07,584 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 11:09:07,584 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:09:07,585 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:09:07,585 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:09:07,585 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:09:07,585 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-21 11:09:07,585 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-21 11:09:07,585 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 11:09:07,585 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 11:09:07,586 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:09:07,586 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 11:09:07,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:09:07,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:09:07,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:09:08,703 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:09:08,706 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:09:08,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:09:08 BoogieIcfgContainer [2020-09-21 11:09:08,717 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:09:08,719 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:09:08,719 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:09:08,723 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:09:08,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:09:06" (1/3) ... [2020-09-21 11:09:08,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a6bcedd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:09:08, skipping insertion in model container [2020-09-21 11:09:08,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:09:07" (2/3) ... [2020-09-21 11:09:08,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a6bcedd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:09:08, skipping insertion in model container [2020-09-21 11:09:08,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:09:08" (3/3) ... [2020-09-21 11:09:08,729 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product62.cil.c [2020-09-21 11:09:08,741 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:09:08,756 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:09:08,781 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:09:08,818 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:09:08,818 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:09:08,818 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:09:08,818 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:09:08,819 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:09:08,819 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:09:08,819 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:09:08,819 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:09:08,844 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states. [2020-09-21 11:09:08,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 11:09:08,857 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:09:08,859 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:09:08,859 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:09:08,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:09:08,867 INFO L82 PathProgramCache]: Analyzing trace with hash -519940638, now seen corresponding path program 1 times [2020-09-21 11:09:08,877 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:09:08,878 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [923876879] [2020-09-21 11:09:08,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:09:09,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:09,172 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:09,172 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:09,173 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:09,173 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:09,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-21 11:09:09,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:09,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:09:09,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:09,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:09,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 11:09:09,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:09,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:09,620 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:09:09,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:09:09,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:09,636 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:09,636 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:09,637 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:09,637 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:09,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:09,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:09,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:09,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:09,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:09,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:09,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:09,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:09,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:09:09,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:09,698 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:09,699 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:09,699 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:09,699 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:09,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:09,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:09,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:09,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:09,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:09,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:09,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:09,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:09,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:09:09,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:09,705 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:09,706 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:09,706 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:09,706 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:09,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:09,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:09,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:09,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:09,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:09,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:09,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:09,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:09,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:09:09,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:09,712 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:09,713 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:09,713 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:09,713 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:09,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:09,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:09,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:09,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:09,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:09,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:09,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:09,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:09,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:09:09,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:09,720 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:09,720 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:09,720 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:09,721 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:09,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:09,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:09,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:09,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:09,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:09,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:09,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:09,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:09,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:09:09,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:09,742 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:09,742 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:09,742 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:09,742 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:09,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:09,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:09,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:09,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:09,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:09,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:09,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:09,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:09,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:09:09,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:09,753 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:09,753 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:09,753 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:09,755 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:09,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:09,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:09,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:09,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:09,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:09,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:09,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:09,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:09,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 11:09:09,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:09,765 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:09,765 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:09,765 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:09,765 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:09,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:09,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:09,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:09,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:09,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:09,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:09,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:09,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-21 11:09:09,818 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 11:09:09,819 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [923876879] [2020-09-21 11:09:09,822 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:09:09,822 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:09:09,823 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437306804] [2020-09-21 11:09:09,829 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:09:09,829 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:09:09,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:09:09,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:09:09,851 INFO L87 Difference]: Start difference. First operand 202 states. Second operand 4 states. [2020-09-21 11:09:11,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:09:11,157 INFO L93 Difference]: Finished difference Result 354 states and 460 transitions. [2020-09-21 11:09:11,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 11:09:11,159 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 11:09:11,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:09:11,180 INFO L225 Difference]: With dead ends: 354 [2020-09-21 11:09:11,180 INFO L226 Difference]: Without dead ends: 196 [2020-09-21 11:09:11,187 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:09:11,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2020-09-21 11:09:11,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 159. [2020-09-21 11:09:11,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-09-21 11:09:11,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 189 transitions. [2020-09-21 11:09:11,300 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 189 transitions. Word has length 51 [2020-09-21 11:09:11,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:09:11,300 INFO L479 AbstractCegarLoop]: Abstraction has 159 states and 189 transitions. [2020-09-21 11:09:11,301 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:09:11,301 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 189 transitions. [2020-09-21 11:09:11,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 11:09:11,305 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:09:11,305 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 11:09:11,306 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:09:11,306 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:09:11,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:09:11,307 INFO L82 PathProgramCache]: Analyzing trace with hash -183354494, now seen corresponding path program 1 times [2020-09-21 11:09:11,307 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:09:11,307 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [586539714] [2020-09-21 11:09:11,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:09:11,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:11,374 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:11,374 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:11,374 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:11,374 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:11,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 11:09:11,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:11,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:09:11,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:11,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:11,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 11:09:11,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:09:11,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:11,687 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:09:11,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:09:11,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:11,696 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:11,696 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:11,696 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:11,696 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:11,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:11,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:11,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:11,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:11,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:11,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:11,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:11,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:11,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:09:11,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:11,736 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:11,737 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:11,737 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:11,737 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:11,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:11,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:11,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:11,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:11,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:11,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:11,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:11,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:11,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:09:11,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:11,742 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:11,742 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:11,742 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:11,742 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:11,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:11,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:11,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:11,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:11,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:11,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:11,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:11,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:11,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:09:11,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:11,747 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:11,747 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:11,748 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:11,748 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:11,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:11,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:11,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:11,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:11,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:11,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:11,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:11,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:11,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:09:11,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:11,753 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:11,753 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:11,753 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:11,753 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:11,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:11,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:11,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:11,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:11,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:11,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:11,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:11,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:11,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:09:11,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:11,768 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:11,768 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:11,768 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:11,769 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:11,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:11,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:11,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:11,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:11,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:11,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:11,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:11,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:11,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:09:11,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:11,774 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:11,775 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:11,775 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:11,775 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:11,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:11,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:11,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:11,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:11,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:11,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:11,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:11,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:11,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:09:11,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:11,780 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:11,781 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:11,781 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:11,781 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:11,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:11,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:11,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:11,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:11,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:11,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:11,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:11,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:11,790 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 11:09:11,791 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [586539714] [2020-09-21 11:09:11,791 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:09:11,791 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:09:11,791 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136652274] [2020-09-21 11:09:11,793 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:09:11,794 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:09:11,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:09:11,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:09:11,794 INFO L87 Difference]: Start difference. First operand 159 states and 189 transitions. Second operand 5 states. [2020-09-21 11:09:12,298 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:09:13,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:09:13,608 INFO L93 Difference]: Finished difference Result 295 states and 367 transitions. [2020-09-21 11:09:13,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:09:13,609 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-09-21 11:09:13,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:09:13,613 INFO L225 Difference]: With dead ends: 295 [2020-09-21 11:09:13,614 INFO L226 Difference]: Without dead ends: 186 [2020-09-21 11:09:13,616 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:09:13,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2020-09-21 11:09:13,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 150. [2020-09-21 11:09:13,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-09-21 11:09:13,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 177 transitions. [2020-09-21 11:09:13,659 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 177 transitions. Word has length 52 [2020-09-21 11:09:13,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:09:13,659 INFO L479 AbstractCegarLoop]: Abstraction has 150 states and 177 transitions. [2020-09-21 11:09:13,659 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:09:13,659 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 177 transitions. [2020-09-21 11:09:13,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-09-21 11:09:13,662 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:09:13,662 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:09:13,662 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:09:13,663 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:09:13,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:09:13,663 INFO L82 PathProgramCache]: Analyzing trace with hash -1707012514, now seen corresponding path program 1 times [2020-09-21 11:09:13,663 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:09:13,664 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1273354015] [2020-09-21 11:09:13,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:09:13,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:14,073 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:09:14,073 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:14,073 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:14,074 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:14,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-21 11:09:14,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:14,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 355 [2020-09-21 11:09:14,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:14,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:09:14,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:14,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-21 11:09:14,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:14,462 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:09:14,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:09:14,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:14,590 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:14,590 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:14,591 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:14,594 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:14,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:14,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:14,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-09-21 11:09:14,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:14,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:14,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:14,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:09:14,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:14,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:09:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:14,662 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:14,662 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:14,662 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:14,662 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:14,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:14,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:14,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:14,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:14,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:14,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:14,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:09:14,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:14,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:09:14,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:14,666 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:14,667 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:14,667 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:14,667 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:14,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:14,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:14,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:14,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:14,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:14,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:14,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:09:14,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:14,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:09:14,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:14,673 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:14,673 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:14,673 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:14,674 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:14,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:14,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:14,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:14,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:14,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:14,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:14,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:14,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:14,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:09:14,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:14,679 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:14,679 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:14,680 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:14,680 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:14,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:14,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:14,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:14,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:14,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:14,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:14,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:09:14,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:14,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:09:14,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:14,694 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:14,694 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:14,694 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:14,695 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:14,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:14,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:14,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:14,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:14,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:14,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:14,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:14,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:14,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 11:09:14,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:14,699 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:14,700 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:14,700 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:14,700 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:14,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:14,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:14,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:14,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:14,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:14,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:14,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:14,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:14,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 11:09:14,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:14,705 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:14,705 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:14,705 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:14,705 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:14,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:14,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:14,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:14,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:14,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:14,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:14,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:14,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:14,716 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 11:09:14,716 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1273354015] [2020-09-21 11:09:14,717 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:09:14,717 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:09:14,717 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872419293] [2020-09-21 11:09:14,718 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:09:14,718 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:09:14,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:09:14,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:09:14,719 INFO L87 Difference]: Start difference. First operand 150 states and 177 transitions. Second operand 5 states. [2020-09-21 11:09:15,096 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:09:16,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:09:16,363 INFO L93 Difference]: Finished difference Result 308 states and 386 transitions. [2020-09-21 11:09:16,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:09:16,363 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 57 [2020-09-21 11:09:16,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:09:16,366 INFO L225 Difference]: With dead ends: 308 [2020-09-21 11:09:16,367 INFO L226 Difference]: Without dead ends: 186 [2020-09-21 11:09:16,368 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:09:16,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2020-09-21 11:09:16,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 150. [2020-09-21 11:09:16,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-09-21 11:09:16,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 176 transitions. [2020-09-21 11:09:16,407 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 176 transitions. Word has length 57 [2020-09-21 11:09:16,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:09:16,408 INFO L479 AbstractCegarLoop]: Abstraction has 150 states and 176 transitions. [2020-09-21 11:09:16,408 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:09:16,408 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 176 transitions. [2020-09-21 11:09:16,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-09-21 11:09:16,412 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:09:16,412 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] [2020-09-21 11:09:16,412 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:09:16,412 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:09:16,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:09:16,413 INFO L82 PathProgramCache]: Analyzing trace with hash 1819519357, now seen corresponding path program 1 times [2020-09-21 11:09:16,413 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:09:16,413 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [13344409] [2020-09-21 11:09:16,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:09:16,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:16,828 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:16,829 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:16,829 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:16,829 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:16,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-21 11:09:16,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:16,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 365 [2020-09-21 11:09:16,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:16,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 11:09:16,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:16,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-09-21 11:09:16,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:17,311 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:09:17,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:09:17,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:17,401 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:17,402 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:17,402 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:17,403 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:17,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:17,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:17,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-21 11:09:17,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:17,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:17,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:17,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:09:17,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:17,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:09:17,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:17,461 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:17,462 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:17,462 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:17,463 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:17,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:17,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:17,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:17,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:17,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:17,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:17,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:09:17,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:17,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:09:17,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:17,471 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:17,471 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:17,471 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:17,471 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:17,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:17,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:17,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:17,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:17,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:17,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:17,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:09:17,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:17,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:09:17,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:17,478 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:17,479 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:17,479 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:17,479 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:17,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:17,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:17,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:17,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:17,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:17,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:17,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:17,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:17,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:09:17,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:17,486 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:17,486 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:17,486 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:17,487 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:17,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:17,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:17,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:17,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:17,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:17,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:17,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:09:17,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:17,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:09:17,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:17,509 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:17,510 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:17,510 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:17,510 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:17,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:17,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:17,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:17,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:17,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:17,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:17,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:17,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:17,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:09:17,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:17,537 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:17,538 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:17,538 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:17,538 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:17,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-21 11:09:17,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:17,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:09:17,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:17,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:09:17,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 11:09:17,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:09:17,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:17,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:17,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:17,554 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:17,555 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:17,555 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:17,556 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:17,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-21 11:09:17,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:17,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:09:17,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:17,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:09:17,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 11:09:17,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:09:17,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:17,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:17,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:17,568 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:17,569 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:17,569 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:17,570 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:17,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:09:17,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:17,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:09:17,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:17,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:09:17,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:09:17,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:09:17,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:17,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:17,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:17,590 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:17,591 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:17,591 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:17,592 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:17,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:17,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:17,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:17,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:17,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:17,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:17,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:09:17,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:17,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-09-21 11:09:17,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:17,600 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:17,600 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:17,601 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:17,601 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:17,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:17,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:17,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:17,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:17,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:17,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:17,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:17,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:17,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-09-21 11:09:17,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:17,609 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:17,609 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:17,610 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:17,610 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:17,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:17,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:17,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:17,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:17,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:17,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:17,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:17,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:17,629 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 11:09:17,630 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [13344409] [2020-09-21 11:09:17,630 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:09:17,631 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:09:17,631 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412873374] [2020-09-21 11:09:17,632 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:09:17,632 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:09:17,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:09:17,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:09:17,633 INFO L87 Difference]: Start difference. First operand 150 states and 176 transitions. Second operand 7 states. [2020-09-21 11:09:17,995 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:09:19,421 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:09:20,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:09:20,661 INFO L93 Difference]: Finished difference Result 418 states and 526 transitions. [2020-09-21 11:09:20,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-21 11:09:20,662 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 75 [2020-09-21 11:09:20,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:09:20,666 INFO L225 Difference]: With dead ends: 418 [2020-09-21 11:09:20,666 INFO L226 Difference]: Without dead ends: 296 [2020-09-21 11:09:20,668 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-09-21 11:09:20,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-09-21 11:09:20,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 247. [2020-09-21 11:09:20,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2020-09-21 11:09:20,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 282 transitions. [2020-09-21 11:09:20,731 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 282 transitions. Word has length 75 [2020-09-21 11:09:20,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:09:20,732 INFO L479 AbstractCegarLoop]: Abstraction has 247 states and 282 transitions. [2020-09-21 11:09:20,732 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:09:20,732 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 282 transitions. [2020-09-21 11:09:20,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-09-21 11:09:20,736 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:09:20,736 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, 1] [2020-09-21 11:09:20,736 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:09:20,736 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:09:20,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:09:20,737 INFO L82 PathProgramCache]: Analyzing trace with hash 948942276, now seen corresponding path program 1 times [2020-09-21 11:09:20,737 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:09:20,737 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [40561494] [2020-09-21 11:09:20,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:09:20,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:21,073 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:21,074 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:21,074 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:21,075 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:21,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-09-21 11:09:21,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:21,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 287 [2020-09-21 11:09:21,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:21,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:09:21,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:21,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-09-21 11:09:21,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:21,429 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:09:21,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:09:21,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:21,498 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:21,499 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:21,499 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:21,499 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:21,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:21,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:21,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-21 11:09:21,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:21,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:21,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:21,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:09:21,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:21,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:09:21,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:21,540 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:21,540 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:21,541 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:21,541 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:21,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:21,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:21,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:21,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:21,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:21,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:21,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:09:21,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:21,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:09:21,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:21,546 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:21,547 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:21,547 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:21,548 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:21,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:21,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:21,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:21,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:21,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:21,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:21,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:09:21,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:21,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:09:21,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:21,555 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:21,556 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:21,556 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:21,556 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:21,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:21,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:21,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:09:21,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:21,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:21,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:21,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:21,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:21,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:09:21,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:21,562 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:21,563 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:21,563 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:21,563 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:21,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:21,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:21,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:21,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:21,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:21,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:21,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:09:21,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:21,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:09:21,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:21,582 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:21,582 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:21,583 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:21,583 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:21,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:21,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:21,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:21,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:21,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:21,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:21,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:21,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:21,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:09:21,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:21,603 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:21,603 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:21,603 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:21,603 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:21,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-09-21 11:09:21,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:21,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:21,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:21,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:21,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:21,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-21 11:09:21,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:21,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:21,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:21,614 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:21,615 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:21,615 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:21,615 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:21,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-21 11:09:21,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:21,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:21,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:21,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:21,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:21,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:21,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:21,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:21,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:21,625 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:21,625 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:21,625 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:21,625 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:21,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:09:21,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:21,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:21,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:21,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:21,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:21,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:21,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:21,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:21,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:21,633 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:21,634 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:21,634 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:21,634 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:21,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:09:21,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:21,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:21,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:21,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:21,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:21,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:21,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:21,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:21,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:21,644 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:21,644 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:21,644 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:21,645 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:21,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:09:21,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:21,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:21,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:21,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:21,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:21,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:21,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:21,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:09:21,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:21,652 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:21,652 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:21,653 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:21,653 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:21,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:21,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:21,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:21,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:21,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:21,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:21,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:21,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:21,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-21 11:09:21,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:21,663 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:21,663 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:21,663 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:21,664 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:21,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:21,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:21,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:09:21,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:21,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:09:21,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:21,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:21,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:21,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-09-21 11:09:21,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:21,688 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:21,688 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:21,688 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:21,689 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:21,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:21,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:21,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:21,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:21,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:21,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:21,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:21,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:21,709 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 11:09:21,710 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [40561494] [2020-09-21 11:09:21,710 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:09:21,710 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:09:21,710 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428165088] [2020-09-21 11:09:21,712 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:09:21,712 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:09:21,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:09:21,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:09:21,713 INFO L87 Difference]: Start difference. First operand 247 states and 282 transitions. Second operand 9 states. [2020-09-21 11:09:22,172 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:09:23,477 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:09:23,947 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:09:24,765 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:09:25,073 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:09:26,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:09:26,829 INFO L93 Difference]: Finished difference Result 737 states and 912 transitions. [2020-09-21 11:09:26,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-21 11:09:26,830 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2020-09-21 11:09:26,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:09:26,836 INFO L225 Difference]: With dead ends: 737 [2020-09-21 11:09:26,837 INFO L226 Difference]: Without dead ends: 518 [2020-09-21 11:09:26,838 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-09-21 11:09:26,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2020-09-21 11:09:26,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 442. [2020-09-21 11:09:26,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2020-09-21 11:09:26,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 504 transitions. [2020-09-21 11:09:26,934 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 504 transitions. Word has length 89 [2020-09-21 11:09:26,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:09:26,935 INFO L479 AbstractCegarLoop]: Abstraction has 442 states and 504 transitions. [2020-09-21 11:09:26,935 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:09:26,935 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 504 transitions. [2020-09-21 11:09:26,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-09-21 11:09:26,937 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:09:26,938 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, 1, 1, 1, 1, 1] [2020-09-21 11:09:26,938 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:09:26,938 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:09:26,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:09:26,939 INFO L82 PathProgramCache]: Analyzing trace with hash 1944159016, now seen corresponding path program 1 times [2020-09-21 11:09:26,939 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:09:26,939 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1987750305] [2020-09-21 11:09:26,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:09:26,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:27,539 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:27,539 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:27,540 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:27,540 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:27,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-09-21 11:09:27,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:27,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 551 [2020-09-21 11:09:27,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:27,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-21 11:09:27,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:27,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-09-21 11:09:27,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:27,867 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:09:27,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:09:27,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:27,931 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:27,931 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:27,931 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:27,932 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:27,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:27,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:27,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-21 11:09:27,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:27,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:27,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:27,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:09:27,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:27,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:09:27,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:27,976 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:27,976 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:27,977 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:27,977 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:27,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:27,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:27,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:27,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:27,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:27,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:27,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:09:27,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:27,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:09:27,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:27,984 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:27,984 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:27,984 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:27,984 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:27,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:27,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:27,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:27,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:27,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:27,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:27,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:09:27,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:27,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:09:27,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:27,990 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:27,991 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:27,991 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:27,991 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:27,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:27,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:27,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:27,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:27,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:27,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:27,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:27,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:27,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:09:27,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:27,996 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:27,996 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:27,996 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:27,997 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:27,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:27,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:27,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:27,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:27,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:27,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:27,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:09:27,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:28,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:09:28,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:28,019 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:28,019 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:28,020 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:28,020 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:28,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:28,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:28,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:28,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:28,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:28,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:28,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:28,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:28,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:09:28,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:28,044 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:28,044 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:28,045 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:28,045 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:28,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:28,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:28,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:28,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:28,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:28,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:28,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:28,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:28,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:09:28,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:28,068 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:28,069 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:28,069 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:28,069 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:28,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-09-21 11:09:28,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:28,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:28,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:28,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:28,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:28,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:09:28,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:28,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:28,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:28,084 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:28,084 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:28,085 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:28,085 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:28,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-21 11:09:28,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:28,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:28,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:28,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:28,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:28,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:09:28,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:28,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:28,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:28,098 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:28,098 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:28,098 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:28,099 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:28,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:09:28,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:28,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:28,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:28,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:28,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:28,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:09:28,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:28,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:28,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:28,111 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:28,112 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:28,112 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:28,113 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:28,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:09:28,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:28,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:28,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:28,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:28,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:28,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:09:28,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:28,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:28,122 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:28,123 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:28,123 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:28,124 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:28,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:09:28,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:28,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:28,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:28,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:28,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:28,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:28,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:28,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:09:28,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:28,132 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:28,133 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:28,133 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:28,133 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:28,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:28,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:28,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:28,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:28,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:28,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:28,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:09:28,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:28,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-21 11:09:28,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:28,147 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:28,148 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:28,148 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:28,149 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:28,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:28,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:28,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:28,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:28,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:28,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:28,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:28,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:28,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-21 11:09:28,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:28,160 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:28,161 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:28,161 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:28,162 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:28,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:28,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:28,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:09:28,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:28,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:09:28,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:28,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:28,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:28,236 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 11:09:28,236 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1987750305] [2020-09-21 11:09:28,237 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:09:28,237 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 11:09:28,237 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723744934] [2020-09-21 11:09:28,238 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:09:28,238 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:09:28,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:09:28,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:09:28,239 INFO L87 Difference]: Start difference. First operand 442 states and 504 transitions. Second operand 10 states. [2020-09-21 11:09:28,702 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:09:30,247 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:09:31,808 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:09:32,127 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:09:32,482 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 11:09:33,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:09:33,150 INFO L93 Difference]: Finished difference Result 970 states and 1183 transitions. [2020-09-21 11:09:33,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-21 11:09:33,151 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 93 [2020-09-21 11:09:33,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:09:33,156 INFO L225 Difference]: With dead ends: 970 [2020-09-21 11:09:33,156 INFO L226 Difference]: Without dead ends: 556 [2020-09-21 11:09:33,158 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=194, Invalid=508, Unknown=0, NotChecked=0, Total=702 [2020-09-21 11:09:33,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2020-09-21 11:09:33,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 441. [2020-09-21 11:09:33,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-09-21 11:09:33,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 501 transitions. [2020-09-21 11:09:33,245 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 501 transitions. Word has length 93 [2020-09-21 11:09:33,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:09:33,246 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 501 transitions. [2020-09-21 11:09:33,246 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:09:33,246 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 501 transitions. [2020-09-21 11:09:33,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-09-21 11:09:33,248 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:09:33,248 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, 1] [2020-09-21 11:09:33,248 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:09:33,248 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:09:33,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:09:33,249 INFO L82 PathProgramCache]: Analyzing trace with hash -412136482, now seen corresponding path program 1 times [2020-09-21 11:09:33,249 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:09:33,249 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1679465990] [2020-09-21 11:09:33,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:09:33,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:33,304 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:33,304 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:33,305 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:33,305 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:33,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-09-21 11:09:33,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:33,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:09:33,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:33,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:09:33,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-09-21 11:09:33,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:09:33,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:33,587 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:09:33,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:09:33,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:33,597 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:33,598 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:33,598 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:33,598 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:33,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:33,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:33,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:33,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:33,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:33,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:33,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:33,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:33,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:09:33,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:33,627 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:33,627 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:33,627 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:33,628 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:33,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:33,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:33,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:33,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:33,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:33,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:33,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:33,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:33,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:09:33,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:33,631 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:33,631 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:33,632 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:33,632 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:33,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:33,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:33,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:33,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:33,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:33,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:33,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:33,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:33,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:09:33,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:33,635 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:33,636 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:33,636 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:33,636 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:33,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:33,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:33,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:33,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:33,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:33,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:33,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:33,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:33,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:09:33,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:33,640 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:33,640 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:33,640 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:33,640 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:33,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:33,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:33,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:33,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:33,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:33,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:33,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:33,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:33,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:09:33,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:33,658 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:33,658 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:33,659 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:33,659 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:33,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:33,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:33,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:33,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:33,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:33,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:33,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:33,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:33,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:09:33,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:33,669 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:33,670 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:33,670 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:33,670 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:33,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:33,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:33,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:33,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:33,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:33,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:33,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:33,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:33,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:09:33,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:33,691 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:33,692 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:33,692 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:33,692 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:33,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-09-21 11:09:33,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:33,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:09:33,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:33,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:09:33,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:09:33,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:09:33,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:33,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:33,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:33,712 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:33,713 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:33,713 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:33,713 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:33,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:09:33,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:33,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:09:33,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:33,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:09:33,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 11:09:33,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:09:33,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:33,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:33,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:33,733 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:33,733 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:33,733 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:33,733 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:33,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:09:33,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:33,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:09:33,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:33,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:09:33,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-21 11:09:33,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:09:33,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:33,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:33,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:33,784 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:33,784 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:33,785 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:33,785 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:33,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:09:33,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:33,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:09:33,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:33,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:09:33,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:33,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:09:33,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:33,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:33,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:33,820 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:33,820 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:33,820 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:33,820 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:33,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:09:33,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:33,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:33,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:33,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:33,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:33,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:33,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:33,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:09:33,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:33,830 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:33,831 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:33,831 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:33,831 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:33,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:09:33,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:33,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:33,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:33,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:33,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:09:33,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:33,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:33,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:33,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:33,845 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:33,846 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:33,846 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:33,846 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:33,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:09:33,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:33,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:09:33,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:33,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:33,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:33,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:33,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:33,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:33,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:33,854 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:33,854 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:33,854 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:33,855 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:33,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:33,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:33,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:33,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:33,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:33,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:33,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:33,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:33,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:09:33,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:33,861 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:33,861 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:33,862 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:33,862 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:33,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:33,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:33,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:33,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:33,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:33,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:33,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:33,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:33,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-09-21 11:09:33,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:33,871 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:33,871 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:33,871 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:33,871 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:33,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:33,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:33,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:33,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:33,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:33,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:33,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:33,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:33,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-21 11:09:33,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:33,875 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:33,876 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:33,876 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:33,876 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:33,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:33,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:33,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:33,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:33,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:33,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:33,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:33,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:33,893 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 11:09:33,893 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1679465990] [2020-09-21 11:09:33,894 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:09:33,894 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 11:09:33,894 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191970897] [2020-09-21 11:09:33,895 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:09:33,895 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:09:33,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:09:33,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:09:33,896 INFO L87 Difference]: Start difference. First operand 441 states and 501 transitions. Second operand 10 states. [2020-09-21 11:09:35,262 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:09:35,663 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 11:09:35,932 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:09:36,265 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 11:09:37,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:09:37,909 INFO L93 Difference]: Finished difference Result 977 states and 1216 transitions. [2020-09-21 11:09:37,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-21 11:09:37,910 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 109 [2020-09-21 11:09:37,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:09:37,914 INFO L225 Difference]: With dead ends: 977 [2020-09-21 11:09:37,914 INFO L226 Difference]: Without dead ends: 564 [2020-09-21 11:09:37,917 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-09-21 11:09:37,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-09-21 11:09:38,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 451. [2020-09-21 11:09:38,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2020-09-21 11:09:38,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 511 transitions. [2020-09-21 11:09:38,058 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 511 transitions. Word has length 109 [2020-09-21 11:09:38,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:09:38,059 INFO L479 AbstractCegarLoop]: Abstraction has 451 states and 511 transitions. [2020-09-21 11:09:38,059 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:09:38,059 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 511 transitions. [2020-09-21 11:09:38,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-09-21 11:09:38,065 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:09:38,065 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, 1] [2020-09-21 11:09:38,065 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:09:38,066 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:09:38,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:09:38,066 INFO L82 PathProgramCache]: Analyzing trace with hash 1527025564, now seen corresponding path program 1 times [2020-09-21 11:09:38,066 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:09:38,066 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [279197632] [2020-09-21 11:09:38,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:09:38,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:38,123 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:09:38,123 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -66 [2020-09-21 11:09:38,123 FATAL L256 erpolLogProxyWrapper]: Difference in width: 66 [2020-09-21 11:09:38,123 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:38,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-09-21 11:09:38,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:38,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:09:38,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:38,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:09:38,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-09-21 11:09:38,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:38,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:38,470 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:09:38,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:09:38,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:38,480 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:38,481 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:38,481 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:38,482 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:38,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:38,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:38,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:38,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:38,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:38,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:38,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:38,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:38,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:09:38,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:38,529 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:38,529 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:38,530 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:38,530 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:38,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:38,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:38,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:38,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:38,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:38,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:38,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:38,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:38,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:09:38,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:38,535 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:38,535 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:38,536 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:38,536 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:38,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:38,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:38,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:38,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:38,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:38,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:38,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:38,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:38,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:09:38,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:38,541 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:38,541 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:38,541 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:38,542 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:38,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:38,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:38,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:38,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:38,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:38,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:38,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:38,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:38,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:09:38,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:38,547 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:38,548 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:38,548 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:38,548 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:38,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:38,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:38,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:38,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:38,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:38,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:38,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:38,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:38,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:09:38,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:38,560 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:38,561 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:38,561 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:38,561 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:38,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:38,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:38,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:38,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:38,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:38,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:38,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:38,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:38,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:09:38,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:38,576 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:38,576 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:38,577 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:38,577 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:38,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:38,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:38,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:38,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:38,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:38,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:38,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:38,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:38,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:09:38,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:38,613 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:38,613 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:38,613 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:38,614 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:38,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-09-21 11:09:38,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:38,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-21 11:09:38,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:38,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:09:38,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-21 11:09:38,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:38,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:38,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:38,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:38,640 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:38,641 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:38,641 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:38,641 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:38,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:09:38,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:38,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:09:38,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:38,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:09:38,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 11:09:38,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:38,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:38,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:38,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:38,661 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:38,661 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:38,662 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:38,662 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:38,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:09:38,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:38,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:09:38,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:38,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:09:38,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:09:38,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:38,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:38,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:38,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:38,677 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:38,678 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:38,678 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:38,678 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:38,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:09:38,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:38,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:09:38,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:38,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:09:38,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:09:38,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:38,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:38,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:38,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:38,712 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:38,712 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:38,713 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:38,713 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:38,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:09:38,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:38,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:38,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:38,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:09:38,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:38,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:38,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:38,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:09:38,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:38,732 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:38,732 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:38,733 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:38,734 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:38,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:09:38,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:38,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:38,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:38,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:38,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:09:38,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:38,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:38,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:38,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:38,740 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:38,740 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:38,741 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:38,741 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:38,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:09:38,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:38,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:38,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:38,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:38,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:38,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:38,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:38,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:38,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:38,750 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:38,750 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:38,750 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:38,750 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:38,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:38,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:38,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:38,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:38,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:38,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:38,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:38,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:38,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:09:38,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:38,762 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:38,762 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:38,762 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:38,763 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:38,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:38,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:38,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:09:38,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:38,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:38,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:38,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:38,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:38,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-09-21 11:09:38,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:38,772 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:38,772 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:38,772 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:38,772 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:38,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:38,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:38,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:38,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:38,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:38,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:38,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:38,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:38,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-21 11:09:38,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:38,776 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:38,777 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:38,777 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:38,777 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:38,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:38,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:38,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:38,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:38,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:38,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:38,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:38,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:38,792 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 11:09:38,793 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [279197632] [2020-09-21 11:09:38,793 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:09:38,793 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:09:38,794 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559381428] [2020-09-21 11:09:38,794 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:09:38,796 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:09:38,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:09:38,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:09:38,798 INFO L87 Difference]: Start difference. First operand 451 states and 511 transitions. Second operand 9 states. [2020-09-21 11:09:39,802 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:09:40,135 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:09:40,450 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:09:41,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:09:41,871 INFO L93 Difference]: Finished difference Result 997 states and 1238 transitions. [2020-09-21 11:09:41,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 11:09:41,876 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 109 [2020-09-21 11:09:41,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:09:41,881 INFO L225 Difference]: With dead ends: 997 [2020-09-21 11:09:41,881 INFO L226 Difference]: Without dead ends: 574 [2020-09-21 11:09:41,883 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-09-21 11:09:41,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2020-09-21 11:09:41,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 459. [2020-09-21 11:09:41,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 459 states. [2020-09-21 11:09:41,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 519 transitions. [2020-09-21 11:09:41,974 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 519 transitions. Word has length 109 [2020-09-21 11:09:41,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:09:41,975 INFO L479 AbstractCegarLoop]: Abstraction has 459 states and 519 transitions. [2020-09-21 11:09:41,975 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:09:41,975 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 519 transitions. [2020-09-21 11:09:41,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-09-21 11:09:41,977 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:09:41,977 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, 1] [2020-09-21 11:09:41,978 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:09:41,978 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:09:41,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:09:41,978 INFO L82 PathProgramCache]: Analyzing trace with hash -1998771717, now seen corresponding path program 1 times [2020-09-21 11:09:41,979 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:09:41,979 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1981500671] [2020-09-21 11:09:41,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:09:42,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:42,272 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:42,272 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:42,273 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:42,273 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:42,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-09-21 11:09:42,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:42,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 248 [2020-09-21 11:09:42,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:42,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:09:42,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:42,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-21 11:09:42,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:42,592 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:09:42,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:09:42,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:42,664 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:42,664 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:42,664 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:42,664 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:42,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:42,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:42,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-21 11:09:42,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:42,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:42,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:42,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:09:42,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:42,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:09:42,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:42,701 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:42,701 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:42,701 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:42,701 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:42,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:42,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:42,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:42,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:42,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:42,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:42,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:09:42,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:42,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:09:42,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:42,706 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:42,706 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:42,706 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:42,707 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:42,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:42,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:42,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:42,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:42,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:42,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:42,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:09:42,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:42,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:09:42,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:42,711 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:42,711 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:42,711 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:42,712 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:42,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:42,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:42,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:42,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:42,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:42,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:42,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:42,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:42,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:09:42,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:42,718 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:42,718 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:42,718 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:42,718 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:42,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:42,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:42,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:42,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:42,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:42,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:42,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:09:42,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:42,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:09:42,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:42,732 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:42,732 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:42,733 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:42,733 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:42,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:42,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:42,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:42,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:42,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:42,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:42,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:42,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:42,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:09:42,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:42,746 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:42,746 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:42,747 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:42,748 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:42,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:42,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:42,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:42,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:42,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:42,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:42,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:42,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:42,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:09:42,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:42,773 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:42,773 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:42,773 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:42,774 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:42,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-09-21 11:09:42,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:42,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:42,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:42,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:42,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-21 11:09:42,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-21 11:09:42,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:42,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:42,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:42,805 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:42,806 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:42,806 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:42,806 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:42,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:09:42,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:42,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:09:42,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:42,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:42,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:42,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 11:09:42,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:42,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:42,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:42,834 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:42,834 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:42,835 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:42,835 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:42,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:09:42,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:42,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:42,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:42,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:42,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:42,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 11:09:42,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:42,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:42,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:42,865 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:42,865 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:42,865 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:42,866 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:42,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:09:42,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:42,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:42,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:42,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:42,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:42,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:09:42,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:42,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:42,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:42,883 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:42,883 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:42,883 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:42,883 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:42,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:09:42,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:42,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:42,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:42,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:42,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:42,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:09:42,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:42,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:09:42,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:42,900 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:42,900 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:42,901 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:42,901 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:42,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:09:42,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:42,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:42,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:42,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:42,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:42,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-21 11:09:42,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:42,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:42,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:42,914 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:42,914 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:42,914 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:42,915 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:42,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:09:42,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:42,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:09:42,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:42,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:42,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:42,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:42,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:42,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:42,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:42,921 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:42,921 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:42,922 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:42,922 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:42,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:42,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:42,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:42,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:42,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:42,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:42,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:42,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:42,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:09:42,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:42,928 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:42,928 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:42,928 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:42,928 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:42,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:42,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:42,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:42,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:42,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:42,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:42,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:42,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:42,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-09-21 11:09:42,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:42,939 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:42,939 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:42,939 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:42,939 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:42,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:42,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:42,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:42,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:42,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:42,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:42,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:42,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:42,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-21 11:09:42,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:42,952 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:42,952 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:42,952 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:42,953 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:42,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:42,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:42,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:09:42,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:42,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:42,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:42,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:42,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:42,973 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 11:09:42,974 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1981500671] [2020-09-21 11:09:42,974 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:09:42,974 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:09:42,975 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439639624] [2020-09-21 11:09:42,975 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:09:42,975 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:09:42,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:09:42,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:09:42,976 INFO L87 Difference]: Start difference. First operand 459 states and 519 transitions. Second operand 8 states. [2020-09-21 11:09:43,609 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:09:44,297 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:09:47,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:09:47,533 INFO L93 Difference]: Finished difference Result 1365 states and 1751 transitions. [2020-09-21 11:09:47,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-21 11:09:47,534 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 109 [2020-09-21 11:09:47,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:09:47,540 INFO L225 Difference]: With dead ends: 1365 [2020-09-21 11:09:47,540 INFO L226 Difference]: Without dead ends: 934 [2020-09-21 11:09:47,543 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 44 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=148, Invalid=404, Unknown=0, NotChecked=0, Total=552 [2020-09-21 11:09:47,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 934 states. [2020-09-21 11:09:47,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 934 to 789. [2020-09-21 11:09:47,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2020-09-21 11:09:47,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 921 transitions. [2020-09-21 11:09:47,699 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 921 transitions. Word has length 109 [2020-09-21 11:09:47,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:09:47,699 INFO L479 AbstractCegarLoop]: Abstraction has 789 states and 921 transitions. [2020-09-21 11:09:47,699 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:09:47,699 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 921 transitions. [2020-09-21 11:09:47,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-09-21 11:09:47,701 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:09:47,702 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, 1, 1, 1, 1, 1] [2020-09-21 11:09:47,702 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:09:47,702 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:09:47,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:09:47,703 INFO L82 PathProgramCache]: Analyzing trace with hash -1262789055, now seen corresponding path program 1 times [2020-09-21 11:09:47,703 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:09:47,703 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1602290599] [2020-09-21 11:09:47,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:09:47,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:47,761 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:09:47,761 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -38 [2020-09-21 11:09:47,762 FATAL L256 erpolLogProxyWrapper]: Difference in width: 38 [2020-09-21 11:09:47,762 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:47,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-09-21 11:09:47,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:47,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:09:47,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:47,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:09:47,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-09-21 11:09:47,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-09-21 11:09:47,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:48,071 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:09:48,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:09:48,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:48,080 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:48,080 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:48,080 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:48,080 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:48,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:48,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:48,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:48,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:48,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:48,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:48,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:48,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:48,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:09:48,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:48,120 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:48,120 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:48,120 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:48,121 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:48,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:48,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:48,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:48,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:48,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:48,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:48,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:48,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:48,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:09:48,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:48,126 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:48,126 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:48,127 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:48,127 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:48,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:48,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:48,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:48,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:48,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:48,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:48,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:48,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:48,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:09:48,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:48,132 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:48,132 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:48,133 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:48,133 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:48,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:48,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:48,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:48,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:48,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:48,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:48,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:48,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:48,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:09:48,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:48,137 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:48,138 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:48,138 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:48,138 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:48,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:48,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:48,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:48,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:48,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:48,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:48,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:48,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:48,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:09:48,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:48,158 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:48,158 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:48,159 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:48,159 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:48,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:48,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:48,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:48,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:48,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:48,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:48,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:48,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:48,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:09:48,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:48,176 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:48,177 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:48,177 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:48,178 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:48,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:48,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:48,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:48,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:48,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:48,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:48,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:48,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:48,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:09:48,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:48,198 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:48,199 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:48,199 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:48,199 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:48,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:48,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:48,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:48,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:48,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:48,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:48,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:09:48,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:48,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 11:09:48,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:48,234 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:48,235 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:48,235 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:48,235 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:48,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-09-21 11:09:48,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:48,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:09:48,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:48,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:09:48,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-09-21 11:09:48,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:09:48,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:48,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:48,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:48,285 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:48,285 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:48,286 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:48,286 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:48,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:09:48,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:48,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:09:48,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:48,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:09:48,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:48,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-21 11:09:48,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:48,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:48,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:48,330 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:48,330 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:48,330 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:48,331 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:48,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:09:48,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:48,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:09:48,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:48,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:09:48,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:48,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-21 11:09:48,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:48,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:48,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:48,341 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:48,342 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:48,342 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:48,342 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:48,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:09:48,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:48,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:48,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:48,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:48,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:48,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:48,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:48,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:48,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:48,348 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:48,348 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:48,349 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:48,349 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:48,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:09:48,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:48,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:48,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:48,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:48,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:48,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:48,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:48,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:09:48,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:48,373 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:48,374 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:48,374 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:48,375 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:48,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:09:48,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:48,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:09:48,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:48,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:09:48,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:48,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 11:09:48,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:48,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:48,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:48,426 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:48,427 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:48,427 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:48,428 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:48,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:09:48,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:48,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:09:48,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:48,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:09:48,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:48,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:09:48,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:48,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:48,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:48,488 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:48,488 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:48,489 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:48,489 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:48,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:48,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:48,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:09:48,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:48,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:09:48,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:48,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:09:48,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:48,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:09:48,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:48,519 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:48,520 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:48,520 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:48,520 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:48,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:48,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:48,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:48,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:48,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:48,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:48,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:48,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:48,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-09-21 11:09:48,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:48,534 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:48,534 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:48,535 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:48,535 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:48,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:48,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:48,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:48,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:48,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:48,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:48,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:48,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:48,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-21 11:09:48,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:48,541 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:48,541 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:48,541 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:48,542 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:48,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:48,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:48,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:48,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:48,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:48,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:48,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:48,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:48,575 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 11:09:48,576 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1602290599] [2020-09-21 11:09:48,576 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:09:48,576 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-21 11:09:48,577 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070508011] [2020-09-21 11:09:48,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-21 11:09:48,578 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:09:48,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-21 11:09:48,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:09:48,579 INFO L87 Difference]: Start difference. First operand 789 states and 921 transitions. Second operand 14 states. [2020-09-21 11:09:49,207 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:09:50,235 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:09:51,443 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:09:51,831 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:09:52,158 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:09:52,488 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:09:52,838 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:09:53,178 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:09:53,486 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:09:53,828 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:09:54,210 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:09:54,624 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:09:57,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:09:57,999 INFO L93 Difference]: Finished difference Result 1665 states and 2044 transitions. [2020-09-21 11:09:57,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-09-21 11:09:57,999 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 113 [2020-09-21 11:09:58,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:09:58,006 INFO L225 Difference]: With dead ends: 1665 [2020-09-21 11:09:58,006 INFO L226 Difference]: Without dead ends: 904 [2020-09-21 11:09:58,013 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 727 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=480, Invalid=1970, Unknown=0, NotChecked=0, Total=2450 [2020-09-21 11:09:58,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2020-09-21 11:09:58,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 768. [2020-09-21 11:09:58,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 768 states. [2020-09-21 11:09:58,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 768 states and 886 transitions. [2020-09-21 11:09:58,190 INFO L78 Accepts]: Start accepts. Automaton has 768 states and 886 transitions. Word has length 113 [2020-09-21 11:09:58,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:09:58,190 INFO L479 AbstractCegarLoop]: Abstraction has 768 states and 886 transitions. [2020-09-21 11:09:58,191 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-21 11:09:58,191 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 886 transitions. [2020-09-21 11:09:58,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-09-21 11:09:58,197 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:09:58,199 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, 1, 1, 1, 1, 1] [2020-09-21 11:09:58,199 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 11:09:58,200 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:09:58,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:09:58,200 INFO L82 PathProgramCache]: Analyzing trace with hash 1271659967, now seen corresponding path program 1 times [2020-09-21 11:09:58,201 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:09:58,201 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1558035113] [2020-09-21 11:09:58,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:09:58,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:58,297 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:09:58,297 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -134 [2020-09-21 11:09:58,298 FATAL L256 erpolLogProxyWrapper]: Difference in width: 134 [2020-09-21 11:09:58,298 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:58,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-09-21 11:09:58,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:58,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:09:58,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:58,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:09:58,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 160 [2020-09-21 11:09:58,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-09-21 11:09:58,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:58,582 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:09:58,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:09:58,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:58,589 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:58,589 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:58,589 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:58,589 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:58,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:58,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:58,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:58,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:58,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:58,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:58,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:58,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:58,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:09:58,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:58,616 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:58,616 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:58,616 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:58,617 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:58,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:58,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:58,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:58,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:58,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:58,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:58,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:58,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:58,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:09:58,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:58,620 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:58,620 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:58,621 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:58,621 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:58,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:58,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:58,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:58,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:58,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:58,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:58,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:58,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:58,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:09:58,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:58,625 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:58,625 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:58,625 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:58,626 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:58,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:58,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:58,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:58,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:58,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:58,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:58,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:58,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:58,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:09:58,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:58,631 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:58,631 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:58,631 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:58,631 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:58,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:58,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:58,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:58,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:58,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:58,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:58,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:58,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:58,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:09:58,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:58,643 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:58,643 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:58,643 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:58,643 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:58,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:58,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:58,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:58,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:58,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:58,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:58,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:58,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:09:58,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:09:58,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:58,658 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:58,658 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:58,658 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:58,659 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:58,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:58,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:58,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:58,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:58,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:58,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:58,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:58,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:58,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:09:58,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:58,681 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:58,681 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:58,681 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:58,682 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:58,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-21 11:09:58,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:58,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:58,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:58,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:58,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:58,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:58,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:58,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:58,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:58,717 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:58,718 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:58,719 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:58,719 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:58,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-09-21 11:09:58,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:58,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:58,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:58,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:58,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:58,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:58,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:58,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:58,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:58,734 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:58,734 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:58,734 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:58,735 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:58,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:09:58,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:58,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:58,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:58,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:58,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:58,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:58,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:58,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:58,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:58,745 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:58,745 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:58,745 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:58,746 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:58,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:09:58,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:58,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:58,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:58,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:58,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:58,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:58,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:58,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:58,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:58,754 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:58,754 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:58,755 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:58,755 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:58,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:09:58,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:58,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:58,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:58,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:58,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:58,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:58,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:58,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:58,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:58,763 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:58,763 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:58,763 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:58,763 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:58,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:09:58,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:58,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:58,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:58,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:58,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:58,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:58,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:58,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:09:58,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:58,769 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:58,769 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:58,770 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:58,770 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:58,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:09:58,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:58,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:58,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:58,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:58,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:58,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:58,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:58,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:58,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:58,777 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:58,777 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:58,778 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:58,778 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:58,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:09:58,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:58,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:58,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:58,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:58,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:58,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:58,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:58,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:58,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:58,784 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:58,784 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:58,784 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:58,784 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:58,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:58,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:58,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:58,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:58,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:58,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:58,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:58,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:58,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:09:58,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:58,789 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:58,789 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:58,790 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:58,790 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:58,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:58,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:58,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:58,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:58,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:58,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:58,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:58,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:58,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:09:58,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:58,797 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:58,797 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:58,797 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:58,798 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:58,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:09:58,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:58,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:58,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:58,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:58,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:58,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:58,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:58,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:58,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:58,802 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:58,803 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:58,803 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:58,803 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:58,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:58,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:58,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:58,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:58,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:58,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:58,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:58,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:58,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-09-21 11:09:58,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:58,825 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:58,825 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:58,825 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:58,825 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:58,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:58,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:58,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:58,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:58,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:58,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:58,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:09:58,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:58,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-09-21 11:09:58,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:58,832 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:58,832 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:58,833 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:58,833 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:58,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:58,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:58,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:58,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:58,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:58,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:58,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:58,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:58,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-21 11:09:58,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:58,849 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:58,849 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:58,850 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:58,850 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:58,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-09-21 11:09:58,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:58,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:09:58,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:58,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:09:58,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:09:58,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:09:58,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:58,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:58,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:58,920 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:58,920 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:58,920 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:58,921 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:58,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:09:58,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:58,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:09:58,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:58,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:09:58,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:58,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:09:58,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:59,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:59,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:59,022 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:59,023 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:59,023 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:59,023 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:59,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:59,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:59,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:09:59,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:59,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:09:59,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:59,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:09:59,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:59,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-21 11:09:59,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:59,051 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:59,051 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:59,052 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:59,052 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:59,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-21 11:09:59,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:59,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:59,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:59,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:59,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:59,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-21 11:09:59,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:59,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:59,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:59,059 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:59,059 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:59,060 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:59,060 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:59,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:09:59,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:59,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:59,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:59,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:59,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:59,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:59,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:59,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:59,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:59,065 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:59,065 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:59,065 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:59,066 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:59,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:59,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:59,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:59,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:59,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:59,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:59,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:59,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:59,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-21 11:09:59,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:59,071 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:59,071 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:59,071 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:59,071 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:59,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:09:59,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:59,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:59,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:59,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:59,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:59,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:59,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:59,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:59,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:59,075 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:59,075 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:59,075 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:59,076 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:59,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:59,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:59,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:59,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:59,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:59,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:59,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:59,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:59,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-09-21 11:09:59,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:59,081 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:59,081 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:59,081 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:59,081 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:59,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:59,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:59,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:59,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:59,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:59,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:59,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:59,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:59,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-09-21 11:09:59,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:59,096 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:59,096 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:59,097 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:59,097 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:59,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:59,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:59,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:09:59,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:59,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:59,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:59,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:59,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:59,131 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 11:09:59,132 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1558035113] [2020-09-21 11:09:59,132 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:09:59,132 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-21 11:09:59,133 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72078791] [2020-09-21 11:09:59,134 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-21 11:09:59,134 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:09:59,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-21 11:09:59,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:09:59,135 INFO L87 Difference]: Start difference. First operand 768 states and 886 transitions. Second operand 15 states. [2020-09-21 11:09:59,676 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 190