/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:49:00,530 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:49:00,534 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:49:00,561 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:49:00,561 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:49:00,562 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:49:00,564 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:49:00,565 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:49:00,567 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:49:00,568 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:49:00,569 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:49:00,570 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:49:00,571 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:49:00,572 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:49:00,573 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:49:00,574 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:49:00,575 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:49:00,576 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:49:00,578 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:49:00,580 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:49:00,582 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:49:00,583 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:49:00,585 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:49:00,591 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:49:00,593 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:49:00,594 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:49:00,596 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:49:00,597 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:49:00,597 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:49:00,602 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:49:00,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:49:00,603 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:49:00,603 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:49:00,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:49:00,607 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:49:00,608 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:49:00,608 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:49:00,609 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:49:00,609 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:49:00,611 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:49:00,612 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:49:00,613 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 [2020-09-24 15:49:00,658 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:49:00,659 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:49:00,661 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:49:00,661 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:49:00,661 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:49:00,661 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:49:00,662 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:49:00,662 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:49:00,662 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:49:00,662 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:49:00,663 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:49:00,663 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:49:00,664 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:49:00,664 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:49:00,664 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:49:00,664 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:49:00,665 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:49:00,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:49:00,665 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:49:00,665 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:49:00,666 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:49:00,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:49:00,666 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:49:00,666 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:49:00,666 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:49:00,666 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:49:00,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:49:00,667 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:49:00,667 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:49:00,667 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;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; [2020-09-24 15:49:01,147 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:49:01,167 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:49:01,172 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:49:01,175 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:49:01,176 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:49:01,177 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product24.cil.c [2020-09-24 15:49:01,269 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/78d760cdc/8d04ee152ad74f7298d33318055b9deb/FLAG960c60c9b [2020-09-24 15:49:01,906 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:49:01,906 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product24.cil.c [2020-09-24 15:49:01,921 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/78d760cdc/8d04ee152ad74f7298d33318055b9deb/FLAG960c60c9b [2020-09-24 15:49:02,154 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/78d760cdc/8d04ee152ad74f7298d33318055b9deb [2020-09-24 15:49:02,165 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:49:02,171 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:49:02,172 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:49:02,172 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:49:02,176 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:49:02,177 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:49:02" (1/1) ... [2020-09-24 15:49:02,181 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a69fec5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:49:02, skipping insertion in model container [2020-09-24 15:49:02,182 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:49:02" (1/1) ... [2020-09-24 15:49:02,191 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:49:02,249 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:49:02,619 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:49:02,723 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:49:02,809 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:49:02,862 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:49:02,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:49:02 WrapperNode [2020-09-24 15:49:02,864 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:49:02,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:49:02,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:49:02,865 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:49:02,880 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:49:02" (1/1) ... [2020-09-24 15:49:02,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:49:02" (1/1) ... [2020-09-24 15:49:02,901 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:49:02" (1/1) ... [2020-09-24 15:49:02,902 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:49:02" (1/1) ... [2020-09-24 15:49:02,932 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:49:02" (1/1) ... [2020-09-24 15:49:02,942 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:49:02" (1/1) ... [2020-09-24 15:49:02,948 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:49:02" (1/1) ... [2020-09-24 15:49:02,957 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:49:02,957 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:49:02,957 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:49:02,958 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:49:02,959 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:49:02" (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 [2020-09-24 15:49:03,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:49:03,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:49:03,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:49:03,041 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:49:03,042 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:49:03,042 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:49:03,042 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:49:03,042 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:49:03,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:49:03,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:49:03,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:49:03,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:49:03,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:49:03,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:49:03,044 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:49:03,044 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:49:03,044 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 15:49:03,044 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-24 15:49:03,044 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:49:03,045 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:49:03,045 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:49:03,045 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:49:03,045 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:49:03,046 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:49:03,046 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 15:49:03,046 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 15:49:03,046 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 15:49:03,046 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:49:03,046 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:49:03,047 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:49:03,047 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:49:03,047 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:49:03,047 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:49:03,047 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 15:49:03,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-24 15:49:03,048 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:49:03,048 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:49:03,048 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:49:03,048 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:49:03,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:49:03,048 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:49:03,049 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:49:03,049 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:49:03,049 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:49:03,049 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:49:03,049 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:49:03,049 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:49:03,049 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:49:03,050 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:49:03,050 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:49:03,050 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:49:03,050 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:49:03,050 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:49:03,050 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:49:03,051 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:49:03,051 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:49:03,051 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:49:03,051 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:49:03,051 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:49:03,052 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:49:03,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:49:03,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:49:03,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:49:03,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:49:03,052 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:49:03,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:49:03,053 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:49:03,053 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:49:03,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:49:03,053 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:49:03,053 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:49:03,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:49:03,054 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:49:03,054 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 15:49:03,054 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 15:49:03,054 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:49:03,054 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:49:03,054 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:49:03,055 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 15:49:03,055 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:49:03,055 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:49:03,055 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:49:03,055 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-24 15:49:03,055 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:49:03,056 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 15:49:03,056 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 15:49:03,056 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-24 15:49:03,056 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:49:03,056 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:49:03,056 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:49:03,056 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:49:03,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:49:03,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:49:03,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:49:04,193 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:49:04,193 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:49:04,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:49:04 BoogieIcfgContainer [2020-09-24 15:49:04,200 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:49:04,202 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:49:04,202 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:49:04,205 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:49:04,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:49:02" (1/3) ... [2020-09-24 15:49:04,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@543e493e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:49:04, skipping insertion in model container [2020-09-24 15:49:04,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:49:02" (2/3) ... [2020-09-24 15:49:04,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@543e493e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:49:04, skipping insertion in model container [2020-09-24 15:49:04,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:49:04" (3/3) ... [2020-09-24 15:49:04,210 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product24.cil.c [2020-09-24 15:49:04,221 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:49:04,233 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:49:04,257 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:49:04,292 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:49:04,293 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:49:04,293 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:49:04,293 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:49:04,293 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:49:04,294 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:49:04,294 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:49:04,294 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:49:04,326 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states. [2020-09-24 15:49:04,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-24 15:49:04,347 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:49:04,349 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:49:04,349 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:49:04,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:49:04,358 INFO L82 PathProgramCache]: Analyzing trace with hash -55902763, now seen corresponding path program 1 times [2020-09-24 15:49:04,371 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:49:04,371 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2039852805] [2020-09-24 15:49:04,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:49:04,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:04,713 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:04,713 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:04,713 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:04,714 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:04,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-24 15:49:04,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:04,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:49:04,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:04,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:04,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-24 15:49:04,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:04,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:49:05,212 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:49:05,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:49:05,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:05,273 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:05,273 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:05,273 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:05,274 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:05,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:49:05,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:05,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:49:05,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:05,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:05,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:05,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:05,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:49:05,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:49:05,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:05,353 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:05,353 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:05,353 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:05,354 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:05,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:49:05,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:05,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:05,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:05,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:05,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:05,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:05,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:05,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:49:05,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:05,359 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:05,359 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:05,359 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:05,359 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:05,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:49:05,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:05,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:05,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:05,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:05,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:05,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:05,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:49:05,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:49:05,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:05,365 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:05,365 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:05,365 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:05,366 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:05,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:49:05,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:05,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:05,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:05,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:05,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:05,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:05,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:05,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:49:05,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:05,371 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:05,372 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:05,372 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:05,372 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:05,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:49:05,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:05,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:05,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:05,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:05,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:05,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:05,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:05,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:49:05,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:05,377 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:05,378 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:05,378 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:05,378 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:05,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:49:05,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:05,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:05,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:05,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:05,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:49:05,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:05,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:05,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:49:05,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:05,384 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:05,385 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:05,385 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:05,385 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:05,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:49:05,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:05,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:05,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:05,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:05,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:49:05,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:05,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:05,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:49:05,414 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2039852805] [2020-09-24 15:49:05,417 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:49:05,417 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 15:49:05,418 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121703599] [2020-09-24 15:49:05,425 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 15:49:05,426 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:49:05,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 15:49:05,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 15:49:05,447 INFO L87 Difference]: Start difference. First operand 310 states. Second operand 3 states. [2020-09-24 15:49:06,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:49:06,844 INFO L93 Difference]: Finished difference Result 488 states and 583 transitions. [2020-09-24 15:49:06,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 15:49:06,846 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-24 15:49:06,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:49:06,884 INFO L225 Difference]: With dead ends: 488 [2020-09-24 15:49:06,885 INFO L226 Difference]: Without dead ends: 303 [2020-09-24 15:49:06,899 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 15:49:06,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-09-24 15:49:07,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 259. [2020-09-24 15:49:07,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2020-09-24 15:49:07,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 282 transitions. [2020-09-24 15:49:07,023 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 282 transitions. Word has length 142 [2020-09-24 15:49:07,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:49:07,025 INFO L479 AbstractCegarLoop]: Abstraction has 259 states and 282 transitions. [2020-09-24 15:49:07,026 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 15:49:07,027 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 282 transitions. [2020-09-24 15:49:07,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-24 15:49:07,045 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:49:07,045 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:49:07,045 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:49:07,045 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:49:07,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:49:07,051 INFO L82 PathProgramCache]: Analyzing trace with hash -2092667990, now seen corresponding path program 1 times [2020-09-24 15:49:07,051 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:49:07,052 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1631925084] [2020-09-24 15:49:07,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:49:07,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:07,168 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:07,168 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:07,169 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:07,169 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:07,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-24 15:49:07,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:07,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:49:07,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:07,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:49:07,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-24 15:49:07,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:49:07,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:07,525 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:49:07,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:49:07,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:07,540 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:07,541 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:07,541 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:07,541 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:07,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:49:07,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:07,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:07,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:07,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:07,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:07,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:07,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:49:07,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:49:07,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:07,596 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:07,596 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:07,596 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:07,597 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:07,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:49:07,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:07,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:07,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:07,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:07,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:07,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:07,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:49:07,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:49:07,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:07,602 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:07,602 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:07,602 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:07,602 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:07,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:49:07,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:07,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:07,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:07,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:07,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:07,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:07,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:49:07,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:49:07,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:07,607 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:07,608 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:07,608 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:07,608 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:07,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:49:07,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:07,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:07,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:07,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:07,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:07,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:07,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:49:07,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:49:07,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:07,614 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:07,614 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:07,614 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:07,664 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:07,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:49:07,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:07,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-24 15:49:07,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:07,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:07,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:07,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:07,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:07,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:49:07,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:07,671 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:07,671 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:07,671 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:07,672 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:07,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:49:07,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:07,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:07,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:07,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:07,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:49:07,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:07,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:07,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-24 15:49:07,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:07,677 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:07,677 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:07,677 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:07,677 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:07,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:49:07,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:07,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:07,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:07,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:07,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:49:07,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:07,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:07,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:49:07,703 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1631925084] [2020-09-24 15:49:07,704 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:49:07,704 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:49:07,704 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395610551] [2020-09-24 15:49:07,707 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:49:07,707 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:49:07,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:49:07,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:49:07,708 INFO L87 Difference]: Start difference. First operand 259 states and 282 transitions. Second operand 4 states. [2020-09-24 15:49:08,356 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:49:09,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:49:09,428 INFO L93 Difference]: Finished difference Result 395 states and 446 transitions. [2020-09-24 15:49:09,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 15:49:09,429 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-24 15:49:09,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:49:09,434 INFO L225 Difference]: With dead ends: 395 [2020-09-24 15:49:09,435 INFO L226 Difference]: Without dead ends: 286 [2020-09-24 15:49:09,436 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:49:09,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-09-24 15:49:09,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 249. [2020-09-24 15:49:09,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2020-09-24 15:49:09,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 269 transitions. [2020-09-24 15:49:09,498 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 269 transitions. Word has length 143 [2020-09-24 15:49:09,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:49:09,499 INFO L479 AbstractCegarLoop]: Abstraction has 249 states and 269 transitions. [2020-09-24 15:49:09,499 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:49:09,499 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 269 transitions. [2020-09-24 15:49:09,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-24 15:49:09,502 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:49:09,502 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:49:09,503 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:49:09,503 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:49:09,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:49:09,503 INFO L82 PathProgramCache]: Analyzing trace with hash -747836850, now seen corresponding path program 1 times [2020-09-24 15:49:09,504 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:49:09,504 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [980377891] [2020-09-24 15:49:09,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:49:09,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:09,586 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:49:09,586 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -42 [2020-09-24 15:49:09,586 FATAL L256 erpolLogProxyWrapper]: Difference in width: 42 [2020-09-24 15:49:09,587 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:09,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-09-24 15:49:09,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:09,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:49:09,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:09,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:49:09,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-24 15:49:09,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:49:09,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:09,919 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:49:09,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:49:09,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:09,937 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:09,937 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:09,943 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:09,943 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:09,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:49:09,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:09,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:49:09,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:09,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:09,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:09,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:09,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:09,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:49:09,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:09,996 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:09,996 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:09,996 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:09,997 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:09,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:49:09,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:09,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:09,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:09,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:09,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:09,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:09,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:10,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:49:10,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:10,001 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:10,002 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:10,002 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:10,002 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:10,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:49:10,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:10,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:10,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:10,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:10,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:10,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:10,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:10,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:49:10,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:10,006 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:10,007 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:10,007 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:10,007 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:10,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:49:10,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:10,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:10,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:10,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:10,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:10,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:10,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:49:10,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:49:10,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:10,015 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:10,015 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:10,016 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:10,017 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:10,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:49:10,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:10,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:10,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:10,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:10,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:10,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:10,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:10,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-24 15:49:10,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:10,034 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:10,034 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:10,035 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:10,035 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:10,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:49:10,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:10,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:49:10,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:10,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:49:10,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:10,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:49:10,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:49:10,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:49:10,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:10,047 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:10,047 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:10,047 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:10,048 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:10,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:49:10,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:10,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:10,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:10,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:10,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:49:10,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:10,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:49:10,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:49:10,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:10,054 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:10,055 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:10,055 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:10,055 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:10,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:49:10,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:10,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:10,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:10,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:10,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:49:10,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:10,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:49:10,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:49:10,106 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [980377891] [2020-09-24 15:49:10,106 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:49:10,106 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:49:10,107 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825719442] [2020-09-24 15:49:10,109 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:49:10,109 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:49:10,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:49:10,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:49:10,110 INFO L87 Difference]: Start difference. First operand 249 states and 269 transitions. Second operand 5 states. [2020-09-24 15:49:10,763 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:49:12,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:49:12,747 INFO L93 Difference]: Finished difference Result 597 states and 694 transitions. [2020-09-24 15:49:12,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:49:12,748 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2020-09-24 15:49:12,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:49:12,752 INFO L225 Difference]: With dead ends: 597 [2020-09-24 15:49:12,752 INFO L226 Difference]: Without dead ends: 458 [2020-09-24 15:49:12,754 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:49:12,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2020-09-24 15:49:12,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 378. [2020-09-24 15:49:12,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 378 states. [2020-09-24 15:49:12,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 419 transitions. [2020-09-24 15:49:12,842 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 419 transitions. Word has length 156 [2020-09-24 15:49:12,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:49:12,844 INFO L479 AbstractCegarLoop]: Abstraction has 378 states and 419 transitions. [2020-09-24 15:49:12,844 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:49:12,844 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 419 transitions. [2020-09-24 15:49:12,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-24 15:49:12,847 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:49:12,847 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:49:12,847 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:49:12,848 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:49:12,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:49:12,848 INFO L82 PathProgramCache]: Analyzing trace with hash 2002058177, now seen corresponding path program 1 times [2020-09-24 15:49:12,848 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:49:12,849 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1869056451] [2020-09-24 15:49:12,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:49:12,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:12,983 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:49:12,984 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:12,984 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:12,984 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:12,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-24 15:49:12,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:12,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-09-24 15:49:12,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:12,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 15:49:12,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 15:49:12,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-24 15:49:12,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:13,382 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:49:13,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:49:13,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:13,421 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:13,421 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:13,421 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:13,422 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:13,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:49:13,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:13,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:13,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:13,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:49:13,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:13,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 15:49:13,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:13,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:49:13,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:13,468 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:13,468 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:13,468 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:13,468 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:13,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:49:13,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:13,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:13,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:13,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:49:13,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:13,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:49:13,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:13,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:49:13,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:13,473 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:13,473 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:13,473 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:13,474 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:13,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:49:13,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:13,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:13,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:13,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:49:13,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:13,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:49:13,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:13,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:49:13,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:13,479 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:13,479 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:13,479 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:13,480 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:13,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:49:13,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:13,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:13,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:13,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:49:13,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:13,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:49:13,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:13,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:49:13,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:13,485 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:13,486 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:13,486 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:13,486 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:13,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:49:13,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:13,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:13,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:13,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:49:13,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:13,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:49:13,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:13,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-24 15:49:13,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:13,502 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:13,503 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:13,503 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:13,503 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:13,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:49:13,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:13,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:13,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:13,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:49:13,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:13,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:49:13,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:13,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 15:49:13,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:13,511 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:13,512 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:13,512 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:13,512 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:13,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:49:13,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:13,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:49:13,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:13,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:49:13,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:13,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:49:13,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:13,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 15:49:13,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:13,537 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:13,537 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:13,538 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:13,538 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:13,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:49:13,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:13,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:13,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:13,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:13,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:49:13,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:13,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:13,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:49:13,582 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1869056451] [2020-09-24 15:49:13,582 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:49:13,583 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 15:49:13,583 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587479598] [2020-09-24 15:49:13,584 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 15:49:13,584 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:49:13,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 15:49:13,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:49:13,585 INFO L87 Difference]: Start difference. First operand 378 states and 419 transitions. Second operand 9 states. [2020-09-24 15:49:14,256 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:49:15,813 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:49:16,217 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:49:16,650 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:49:16,979 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:49:17,323 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:49:17,645 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:49:17,950 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:49:19,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:49:19,128 INFO L93 Difference]: Finished difference Result 1000 states and 1195 transitions. [2020-09-24 15:49:19,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 15:49:19,128 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2020-09-24 15:49:19,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:49:19,134 INFO L225 Difference]: With dead ends: 1000 [2020-09-24 15:49:19,134 INFO L226 Difference]: Without dead ends: 732 [2020-09-24 15:49:19,136 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-09-24 15:49:19,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2020-09-24 15:49:19,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 637. [2020-09-24 15:49:19,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 637 states. [2020-09-24 15:49:19,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 727 transitions. [2020-09-24 15:49:19,245 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 727 transitions. Word has length 161 [2020-09-24 15:49:19,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:49:19,246 INFO L479 AbstractCegarLoop]: Abstraction has 637 states and 727 transitions. [2020-09-24 15:49:19,246 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 15:49:19,246 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 727 transitions. [2020-09-24 15:49:19,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-09-24 15:49:19,250 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:49:19,250 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:49:19,250 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:49:19,251 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:49:19,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:49:19,251 INFO L82 PathProgramCache]: Analyzing trace with hash -1123013044, now seen corresponding path program 1 times [2020-09-24 15:49:19,251 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:49:19,252 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [183519678] [2020-09-24 15:49:19,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:49:19,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:19,350 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:19,351 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:19,351 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:19,351 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:19,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-09-24 15:49:19,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:19,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-24 15:49:19,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:19,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:49:19,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 15:49:19,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-09-24 15:49:19,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:19,672 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:49:19,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:49:19,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:19,717 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:19,717 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:19,718 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:19,718 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:19,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:49:19,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:19,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:49:19,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:19,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:49:19,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:19,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 15:49:19,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:49:19,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:49:19,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:19,776 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:19,776 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:19,777 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:19,777 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:19,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:49:19,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:19,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:19,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:19,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:49:19,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:19,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:49:19,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:49:19,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:49:19,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:19,783 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:19,783 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:19,783 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:19,783 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:19,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:49:19,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:19,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:19,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:19,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:49:19,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:19,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:49:19,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:49:19,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:49:19,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:19,789 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:19,789 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:19,790 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:19,790 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:19,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:49:19,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:19,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:19,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:19,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:49:19,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:19,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:49:19,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:19,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:49:19,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:19,796 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:19,796 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:19,797 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:19,797 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:19,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:49:19,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:19,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:49:19,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:19,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:49:19,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:19,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:49:19,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:49:19,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:49:19,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:19,835 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:19,836 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:19,836 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:19,836 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:19,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:49:19,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:19,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:49:19,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:19,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:49:19,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:49:19,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:49:19,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:19,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-24 15:49:19,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:19,907 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:19,908 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:19,908 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:19,908 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:19,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:49:19,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:19,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:19,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:19,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:49:19,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:19,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:49:19,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:19,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:49:19,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:19,918 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:19,918 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:19,919 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:19,919 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:19,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:49:19,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:19,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:49:19,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:19,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:49:19,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:19,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:49:19,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:49:19,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-24 15:49:19,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:19,961 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:19,962 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:19,962 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:19,963 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:19,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:49:19,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:19,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:19,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:19,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:19,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:49:19,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:19,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:20,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:49:20,031 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [183519678] [2020-09-24 15:49:20,032 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:49:20,032 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-24 15:49:20,032 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677786313] [2020-09-24 15:49:20,033 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 15:49:20,033 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:49:20,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 15:49:20,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-09-24 15:49:20,035 INFO L87 Difference]: Start difference. First operand 637 states and 727 transitions. Second operand 12 states. [2020-09-24 15:49:20,613 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:49:22,010 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:49:22,290 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:49:22,713 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:49:23,071 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:49:23,372 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:49:23,733 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:49:24,025 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:49:24,631 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:49:26,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:49:26,566 INFO L93 Difference]: Finished difference Result 1377 states and 1691 transitions. [2020-09-24 15:49:26,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-24 15:49:26,566 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 166 [2020-09-24 15:49:26,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:49:26,576 INFO L225 Difference]: With dead ends: 1377 [2020-09-24 15:49:26,576 INFO L226 Difference]: Without dead ends: 1083 [2020-09-24 15:49:26,579 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=175, Invalid=581, Unknown=0, NotChecked=0, Total=756 [2020-09-24 15:49:26,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1083 states. [2020-09-24 15:49:26,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1083 to 864. [2020-09-24 15:49:26,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 864 states. [2020-09-24 15:49:26,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 864 states and 990 transitions. [2020-09-24 15:49:26,733 INFO L78 Accepts]: Start accepts. Automaton has 864 states and 990 transitions. Word has length 166 [2020-09-24 15:49:26,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:49:26,734 INFO L479 AbstractCegarLoop]: Abstraction has 864 states and 990 transitions. [2020-09-24 15:49:26,734 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-24 15:49:26,734 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 990 transitions. [2020-09-24 15:49:26,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-09-24 15:49:26,739 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:49:26,740 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:49:26,740 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:49:26,740 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:49:26,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:49:26,740 INFO L82 PathProgramCache]: Analyzing trace with hash -1983450976, now seen corresponding path program 1 times [2020-09-24 15:49:26,741 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:49:26,741 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [775428369] [2020-09-24 15:49:26,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:49:26,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:26,843 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:26,843 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:26,844 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:26,844 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:26,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-09-24 15:49:26,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:26,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-24 15:49:26,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:26,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:49:26,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-24 15:49:26,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-24 15:49:26,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:27,170 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:49:27,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:49:27,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:27,207 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:27,207 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:27,207 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:27,207 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:27,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:49:27,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:27,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:27,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:27,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:49:27,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:27,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:49:27,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:27,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:49:27,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:27,251 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:27,251 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:27,252 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:27,252 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:27,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:49:27,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:27,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:27,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:27,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:49:27,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:27,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:49:27,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:27,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:49:27,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:27,257 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:27,257 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:27,257 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:27,258 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:27,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:49:27,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:27,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:27,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:27,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:49:27,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:27,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:49:27,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:27,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:49:27,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:27,263 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:27,263 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:27,263 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:27,263 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:27,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:49:27,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:27,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:27,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:27,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:49:27,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:27,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:49:27,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:27,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:49:27,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:27,269 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:27,269 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:27,269 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:27,269 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:27,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:49:27,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:27,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:27,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:27,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:49:27,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:27,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:49:27,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:27,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-24 15:49:27,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:27,288 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:27,289 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:27,289 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:27,289 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:27,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:49:27,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:27,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:27,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:27,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:49:27,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:27,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:49:27,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:27,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 15:49:27,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:27,303 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:27,303 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:27,304 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:27,304 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:27,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:49:27,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:27,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:27,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:27,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:27,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:49:27,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:27,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:49:27,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:49:27,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:27,310 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:27,310 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:27,310 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:27,310 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:27,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:49:27,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:27,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:27,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:27,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:27,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:49:27,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:27,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:49:27,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-24 15:49:27,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:27,316 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:27,316 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:27,316 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:27,316 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:27,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:49:27,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:27,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:27,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:27,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:27,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:49:27,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:27,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:27,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:49:27,421 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [775428369] [2020-09-24 15:49:27,421 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:49:27,421 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 15:49:27,422 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366196511] [2020-09-24 15:49:27,422 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 15:49:27,423 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:49:27,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 15:49:27,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 15:49:27,423 INFO L87 Difference]: Start difference. First operand 864 states and 990 transitions. Second operand 6 states. [2020-09-24 15:49:27,930 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:49:28,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:49:28,891 INFO L93 Difference]: Finished difference Result 1201 states and 1428 transitions. [2020-09-24 15:49:28,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 15:49:28,892 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 166 [2020-09-24 15:49:28,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:49:28,894 INFO L225 Difference]: With dead ends: 1201 [2020-09-24 15:49:28,894 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 15:49:28,899 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:49:28,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 15:49:28,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 15:49:28,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 15:49:28,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 15:49:28,901 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 166 [2020-09-24 15:49:28,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:49:28,901 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 15:49:28,901 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 15:49:28,901 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 15:49:28,901 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 15:49:28,902 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:49:28,905 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 15:49:29,847 WARN L193 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 216 [2020-09-24 15:49:30,005 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:49:30,163 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:49:30,326 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:49:30,490 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:49:30,655 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:49:30,834 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:49:31,002 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:49:31,164 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:49:31,333 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:49:31,499 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:49:32,309 WARN L193 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 216 [2020-09-24 15:49:32,477 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:49:32,631 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:49:32,784 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:49:32,935 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:49:33,287 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-24 15:49:33,612 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-24 15:49:33,943 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-09-24 15:49:34,208 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 15:49:34,447 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-24 15:49:34,774 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-09-24 15:49:35,109 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-09-24 15:49:35,327 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:49:35,482 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:49:35,637 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:49:35,797 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:49:36,107 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-09-24 15:49:36,412 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-09-24 15:49:36,716 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-24 15:49:37,016 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-24 15:49:37,320 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-09-24 15:49:37,460 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:49:37,626 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:49:37,782 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:49:37,936 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:49:38,094 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:49:38,248 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:49:38,396 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:49:38,557 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:49:38,715 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:49:38,871 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:49:39,030 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:49:39,183 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:49:39,332 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:49:39,494 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:49:39,651 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:49:39,812 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:49:39,970 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:49:40,139 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:49:40,289 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:49:40,446 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:49:40,601 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:49:40,753 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:49:41,514 WARN L193 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 216 [2020-09-24 15:49:41,671 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:49:41,851 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:49:42,018 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:49:42,178 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:49:42,333 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:49:42,486 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:49:42,635 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:49:42,791 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:49:42,949 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:49:43,100 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:49:43,258 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:49:43,412 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:49:44,182 WARN L193 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 216 [2020-09-24 15:49:44,770 WARN L193 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 200 [2020-09-24 15:49:44,926 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:49:45,088 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:49:45,242 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:49:45,396 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:49:45,545 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:49:45,710 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:49:46,471 WARN L193 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 216 [2020-09-24 15:49:46,629 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:49:47,119 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-24 15:49:47,590 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-24 15:49:47,942 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 193 [2020-09-24 15:49:48,216 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 190 [2020-09-24 15:49:48,540 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 189 [2020-09-24 15:49:48,893 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 193 [2020-09-24 15:49:49,250 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 193 [2020-09-24 15:49:49,415 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:49:49,572 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:49:49,722 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:49:49,874 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:49:50,027 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:49:50,195 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:49:50,371 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:49:50,525 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:49:50,683 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:49:50,836 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:49:50,993 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:49:51,151 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:49:51,299 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:49:51,465 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:49:51,749 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 19 [2020-09-24 15:49:52,141 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 11 [2020-09-24 15:49:52,358 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-09-24 15:49:52,595 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-09-24 15:49:52,890 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 19 [2020-09-24 15:49:53,273 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 11 [2020-09-24 15:49:53,768 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 14 [2020-09-24 15:49:54,253 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 11 [2020-09-24 15:49:54,656 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 12 [2020-09-24 15:49:54,915 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:49:55,145 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-09-24 15:49:55,471 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 14 [2020-09-24 15:49:55,653 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-09-24 15:49:55,896 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-09-24 15:49:56,250 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 12 [2020-09-24 15:49:56,524 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 19 [2020-09-24 15:49:56,974 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 11 [2020-09-24 15:49:57,169 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-09-24 15:49:57,448 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 19 [2020-09-24 15:49:57,558 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 19 [2020-09-24 15:49:57,780 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-09-24 15:49:58,178 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 11 [2020-09-24 15:49:58,399 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-09-24 15:49:58,683 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 19 [2020-09-24 15:49:58,926 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-09-24 15:49:59,370 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 14 [2020-09-24 15:49:59,588 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-09-24 15:49:59,780 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-09-24 15:50:00,216 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 15