/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 enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product58.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 05:23:26,433 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 05:23:26,438 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 05:23:26,483 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 05:23:26,484 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 05:23:26,492 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 05:23:26,494 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 05:23:26,498 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 05:23:26,500 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 05:23:26,503 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 05:23:26,504 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 05:23:26,505 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 05:23:26,506 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 05:23:26,509 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 05:23:26,512 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 05:23:26,513 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 05:23:26,515 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 05:23:26,517 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 05:23:26,519 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 05:23:26,527 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 05:23:26,530 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 05:23:26,531 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 05:23:26,532 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 05:23:26,533 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 05:23:26,545 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 05:23:26,545 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 05:23:26,546 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 05:23:26,554 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 05:23:26,555 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 05:23:26,556 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 05:23:26,556 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 05:23:26,557 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 05:23:26,558 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 05:23:26,559 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 05:23:26,560 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 05:23:26,560 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 05:23:26,561 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 05:23:26,561 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 05:23:26,561 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 05:23:26,562 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 05:23:26,563 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 05:23:26,564 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 [2020-09-25 05:23:26,589 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 05:23:26,590 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 05:23:26,591 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 05:23:26,591 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 05:23:26,591 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 05:23:26,592 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 05:23:26,592 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 05:23:26,592 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 05:23:26,592 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 05:23:26,592 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 05:23:26,593 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 05:23:26,593 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 05:23:26,593 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 05:23:26,593 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 05:23:26,593 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 05:23:26,594 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 05:23:26,594 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 05:23:26,594 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 05:23:26,594 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 05:23:26,594 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 05:23:26,595 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 05:23:26,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 05:23:26,595 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 05:23:26,595 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 05:23:26,595 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 05:23:26,596 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 05:23:26,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 05:23:26,596 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 05:23:26,596 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 05:23:26,596 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;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;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;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;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;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;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;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;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;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;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;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; [2020-09-25 05:23:27,111 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 05:23:27,127 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 05:23:27,133 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 05:23:27,135 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 05:23:27,136 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 05:23:27,137 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product58.cil.c [2020-09-25 05:23:27,231 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d777556f0/912bb41b7e85460893fc710ac6599ad6/FLAG81e5d734c [2020-09-25 05:23:27,891 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 05:23:27,892 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product58.cil.c [2020-09-25 05:23:27,908 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d777556f0/912bb41b7e85460893fc710ac6599ad6/FLAG81e5d734c [2020-09-25 05:23:28,148 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d777556f0/912bb41b7e85460893fc710ac6599ad6 [2020-09-25 05:23:28,160 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 05:23:28,166 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 05:23:28,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 05:23:28,167 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 05:23:28,171 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 05:23:28,173 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:23:28" (1/1) ... [2020-09-25 05:23:28,178 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11967da3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:23:28, skipping insertion in model container [2020-09-25 05:23:28,178 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:23:28" (1/1) ... [2020-09-25 05:23:28,187 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 05:23:28,241 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 05:23:28,743 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:23:28,768 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 05:23:28,846 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:23:28,886 INFO L208 MainTranslator]: Completed translation [2020-09-25 05:23:28,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:23:28 WrapperNode [2020-09-25 05:23:28,887 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 05:23:28,888 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 05:23:28,888 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 05:23:28,888 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 05:23:28,904 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:23:28" (1/1) ... [2020-09-25 05:23:28,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:23:28" (1/1) ... [2020-09-25 05:23:28,924 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:23:28" (1/1) ... [2020-09-25 05:23:28,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:23:28" (1/1) ... [2020-09-25 05:23:28,983 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:23:28" (1/1) ... [2020-09-25 05:23:28,995 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:23:28" (1/1) ... [2020-09-25 05:23:29,000 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:23:28" (1/1) ... [2020-09-25 05:23:29,009 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 05:23:29,009 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 05:23:29,010 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 05:23:29,010 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 05:23:29,011 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:23:28" (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 [2020-09-25 05:23:29,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 05:23:29,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 05:23:29,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 05:23:29,099 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 05:23:29,100 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 05:23:29,100 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 05:23:29,100 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 05:23:29,100 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 05:23:29,101 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 05:23:29,101 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 05:23:29,101 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 05:23:29,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 05:23:29,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 05:23:29,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 05:23:29,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 05:23:29,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 05:23:29,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 05:23:29,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 05:23:29,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 05:23:29,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 05:23:29,103 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 05:23:29,104 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 05:23:29,104 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 05:23:29,104 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 05:23:29,104 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 05:23:29,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 05:23:29,105 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 05:23:29,105 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 05:23:29,105 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 05:23:29,105 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 05:23:29,105 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 05:23:29,105 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 05:23:29,106 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 05:23:29,106 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 05:23:29,106 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 05:23:29,106 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 05:23:29,106 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 05:23:29,106 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 05:23:29,107 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 05:23:29,107 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 05:23:29,107 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 05:23:29,107 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 05:23:29,107 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 05:23:29,107 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 05:23:29,108 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 05:23:29,108 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 05:23:29,108 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 05:23:29,108 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 05:23:29,108 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 05:23:29,108 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 05:23:29,109 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 05:23:29,109 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 05:23:29,109 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 05:23:29,109 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 05:23:29,109 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 05:23:29,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 05:23:29,110 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 05:23:29,110 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 05:23:29,110 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 05:23:29,110 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 05:23:29,110 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 05:23:29,110 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 05:23:29,111 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 05:23:29,111 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 05:23:29,111 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 05:23:29,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 05:23:29,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 05:23:29,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 05:23:29,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 05:23:29,112 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 05:23:29,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 05:23:29,112 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 05:23:29,112 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 05:23:29,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 05:23:29,113 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 05:23:29,113 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 05:23:29,113 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 05:23:29,113 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 05:23:29,113 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 05:23:29,113 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 05:23:29,113 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 05:23:29,117 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 05:23:29,117 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 05:23:29,117 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 05:23:29,117 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 05:23:29,117 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 05:23:29,117 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 05:23:29,118 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 05:23:29,118 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 05:23:29,118 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 05:23:29,118 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 05:23:29,118 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 05:23:29,118 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 05:23:29,118 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 05:23:29,119 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 05:23:29,119 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 05:23:29,119 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 05:23:29,119 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 05:23:29,119 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 05:23:29,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 05:23:29,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 05:23:29,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 05:23:30,509 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 05:23:30,510 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 05:23:30,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:23:30 BoogieIcfgContainer [2020-09-25 05:23:30,518 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 05:23:30,519 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 05:23:30,519 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 05:23:30,523 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 05:23:30,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 05:23:28" (1/3) ... [2020-09-25 05:23:30,525 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@756d60b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:23:30, skipping insertion in model container [2020-09-25 05:23:30,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:23:28" (2/3) ... [2020-09-25 05:23:30,525 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@756d60b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:23:30, skipping insertion in model container [2020-09-25 05:23:30,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:23:30" (3/3) ... [2020-09-25 05:23:30,528 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product58.cil.c [2020-09-25 05:23:30,540 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 05:23:30,552 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 05:23:30,575 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 05:23:30,611 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 05:23:30,611 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 05:23:30,611 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 05:23:30,612 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 05:23:30,612 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 05:23:30,612 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 05:23:30,612 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 05:23:30,612 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 05:23:30,643 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states. [2020-09-25 05:23:30,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 05:23:30,663 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:23:30,665 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:23:30,665 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:23:30,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:23:30,674 INFO L82 PathProgramCache]: Analyzing trace with hash 797820518, now seen corresponding path program 1 times [2020-09-25 05:23:30,685 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:23:30,686 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [410745529] [2020-09-25 05:23:30,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:23:31,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:31,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:31,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:32,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:33,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:35,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:36,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:36,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 05:23:36,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 05:23:36,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-09-25 05:23:36,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:36,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:36,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:36,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-25 05:23:36,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:36,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 05:23:36,539 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:23:36,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:23:36,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:36,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:36,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:36,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:23:36,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:36,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 152 [2020-09-25 05:23:36,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:36,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:36,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:36,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:36,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:36,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:36,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:23:36,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:36,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:36,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:36,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:23:36,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:36,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 05:23:36,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:36,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:36,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:36,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:36,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:36,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:36,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:23:36,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:36,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:36,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:36,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:23:36,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:36,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:36,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:36,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:36,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:36,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:36,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:36,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:36,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:23:36,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:36,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:36,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:36,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:36,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:36,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 05:23:36,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:36,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:36,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:36,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:36,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:36,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:36,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:23:36,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:36,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:36,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:36,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:23:36,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:36,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:36,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:36,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:36,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:36,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:36,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:36,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:36,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:23:36,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:36,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:36,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:36,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:23:36,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:36,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:36,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:36,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:36,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:36,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:36,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:36,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:36,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 05:23:36,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:36,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:36,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:36,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 05:23:36,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:36,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:23:36,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:36,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:36,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:36,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 05:23:36,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:36,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:36,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:23:36,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:36,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:36,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:36,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:36,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:36,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:23:36,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:36,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:36,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:36,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:36,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:36,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 05:23:36,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 05:23:36,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:36,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:36,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:36,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:36,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:36,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:23:36,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:36,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:36,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:36,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:23:36,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:36,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:36,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 05:23:36,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:36,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:36,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:36,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:36,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:36,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:23:36,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:36,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:36,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:36,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:23:36,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:36,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:36,985 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 05:23:36,986 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [410745529] [2020-09-25 05:23:36,989 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:23:36,989 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 05:23:36,990 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706691367] [2020-09-25 05:23:37,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 05:23:37,004 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:23:37,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 05:23:37,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 05:23:37,027 INFO L87 Difference]: Start difference. First operand 351 states. Second operand 4 states. [2020-09-25 05:23:38,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:23:38,954 INFO L93 Difference]: Finished difference Result 563 states and 653 transitions. [2020-09-25 05:23:38,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 05:23:38,956 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-25 05:23:38,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:23:38,978 INFO L225 Difference]: With dead ends: 563 [2020-09-25 05:23:38,979 INFO L226 Difference]: Without dead ends: 348 [2020-09-25 05:23:38,985 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 05:23:39,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2020-09-25 05:23:39,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 300. [2020-09-25 05:23:39,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 300 states. [2020-09-25 05:23:39,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 325 transitions. [2020-09-25 05:23:39,117 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 325 transitions. Word has length 160 [2020-09-25 05:23:39,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:23:39,119 INFO L479 AbstractCegarLoop]: Abstraction has 300 states and 325 transitions. [2020-09-25 05:23:39,119 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 05:23:39,120 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 325 transitions. [2020-09-25 05:23:39,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 05:23:39,132 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:23:39,132 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:23:39,133 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 05:23:39,133 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:23:39,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:23:39,133 INFO L82 PathProgramCache]: Analyzing trace with hash -1390258068, now seen corresponding path program 1 times [2020-09-25 05:23:39,134 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:23:39,134 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [938862433] [2020-09-25 05:23:39,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:23:39,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:39,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:39,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:41,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:41,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:42,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:44,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:44,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-25 05:23:44,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 05:23:44,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5063 [2020-09-25 05:23:44,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:44,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:44,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:23:44,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 05:23:44,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 05:23:44,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:44,575 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:23:44,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:23:44,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:44,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:44,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:44,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:23:44,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:44,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-09-25 05:23:44,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:44,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:44,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:44,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:44,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:44,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:44,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:23:44,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:44,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:44,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:44,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:23:44,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:44,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:44,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:44,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:44,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:44,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:44,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:44,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:44,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:23:44,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:44,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:44,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:44,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:23:44,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:44,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:44,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:44,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:44,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:44,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:44,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:44,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:44,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:23:44,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:44,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:44,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:44,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:44,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:44,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:23:44,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:44,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:44,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:44,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:44,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:44,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:23:44,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:23:44,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:44,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:44,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:44,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:23:44,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:44,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:44,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:44,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:44,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:44,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:44,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:44,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:44,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:23:44,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:44,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:44,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:44,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:23:44,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:44,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:44,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:44,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:44,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:44,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:44,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:44,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:44,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 05:23:44,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:44,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:44,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:44,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 05:23:44,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:44,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:23:44,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:44,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:44,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:44,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 05:23:44,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:44,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:44,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:23:44,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:44,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:44,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:44,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:44,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:44,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:23:44,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:44,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:44,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:44,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:44,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:44,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:44,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 05:23:44,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:44,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:44,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:44,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:44,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:44,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:44,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:44,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:44,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:44,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:23:44,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:44,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:44,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 05:23:44,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:44,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:44,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:44,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:44,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:44,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:44,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:44,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:44,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:44,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:23:44,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:44,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:44,884 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 05:23:44,885 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [938862433] [2020-09-25 05:23:44,885 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:23:44,885 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 05:23:44,886 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592760839] [2020-09-25 05:23:44,888 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 05:23:44,888 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:23:44,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 05:23:44,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 05:23:44,889 INFO L87 Difference]: Start difference. First operand 300 states and 325 transitions. Second operand 5 states. [2020-09-25 05:23:45,581 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:23:46,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:23:46,760 INFO L93 Difference]: Finished difference Result 488 states and 545 transitions. [2020-09-25 05:23:46,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 05:23:46,761 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-25 05:23:46,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:23:46,765 INFO L225 Difference]: With dead ends: 488 [2020-09-25 05:23:46,765 INFO L226 Difference]: Without dead ends: 337 [2020-09-25 05:23:46,767 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 05:23:46,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2020-09-25 05:23:46,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 290. [2020-09-25 05:23:46,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2020-09-25 05:23:46,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 312 transitions. [2020-09-25 05:23:46,817 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 312 transitions. Word has length 161 [2020-09-25 05:23:46,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:23:46,818 INFO L479 AbstractCegarLoop]: Abstraction has 290 states and 312 transitions. [2020-09-25 05:23:46,818 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 05:23:46,819 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 312 transitions. [2020-09-25 05:23:46,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-25 05:23:46,821 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:23:46,822 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:23:46,822 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 05:23:46,822 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:23:46,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:23:46,823 INFO L82 PathProgramCache]: Analyzing trace with hash -678353695, now seen corresponding path program 1 times [2020-09-25 05:23:46,823 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:23:46,824 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [724190408] [2020-09-25 05:23:46,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:23:46,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:46,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:47,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:47,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:49,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:51,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:51,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-25 05:23:51,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 05:23:51,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5050 [2020-09-25 05:23:51,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:51,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:51,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:23:51,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-25 05:23:51,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 05:23:51,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:52,230 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:23:52,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:23:52,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:52,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:52,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:52,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:23:52,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:52,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-09-25 05:23:52,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:52,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:52,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:52,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:52,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:52,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:52,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:23:52,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:52,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:52,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:52,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:23:52,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:52,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:52,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:52,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:52,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:52,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:52,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:52,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:52,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:23:52,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:52,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:52,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:52,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:23:52,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:52,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:23:52,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:52,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:52,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:52,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:52,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:52,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:52,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:23:52,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:52,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:52,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:52,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:52,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:52,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:23:52,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:52,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:52,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:52,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:52,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:52,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:52,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:23:52,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:52,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:52,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:52,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:23:52,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:52,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:23:52,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:52,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:52,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:52,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:52,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:52,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:52,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:23:52,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:52,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:52,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:52,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:23:52,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:52,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:23:52,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:52,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:52,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:52,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:52,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:52,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:52,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 05:23:52,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:52,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:52,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:52,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:23:52,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:52,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:23:52,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:52,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:52,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:23:52,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:52,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 05:23:52,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:52,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 05:23:52,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:52,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:52,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:52,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 05:23:52,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:52,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:23:52,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:52,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:52,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:23:52,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:52,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 05:23:52,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:52,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:23:52,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:52,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:52,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:52,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:52,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:52,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:52,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:52,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:52,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:52,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:52,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:52,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:52,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-25 05:23:52,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:52,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:52,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:52,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:52,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:52,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:52,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:52,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:52,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:52,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:23:52,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:52,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:52,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-25 05:23:52,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:52,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:52,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:52,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:52,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:52,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:52,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:52,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:52,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:52,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:23:52,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:52,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:52,495 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 05:23:52,496 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [724190408] [2020-09-25 05:23:52,496 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:23:52,496 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 05:23:52,496 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760841668] [2020-09-25 05:23:52,497 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 05:23:52,497 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:23:52,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 05:23:52,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 05:23:52,498 INFO L87 Difference]: Start difference. First operand 290 states and 312 transitions. Second operand 6 states. [2020-09-25 05:23:53,162 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:23:54,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:23:54,591 INFO L93 Difference]: Finished difference Result 535 states and 610 transitions. [2020-09-25 05:23:54,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 05:23:54,592 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2020-09-25 05:23:54,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:23:54,596 INFO L225 Difference]: With dead ends: 535 [2020-09-25 05:23:54,596 INFO L226 Difference]: Without dead ends: 360 [2020-09-25 05:23:54,597 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 05:23:54,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-09-25 05:23:54,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 290. [2020-09-25 05:23:54,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2020-09-25 05:23:54,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 311 transitions. [2020-09-25 05:23:54,642 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 311 transitions. Word has length 174 [2020-09-25 05:23:54,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:23:54,643 INFO L479 AbstractCegarLoop]: Abstraction has 290 states and 311 transitions. [2020-09-25 05:23:54,643 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 05:23:54,643 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 311 transitions. [2020-09-25 05:23:54,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-09-25 05:23:54,646 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:23:54,646 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:23:54,647 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 05:23:54,647 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:23:54,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:23:54,647 INFO L82 PathProgramCache]: Analyzing trace with hash 1021606715, now seen corresponding path program 1 times [2020-09-25 05:23:54,647 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:23:54,648 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [513571814] [2020-09-25 05:23:54,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:23:54,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:54,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:54,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:55,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:56,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:57,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:58,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:59,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:59,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:59,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:59,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 230 [2020-09-25 05:23:59,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-25 05:23:59,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-09-25 05:23:59,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:59,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:59,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 05:23:59,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 181 [2020-09-25 05:23:59,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 05:23:59,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:23:59,999 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:24:00,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:24:00,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:00,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:00,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:00,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:24:00,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:00,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-09-25 05:24:00,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:00,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:00,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:00,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:00,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:00,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:00,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:24:00,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:00,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:00,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:00,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:24:00,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:00,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:24:00,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:00,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:00,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:00,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:00,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:00,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:00,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:24:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:00,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:00,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:00,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:24:00,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:00,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:24:00,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:00,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:00,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:00,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:00,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:00,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:00,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:24:00,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:00,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:00,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:00,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:24:00,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:00,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:24:00,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:00,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:00,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:00,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:00,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:00,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:00,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:24:00,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:00,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:00,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:00,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:24:00,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:00,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:24:00,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:00,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:00,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:00,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:00,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:00,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:00,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:24:00,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:00,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:00,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:00,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:24:00,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:00,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:24:00,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:00,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:00,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:00,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:00,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:00,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 05:24:00,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 05:24:00,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:00,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:00,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:00,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:24:00,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:00,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:24:00,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:00,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:00,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:00,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:00,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:00,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:00,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 05:24:00,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:00,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:00,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:00,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 05:24:00,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:00,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:24:00,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:00,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:00,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:00,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:00,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:00,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:00,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:24:00,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:00,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:00,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:00,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:24:00,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:00,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:24:00,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:00,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:00,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:00,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:00,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:00,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:00,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 05:24:00,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:00,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:00,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:00,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 05:24:00,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:00,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 05:24:00,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:00,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:00,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 05:24:00,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 05:24:00,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 05:24:00,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:00,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:24:00,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:00,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:00,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:00,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 05:24:00,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:00,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 05:24:00,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:00,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:00,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 05:24:00,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 05:24:00,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 05:24:00,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:00,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:24:00,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:00,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:00,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:00,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:24:00,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:00,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:24:00,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:00,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:00,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:24:00,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:00,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:24:00,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:00,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-09-25 05:24:00,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:00,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:00,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:00,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:24:00,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:00,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:24:00,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:00,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:00,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:00,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:24:00,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:00,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:00,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-09-25 05:24:00,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:00,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:00,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:00,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:24:00,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:00,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:24:00,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:00,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:00,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:00,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:24:00,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:00,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:00,400 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 05:24:00,400 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [513571814] [2020-09-25 05:24:00,401 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:24:00,401 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 05:24:00,401 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12563619] [2020-09-25 05:24:00,402 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 05:24:00,402 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:24:00,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 05:24:00,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-09-25 05:24:00,403 INFO L87 Difference]: Start difference. First operand 290 states and 311 transitions. Second operand 9 states. [2020-09-25 05:24:00,907 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:24:03,192 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 05:24:04,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:24:04,125 INFO L93 Difference]: Finished difference Result 724 states and 855 transitions. [2020-09-25 05:24:04,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-25 05:24:04,126 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 187 [2020-09-25 05:24:04,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:24:04,131 INFO L225 Difference]: With dead ends: 724 [2020-09-25 05:24:04,132 INFO L226 Difference]: Without dead ends: 549 [2020-09-25 05:24:04,133 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=157, Invalid=395, Unknown=0, NotChecked=0, Total=552 [2020-09-25 05:24:04,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2020-09-25 05:24:04,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 411. [2020-09-25 05:24:04,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2020-09-25 05:24:04,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 444 transitions. [2020-09-25 05:24:04,193 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 444 transitions. Word has length 187 [2020-09-25 05:24:04,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:24:04,194 INFO L479 AbstractCegarLoop]: Abstraction has 411 states and 444 transitions. [2020-09-25 05:24:04,194 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 05:24:04,194 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 444 transitions. [2020-09-25 05:24:04,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-09-25 05:24:04,197 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:24:04,198 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:24:04,198 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 05:24:04,198 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:24:04,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:24:04,199 INFO L82 PathProgramCache]: Analyzing trace with hash 1622480709, now seen corresponding path program 1 times [2020-09-25 05:24:04,199 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:24:04,199 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [991406707] [2020-09-25 05:24:04,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:24:04,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:04,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:04,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:04,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:05,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:09,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:09,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:09,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 258 [2020-09-25 05:24:09,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 05:24:09,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5045 [2020-09-25 05:24:09,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:09,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:09,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 05:24:09,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 181 [2020-09-25 05:24:09,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-09-25 05:24:09,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:09,658 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:24:09,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:24:09,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:09,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:09,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:09,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:24:09,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:09,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-09-25 05:24:09,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:09,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:09,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:09,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:09,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:09,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:24:09,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:24:09,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:09,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:09,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:09,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:24:09,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:09,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:24:09,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:09,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:09,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:09,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:09,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:09,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:09,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:24:09,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:09,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:09,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:09,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:24:09,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:09,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:24:09,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:09,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:09,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:09,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:09,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:09,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:09,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:24:09,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:09,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:09,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:09,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:24:09,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:09,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:24:09,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:09,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:09,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:09,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:09,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:09,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:09,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:24:09,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:09,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:09,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:09,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:24:09,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:09,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:24:09,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:09,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:09,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:09,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:09,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:09,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:09,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:24:09,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:09,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:09,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:09,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:24:09,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:09,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:24:09,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:09,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:09,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:09,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:09,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:09,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:09,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 05:24:09,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:09,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:09,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:09,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:24:09,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:09,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:24:09,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:09,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:09,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:09,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:09,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:09,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:09,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 05:24:09,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:09,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:09,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:09,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 05:24:09,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:09,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:24:09,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:09,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:09,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:09,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:09,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:09,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:09,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:24:09,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:09,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:09,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:09,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:24:09,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:09,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:24:09,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:09,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:09,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:09,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:09,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:09,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:09,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 05:24:09,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:09,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:09,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:09,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:09,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 05:24:09,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:24:09,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-09-25 05:24:09,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:09,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:09,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:24:09,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:09,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 05:24:09,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:24:09,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:24:09,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:09,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:09,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:09,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 05:24:09,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:09,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 05:24:09,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:09,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:09,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:24:09,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:09,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 05:24:09,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:24:09,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:24:09,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:09,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:10,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:10,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 05:24:10,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:10,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 05:24:10,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:10,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:10,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:24:10,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:10,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 05:24:10,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:10,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:24:10,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:10,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:10,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:10,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:24:10,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:10,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:24:10,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:10,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:10,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:10,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:10,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:10,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:10,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 05:24:10,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:10,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:10,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:10,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:24:10,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:10,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:24:10,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:10,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:10,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:24:10,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:10,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:24:10,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:10,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-09-25 05:24:10,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:10,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:10,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:10,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:24:10,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:10,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:24:10,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:10,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:10,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:24:10,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:10,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:24:10,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:24:10,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-09-25 05:24:10,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:10,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:10,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:10,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:24:10,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:10,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 05:24:10,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:10,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:10,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 05:24:10,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:10,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:24:10,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:24:10,142 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 05:24:10,143 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [991406707] [2020-09-25 05:24:10,143 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:24:10,143 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 05:24:10,143 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681165633] [2020-09-25 05:24:10,144 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 05:24:10,144 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:24:10,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 05:24:10,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 05:24:10,144 INFO L87 Difference]: Start difference. First operand 411 states and 444 transitions. Second operand 11 states. [2020-09-25 05:24:10,763 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:24:11,823 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:24:12,415 WARN L193 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-25 05:24:13,790 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:24:14,109 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 05:24:14,504 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 193