/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=0.2 --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_product57.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 04:14:48,595 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 04:14:48,598 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 04:14:48,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 04:14:48,624 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 04:14:48,625 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 04:14:48,626 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 04:14:48,628 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 04:14:48,629 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 04:14:48,630 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 04:14:48,631 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 04:14:48,632 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 04:14:48,633 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 04:14:48,634 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 04:14:48,637 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 04:14:48,640 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 04:14:48,643 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 04:14:48,644 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 04:14:48,646 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 04:14:48,651 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 04:14:48,654 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 04:14:48,659 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 04:14:48,660 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 04:14:48,663 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 04:14:48,665 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 04:14:48,665 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 04:14:48,666 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 04:14:48,667 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 04:14:48,667 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 04:14:48,668 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 04:14:48,668 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 04:14:48,669 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 04:14:48,670 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 04:14:48,671 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 04:14:48,672 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 04:14:48,672 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 04:14:48,673 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 04:14:48,673 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 04:14:48,673 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 04:14:48,674 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 04:14:48,675 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 04:14:48,676 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 04:14:48,701 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 04:14:48,701 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 04:14:48,702 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 04:14:48,703 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 04:14:48,703 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 04:14:48,703 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 04:14:48,703 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 04:14:48,703 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 04:14:48,704 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 04:14:48,704 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 04:14:48,704 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 04:14:48,704 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 04:14:48,704 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 04:14:48,705 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 04:14:48,705 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 04:14:48,705 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 04:14:48,705 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 04:14:48,705 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 04:14:48,706 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 04:14:48,706 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 04:14:48,706 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 04:14:48,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 04:14:48,706 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 04:14:48,707 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 04:14:48,707 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 04:14:48,707 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 04:14:48,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 04:14:48,707 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 04:14:48,708 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 04:14:48,708 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=0.2;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=0.2;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=0.2;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=0.2;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=0.2;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=0.2;log-additional-information=true; [2020-09-25 04:14:49,191 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 04:14:49,215 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 04:14:49,219 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 04:14:49,221 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 04:14:49,223 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 04:14:49,224 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product57.cil.c [2020-09-25 04:14:49,313 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/335ca4266/e9887acc114046a590646daaa04f5480/FLAG98636d4f8 [2020-09-25 04:14:49,898 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 04:14:49,899 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product57.cil.c [2020-09-25 04:14:49,918 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/335ca4266/e9887acc114046a590646daaa04f5480/FLAG98636d4f8 [2020-09-25 04:14:50,196 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/335ca4266/e9887acc114046a590646daaa04f5480 [2020-09-25 04:14:50,209 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 04:14:50,214 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 04:14:50,215 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 04:14:50,215 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 04:14:50,221 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 04:14:50,222 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:14:50" (1/1) ... [2020-09-25 04:14:50,226 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4365ba2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:14:50, skipping insertion in model container [2020-09-25 04:14:50,227 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:14:50" (1/1) ... [2020-09-25 04:14:50,236 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 04:14:50,301 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 04:14:50,680 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:14:50,817 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 04:14:50,896 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:14:50,942 INFO L208 MainTranslator]: Completed translation [2020-09-25 04:14:50,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:14:50 WrapperNode [2020-09-25 04:14:50,944 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 04:14:50,945 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 04:14:50,945 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 04:14:50,945 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 04:14:50,962 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:14:50" (1/1) ... [2020-09-25 04:14:50,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:14:50" (1/1) ... [2020-09-25 04:14:50,984 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:14:50" (1/1) ... [2020-09-25 04:14:50,985 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:14:50" (1/1) ... [2020-09-25 04:14:51,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:14:50" (1/1) ... [2020-09-25 04:14:51,026 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:14:50" (1/1) ... [2020-09-25 04:14:51,033 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:14:50" (1/1) ... [2020-09-25 04:14:51,044 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 04:14:51,045 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 04:14:51,045 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 04:14:51,045 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 04:14:51,047 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:14:50" (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 04:14:51,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 04:14:51,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 04:14:51,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 04:14:51,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 04:14:51,117 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 04:14:51,117 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 04:14:51,117 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 04:14:51,118 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 04:14:51,118 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 04:14:51,118 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 04:14:51,118 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 04:14:51,118 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 04:14:51,119 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 04:14:51,119 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 04:14:51,119 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 04:14:51,119 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 04:14:51,119 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 04:14:51,120 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 04:14:51,120 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 04:14:51,120 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 04:14:51,120 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 04:14:51,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 04:14:51,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 04:14:51,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 04:14:51,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 04:14:51,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 04:14:51,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 04:14:51,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 04:14:51,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 04:14:51,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 04:14:51,122 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 04:14:51,122 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 04:14:51,122 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 04:14:51,123 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 04:14:51,123 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 04:14:51,123 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 04:14:51,123 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 04:14:51,123 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 04:14:51,123 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 04:14:51,124 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 04:14:51,124 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 04:14:51,124 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 04:14:51,124 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 04:14:51,124 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 04:14:51,124 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 04:14:51,125 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 04:14:51,125 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 04:14:51,125 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 04:14:51,125 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 04:14:51,125 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 04:14:51,126 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 04:14:51,126 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 04:14:51,126 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 04:14:51,126 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 04:14:51,126 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 04:14:51,126 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 04:14:51,127 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 04:14:51,127 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 04:14:51,127 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 04:14:51,127 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 04:14:51,127 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 04:14:51,127 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 04:14:51,127 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 04:14:51,128 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 04:14:51,128 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 04:14:51,128 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 04:14:51,128 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 04:14:51,128 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 04:14:51,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 04:14:51,129 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 04:14:51,129 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 04:14:51,129 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 04:14:51,129 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 04:14:51,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 04:14:51,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 04:14:51,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 04:14:51,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 04:14:51,130 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 04:14:51,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 04:14:51,130 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 04:14:51,130 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 04:14:51,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 04:14:51,131 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 04:14:51,131 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 04:14:51,131 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 04:14:51,131 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 04:14:51,131 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 04:14:51,132 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 04:14:51,132 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 04:14:51,132 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 04:14:51,132 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 04:14:51,132 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 04:14:51,132 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 04:14:51,132 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 04:14:51,133 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 04:14:51,133 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 04:14:51,133 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 04:14:51,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 04:14:51,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 04:14:51,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 04:14:52,274 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 04:14:52,274 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 04:14:52,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:14:52 BoogieIcfgContainer [2020-09-25 04:14:52,281 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 04:14:52,283 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 04:14:52,283 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 04:14:52,286 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 04:14:52,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 04:14:50" (1/3) ... [2020-09-25 04:14:52,287 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a440986 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:14:52, skipping insertion in model container [2020-09-25 04:14:52,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:14:50" (2/3) ... [2020-09-25 04:14:52,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a440986 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:14:52, skipping insertion in model container [2020-09-25 04:14:52,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:14:52" (3/3) ... [2020-09-25 04:14:52,290 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product57.cil.c [2020-09-25 04:14:52,302 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 04:14:52,313 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 04:14:52,335 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 04:14:52,369 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 04:14:52,369 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 04:14:52,369 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 04:14:52,370 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 04:14:52,370 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 04:14:52,370 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 04:14:52,370 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 04:14:52,370 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 04:14:52,401 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states. [2020-09-25 04:14:52,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 04:14:52,421 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:14:52,423 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 04:14:52,423 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:14:52,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:14:52,432 INFO L82 PathProgramCache]: Analyzing trace with hash 1833758350, now seen corresponding path program 1 times [2020-09-25 04:14:52,444 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:14:52,444 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [319197882] [2020-09-25 04:14:52,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:14:52,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:52,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:53,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:53,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:54,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:55,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:57,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:57,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 04:14:57,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 04:14:57,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-09-25 04:14:57,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:57,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:57,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:57,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-25 04:14:57,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:57,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 04:14:58,426 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:14:58,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:14:58,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:58,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:58,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:58,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:14:58,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:58,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 182 [2020-09-25 04:14:58,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:58,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:58,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:58,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:58,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:58,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:58,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:14:58,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:58,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:58,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:58,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:58,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:58,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:14:58,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:58,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:58,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:58,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:58,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:58,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:58,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:14:58,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:58,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:58,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:58,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:58,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:58,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:58,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:58,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:58,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:58,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:58,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:58,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:58,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:14:58,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:58,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:58,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:58,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:58,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:58,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:14:58,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:58,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:58,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:58,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:58,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:58,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:58,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:14:58,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:58,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:58,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:58,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:14:58,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:58,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:58,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:58,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:58,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:58,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:58,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:58,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:58,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:14:58,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:58,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:58,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:58,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:14:58,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:58,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 04:14:58,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:58,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:58,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:58,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:58,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:58,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:58,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 04:14:58,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:58,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:58,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:58,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:14:58,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:58,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 04:14:58,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:58,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:58,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:58,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 04:14:58,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:58,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:14:58,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:14:58,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:58,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:58,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:58,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:58,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:58,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:58,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:58,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:58,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:58,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:14:58,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:58,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:58,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 04:14:58,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:58,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:58,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:58,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:58,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:58,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:58,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:58,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:58,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:58,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:14:58,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:58,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:58,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 04:14:58,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:14:58,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:14:58,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:14:58,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:14:58,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:14:58,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:14:58,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:14:58,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:14:58,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:14:58,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:14:58,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:14:58,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:14:58,884 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 04:14:58,885 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [319197882] [2020-09-25 04:14:58,887 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:14:58,888 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 04:14:58,889 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080242453] [2020-09-25 04:14:58,896 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 04:14:58,897 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:14:58,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 04:14:58,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 04:14:58,917 INFO L87 Difference]: Start difference. First operand 347 states. Second operand 4 states. [2020-09-25 04:15:00,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:15:00,242 INFO L93 Difference]: Finished difference Result 553 states and 641 transitions. [2020-09-25 04:15:00,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 04:15:00,246 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-25 04:15:00,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:15:00,277 INFO L225 Difference]: With dead ends: 553 [2020-09-25 04:15:00,278 INFO L226 Difference]: Without dead ends: 342 [2020-09-25 04:15:00,288 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 04:15:00,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-09-25 04:15:00,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 296. [2020-09-25 04:15:00,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-09-25 04:15:00,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 321 transitions. [2020-09-25 04:15:00,403 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 321 transitions. Word has length 160 [2020-09-25 04:15:00,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:15:00,404 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 321 transitions. [2020-09-25 04:15:00,405 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 04:15:00,405 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 321 transitions. [2020-09-25 04:15:00,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 04:15:00,410 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:15:00,410 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 04:15:00,410 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 04:15:00,411 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:15:00,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:15:00,411 INFO L82 PathProgramCache]: Analyzing trace with hash -1480505140, now seen corresponding path program 1 times [2020-09-25 04:15:00,411 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:15:00,412 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [428617750] [2020-09-25 04:15:00,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:15:00,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:00,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:00,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:01,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:01,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:03,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:05,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:05,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-25 04:15:05,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 04:15:05,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5038 [2020-09-25 04:15:05,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:05,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:05,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:15:05,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-09-25 04:15:05,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-25 04:15:05,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:05,858 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:15:05,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:15:05,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:05,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:06,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:06,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:15:06,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:06,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 287 [2020-09-25 04:15:06,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:06,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:06,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:15:06,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:06,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-25 04:15:06,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:06,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:15:06,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:06,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:06,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:06,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:06,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:06,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:15:06,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:06,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:06,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:15:06,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:06,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 04:15:06,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:06,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:15:06,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:06,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:06,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:06,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:06,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:06,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:15:06,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:06,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:06,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:15:06,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:06,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 04:15:06,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:06,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:15:06,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:06,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:06,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:06,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:06,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:06,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 04:15:06,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:06,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:06,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:15:06,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:06,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:15:06,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:06,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:15:06,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:06,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:06,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:06,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:06,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:06,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:15:06,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:06,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:06,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:15:06,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:06,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 04:15:06,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:06,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:15:06,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:06,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:06,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:06,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:15:06,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:06,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:15:06,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:06,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:06,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:15:06,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:06,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 04:15:06,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:06,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 04:15:06,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:06,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:06,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:06,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:15:06,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:06,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:15:06,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:06,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:06,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:15:06,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:06,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 04:15:06,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:06,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:15:06,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:06,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:06,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:06,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:06,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:06,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:06,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:06,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:06,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:06,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:06,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:06,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:06,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 04:15:06,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:06,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:06,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:06,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:06,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:06,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:15:06,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:06,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:06,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:06,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:15:06,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:06,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:06,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 04:15:06,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:06,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:06,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:06,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:06,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:06,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:06,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:06,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:06,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:06,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:15:06,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:06,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:06,341 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 04:15:06,342 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [428617750] [2020-09-25 04:15:06,342 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:15:06,343 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 04:15:06,343 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121983134] [2020-09-25 04:15:06,346 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 04:15:06,347 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:15:06,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 04:15:06,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 04:15:06,348 INFO L87 Difference]: Start difference. First operand 296 states and 321 transitions. Second operand 5 states. [2020-09-25 04:15:06,785 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:15:07,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:15:07,694 INFO L93 Difference]: Finished difference Result 523 states and 593 transitions. [2020-09-25 04:15:07,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 04:15:07,695 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-25 04:15:07,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:15:07,699 INFO L225 Difference]: With dead ends: 523 [2020-09-25 04:15:07,699 INFO L226 Difference]: Without dead ends: 342 [2020-09-25 04:15:07,700 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 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 04:15:07,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-09-25 04:15:07,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 296. [2020-09-25 04:15:07,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-09-25 04:15:07,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 320 transitions. [2020-09-25 04:15:07,790 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 320 transitions. Word has length 161 [2020-09-25 04:15:07,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:15:07,793 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 320 transitions. [2020-09-25 04:15:07,793 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 04:15:07,793 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 320 transitions. [2020-09-25 04:15:07,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-25 04:15:07,797 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:15:07,797 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 04:15:07,797 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 04:15:07,798 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:15:07,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:15:07,798 INFO L82 PathProgramCache]: Analyzing trace with hash 1356156807, now seen corresponding path program 1 times [2020-09-25 04:15:07,798 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:15:07,799 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [190114193] [2020-09-25 04:15:07,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:15:07,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:07,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:07,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:08,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:08,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:12,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:12,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:12,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:12,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:12,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-09-25 04:15:12,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 04:15:12,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-09-25 04:15:12,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:12,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:12,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:15:12,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 04:15:12,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 04:15:12,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:13,200 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:15:13,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:15:13,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:13,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:13,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:13,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:15:13,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:13,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-09-25 04:15:13,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:13,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:13,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:13,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:13,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:13,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:15:13,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:15:13,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:13,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:13,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:13,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:13,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:13,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:15:13,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:13,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:13,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:13,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:13,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:13,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:13,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:15:13,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:13,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:13,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:13,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:13,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:13,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:15:13,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:13,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:13,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:13,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:13,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:13,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:15:13,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:15:13,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:13,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:13,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:13,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:13,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:13,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:15:13,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:13,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:13,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:13,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:13,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:13,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:13,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:15:13,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:13,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:13,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:13,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:13,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:13,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:15:13,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:13,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:13,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:13,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:13,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:13,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:15:13,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:15:13,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:13,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:13,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:13,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:15:13,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:13,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:15:13,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:13,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:13,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:13,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:13,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:13,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:15:13,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 04:15:13,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:13,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:13,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:13,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:15:13,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:13,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:13,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:13,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:13,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:13,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 04:15:13,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:13,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:13,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:15:13,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:13,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:13,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:13,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:13,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:13,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:15:13,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:13,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:13,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:13,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:13,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:13,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:13,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 04:15:13,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:13,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:13,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:13,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:13,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 04:15:13,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 04:15:13,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 04:15:13,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:13,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:13,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:13,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-25 04:15:13,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:13,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:13,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:15:13,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:13,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:13,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:13,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 04:15:13,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:13,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 04:15:13,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:13,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:13,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:13,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:13,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:13,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:13,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:15:13,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:13,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:13,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:13,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:13,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:13,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:13,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:13,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:13,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:13,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:13,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:13,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:13,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-25 04:15:13,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:13,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:13,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:13,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:13,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:13,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:15:13,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:13,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:13,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:13,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:15:13,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:13,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:13,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-25 04:15:13,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:13,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:13,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:13,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:13,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:13,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:13,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:13,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:13,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:13,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:15:13,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:13,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:13,537 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 04:15:13,538 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [190114193] [2020-09-25 04:15:13,538 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:15:13,538 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 04:15:13,539 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420866309] [2020-09-25 04:15:13,540 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 04:15:13,540 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:15:13,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 04:15:13,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 04:15:13,542 INFO L87 Difference]: Start difference. First operand 296 states and 320 transitions. Second operand 6 states. [2020-09-25 04:15:14,404 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 04:15:15,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:15:15,611 INFO L93 Difference]: Finished difference Result 506 states and 572 transitions. [2020-09-25 04:15:15,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 04:15:15,612 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2020-09-25 04:15:15,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:15:15,621 INFO L225 Difference]: With dead ends: 506 [2020-09-25 04:15:15,621 INFO L226 Difference]: Without dead ends: 355 [2020-09-25 04:15:15,623 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-09-25 04:15:15,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2020-09-25 04:15:15,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 286. [2020-09-25 04:15:15,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2020-09-25 04:15:15,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 307 transitions. [2020-09-25 04:15:15,682 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 307 transitions. Word has length 174 [2020-09-25 04:15:15,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:15:15,682 INFO L479 AbstractCegarLoop]: Abstraction has 286 states and 307 transitions. [2020-09-25 04:15:15,682 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 04:15:15,683 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 307 transitions. [2020-09-25 04:15:15,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-09-25 04:15:15,685 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:15:15,685 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] [2020-09-25 04:15:15,685 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 04:15:15,686 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:15:15,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:15:15,686 INFO L82 PathProgramCache]: Analyzing trace with hash 861738255, now seen corresponding path program 1 times [2020-09-25 04:15:15,686 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:15:15,686 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2116311209] [2020-09-25 04:15:15,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:15:15,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:15,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:15,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:16,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:17,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:17,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:18,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:20,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:20,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:20,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:20,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-09-25 04:15:20,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-25 04:15:20,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-09-25 04:15:20,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:20,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:20,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 04:15:20,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 175 [2020-09-25 04:15:20,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 04:15:20,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:21,023 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:15:21,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:15:21,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:21,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:21,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:21,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:15:21,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:21,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-09-25 04:15:21,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:21,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:21,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:21,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:21,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:21,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:21,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:15:21,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:21,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:21,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:21,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:21,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:21,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:21,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:21,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:21,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:21,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:21,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:21,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:21,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:15:21,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:21,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:21,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:21,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:21,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:21,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:15:21,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:21,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:21,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:21,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:21,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:21,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:21,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:15:21,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:21,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:21,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:21,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:21,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:21,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 04:15:21,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:21,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:21,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:21,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:21,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:21,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:21,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:15:21,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:21,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:21,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:21,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:21,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:21,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:21,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:21,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:21,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:21,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:21,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:21,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:21,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:15:21,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:21,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:21,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:21,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:15:21,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:21,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:21,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:21,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:21,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:21,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:21,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:21,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:21,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 04:15:21,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:21,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:21,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:21,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:15:21,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:21,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:21,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:21,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:21,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:21,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:21,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:21,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:21,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:15:21,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:21,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:21,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:21,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:21,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:21,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:21,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:21,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:21,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:21,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:21,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:21,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:21,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 04:15:21,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:21,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:21,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:21,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 04:15:21,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:21,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 04:15:21,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:21,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:21,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 04:15:21,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 04:15:21,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 04:15:21,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:21,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:15:21,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:21,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:21,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:21,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 04:15:21,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:21,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 04:15:21,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:21,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:21,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 04:15:21,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 04:15:21,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 04:15:21,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:21,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:15:21,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:21,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:21,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:21,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:21,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:21,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 04:15:21,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:21,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:21,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:15:21,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:21,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 04:15:21,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:21,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-09-25 04:15:21,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:21,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:21,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:21,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:21,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:21,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:21,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:21,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:21,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:21,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:15:21,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:21,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:21,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-09-25 04:15:21,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:21,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:21,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:21,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:21,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:21,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:21,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:21,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:21,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:21,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:15:21,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:21,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:21,473 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 04:15:21,474 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2116311209] [2020-09-25 04:15:21,474 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:15:21,474 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 04:15:21,475 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71240119] [2020-09-25 04:15:21,477 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 04:15:21,477 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:15:21,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 04:15:21,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-25 04:15:21,478 INFO L87 Difference]: Start difference. First operand 286 states and 307 transitions. Second operand 7 states. [2020-09-25 04:15:22,157 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 04:15:24,080 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 04:15:24,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:15:24,632 INFO L93 Difference]: Finished difference Result 642 states and 732 transitions. [2020-09-25 04:15:24,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 04:15:24,632 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 183 [2020-09-25 04:15:24,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:15:24,636 INFO L225 Difference]: With dead ends: 642 [2020-09-25 04:15:24,636 INFO L226 Difference]: Without dead ends: 471 [2020-09-25 04:15:24,637 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-09-25 04:15:24,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2020-09-25 04:15:24,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 403. [2020-09-25 04:15:24,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2020-09-25 04:15:24,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 436 transitions. [2020-09-25 04:15:24,686 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 436 transitions. Word has length 183 [2020-09-25 04:15:24,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:15:24,687 INFO L479 AbstractCegarLoop]: Abstraction has 403 states and 436 transitions. [2020-09-25 04:15:24,687 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 04:15:24,687 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 436 transitions. [2020-09-25 04:15:24,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-09-25 04:15:24,690 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:15:24,690 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] [2020-09-25 04:15:24,690 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 04:15:24,690 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:15:24,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:15:24,691 INFO L82 PathProgramCache]: Analyzing trace with hash 1687407280, now seen corresponding path program 1 times [2020-09-25 04:15:24,691 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:15:24,691 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [73618017] [2020-09-25 04:15:24,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:15:24,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:24,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:24,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:25,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:25,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:28,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:29,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:29,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-09-25 04:15:29,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 04:15:29,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-09-25 04:15:29,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:29,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:29,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 04:15:29,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 180 [2020-09-25 04:15:29,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-25 04:15:29,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:15:30,097 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:15:30,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:15:30,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:30,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:30,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:30,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:15:30,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:30,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-09-25 04:15:30,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:30,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:30,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:30,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:30,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:30,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:15:30,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:15:30,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:30,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:30,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:30,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:30,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:30,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:30,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:30,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:30,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:30,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:30,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:30,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:30,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:15:30,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:30,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:30,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:30,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:30,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:30,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:15:30,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:30,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:30,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:30,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:30,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:30,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:15:30,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:15:30,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:30,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:30,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:30,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:30,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:30,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:15:30,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:30,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:30,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:30,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:30,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:30,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:30,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:15:30,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:30,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:30,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:30,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:30,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:30,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:30,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:30,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:30,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:30,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:30,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:30,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:30,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:15:30,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:30,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:30,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:30,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:15:30,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:30,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:15:30,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:30,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:30,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:30,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:30,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:30,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:30,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 04:15:30,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:30,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:30,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:30,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:15:30,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:30,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:30,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:30,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:30,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:30,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:30,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:30,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:30,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:15:30,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:30,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:30,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:30,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:30,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:30,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:15:30,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:30,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:30,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:30,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:30,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:30,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:30,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 04:15:30,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:30,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:30,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:30,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:30,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 04:15:30,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 04:15:30,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-09-25 04:15:30,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:30,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:30,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:15:30,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:30,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 04:15:30,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:30,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:15:30,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:30,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:30,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:30,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 04:15:30,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:30,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 04:15:30,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:30,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:30,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:15:30,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:30,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 04:15:30,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:30,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:15:30,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:30,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:30,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:30,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 04:15:30,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:30,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 04:15:30,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:30,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:30,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:15:30,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:30,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 04:15:30,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:30,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 04:15:30,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:30,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:30,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:30,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:15:30,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:30,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:15:30,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:30,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:30,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:30,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:30,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:30,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:30,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 04:15:30,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:30,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:30,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:30,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:30,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:30,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:30,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:30,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:30,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:15:30,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:30,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 04:15:30,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:30,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-09-25 04:15:30,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:30,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:30,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:30,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:30,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:30,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:15:30,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:30,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:30,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:15:30,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:30,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:15:30,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:15:30,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-25 04:15:30,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:30,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:30,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:30,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:30,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:30,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 04:15:30,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:30,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:30,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:15:30,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:30,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:15:30,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:15:30,549 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 04:15:30,550 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [73618017] [2020-09-25 04:15:30,550 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:15:30,550 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 04:15:30,550 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416069424] [2020-09-25 04:15:30,551 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 04:15:30,551 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:15:30,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 04:15:30,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 04:15:30,552 INFO L87 Difference]: Start difference. First operand 403 states and 436 transitions. Second operand 10 states. [2020-09-25 04:15:31,095 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:15:31,981 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:15:32,289 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 04:15:33,513 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:15:33,795 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:15:34,121 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 04:15:34,653 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:15:34,951 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 04:15:35,241 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:15:35,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:15:35,932 INFO L93 Difference]: Finished difference Result 758 states and 856 transitions. [2020-09-25 04:15:35,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-25 04:15:35,933 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 207 [2020-09-25 04:15:35,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:15:35,936 INFO L225 Difference]: With dead ends: 758 [2020-09-25 04:15:35,936 INFO L226 Difference]: Without dead ends: 470 [2020-09-25 04:15:35,938 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-09-25 04:15:35,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2020-09-25 04:15:35,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 402. [2020-09-25 04:15:35,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 402 states. [2020-09-25 04:15:35,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 433 transitions. [2020-09-25 04:15:35,996 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 433 transitions. Word has length 207 [2020-09-25 04:15:35,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:15:35,997 INFO L479 AbstractCegarLoop]: Abstraction has 402 states and 433 transitions. [2020-09-25 04:15:35,997 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 04:15:35,997 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 433 transitions. [2020-09-25 04:15:36,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-25 04:15:36,003 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:15:36,003 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:15:36,003 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 04:15:36,003 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:15:36,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:15:36,004 INFO L82 PathProgramCache]: Analyzing trace with hash -1406999212, now seen corresponding path program 1 times [2020-09-25 04:15:36,004 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:15:36,004 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [268809045] [2020-09-25 04:15:36,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:15:36,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:36,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:36,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:36,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 281 [2020-09-25 04:15:36,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:36,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 697 [2020-09-25 04:15:36,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:36,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:36,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 04:15:36,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 200 [2020-09-25 04:15:36,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 04:15:36,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:15:37,048 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:15:37,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:15:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:37,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:37,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:37,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:15:37,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:37,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-09-25 04:15:37,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:37,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:37,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:37,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:37,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:37,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:15:37,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:15:37,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:37,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:37,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:37,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:37,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:37,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:15:37,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:37,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:37,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:37,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:37,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:37,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:15:37,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:15:37,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:37,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:37,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:37,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:37,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:37,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:15:37,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:37,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:37,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:37,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:37,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:37,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:37,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:15:37,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:37,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:37,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:37,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:37,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:37,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:15:37,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:37,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:37,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:37,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:37,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:37,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:37,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:15:37,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:37,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:37,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:37,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:37,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:37,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:15:37,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:37,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:37,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:37,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:37,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:37,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:15:37,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:15:37,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:37,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:37,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:37,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:15:37,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:37,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:15:37,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:37,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:37,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:37,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:37,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:37,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:15:37,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 04:15:37,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:37,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:37,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:37,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:15:37,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:37,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:37,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:37,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:37,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:37,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:37,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:37,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:15:37,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:15:37,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:37,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:37,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:37,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:37,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:37,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:15:37,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:37,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:37,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:37,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:37,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:37,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:37,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 04:15:37,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:37,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:37,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:37,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 04:15:37,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:37,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-09-25 04:15:37,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:37,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:37,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 04:15:37,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 04:15:37,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 04:15:37,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:15:37,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:15:37,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:37,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:37,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:37,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 04:15:37,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:37,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-09-25 04:15:37,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:37,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:37,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 04:15:37,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 04:15:37,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 04:15:37,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:15:37,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:15:37,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:37,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:37,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:37,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 04:15:37,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:37,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-09-25 04:15:37,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:37,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:37,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:15:37,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:37,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 04:15:37,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:37,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 04:15:37,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:37,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:37,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:37,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:15:37,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:37,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:15:37,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:37,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:37,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:37,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:37,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:37,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:15:37,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 04:15:37,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:37,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:37,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:37,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 04:15:37,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:37,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 04:15:37,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:37,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:37,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:37,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 04:15:37,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:37,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:37,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 04:15:37,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:37,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:37,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:37,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 04:15:37,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:37,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:37,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:37,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:37,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:37,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:37,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:37,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:37,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 04:15:37,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:37,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:37,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:37,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:37,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:37,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:15:37,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:37,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:37,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:37,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:37,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:37,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:37,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 04:15:37,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:37,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:37,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:37,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:15:37,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:37,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:37,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:37,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:37,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:37,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:37,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:37,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:37,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-25 04:15:37,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:37,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:37,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:37,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:37,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:37,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:37,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:37,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:37,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:37,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:15:37,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:37,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:15:37,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-25 04:15:37,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:37,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:37,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:37,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:37,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:37,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:15:37,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:37,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:37,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:37,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:15:37,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:37,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:15:37,698 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 04:15:37,698 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [268809045] [2020-09-25 04:15:37,699 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:15:37,699 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 04:15:37,699 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153011537] [2020-09-25 04:15:37,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 04:15:37,700 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:15:37,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 04:15:37,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 04:15:37,701 INFO L87 Difference]: Start difference. First operand 402 states and 433 transitions. Second operand 10 states.