/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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_product40.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 12:10:21,651 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 12:10:21,655 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 12:10:21,699 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 12:10:21,699 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 12:10:21,711 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 12:10:21,713 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 12:10:21,717 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 12:10:21,720 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 12:10:21,724 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 12:10:21,725 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 12:10:21,726 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 12:10:21,726 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 12:10:21,729 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 12:10:21,732 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 12:10:21,734 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 12:10:21,735 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 12:10:21,736 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 12:10:21,737 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 12:10:21,747 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 12:10:21,748 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 12:10:21,750 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 12:10:21,751 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 12:10:21,752 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 12:10:21,755 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 12:10:21,755 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 12:10:21,756 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 12:10:21,759 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 12:10:21,759 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 12:10:21,760 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 12:10:21,760 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 12:10:21,761 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 12:10:21,762 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 12:10:21,763 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 12:10:21,764 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 12:10:21,764 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 12:10:21,765 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 12:10:21,765 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 12:10:21,765 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 12:10:21,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 12:10:21,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 12:10:21,769 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 12:10:21,817 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 12:10:21,817 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 12:10:21,819 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 12:10:21,820 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 12:10:21,820 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 12:10:21,820 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 12:10:21,821 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 12:10:21,821 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 12:10:21,821 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 12:10:21,821 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 12:10:21,822 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 12:10:21,822 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 12:10:21,823 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 12:10:21,823 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 12:10:21,823 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 12:10:21,824 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 12:10:21,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 12:10:21,824 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 12:10:21,824 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 12:10:21,824 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 12:10:21,825 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 12:10:21,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 12:10:21,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 12:10:21,825 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 12:10:21,825 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 12:10:21,826 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 12:10:21,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 12:10:21,826 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 12:10:21,826 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 12:10:21,826 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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; [2020-09-25 12:10:22,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 12:10:22,285 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 12:10:22,290 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 12:10:22,291 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 12:10:22,292 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 12:10:22,293 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product40.cil.c [2020-09-25 12:10:22,385 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ec51c17f7/74968868da024d338a8541b97de45426/FLAGb93fdc283 [2020-09-25 12:10:22,989 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 12:10:22,989 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product40.cil.c [2020-09-25 12:10:23,007 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ec51c17f7/74968868da024d338a8541b97de45426/FLAGb93fdc283 [2020-09-25 12:10:23,275 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ec51c17f7/74968868da024d338a8541b97de45426 [2020-09-25 12:10:23,288 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 12:10:23,293 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 12:10:23,294 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 12:10:23,294 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 12:10:23,299 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 12:10:23,300 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:10:23" (1/1) ... [2020-09-25 12:10:23,304 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51800d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:10:23, skipping insertion in model container [2020-09-25 12:10:23,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:10:23" (1/1) ... [2020-09-25 12:10:23,314 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 12:10:23,363 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 12:10:23,788 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 12:10:23,807 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 12:10:24,000 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 12:10:24,035 INFO L208 MainTranslator]: Completed translation [2020-09-25 12:10:24,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:10:24 WrapperNode [2020-09-25 12:10:24,035 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 12:10:24,036 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 12:10:24,036 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 12:10:24,037 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 12:10:24,051 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:10:24" (1/1) ... [2020-09-25 12:10:24,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:10:24" (1/1) ... [2020-09-25 12:10:24,073 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:10:24" (1/1) ... [2020-09-25 12:10:24,073 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:10:24" (1/1) ... [2020-09-25 12:10:24,105 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:10:24" (1/1) ... [2020-09-25 12:10:24,117 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:10:24" (1/1) ... [2020-09-25 12:10:24,123 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:10:24" (1/1) ... [2020-09-25 12:10:24,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 12:10:24,133 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 12:10:24,133 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 12:10:24,133 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 12:10:24,134 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:10:24" (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 12:10:24,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 12:10:24,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 12:10:24,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 12:10:24,212 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 12:10:24,212 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 12:10:24,212 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 12:10:24,213 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 12:10:24,213 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 12:10:24,213 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 12:10:24,213 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 12:10:24,213 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 12:10:24,214 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 12:10:24,214 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 12:10:24,214 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 12:10:24,214 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 12:10:24,214 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 12:10:24,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 12:10:24,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 12:10:24,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 12:10:24,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 12:10:24,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 12:10:24,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 12:10:24,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 12:10:24,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 12:10:24,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 12:10:24,217 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 12:10:24,217 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 12:10:24,217 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 12:10:24,217 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 12:10:24,217 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 12:10:24,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 12:10:24,218 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 12:10:24,218 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 12:10:24,218 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 12:10:24,218 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 12:10:24,218 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 12:10:24,218 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 12:10:24,219 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 12:10:24,219 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 12:10:24,219 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 12:10:24,219 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 12:10:24,219 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 12:10:24,219 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 12:10:24,220 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 12:10:24,220 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 12:10:24,220 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 12:10:24,220 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 12:10:24,220 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 12:10:24,220 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 12:10:24,221 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 12:10:24,221 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 12:10:24,221 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 12:10:24,221 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 12:10:24,221 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 12:10:24,221 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 12:10:24,222 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 12:10:24,222 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 12:10:24,222 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 12:10:24,222 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 12:10:24,222 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 12:10:24,222 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 12:10:24,223 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 12:10:24,223 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 12:10:24,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 12:10:24,223 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 12:10:24,223 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 12:10:24,223 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 12:10:24,224 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 12:10:24,224 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 12:10:24,224 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 12:10:24,224 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 12:10:24,224 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 12:10:24,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 12:10:24,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 12:10:24,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 12:10:24,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 12:10:24,225 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 12:10:24,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 12:10:24,225 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 12:10:24,226 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 12:10:24,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 12:10:24,226 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 12:10:24,226 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 12:10:24,226 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 12:10:24,226 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 12:10:24,226 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 12:10:24,227 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 12:10:24,227 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 12:10:24,227 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 12:10:24,227 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 12:10:24,227 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 12:10:24,227 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 12:10:24,228 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 12:10:24,228 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 12:10:24,228 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 12:10:24,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 12:10:24,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 12:10:24,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 12:10:25,483 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 12:10:25,484 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 12:10:25,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:10:25 BoogieIcfgContainer [2020-09-25 12:10:25,498 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 12:10:25,500 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 12:10:25,501 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 12:10:25,505 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 12:10:25,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:10:23" (1/3) ... [2020-09-25 12:10:25,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ed0771d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:10:25, skipping insertion in model container [2020-09-25 12:10:25,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:10:24" (2/3) ... [2020-09-25 12:10:25,507 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ed0771d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:10:25, skipping insertion in model container [2020-09-25 12:10:25,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:10:25" (3/3) ... [2020-09-25 12:10:25,510 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product40.cil.c [2020-09-25 12:10:25,522 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 12:10:25,535 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 12:10:25,561 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 12:10:25,596 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 12:10:25,596 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 12:10:25,596 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 12:10:25,596 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 12:10:25,596 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 12:10:25,596 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 12:10:25,597 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 12:10:25,597 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 12:10:25,626 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states. [2020-09-25 12:10:25,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 12:10:25,645 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:10:25,646 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:10:25,647 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:10:25,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:10:25,658 INFO L82 PathProgramCache]: Analyzing trace with hash -1626360374, now seen corresponding path program 1 times [2020-09-25 12:10:25,668 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:10:25,668 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [586986923] [2020-09-25 12:10:25,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:10:26,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:26,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:26,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:28,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:28,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:31,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:31,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:31,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 12:10:31,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 12:10:31,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5135 [2020-09-25 12:10:31,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:31,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:31,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 12:10:31,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 12:10:31,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-09-25 12:10:31,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 15 [2020-09-25 12:10:31,740 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:10:31,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:10:31,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:31,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:32,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:32,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:10:32,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:32,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 327 [2020-09-25 12:10:32,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:32,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:32,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:10:32,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:32,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 12:10:32,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:32,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:10:32,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:32,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:32,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:32,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:10:32,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:32,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:10:32,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:32,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:32,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:10:32,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:32,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:10:32,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:32,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:10:32,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:32,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:32,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:32,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:10:32,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:32,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:10:32,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:32,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:32,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:10:32,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:32,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:10:32,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:32,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:10:32,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:32,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:32,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:32,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:10:32,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:32,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 12:10:32,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:32,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:32,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:10:32,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:32,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:10:32,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:32,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:10:32,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:32,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:32,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:32,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:10:32,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:32,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:10:32,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:32,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:32,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:10:32,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:32,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:10:32,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:32,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:10:32,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:32,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:32,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:32,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:10:32,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:32,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:10:32,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:32,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:32,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:10:32,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:32,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:10:32,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:32,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 12:10:32,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:32,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:32,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:32,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 12:10:32,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:32,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:10:32,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:32,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:32,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:10:32,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:32,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 12:10:32,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:32,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:10:32,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:32,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:32,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:32,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:10:32,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:32,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:10:32,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:32,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:32,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:10:32,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:32,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:10:32,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:32,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 12:10:32,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:32,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:32,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:32,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:10:32,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:32,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:10:32,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:32,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:32,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:10:32,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:10:32,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:10:32,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:32,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 12:10:32,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:32,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:32,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:32,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:10:32,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:32,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:10:32,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:32,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:32,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:10:32,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:10:32,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:10:32,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:32,445 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 12:10:32,447 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [586986923] [2020-09-25 12:10:32,449 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:10:32,450 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 12:10:32,451 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79396383] [2020-09-25 12:10:32,461 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 12:10:32,462 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:10:32,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 12:10:32,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 12:10:32,486 INFO L87 Difference]: Start difference. First operand 329 states. Second operand 6 states. [2020-09-25 12:10:33,251 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:10:34,393 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:10:36,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:10:36,452 INFO L93 Difference]: Finished difference Result 812 states and 979 transitions. [2020-09-25 12:10:36,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 12:10:36,455 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 160 [2020-09-25 12:10:36,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:10:36,483 INFO L225 Difference]: With dead ends: 812 [2020-09-25 12:10:36,483 INFO L226 Difference]: Without dead ends: 595 [2020-09-25 12:10:36,490 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-09-25 12:10:36,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2020-09-25 12:10:36,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 519. [2020-09-25 12:10:36,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 519 states. [2020-09-25 12:10:36,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 590 transitions. [2020-09-25 12:10:36,683 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 590 transitions. Word has length 160 [2020-09-25 12:10:36,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:10:36,685 INFO L479 AbstractCegarLoop]: Abstraction has 519 states and 590 transitions. [2020-09-25 12:10:36,685 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 12:10:36,685 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 590 transitions. [2020-09-25 12:10:36,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-09-25 12:10:36,691 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:10:36,692 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:10:36,692 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 12:10:36,692 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:10:36,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:10:36,693 INFO L82 PathProgramCache]: Analyzing trace with hash -1670557112, now seen corresponding path program 1 times [2020-09-25 12:10:36,693 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:10:36,694 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [953710059] [2020-09-25 12:10:36,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:10:36,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:36,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:37,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:37,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:38,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:40,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:41,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:41,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:41,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 230 [2020-09-25 12:10:41,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 12:10:41,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-09-25 12:10:41,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:41,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:41,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-25 12:10:41,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 12:10:41,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-09-25 12:10:41,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:42,138 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:10:42,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:10:42,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:42,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:42,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:42,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:10:42,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:42,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 263 [2020-09-25 12:10:42,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:42,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:42,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:10:42,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:42,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 12:10:42,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:42,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:10:42,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:42,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:42,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:42,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:10:42,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:42,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:10:42,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:42,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:42,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:10:42,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:42,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:10:42,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:42,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:10:42,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:42,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:42,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:42,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:10:42,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:42,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:10:42,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:42,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:42,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:10:42,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:42,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:10:42,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:42,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:10:42,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:42,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:42,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:42,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:10:42,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:42,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 12:10:42,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:42,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:42,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:10:42,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:42,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:10:42,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:42,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:10:42,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:42,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:42,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:42,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:10:42,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:42,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:10:42,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:42,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:42,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:10:42,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:42,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:10:42,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:42,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:10:42,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:42,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:42,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:42,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:10:42,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:42,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:10:42,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:42,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:42,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:10:42,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:42,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:10:42,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:42,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 12:10:42,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:42,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:42,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:42,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:10:42,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:42,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 12:10:42,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:42,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:42,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:10:42,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:42,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:10:42,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:10:42,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 12:10:42,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:42,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:42,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:42,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 12:10:42,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:42,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 12:10:42,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:42,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:42,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:10:42,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:42,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 12:10:42,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:42,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:10:42,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:42,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:42,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:42,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:10:42,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:42,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:10:42,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:42,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:42,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:10:42,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:42,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:10:42,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:42,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 12:10:42,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:42,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:42,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:42,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:42,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 12:10:42,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:10:42,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 12:10:42,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:42,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:42,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 12:10:42,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:10:42,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 12:10:42,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:42,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:10:42,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:42,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:42,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:42,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 12:10:42,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:42,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 12:10:42,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:42,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:42,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:10:42,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:10:42,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 12:10:42,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:42,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:10:42,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:42,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:42,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:42,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:10:42,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:42,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 12:10:42,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:42,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:42,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:10:42,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:42,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:10:42,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:42,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-09-25 12:10:42,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:42,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:42,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:42,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:10:42,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:42,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:10:42,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:42,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:42,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:10:42,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:10:42,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:10:42,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:10:42,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-09-25 12:10:42,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:42,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:42,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:42,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:10:42,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:42,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:10:42,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:42,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:42,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:10:42,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:10:42,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:10:42,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:42,832 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 12:10:42,833 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [953710059] [2020-09-25 12:10:42,833 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:10:42,833 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 12:10:42,834 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575582959] [2020-09-25 12:10:42,838 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 12:10:42,839 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:10:42,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 12:10:42,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-25 12:10:42,840 INFO L87 Difference]: Start difference. First operand 519 states and 590 transitions. Second operand 8 states. [2020-09-25 12:10:43,335 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:10:45,457 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:10:47,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:10:47,305 INFO L93 Difference]: Finished difference Result 1439 states and 1821 transitions. [2020-09-25 12:10:47,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-25 12:10:47,306 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 187 [2020-09-25 12:10:47,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:10:47,329 INFO L225 Difference]: With dead ends: 1439 [2020-09-25 12:10:47,330 INFO L226 Difference]: Without dead ends: 1035 [2020-09-25 12:10:47,340 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=173, Invalid=529, Unknown=0, NotChecked=0, Total=702 [2020-09-25 12:10:47,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1035 states. [2020-09-25 12:10:47,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1035 to 795. [2020-09-25 12:10:47,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 795 states. [2020-09-25 12:10:47,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 919 transitions. [2020-09-25 12:10:47,485 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 919 transitions. Word has length 187 [2020-09-25 12:10:47,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:10:47,486 INFO L479 AbstractCegarLoop]: Abstraction has 795 states and 919 transitions. [2020-09-25 12:10:47,486 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 12:10:47,486 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 919 transitions. [2020-09-25 12:10:47,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-09-25 12:10:47,489 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:10:47,490 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] [2020-09-25 12:10:47,490 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 12:10:47,490 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:10:47,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:10:47,491 INFO L82 PathProgramCache]: Analyzing trace with hash 872929662, now seen corresponding path program 1 times [2020-09-25 12:10:47,491 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:10:47,492 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1683503001] [2020-09-25 12:10:47,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:10:47,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:47,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:47,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:48,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:50,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:52,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:52,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-25 12:10:52,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 12:10:52,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-09-25 12:10:52,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:52,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:52,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 12:10:52,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 12:10:52,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-09-25 12:10:52,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:52,898 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:10:52,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:10:52,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:52,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:53,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:53,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:10:53,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:53,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 201 [2020-09-25 12:10:53,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:53,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:53,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:10:53,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:53,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 12:10:53,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:53,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:10:53,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:53,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:53,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:53,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:10:53,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:53,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:10:53,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:53,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:53,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:10:53,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:53,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:10:53,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:53,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:10:53,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:53,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:53,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:53,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:10:53,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:53,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:10:53,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:53,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:53,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:10:53,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:53,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:10:53,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:10:53,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:10:53,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:53,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:53,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:53,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:10:53,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:53,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 12:10:53,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:53,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:53,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:10:53,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:53,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:10:53,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:53,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:10:53,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:53,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:53,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:53,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:10:53,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:53,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:10:53,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:53,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:53,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:10:53,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:53,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:10:53,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:53,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:10:53,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:53,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:53,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:53,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:10:53,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:53,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:10:53,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:53,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:53,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:10:53,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:53,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:10:53,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:53,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 12:10:53,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:53,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:53,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:53,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:53,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 12:10:53,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:10:53,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 12:10:53,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:53,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:53,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:10:53,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:10:53,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 12:10:53,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:53,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 12:10:53,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:53,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:53,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:53,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 12:10:53,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:53,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 12:10:53,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:53,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:53,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:10:53,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:53,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 12:10:53,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:53,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:10:53,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:53,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:53,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:53,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:10:53,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:53,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:10:53,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:53,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:53,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:10:53,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:53,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:10:53,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:53,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-25 12:10:53,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:53,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:53,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:53,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:10:53,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:53,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:10:53,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:53,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:53,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:10:53,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:53,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:10:53,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:53,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-09-25 12:10:53,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:10:53,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:10:53,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:10:53,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:10:53,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:10:53,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 12:10:53,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:10:53,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:10:53,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:10:53,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:10:53,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:10:53,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:10:53,454 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 12:10:53,455 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1683503001] [2020-09-25 12:10:53,455 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:10:53,456 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 12:10:53,456 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864954145] [2020-09-25 12:10:53,456 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 12:10:53,457 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:10:53,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 12:10:53,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-09-25 12:10:53,457 INFO L87 Difference]: Start difference. First operand 795 states and 919 transitions. Second operand 11 states. [2020-09-25 12:10:53,995 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:10:55,062 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-09-25 12:10:55,683 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-25 12:10:57,169 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:10:57,519 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 12:10:57,916 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:10:58,317 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:10:58,649 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:10:58,972 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:11:00,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:11:00,463 INFO L93 Difference]: Finished difference Result 1646 states and 2010 transitions. [2020-09-25 12:11:00,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-25 12:11:00,464 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 179 [2020-09-25 12:11:00,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:11:00,476 INFO L225 Difference]: With dead ends: 1646 [2020-09-25 12:11:00,476 INFO L226 Difference]: Without dead ends: 966 [2020-09-25 12:11:00,479 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 24 SyntacticMatches, 5 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=217, Invalid=595, Unknown=0, NotChecked=0, Total=812 [2020-09-25 12:11:00,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 966 states. [2020-09-25 12:11:00,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 966 to 792. [2020-09-25 12:11:00,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 792 states. [2020-09-25 12:11:00,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 792 states and 910 transitions. [2020-09-25 12:11:00,581 INFO L78 Accepts]: Start accepts. Automaton has 792 states and 910 transitions. Word has length 179 [2020-09-25 12:11:00,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:11:00,581 INFO L479 AbstractCegarLoop]: Abstraction has 792 states and 910 transitions. [2020-09-25 12:11:00,581 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 12:11:00,582 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 910 transitions. [2020-09-25 12:11:00,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-09-25 12:11:00,585 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:11:00,585 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] [2020-09-25 12:11:00,586 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 12:11:00,586 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:11:00,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:11:00,586 INFO L82 PathProgramCache]: Analyzing trace with hash 892929202, now seen corresponding path program 1 times [2020-09-25 12:11:00,586 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:11:00,587 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [814650949] [2020-09-25 12:11:00,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:11:00,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:00,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:00,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:02,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:02,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-09-25 12:11:02,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:11:02,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2001 [2020-09-25 12:11:02,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:02,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:02,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 12:11:02,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 193 [2020-09-25 12:11:02,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 12:11:02,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:11:02,965 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:11:02,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:11:02,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:02,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:03,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:03,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:11:03,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:03,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 133 [2020-09-25 12:11:03,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:03,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:03,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:11:03,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:03,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:11:03,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:03,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:11:03,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:03,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:03,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:03,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:11:03,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:03,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:11:03,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:03,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:03,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:11:03,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:03,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:11:03,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:03,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:11:03,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:03,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:03,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:03,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:11:03,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:03,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:11:03,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:03,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:03,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:11:03,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:03,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:11:03,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:03,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:11:03,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:03,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:03,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:03,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:11:03,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:03,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:11:03,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:03,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:03,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:11:03,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:03,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:11:03,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:03,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:11:03,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:03,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:03,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:03,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:11:03,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:03,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:11:03,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:03,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:03,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:11:03,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:03,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:11:03,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:03,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:11:03,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:03,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:03,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:03,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:11:03,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:03,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:11:03,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:03,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:03,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:11:03,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:03,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:11:03,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:03,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 12:11:03,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:03,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:03,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:03,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 12:11:03,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:03,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:11:03,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:03,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:03,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:11:03,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:03,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:11:03,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:11:03,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:11:03,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:03,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:03,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:03,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:11:03,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:03,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:11:03,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:03,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:03,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:11:03,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:03,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:11:03,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:03,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 12:11:03,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:03,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:03,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:03,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 12:11:03,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:03,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-09-25 12:11:03,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:03,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:03,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 12:11:03,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 12:11:03,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 12:11:03,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:03,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:11:03,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:03,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:03,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:03,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 12:11:03,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:03,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-09-25 12:11:03,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:03,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:03,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 12:11:03,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 12:11:03,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 12:11:03,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:03,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:11:03,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:03,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:03,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:03,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 12:11:03,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:03,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-25 12:11:03,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:03,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:03,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:11:03,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:03,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 12:11:03,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:03,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 12:11:03,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:03,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:03,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:03,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:11:03,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:03,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:11:03,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:03,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:03,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:11:03,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:03,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:11:03,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:03,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 12:11:03,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:03,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:03,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:03,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:11:03,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:03,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:11:03,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:03,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:03,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:11:03,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 12:11:03,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:11:03,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:03,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-09-25 12:11:03,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:03,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:03,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:03,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:11:03,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:03,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:11:03,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:03,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:03,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:11:03,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:11:03,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:11:03,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:11:03,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-25 12:11:03,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:03,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:03,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:03,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:11:03,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:03,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:11:03,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:03,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:03,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:11:03,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:11:03,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:11:03,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:11:03,525 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 12:11:03,526 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [814650949] [2020-09-25 12:11:03,526 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:11:03,526 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 12:11:03,527 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138907380] [2020-09-25 12:11:03,527 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 12:11:03,527 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:11:03,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 12:11:03,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 12:11:03,530 INFO L87 Difference]: Start difference. First operand 792 states and 910 transitions. Second operand 10 states. [2020-09-25 12:11:04,936 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:11:05,232 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:11:05,587 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:11:05,912 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:11:06,256 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:11:06,587 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:11:07,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:11:07,667 INFO L93 Difference]: Finished difference Result 1620 states and 1945 transitions. [2020-09-25 12:11:07,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 12:11:07,668 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 199 [2020-09-25 12:11:07,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:11:07,674 INFO L225 Difference]: With dead ends: 1620 [2020-09-25 12:11:07,674 INFO L226 Difference]: Without dead ends: 943 [2020-09-25 12:11:07,677 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-25 12:11:07,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 943 states. [2020-09-25 12:11:07,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 943 to 808. [2020-09-25 12:11:07,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 808 states. [2020-09-25 12:11:07,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 808 states and 926 transitions. [2020-09-25 12:11:07,785 INFO L78 Accepts]: Start accepts. Automaton has 808 states and 926 transitions. Word has length 199 [2020-09-25 12:11:07,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:11:07,787 INFO L479 AbstractCegarLoop]: Abstraction has 808 states and 926 transitions. [2020-09-25 12:11:07,787 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 12:11:07,787 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 926 transitions. [2020-09-25 12:11:07,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-09-25 12:11:07,791 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:11:07,791 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] [2020-09-25 12:11:07,792 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 12:11:07,792 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:11:07,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:11:07,793 INFO L82 PathProgramCache]: Analyzing trace with hash 767724818, now seen corresponding path program 1 times [2020-09-25 12:11:07,793 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:11:07,793 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1828169694] [2020-09-25 12:11:07,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:11:07,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:07,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:07,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:09,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:09,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-09-25 12:11:09,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:11:09,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1758 [2020-09-25 12:11:09,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:09,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:09,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:11:09,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 185 [2020-09-25 12:11:09,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:11:09,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:11:09,908 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:11:09,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:11:09,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:09,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:10,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:10,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:11:10,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:10,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-09-25 12:11:10,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:10,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:10,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:11:10,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:10,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:11:10,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:10,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:11:10,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:10,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:10,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:10,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:11:10,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:10,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:11:10,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:10,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:10,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:11:10,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:10,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:11:10,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:10,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:11:10,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:10,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:10,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:10,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:11:10,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:10,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:11:10,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:10,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:10,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:11:10,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:10,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:11:10,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:10,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:11:10,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:10,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:10,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:10,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:11:10,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:10,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:11:10,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:10,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:10,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:11:10,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:10,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:11:10,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:10,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:11:10,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:10,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:10,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:10,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:11:10,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:10,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:11:10,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:10,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:10,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:11:10,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:10,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:11:10,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:10,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:11:10,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:10,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:10,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:10,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:11:10,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:10,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:11:10,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:10,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:10,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:11:10,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:10,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:11:10,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:11:10,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 12:11:10,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:10,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:10,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:10,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 12:11:10,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:10,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:11:10,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:10,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:10,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:11:10,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:10,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:11:10,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:10,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:11:10,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:10,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:10,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:10,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:11:10,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:10,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:11:10,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:10,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:10,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:11:10,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:10,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:11:10,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:10,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 12:11:10,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:10,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking...