/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product44.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 05:22:33,594 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 05:22:33,597 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 05:22:33,625 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 05:22:33,625 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 05:22:33,633 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 05:22:33,634 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 05:22:33,637 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 05:22:33,640 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 05:22:33,641 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 05:22:33,643 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 05:22:33,645 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 05:22:33,645 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 05:22:33,650 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 05:22:33,652 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 05:22:33,654 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 05:22:33,655 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 05:22:33,656 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 05:22:33,658 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 05:22:33,666 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 05:22:33,668 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 05:22:33,669 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 05:22:33,671 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 05:22:33,672 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 05:22:33,684 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 05:22:33,684 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 05:22:33,684 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 05:22:33,688 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 05:22:33,689 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 05:22:33,690 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 05:22:33,690 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 05:22:33,694 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 05:22:33,695 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 05:22:33,699 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 05:22:33,703 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 05:22:33,703 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 05:22:33,704 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 05:22:33,704 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 05:22:33,705 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 05:22:33,706 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 05:22:33,707 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 05:22:33,708 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 05:22:33,759 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 05:22:33,760 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 05:22:33,761 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 05:22:33,761 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 05:22:33,761 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 05:22:33,762 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 05:22:33,762 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 05:22:33,762 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 05:22:33,762 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 05:22:33,762 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 05:22:33,763 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 05:22:33,763 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 05:22:33,764 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 05:22:33,764 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 05:22:33,764 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 05:22:33,764 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 05:22:33,765 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 05:22:33,765 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 05:22:33,765 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 05:22:33,765 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 05:22:33,766 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 05:22:33,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 05:22:33,766 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 05:22:33,766 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 05:22:33,767 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 05:22:33,767 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 05:22:33,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 05:22:33,767 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 05:22:33,768 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 05:22:33,768 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; [2020-09-25 05:22:34,251 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 05:22:34,265 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 05:22:34,269 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 05:22:34,271 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 05:22:34,271 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 05:22:34,272 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product44.cil.c [2020-09-25 05:22:34,351 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4ebbbb768/c0ae8cfa54b54b43b3db750fba6db9fb/FLAG4e79bc540 [2020-09-25 05:22:34,908 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 05:22:34,909 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product44.cil.c [2020-09-25 05:22:34,925 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4ebbbb768/c0ae8cfa54b54b43b3db750fba6db9fb/FLAG4e79bc540 [2020-09-25 05:22:35,201 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4ebbbb768/c0ae8cfa54b54b43b3db750fba6db9fb [2020-09-25 05:22:35,215 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 05:22:35,221 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 05:22:35,222 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 05:22:35,222 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 05:22:35,227 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 05:22:35,228 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:22:35" (1/1) ... [2020-09-25 05:22:35,232 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@766fc771 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:22:35, skipping insertion in model container [2020-09-25 05:22:35,232 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:22:35" (1/1) ... [2020-09-25 05:22:35,241 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 05:22:35,292 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 05:22:35,727 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:22:35,749 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 05:22:35,880 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:22:35,923 INFO L208 MainTranslator]: Completed translation [2020-09-25 05:22:35,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:22:35 WrapperNode [2020-09-25 05:22:35,923 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 05:22:35,924 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 05:22:35,924 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 05:22:35,925 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 05:22:35,940 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:22:35" (1/1) ... [2020-09-25 05:22:35,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:22:35" (1/1) ... [2020-09-25 05:22:35,960 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:22:35" (1/1) ... [2020-09-25 05:22:35,961 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:22:35" (1/1) ... [2020-09-25 05:22:35,992 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:22:35" (1/1) ... [2020-09-25 05:22:36,004 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:22:35" (1/1) ... [2020-09-25 05:22:36,010 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:22:35" (1/1) ... [2020-09-25 05:22:36,018 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 05:22:36,018 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 05:22:36,019 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 05:22:36,019 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 05:22:36,020 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:22:35" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 05:22:36,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 05:22:36,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 05:22:36,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 05:22:36,125 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 05:22:36,125 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 05:22:36,125 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 05:22:36,125 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 05:22:36,126 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 05:22:36,126 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 05:22:36,127 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 05:22:36,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 05:22:36,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 05:22:36,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 05:22:36,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 05:22:36,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 05:22:36,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 05:22:36,129 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 05:22:36,129 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 05:22:36,129 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 05:22:36,129 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-25 05:22:36,130 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 05:22:36,130 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 05:22:36,130 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 05:22:36,130 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 05:22:36,130 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 05:22:36,131 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 05:22:36,131 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 05:22:36,132 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 05:22:36,132 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 05:22:36,132 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 05:22:36,132 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 05:22:36,132 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 05:22:36,133 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 05:22:36,133 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 05:22:36,133 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 05:22:36,133 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 05:22:36,133 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 05:22:36,133 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 05:22:36,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 05:22:36,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 05:22:36,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 05:22:36,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 05:22:36,134 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 05:22:36,134 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 05:22:36,134 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 05:22:36,135 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 05:22:36,135 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 05:22:36,135 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 05:22:36,135 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 05:22:36,135 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 05:22:36,136 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 05:22:36,136 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 05:22:36,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 05:22:36,136 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 05:22:36,136 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 05:22:36,137 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 05:22:36,137 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 05:22:36,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 05:22:36,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 05:22:36,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 05:22:36,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 05:22:36,137 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 05:22:36,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 05:22:36,138 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 05:22:36,138 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 05:22:36,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 05:22:36,138 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 05:22:36,138 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 05:22:36,138 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 05:22:36,138 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 05:22:36,138 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 05:22:36,139 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 05:22:36,139 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 05:22:36,139 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 05:22:36,139 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 05:22:36,139 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 05:22:36,139 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 05:22:36,140 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 05:22:36,140 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 05:22:36,140 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 05:22:36,140 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 05:22:36,140 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-25 05:22:36,140 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 05:22:36,140 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 05:22:36,140 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 05:22:36,141 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 05:22:36,147 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 05:22:36,148 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 05:22:36,148 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 05:22:36,148 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 05:22:36,148 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 05:22:36,148 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 05:22:36,149 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 05:22:36,149 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 05:22:36,149 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 05:22:36,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 05:22:36,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 05:22:36,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 05:22:37,413 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 05:22:37,413 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 05:22:37,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:22:37 BoogieIcfgContainer [2020-09-25 05:22:37,421 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 05:22:37,422 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 05:22:37,422 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 05:22:37,426 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 05:22:37,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 05:22:35" (1/3) ... [2020-09-25 05:22:37,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eca22ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:22:37, skipping insertion in model container [2020-09-25 05:22:37,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:22:35" (2/3) ... [2020-09-25 05:22:37,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eca22ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:22:37, skipping insertion in model container [2020-09-25 05:22:37,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:22:37" (3/3) ... [2020-09-25 05:22:37,430 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product44.cil.c [2020-09-25 05:22:37,442 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 05:22:37,453 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 05:22:37,475 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 05:22:37,507 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 05:22:37,507 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 05:22:37,507 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 05:22:37,508 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 05:22:37,508 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 05:22:37,508 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 05:22:37,508 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 05:22:37,508 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 05:22:37,538 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states. [2020-09-25 05:22:37,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 05:22:37,557 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:22:37,559 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:22:37,559 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:22:37,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:22:37,567 INFO L82 PathProgramCache]: Analyzing trace with hash -1132386032, now seen corresponding path program 1 times [2020-09-25 05:22:37,579 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:22:37,579 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1953217199] [2020-09-25 05:22:37,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:22:37,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:38,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:38,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:39,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:39,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:42,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:42,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:42,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 05:22:42,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 05:22:42,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-09-25 05:22:42,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:42,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:42,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:42,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-25 05:22:42,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:42,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 14 [2020-09-25 05:22:43,426 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:22:43,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:22:43,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:43,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:43,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:43,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:22:43,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:43,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-09-25 05:22:43,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:43,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:43,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:43,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:43,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:43,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:43,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:22:43,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:43,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:43,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:43,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:22:43,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:43,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:43,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:43,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:43,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:43,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:43,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:43,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:43,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:22:43,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:43,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:43,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:43,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:22:43,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:43,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:43,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:43,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:43,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:43,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:43,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:43,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:43,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:22:43,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:43,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:43,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:43,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:43,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:43,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:22:43,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:43,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:43,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:43,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:43,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:43,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:43,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:22:43,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:43,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:43,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:43,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:22:43,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:43,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:43,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:43,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:43,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:43,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:43,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:43,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:43,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:22:43,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:43,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:43,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:43,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:22:43,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:43,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:43,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:43,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:43,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:43,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:43,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:43,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:43,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 05:22:43,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:43,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:43,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:43,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 05:22:43,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:43,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:22:43,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:43,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:43,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:43,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 05:22:43,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:43,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:43,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:22:43,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:43,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:43,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:43,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:43,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:43,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:22:43,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:43,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:43,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:43,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:43,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:43,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:43,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 05:22:43,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:43,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:43,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:43,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:43,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:43,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:22:43,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:43,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:43,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:43,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:22:43,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:43,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:43,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 05:22:43,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:43,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:43,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:43,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:43,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:43,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:22:43,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:43,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:43,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:43,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:22:43,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:43,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:43,750 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 05:22:43,750 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1953217199] [2020-09-25 05:22:43,753 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:22:43,753 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 05:22:43,754 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588583647] [2020-09-25 05:22:43,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 05:22:43,792 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:22:43,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 05:22:43,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 05:22:43,815 INFO L87 Difference]: Start difference. First operand 326 states. Second operand 4 states. [2020-09-25 05:22:45,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:22:45,351 INFO L93 Difference]: Finished difference Result 514 states and 599 transitions. [2020-09-25 05:22:45,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 05:22:45,354 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-25 05:22:45,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:22:45,375 INFO L225 Difference]: With dead ends: 514 [2020-09-25 05:22:45,375 INFO L226 Difference]: Without dead ends: 324 [2020-09-25 05:22:45,382 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 05:22:45,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2020-09-25 05:22:45,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 275. [2020-09-25 05:22:45,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275 states. [2020-09-25 05:22:45,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 297 transitions. [2020-09-25 05:22:45,508 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 297 transitions. Word has length 160 [2020-09-25 05:22:45,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:22:45,511 INFO L479 AbstractCegarLoop]: Abstraction has 275 states and 297 transitions. [2020-09-25 05:22:45,511 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 05:22:45,511 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 297 transitions. [2020-09-25 05:22:45,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 05:22:45,524 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:22:45,525 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:22:45,525 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 05:22:45,526 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:22:45,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:22:45,526 INFO L82 PathProgramCache]: Analyzing trace with hash 411704185, now seen corresponding path program 1 times [2020-09-25 05:22:45,526 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:22:45,527 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2107309943] [2020-09-25 05:22:45,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:22:45,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:45,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:45,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:47,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:48,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:49,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:50,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:50,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-25 05:22:50,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 05:22:50,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-09-25 05:22:50,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:50,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:50,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:22:50,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 05:22:50,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 05:22:50,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:50,968 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:22:50,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:22:50,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:50,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:51,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:51,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:22:51,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:51,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-09-25 05:22:51,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:51,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:51,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:51,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:51,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:51,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:51,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:22:51,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:51,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:51,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:51,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:22:51,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:51,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:22:51,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:51,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:51,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:51,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:51,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:51,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:51,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:22:51,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:51,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:51,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:51,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:22:51,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:51,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:51,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:51,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:51,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:51,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:51,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:51,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:51,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:22:51,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:51,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:51,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:51,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:51,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:51,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 05:22:51,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:51,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:51,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:51,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:51,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:51,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 05:22:51,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:22:51,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:51,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:51,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:51,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:22:51,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:51,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:22:51,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:51,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:51,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:51,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:51,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:51,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:51,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:22:51,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:51,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:51,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:51,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:22:51,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:51,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:51,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:51,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:51,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:51,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:51,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:51,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:51,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 05:22:51,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:51,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:51,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:51,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 05:22:51,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:51,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:22:51,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:51,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:51,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:51,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 05:22:51,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:51,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:51,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:22:51,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:51,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:51,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:51,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:51,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:51,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:22:51,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:51,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:51,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:51,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:51,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:51,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:51,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 05:22:51,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:51,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:51,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:51,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:51,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:51,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:51,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:51,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:51,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:51,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:22:51,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:51,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:51,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 05:22:51,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:51,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:51,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:51,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:51,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:51,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:51,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:51,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:51,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:51,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:22:51,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:51,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:51,289 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 05:22:51,290 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2107309943] [2020-09-25 05:22:51,290 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:22:51,290 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 05:22:51,291 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051376290] [2020-09-25 05:22:51,294 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 05:22:51,294 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:22:51,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 05:22:51,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 05:22:51,295 INFO L87 Difference]: Start difference. First operand 275 states and 297 transitions. Second operand 5 states. [2020-09-25 05:22:52,006 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:22:53,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:22:53,157 INFO L93 Difference]: Finished difference Result 430 states and 481 transitions. [2020-09-25 05:22:53,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 05:22:53,160 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-25 05:22:53,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:22:53,164 INFO L225 Difference]: With dead ends: 430 [2020-09-25 05:22:53,164 INFO L226 Difference]: Without dead ends: 313 [2020-09-25 05:22:53,166 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 05:22:53,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2020-09-25 05:22:53,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 265. [2020-09-25 05:22:53,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2020-09-25 05:22:53,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 284 transitions. [2020-09-25 05:22:53,222 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 284 transitions. Word has length 161 [2020-09-25 05:22:53,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:22:53,223 INFO L479 AbstractCegarLoop]: Abstraction has 265 states and 284 transitions. [2020-09-25 05:22:53,223 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 05:22:53,223 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 284 transitions. [2020-09-25 05:22:53,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-25 05:22:53,225 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:22:53,226 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:22:53,226 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 05:22:53,226 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:22:53,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:22:53,226 INFO L82 PathProgramCache]: Analyzing trace with hash 60241941, now seen corresponding path program 1 times [2020-09-25 05:22:53,227 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:22:53,227 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [743927877] [2020-09-25 05:22:53,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:22:53,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:53,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:53,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:53,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:55,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:58,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:58,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-25 05:22:58,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 05:22:58,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-25 05:22:58,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:58,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:58,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:22:58,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-25 05:22:58,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 05:22:58,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:58,652 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:22:58,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:22:58,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:58,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:58,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:58,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:22:58,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:58,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-09-25 05:22:58,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:58,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:58,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:58,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:58,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:58,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:58,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:22:58,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:58,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:58,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:58,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:22:58,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:58,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:58,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:58,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:58,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:58,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:58,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:58,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:58,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:22:58,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:58,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:58,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:58,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:22:58,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:58,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:22:58,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:58,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:58,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:58,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:58,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:58,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:58,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:22:58,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:58,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:58,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:58,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:58,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:58,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:22:58,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:58,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:58,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:58,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:58,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:58,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:58,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:22:58,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:58,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:58,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:58,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:22:58,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:58,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:22:58,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:58,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:58,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:58,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:58,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:58,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:58,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:22:58,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:58,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:58,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:58,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:22:58,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:58,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:58,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:58,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:58,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:58,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:58,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:58,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:58,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 05:22:58,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:58,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:58,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:58,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:22:58,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:58,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:22:58,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:58,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:58,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:22:58,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:58,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 05:22:58,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:58,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 05:22:58,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:58,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:58,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:58,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 05:22:58,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:58,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 05:22:58,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:58,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:58,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:22:58,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:58,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 05:22:58,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:58,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:22:58,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:58,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:58,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:58,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:58,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:58,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:58,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:58,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:58,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:58,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:22:58,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:58,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:58,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-25 05:22:58,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:58,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:58,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:58,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:58,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:58,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:58,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:58,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:58,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:58,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:22:58,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:58,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:22:58,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-25 05:22:58,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:22:58,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:22:58,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:22:58,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:22:58,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:22:58,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:22:58,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:22:58,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:22:58,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:22:58,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:22:58,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:22:58,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:22:58,946 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 05:22:58,948 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [743927877] [2020-09-25 05:22:58,948 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:22:58,948 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 05:22:58,949 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48092422] [2020-09-25 05:22:58,951 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 05:22:58,952 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:22:58,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 05:22:58,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 05:22:58,957 INFO L87 Difference]: Start difference. First operand 265 states and 284 transitions. Second operand 6 states. [2020-09-25 05:22:59,523 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:23:01,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:23:01,496 INFO L93 Difference]: Finished difference Result 643 states and 736 transitions. [2020-09-25 05:23:01,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 05:23:01,497 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2020-09-25 05:23:01,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:23:01,502 INFO L225 Difference]: With dead ends: 643 [2020-09-25 05:23:01,502 INFO L226 Difference]: Without dead ends: 493 [2020-09-25 05:23:01,504 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 05:23:01,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2020-09-25 05:23:01,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 399. [2020-09-25 05:23:01,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2020-09-25 05:23:01,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 436 transitions. [2020-09-25 05:23:01,564 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 436 transitions. Word has length 174 [2020-09-25 05:23:01,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:23:01,565 INFO L479 AbstractCegarLoop]: Abstraction has 399 states and 436 transitions. [2020-09-25 05:23:01,565 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 05:23:01,565 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 436 transitions. [2020-09-25 05:23:01,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-09-25 05:23:01,568 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:23:01,568 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 05:23:01,568 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 05:23:01,569 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:23:01,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:23:01,569 INFO L82 PathProgramCache]: Analyzing trace with hash -520729636, now seen corresponding path program 1 times [2020-09-25 05:23:01,569 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:23:01,570 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [322829586] [2020-09-25 05:23:01,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:23:01,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:01,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:01,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:02,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:04,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:06,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:06,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-25 05:23:06,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 05:23:06,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-25 05:23:06,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:06,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:06,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 05:23:06,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-09-25 05:23:06,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-09-25 05:23:06,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:07,012 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:23:07,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:23:07,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:07,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:07,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:07,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:23:07,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:07,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-09-25 05:23:07,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:07,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:07,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:07,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:07,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:07,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:07,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:23:07,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:07,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:07,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:07,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:23:07,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:07,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:07,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:07,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:07,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:07,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:07,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:07,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:07,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:23:07,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:07,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:07,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:07,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:23:07,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:07,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:07,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:07,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:07,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:07,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:07,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:07,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:07,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:23:07,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:07,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:07,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:07,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:07,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:07,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:07,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:07,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:07,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:07,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:07,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:07,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:07,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:23:07,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:07,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:07,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:07,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:23:07,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:07,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:23:07,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:07,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:07,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:07,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:07,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:07,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:07,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:23:07,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:07,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:07,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:07,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:23:07,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:07,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:07,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:07,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:07,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:07,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:07,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:07,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:07,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 05:23:07,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:07,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:07,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:07,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 05:23:07,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:07,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:23:07,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:07,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:07,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:23:07,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:07,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 05:23:07,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:07,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 05:23:07,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:07,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:07,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:07,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 05:23:07,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:07,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 05:23:07,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:07,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:07,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:23:07,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:07,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 05:23:07,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:07,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:23:07,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:07,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:07,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:07,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:07,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:07,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:07,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:07,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:07,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:07,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:07,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:07,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:07,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-25 05:23:07,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:07,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:07,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:07,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:07,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:07,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:23:07,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:07,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:07,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:23:07,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:07,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:23:07,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:07,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-09-25 05:23:07,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:07,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:07,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:07,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:07,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:07,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 05:23:07,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:07,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:07,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 05:23:07,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:07,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:23:07,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:07,467 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 05:23:07,467 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [322829586] [2020-09-25 05:23:07,468 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:23:07,468 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 05:23:07,469 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612527480] [2020-09-25 05:23:07,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 05:23:07,470 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:23:07,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 05:23:07,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 05:23:07,471 INFO L87 Difference]: Start difference. First operand 399 states and 436 transitions. Second operand 10 states. [2020-09-25 05:23:08,062 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:23:09,199 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 05:23:09,542 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 05:23:10,959 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:23:11,287 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 05:23:11,658 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:23:12,397 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 05:23:12,756 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 05:23:13,079 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 05:23:13,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:23:13,433 INFO L93 Difference]: Finished difference Result 934 states and 1094 transitions. [2020-09-25 05:23:13,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-25 05:23:13,434 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 179 [2020-09-25 05:23:13,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:23:13,440 INFO L225 Difference]: With dead ends: 934 [2020-09-25 05:23:13,441 INFO L226 Difference]: Without dead ends: 650 [2020-09-25 05:23:13,442 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-09-25 05:23:13,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2020-09-25 05:23:13,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 565. [2020-09-25 05:23:13,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 565 states. [2020-09-25 05:23:13,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 628 transitions. [2020-09-25 05:23:13,522 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 628 transitions. Word has length 179 [2020-09-25 05:23:13,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:23:13,522 INFO L479 AbstractCegarLoop]: Abstraction has 565 states and 628 transitions. [2020-09-25 05:23:13,522 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 05:23:13,523 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 628 transitions. [2020-09-25 05:23:13,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-09-25 05:23:13,526 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:23:13,527 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:23:13,527 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 05:23:13,527 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:23:13,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:23:13,528 INFO L82 PathProgramCache]: Analyzing trace with hash 956612866, now seen corresponding path program 1 times [2020-09-25 05:23:13,528 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:23:13,528 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1388253368] [2020-09-25 05:23:13,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:23:13,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:13,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:14,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:14,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-09-25 05:23:14,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:14,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 829 [2020-09-25 05:23:14,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:14,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:14,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 05:23:14,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 201 [2020-09-25 05:23:14,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 05:23:14,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:14,676 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:23:14,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:23:14,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:14,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:14,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:14,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:23:14,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:14,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-09-25 05:23:14,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:14,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:14,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:14,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:14,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:14,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:14,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:23:14,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:14,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:14,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:14,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:23:14,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:14,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:23:14,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:14,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:14,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:14,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:14,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:14,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:14,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:23:14,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:14,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:14,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:14,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:23:14,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:14,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:23:14,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:14,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:14,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:14,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:14,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:14,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:14,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:23:14,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:14,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:14,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:14,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:14,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:14,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:23:14,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:14,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:14,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:14,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:14,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:14,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:14,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:23:14,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:14,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:14,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:14,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:23:14,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:14,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:23:14,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:14,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:14,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:14,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:14,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:14,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:14,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:23:14,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:14,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:14,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:14,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:23:14,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:14,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:14,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:14,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:14,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:14,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:14,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:14,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:14,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 05:23:14,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:14,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:14,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:14,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:23:14,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:14,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:23:14,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:14,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:14,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:14,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:14,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:14,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:14,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 05:23:14,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:14,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:14,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:14,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 05:23:14,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:14,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 05:23:14,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:14,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:14,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:14,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:14,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:14,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:14,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:23:14,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:14,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:14,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:14,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:14,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:14,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:14,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:14,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:14,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:14,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:14,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:14,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:14,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 05:23:14,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:14,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:15,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:15,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 05:23:15,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:15,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-09-25 05:23:15,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:15,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:15,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 05:23:15,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 05:23:15,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 05:23:15,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:15,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:23:15,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:15,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:15,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:15,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 05:23:15,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:15,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-25 05:23:15,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:15,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:15,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 05:23:15,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:15,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 05:23:15,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:23:15,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:23:15,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:15,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:15,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:15,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:23:15,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:15,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:23:15,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:15,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:15,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:15,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:15,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:15,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:15,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 05:23:15,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:15,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:15,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:15,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 05:23:15,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:15,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 05:23:15,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:15,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:15,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:15,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 05:23:15,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:15,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:15,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 05:23:15,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:15,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:15,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:15,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 05:23:15,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:15,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:15,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:15,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:15,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:15,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:15,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:15,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:15,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 05:23:15,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:15,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:15,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:15,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:15,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:15,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:15,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:15,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:15,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:15,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:15,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:15,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:15,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 05:23:15,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:15,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:15,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:15,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:23:15,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:15,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:23:15,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:15,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:15,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:15,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:15,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:15,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:15,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-09-25 05:23:15,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:15,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:15,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:15,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:15,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:15,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:15,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:15,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:15,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:15,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:23:15,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:15,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:15,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-09-25 05:23:15,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:15,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:15,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:15,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:15,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:15,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:15,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:15,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:15,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:15,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:23:15,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:15,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:15,305 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 05:23:15,305 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1388253368] [2020-09-25 05:23:15,306 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:23:15,306 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 05:23:15,306 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789755085] [2020-09-25 05:23:15,307 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 05:23:15,307 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:23:15,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 05:23:15,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 05:23:15,308 INFO L87 Difference]: Start difference. First operand 565 states and 628 transitions. Second operand 11 states. [2020-09-25 05:23:16,924 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:23:17,254 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 05:23:17,571 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 05:23:17,923 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:23:18,244 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 05:23:18,541 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:23:19,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:23:19,681 INFO L93 Difference]: Finished difference Result 1204 states and 1446 transitions. [2020-09-25 05:23:19,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-25 05:23:19,681 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 229 [2020-09-25 05:23:19,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:23:19,688 INFO L225 Difference]: With dead ends: 1204 [2020-09-25 05:23:19,688 INFO L226 Difference]: Without dead ends: 754 [2020-09-25 05:23:19,690 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-25 05:23:19,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2020-09-25 05:23:19,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 584. [2020-09-25 05:23:19,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 584 states. [2020-09-25 05:23:19,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 647 transitions. [2020-09-25 05:23:19,780 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 647 transitions. Word has length 229 [2020-09-25 05:23:19,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:23:19,781 INFO L479 AbstractCegarLoop]: Abstraction has 584 states and 647 transitions. [2020-09-25 05:23:19,781 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 05:23:19,781 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 647 transitions. [2020-09-25 05:23:19,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-09-25 05:23:19,785 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:23:19,785 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:23:19,785 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 05:23:19,785 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:23:19,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:23:19,786 INFO L82 PathProgramCache]: Analyzing trace with hash -1898555038, now seen corresponding path program 1 times [2020-09-25 05:23:19,786 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:23:19,786 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [187770930] [2020-09-25 05:23:19,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:23:19,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:19,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:20,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:20,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-09-25 05:23:20,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:20,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 737 [2020-09-25 05:23:20,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:20,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:20,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 05:23:20,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 193 [2020-09-25 05:23:20,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 05:23:20,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:20,886 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:23:20,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:23:20,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:20,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:21,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:21,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:23:21,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:21,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-09-25 05:23:21,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:21,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:21,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:21,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:21,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:21,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:21,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:23:21,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:21,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:21,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:21,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:23:21,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:21,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:23:21,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:21,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:21,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:21,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:21,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:21,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:21,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:23:21,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:21,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:21,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:21,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:23:21,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:21,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:23:21,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:21,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:21,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:21,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:21,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:21,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:21,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:23:21,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:21,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:21,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:21,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:21,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:21,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:23:21,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:21,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:21,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:21,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:21,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:21,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:21,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:23:21,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:21,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:21,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:21,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:23:21,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:21,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:23:21,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:21,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:21,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:21,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:21,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:21,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:21,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:23:21,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:21,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:21,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:21,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:23:21,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:21,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:21,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:21,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:21,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:21,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:21,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:21,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:21,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 05:23:21,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:21,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:21,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:21,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:23:21,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:21,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:21,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:21,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:21,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:21,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:21,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:21,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:21,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 05:23:21,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:21,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:21,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:21,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 05:23:21,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:21,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:21,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:21,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:21,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:21,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:21,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:21,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:21,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:23:21,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:21,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:21,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:21,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:21,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:21,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:23:21,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:21,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:21,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:21,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:21,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:21,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:21,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 05:23:21,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:21,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:21,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:21,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 05:23:21,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:21,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-09-25 05:23:21,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:21,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:21,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 05:23:21,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 05:23:21,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 05:23:21,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:23:21,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:23:21,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:21,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:21,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:21,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 05:23:21,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:21,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 05:23:21,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:21,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:21,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 05:23:21,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 05:23:21,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 05:23:21,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:21,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:23:21,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:21,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:21,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:21,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:23:21,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:21,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 05:23:21,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:21,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:21,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 05:23:21,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:21,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:23:21,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:21,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 05:23:21,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:21,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:21,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:21,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 05:23:21,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:21,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 05:23:21,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:21,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:21,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:21,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 05:23:21,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:21,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:23:21,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 05:23:21,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:21,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:21,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:21,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 05:23:21,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:21,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:23:21,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:21,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:21,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:21,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:21,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:21,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:23:21,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 05:23:21,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:21,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:21,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:21,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:21,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:21,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:23:21,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:21,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:21,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:21,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:21,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:21,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:21,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 05:23:21,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:21,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:21,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:21,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:23:21,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:21,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:21,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:21,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:21,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:21,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:21,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:21,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:21,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-09-25 05:23:21,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:21,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:21,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:21,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:21,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:21,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:21,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:21,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:21,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:21,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:23:21,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:21,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:23:21,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-09-25 05:23:21,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:21,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:21,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:21,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:21,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:21,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:21,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:21,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:21,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:21,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:23:21,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:21,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:23:21,417 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 05:23:21,417 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [187770930] [2020-09-25 05:23:21,417 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:23:21,418 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 05:23:21,418 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782972862] [2020-09-25 05:23:21,418 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 05:23:21,419 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:23:21,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 05:23:21,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-25 05:23:21,419 INFO L87 Difference]: Start difference. First operand 584 states and 647 transitions. Second operand 10 states. [2020-09-25 05:23:22,857 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:23:23,157 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 05:23:23,488 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 190