/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 SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 01:41:39,566 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 01:41:39,569 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 01:41:39,607 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 01:41:39,608 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 01:41:39,619 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 01:41:39,621 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 01:41:39,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 01:41:39,627 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 01:41:39,630 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 01:41:39,631 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 01:41:39,632 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 01:41:39,632 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 01:41:39,635 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 01:41:39,639 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 01:41:39,640 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 01:41:39,641 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 01:41:39,644 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 01:41:39,645 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 01:41:39,649 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 01:41:39,653 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 01:41:39,654 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 01:41:39,655 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 01:41:39,656 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 01:41:39,660 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 01:41:39,660 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 01:41:39,661 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 01:41:39,663 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 01:41:39,663 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 01:41:39,664 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 01:41:39,664 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 01:41:39,665 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 01:41:39,666 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 01:41:39,667 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 01:41:39,668 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 01:41:39,668 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 01:41:39,669 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 01:41:39,669 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 01:41:39,669 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 01:41:39,670 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 01:41:39,672 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 01:41:39,672 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 [2020-10-15 01:41:39,712 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 01:41:39,713 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 01:41:39,715 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 01:41:39,715 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 01:41:39,715 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 01:41:39,715 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 01:41:39,716 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 01:41:39,716 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 01:41:39,716 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 01:41:39,716 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 01:41:39,717 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 01:41:39,718 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 01:41:39,718 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 01:41:39,718 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 01:41:39,719 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 01:41:39,719 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 01:41:39,719 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 01:41:39,719 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 01:41:39,719 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 01:41:39,719 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 01:41:39,720 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 01:41:39,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 01:41:39,720 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 01:41:39,720 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 01:41:39,720 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 01:41:39,721 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 01:41:39,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 01:41:39,721 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 01:41:39,721 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 01:41:39,721 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 -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 01:41:39,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 01:41:40,019 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 01:41:40,026 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 01:41:40,028 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 01:41:40,029 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 01:41:40,029 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_productSimulator.cil.c [2020-10-15 01:41:40,099 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d3b473b95/83babcc94094400abddfdb705ef0cc05/FLAG31819f481 [2020-10-15 01:41:40,642 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 01:41:40,643 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_productSimulator.cil.c [2020-10-15 01:41:40,673 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d3b473b95/83babcc94094400abddfdb705ef0cc05/FLAG31819f481 [2020-10-15 01:41:40,931 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d3b473b95/83babcc94094400abddfdb705ef0cc05 [2020-10-15 01:41:40,940 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 01:41:40,941 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 01:41:40,942 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 01:41:40,943 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 01:41:40,946 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 01:41:40,948 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:41:40" (1/1) ... [2020-10-15 01:41:40,951 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dcb8d08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:41:40, skipping insertion in model container [2020-10-15 01:41:40,952 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:41:40" (1/1) ... [2020-10-15 01:41:40,959 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 01:41:41,026 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 01:41:41,502 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 01:41:41,521 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 01:41:41,629 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 01:41:41,676 INFO L208 MainTranslator]: Completed translation [2020-10-15 01:41:41,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:41:41 WrapperNode [2020-10-15 01:41:41,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 01:41:41,677 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 01:41:41,678 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 01:41:41,678 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 01:41:41,691 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:41:41" (1/1) ... [2020-10-15 01:41:41,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:41:41" (1/1) ... [2020-10-15 01:41:41,712 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:41:41" (1/1) ... [2020-10-15 01:41:41,712 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:41:41" (1/1) ... [2020-10-15 01:41:41,765 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:41:41" (1/1) ... [2020-10-15 01:41:41,787 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:41:41" (1/1) ... [2020-10-15 01:41:41,792 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:41:41" (1/1) ... [2020-10-15 01:41:41,800 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 01:41:41,801 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 01:41:41,801 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 01:41:41,801 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 01:41:41,802 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:41:41" (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 [2020-10-15 01:41:41,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 01:41:41,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 01:41:41,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-15 01:41:41,864 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-15 01:41:41,865 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-15 01:41:41,865 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-15 01:41:41,865 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-15 01:41:41,865 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-15 01:41:41,865 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-15 01:41:41,865 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-15 01:41:41,866 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-15 01:41:41,866 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-15 01:41:41,866 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__highWaterSensor [2020-10-15 01:41:41,866 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__highWaterSensor [2020-10-15 01:41:41,866 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__lowWaterSensor [2020-10-15 01:41:41,866 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__lowWaterSensor [2020-10-15 01:41:41,866 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__methaneAlarm [2020-10-15 01:41:41,867 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__methaneAlarm [2020-10-15 01:41:41,867 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-15 01:41:41,867 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__before__methaneQuery [2020-10-15 01:41:41,867 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__role__methaneQuery [2020-10-15 01:41:41,867 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-15 01:41:41,867 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-15 01:41:41,868 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-15 01:41:41,868 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-15 01:41:41,868 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-15 01:41:41,868 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-15 01:41:41,868 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-15 01:41:41,868 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-15 01:41:41,869 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-15 01:41:41,869 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-15 01:41:41,869 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-15 01:41:41,869 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-15 01:41:41,869 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-15 01:41:41,869 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 01:41:41,869 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-15 01:41:41,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-15 01:41:41,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-15 01:41:41,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-15 01:41:41,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-15 01:41:41,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-15 01:41:41,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-15 01:41:41,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-15 01:41:41,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-15 01:41:41,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-15 01:41:41,871 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-15 01:41:41,871 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-15 01:41:41,871 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-15 01:41:41,871 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-15 01:41:41,872 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 01:41:41,872 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 01:41:41,872 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-15 01:41:41,872 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-15 01:41:41,872 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-15 01:41:41,873 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-15 01:41:41,873 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-15 01:41:41,873 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-15 01:41:41,873 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-15 01:41:41,873 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-15 01:41:41,873 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-15 01:41:41,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 01:41:41,874 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-15 01:41:41,874 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-15 01:41:41,874 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-15 01:41:41,874 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-15 01:41:41,874 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-15 01:41:41,874 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-15 01:41:41,874 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-15 01:41:41,875 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-15 01:41:41,875 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-15 01:41:41,875 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__highWaterSensor [2020-10-15 01:41:41,875 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-15 01:41:41,875 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__highWaterSensor [2020-10-15 01:41:41,875 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__lowWaterSensor [2020-10-15 01:41:41,876 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-15 01:41:41,876 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__lowWaterSensor [2020-10-15 01:41:41,876 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__methaneAlarm [2020-10-15 01:41:41,876 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-15 01:41:41,876 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__methaneAlarm [2020-10-15 01:41:41,876 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__before__methaneQuery [2020-10-15 01:41:41,877 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__role__methaneQuery [2020-10-15 01:41:41,877 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-15 01:41:41,877 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-15 01:41:41,877 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-15 01:41:41,877 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-15 01:41:41,877 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-15 01:41:41,877 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-15 01:41:41,878 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-15 01:41:41,878 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-15 01:41:41,878 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-15 01:41:41,878 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 01:41:41,878 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-15 01:41:41,878 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-15 01:41:41,878 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-15 01:41:41,879 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-15 01:41:41,879 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-15 01:41:41,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-15 01:41:41,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-15 01:41:41,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 01:41:41,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-15 01:41:41,879 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-15 01:41:41,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 01:41:41,880 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-15 01:41:41,880 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-15 01:41:41,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 01:41:41,880 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-15 01:41:41,880 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-15 01:41:41,880 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-15 01:41:41,881 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-15 01:41:41,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 01:41:41,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 01:41:41,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 01:41:42,988 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 01:41:42,988 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-15 01:41:42,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:41:42 BoogieIcfgContainer [2020-10-15 01:41:42,994 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 01:41:42,996 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 01:41:42,996 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 01:41:42,999 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 01:41:42,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:41:40" (1/3) ... [2020-10-15 01:41:43,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72bd5eaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:41:43, skipping insertion in model container [2020-10-15 01:41:43,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:41:41" (2/3) ... [2020-10-15 01:41:43,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72bd5eaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:41:43, skipping insertion in model container [2020-10-15 01:41:43,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:41:42" (3/3) ... [2020-10-15 01:41:43,003 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_productSimulator.cil.c [2020-10-15 01:41:43,014 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 01:41:43,022 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 01:41:43,036 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 01:41:43,062 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 01:41:43,062 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 01:41:43,062 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 01:41:43,062 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 01:41:43,063 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 01:41:43,063 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 01:41:43,063 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 01:41:43,063 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 01:41:43,088 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states. [2020-10-15 01:41:43,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-10-15 01:41:43,102 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:41:43,103 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:41:43,103 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:41:43,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:41:43,110 INFO L82 PathProgramCache]: Analyzing trace with hash 2065144369, now seen corresponding path program 1 times [2020-10-15 01:41:43,120 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:41:43,120 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [883150821] [2020-10-15 01:41:43,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:41:43,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:41:43,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:41:43,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:41:44,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:41:45,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:41:46,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:41:47,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:41:48,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:41:48,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-15 01:41:48,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 01:41:48,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-10-15 01:41:48,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:41:48,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:41:48,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 01:41:48,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:41:48,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-15 01:41:48,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-15 01:41:48,944 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-15 01:41:48,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:41:48,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:41:49,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:41:49,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:41:49,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:41:49,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:41:49,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-10-15 01:41:49,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:41:49,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:41:49,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:41:49,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:41:49,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:41:49,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:41:49,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:41:49,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:41:49,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:41:49,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:41:49,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:41:49,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:41:49,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:41:49,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:41:49,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:41:49,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:41:49,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:41:49,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:41:49,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:41:49,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 01:41:49,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:41:49,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:41:49,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:41:49,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-15 01:41:49,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:41:49,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-15 01:41:49,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:41:49,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:41:49,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:41:49,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:41:49,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-15 01:41:49,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:41:49,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:41:49,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:41:49,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:41:49,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:41:49,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:41:49,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:41:49,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 01:41:49,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:41:49,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:41:49,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:41:49,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:41:49,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:41:49,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:41:49,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:41:49,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:41:49,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:41:49,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:41:49,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:41:49,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:41:49,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:41:49,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:41:49,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:41:49,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:41:49,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:41:49,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:41:49,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:41:49,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-15 01:41:49,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:41:49,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:41:49,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:41:49,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:41:49,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:41:49,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:41:49,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:41:49,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:41:49,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:41:49,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:41:49,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:41:49,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:41:49,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:41:49,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:41:49,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:41:49,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:41:49,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:41:49,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:41:49,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:41:49,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:41:49,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:41:49,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:41:49,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:41:49,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:41:49,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 01:41:49,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 01:41:49,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:41:49,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:41:49,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:41:49,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:41:49,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:41:49,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:41:49,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:41:49,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:41:49,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:41:49,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:41:49,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:41:49,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:41:49,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-15 01:41:49,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:41:49,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:41:49,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:41:49,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:41:49,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:41:49,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 01:41:49,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:41:49,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:41:49,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:41:49,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:41:49,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:41:49,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:41:49,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-15 01:41:49,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:41:49,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:41:49,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:41:49,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:41:49,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:41:49,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 01:41:49,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:41:49,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:41:49,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:41:49,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:41:49,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:41:49,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:41:49,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-15 01:41:49,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:41:49,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:41:49,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:41:49,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:41:49,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:41:49,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:41:49,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:41:49,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:41:49,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:41:49,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:41:49,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:41:49,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:41:49,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-15 01:41:49,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:41:49,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:41:49,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:41:49,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:41:49,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:41:49,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:41:49,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:41:49,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:41:49,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:41:49,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:41:49,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:41:49,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:41:49,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-15 01:41:49,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:41:49,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:41:49,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:41:49,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:41:49,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:41:49,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:41:49,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:41:49,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:41:49,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:41:49,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:41:49,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:41:49,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:41:49,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-15 01:41:49,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:41:49,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:41:49,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:41:49,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:41:49,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:41:49,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:41:49,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:41:49,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:41:49,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:41:49,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:41:49,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:41:49,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:41:49,411 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-10-15 01:41:49,412 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [883150821] [2020-10-15 01:41:49,414 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:41:49,415 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-15 01:41:49,416 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551148777] [2020-10-15 01:41:49,423 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 01:41:49,424 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:41:49,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 01:41:49,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-15 01:41:49,444 INFO L87 Difference]: Start difference. First operand 247 states. Second operand 7 states. [2020-10-15 01:41:50,267 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-15 01:41:54,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:41:54,335 INFO L93 Difference]: Finished difference Result 635 states and 843 transitions. [2020-10-15 01:41:54,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-15 01:41:54,341 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 83 [2020-10-15 01:41:54,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:41:54,364 INFO L225 Difference]: With dead ends: 635 [2020-10-15 01:41:54,364 INFO L226 Difference]: Without dead ends: 438 [2020-10-15 01:41:54,371 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2020-10-15 01:41:54,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2020-10-15 01:41:54,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 353. [2020-10-15 01:41:54,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 353 states. [2020-10-15 01:41:54,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 443 transitions. [2020-10-15 01:41:54,599 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 443 transitions. Word has length 83 [2020-10-15 01:41:54,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:41:54,600 INFO L479 AbstractCegarLoop]: Abstraction has 353 states and 443 transitions. [2020-10-15 01:41:54,600 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 01:41:54,601 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 443 transitions. [2020-10-15 01:41:54,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-15 01:41:54,615 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:41:54,615 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:41:54,616 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 01:41:54,616 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:41:54,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:41:54,617 INFO L82 PathProgramCache]: Analyzing trace with hash -678987685, now seen corresponding path program 1 times [2020-10-15 01:41:54,621 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:41:54,621 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [24884312] [2020-10-15 01:41:54,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:41:54,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:41:54,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:41:55,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:41:55,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:41:56,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:41:56,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:41:59,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:41:59,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-15 01:41:59,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 01:41:59,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-15 01:41:59,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:41:59,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:41:59,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-15 01:41:59,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:41:59,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-15 01:41:59,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:00,104 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-15 01:42:00,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:42:00,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:00,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:00,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:00,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:00,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:00,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-15 01:42:00,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:00,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:00,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:42:00,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:00,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:42:00,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:42:00,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:42:00,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:00,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:00,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:00,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:00,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:00,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:00,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:00,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:00,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:42:00,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:00,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:42:00,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:42:00,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 01:42:00,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:00,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:00,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:00,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-15 01:42:00,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:00,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-15 01:42:00,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:00,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:00,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:42:00,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:00,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-15 01:42:00,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:00,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:42:00,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:00,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:00,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:00,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:00,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:00,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:00,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:00,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:00,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:00,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:00,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:00,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:00,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:42:00,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:00,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:00,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:00,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:00,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:00,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:00,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:00,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:00,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:00,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:00,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:00,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:00,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-15 01:42:00,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:00,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:00,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:00,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:00,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:00,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:42:00,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:00,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:00,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:00,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:00,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:00,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:00,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:42:00,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:00,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:00,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:00,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:00,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:00,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:00,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:00,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:00,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:00,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:00,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:00,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:00,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 01:42:00,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:00,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:00,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:00,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:00,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:00,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:00,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:00,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:00,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:00,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:00,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:00,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:42:00,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-15 01:42:00,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:00,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:00,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:00,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:00,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:00,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:00,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:00,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:00,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:00,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:00,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:00,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:42:00,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-15 01:42:00,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:00,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:00,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:00,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:00,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:00,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:42:00,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:00,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:00,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:42:00,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:00,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:42:00,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:00,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-15 01:42:00,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:00,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:00,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:00,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:42:00,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:00,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:00,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:00,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:00,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:42:00,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:00,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:42:00,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:00,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-15 01:42:00,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:00,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:00,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:00,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:00,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:00,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:42:00,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:00,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:00,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:42:00,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:00,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:42:00,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:00,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-15 01:42:00,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:00,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:00,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:00,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:42:00,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:00,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:42:00,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:00,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:00,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:42:00,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:00,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 01:42:00,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:00,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-15 01:42:00,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:00,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:00,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:00,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:00,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:00,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:42:00,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:00,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:00,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:42:00,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:00,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:42:00,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:00,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-15 01:42:00,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:00,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:00,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:00,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:00,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:00,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:00,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:00,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:00,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:00,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:42:00,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:00,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:00,516 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-10-15 01:42:00,517 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [24884312] [2020-10-15 01:42:00,517 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:42:00,517 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-15 01:42:00,518 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324604794] [2020-10-15 01:42:00,523 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 01:42:00,524 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:42:00,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 01:42:00,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-10-15 01:42:00,526 INFO L87 Difference]: Start difference. First operand 353 states and 443 transitions. Second operand 11 states. [2020-10-15 01:42:01,179 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-15 01:42:02,889 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-15 01:42:03,848 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-15 01:42:04,156 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-15 01:42:04,479 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-15 01:42:07,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:42:07,315 INFO L93 Difference]: Finished difference Result 1160 states and 1566 transitions. [2020-10-15 01:42:07,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-15 01:42:07,316 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 95 [2020-10-15 01:42:07,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:42:07,329 INFO L225 Difference]: With dead ends: 1160 [2020-10-15 01:42:07,330 INFO L226 Difference]: Without dead ends: 820 [2020-10-15 01:42:07,334 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=229, Invalid=583, Unknown=0, NotChecked=0, Total=812 [2020-10-15 01:42:07,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 820 states. [2020-10-15 01:42:07,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 820 to 626. [2020-10-15 01:42:07,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 626 states. [2020-10-15 01:42:07,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 790 transitions. [2020-10-15 01:42:07,495 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 790 transitions. Word has length 95 [2020-10-15 01:42:07,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:42:07,496 INFO L479 AbstractCegarLoop]: Abstraction has 626 states and 790 transitions. [2020-10-15 01:42:07,496 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 01:42:07,496 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 790 transitions. [2020-10-15 01:42:07,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-10-15 01:42:07,503 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:42:07,504 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:42:07,504 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 01:42:07,504 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:42:07,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:42:07,505 INFO L82 PathProgramCache]: Analyzing trace with hash -319049537, now seen corresponding path program 1 times [2020-10-15 01:42:07,505 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:42:07,505 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1676002724] [2020-10-15 01:42:07,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:42:07,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:07,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:07,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:08,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:08,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:11,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:11,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-15 01:42:11,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 01:42:11,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4280 [2020-10-15 01:42:11,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:11,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:11,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-15 01:42:11,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:42:11,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-15 01:42:11,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:12,225 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-15 01:42:12,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:42:12,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:12,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:12,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:12,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:12,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:12,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-15 01:42:12,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:12,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:12,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:42:12,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:12,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:42:12,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:42:12,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:42:12,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:12,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:12,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:12,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:12,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:12,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:42:12,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:12,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:12,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:42:12,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:12,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:42:12,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:42:12,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 01:42:12,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:12,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:12,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:12,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-15 01:42:12,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:12,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-15 01:42:12,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:12,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:12,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:42:12,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:12,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-15 01:42:12,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:42:12,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:42:12,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:12,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:12,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:12,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:12,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:12,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:12,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:12,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:12,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:12,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:12,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:12,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:12,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:42:12,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:12,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:12,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:12,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:12,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:12,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:12,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:12,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:12,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:12,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:12,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:12,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:42:12,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-15 01:42:12,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:12,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:12,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:12,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:12,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:12,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:12,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:12,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:12,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:12,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:12,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:12,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:42:12,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:42:12,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:12,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:12,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:12,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:12,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:12,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:12,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:12,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:12,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:12,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:12,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:12,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:12,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 01:42:12,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:12,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:12,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:12,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:12,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:12,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:12,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:12,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:12,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:12,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:12,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:12,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:42:12,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-15 01:42:12,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:12,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:12,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:12,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:12,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:12,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:12,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:12,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:12,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:12,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:12,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:12,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:42:12,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-15 01:42:12,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:12,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:12,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:12,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:12,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:12,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:12,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:12,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:12,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:42:12,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:12,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:42:12,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:42:12,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-15 01:42:12,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:12,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:12,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:12,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:42:12,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:12,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:12,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:12,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:12,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:42:12,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:12,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:42:12,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:42:12,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-15 01:42:12,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:12,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:12,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:12,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:12,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:12,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:12,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:12,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:12,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:42:12,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:12,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:42:12,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:42:12,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-15 01:42:12,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:12,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:12,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:12,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:12,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:12,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:12,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:12,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:12,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:42:12,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:12,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:42:12,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:42:12,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-15 01:42:12,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:12,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:12,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:12,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:12,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:42:12,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:42:12,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 01:42:12,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:12,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:12,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:42:12,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:42:12,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 01:42:12,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:12,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-15 01:42:12,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:12,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:12,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:12,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:12,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:12,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:12,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:12,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:12,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:42:12,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:12,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:42:12,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:42:12,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-15 01:42:12,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:12,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:12,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:12,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:12,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:12,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:42:12,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:12,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:12,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:42:12,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:12,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:42:12,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:12,595 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-10-15 01:42:12,595 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1676002724] [2020-10-15 01:42:12,595 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:42:12,595 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-15 01:42:12,596 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569781048] [2020-10-15 01:42:12,597 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-15 01:42:12,598 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:42:12,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-15 01:42:12,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-10-15 01:42:12,599 INFO L87 Difference]: Start difference. First operand 626 states and 790 transitions. Second operand 13 states. [2020-10-15 01:42:13,280 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-15 01:42:15,108 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-15 01:42:15,450 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-15 01:42:15,820 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-10-15 01:42:16,985 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-15 01:42:20,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:42:20,059 INFO L93 Difference]: Finished difference Result 1873 states and 2672 transitions. [2020-10-15 01:42:20,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-15 01:42:20,060 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 99 [2020-10-15 01:42:20,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:42:20,071 INFO L225 Difference]: With dead ends: 1873 [2020-10-15 01:42:20,071 INFO L226 Difference]: Without dead ends: 1292 [2020-10-15 01:42:20,075 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 338 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=391, Invalid=1015, Unknown=0, NotChecked=0, Total=1406 [2020-10-15 01:42:20,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1292 states. [2020-10-15 01:42:20,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1292 to 1064. [2020-10-15 01:42:20,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1064 states. [2020-10-15 01:42:20,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1064 states to 1064 states and 1392 transitions. [2020-10-15 01:42:20,306 INFO L78 Accepts]: Start accepts. Automaton has 1064 states and 1392 transitions. Word has length 99 [2020-10-15 01:42:20,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:42:20,306 INFO L479 AbstractCegarLoop]: Abstraction has 1064 states and 1392 transitions. [2020-10-15 01:42:20,306 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-15 01:42:20,307 INFO L276 IsEmpty]: Start isEmpty. Operand 1064 states and 1392 transitions. [2020-10-15 01:42:20,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-15 01:42:20,310 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:42:20,311 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:42:20,311 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 01:42:20,311 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:42:20,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:42:20,311 INFO L82 PathProgramCache]: Analyzing trace with hash -1144263416, now seen corresponding path program 1 times [2020-10-15 01:42:20,312 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:42:20,312 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [385139877] [2020-10-15 01:42:20,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:42:20,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:20,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:20,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:22,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:22,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-15 01:42:22,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:42:22,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1736 [2020-10-15 01:42:22,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:22,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:22,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 01:42:22,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-15 01:42:22,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-15 01:42:22,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:42:22,378 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-15 01:42:22,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:42:22,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:22,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:22,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:22,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:22,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:22,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 01:42:22,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:22,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:22,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:22,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:22,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:22,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:42:22,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:42:22,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:22,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:22,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:22,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:22,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:22,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:42:22,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:22,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:22,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:22,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:22,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:22,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:42:22,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 01:42:22,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:22,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:22,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:22,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-15 01:42:22,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:22,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 01:42:22,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:22,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:22,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:22,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:22,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:22,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:42:22,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:42:22,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:22,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:22,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:22,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:22,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:22,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:22,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:22,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:22,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:22,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:22,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:22,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:42:22,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:42:22,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:22,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:22,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:22,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:22,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:22,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:22,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:22,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:22,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:22,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:22,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:22,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:42:22,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-15 01:42:22,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:22,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:22,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:22,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:22,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:22,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:22,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:22,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:22,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:22,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:22,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:22,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:42:22,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:42:22,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:22,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:22,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:22,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:22,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:22,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:42:22,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:22,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:22,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:22,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:22,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:22,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:42:22,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 01:42:22,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:22,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:22,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:22,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:22,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:22,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:22,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:22,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:22,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:22,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:22,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:22,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:42:22,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-15 01:42:22,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:22,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:22,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:22,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:22,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:22,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:22,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:22,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:22,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:22,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:22,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:22,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:42:22,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-15 01:42:22,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:22,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:22,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:22,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:22,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:22,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:22,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:22,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:22,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:22,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:22,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:22,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:42:22,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-15 01:42:22,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:22,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:22,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:22,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:42:22,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:22,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:42:22,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:22,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:22,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:22,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:22,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:22,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:42:22,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-15 01:42:22,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:22,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:22,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:22,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:22,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:22,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:22,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:22,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:22,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:42:22,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:22,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:42:22,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:22,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-15 01:42:22,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:22,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:22,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:22,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:22,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:22,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:22,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:22,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:22,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:42:22,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:22,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:42:22,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:42:22,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-15 01:42:22,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:22,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:22,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:22,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:22,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-15 01:42:22,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:42:22,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-15 01:42:22,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:22,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:22,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:42:22,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:22,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-15 01:42:22,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:42:22,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:42:22,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:22,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:22,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:22,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:22,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-15 01:42:22,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:42:22,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-15 01:42:22,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:22,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:22,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:42:22,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-15 01:42:22,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 01:42:22,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:22,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:42:22,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:22,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:22,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:22,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 01:42:22,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:22,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-15 01:42:22,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:22,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:22,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:42:22,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-15 01:42:22,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 01:42:22,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:22,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:42:22,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:22,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:22,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:22,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-15 01:42:22,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:22,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 01:42:22,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:22,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:22,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:42:22,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-15 01:42:22,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 01:42:22,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:22,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:42:22,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:22,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:22,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:22,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:42:22,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:22,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 01:42:22,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:22,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:22,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:42:22,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:22,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-15 01:42:22,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:22,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:42:22,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:22,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:22,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:22,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:42:22,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:22,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:22,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:22,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:22,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:22,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:22,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:22,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:42:22,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:42:22,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:22,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:22,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:22,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 01:42:22,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:22,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:42:22,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:22,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:22,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:22,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-15 01:42:22,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:22,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:42:22,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:42:22,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:22,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:22,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:22,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:22,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:22,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:22,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:22,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:22,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:22,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:22,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:22,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:42:22,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-15 01:42:22,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:22,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:22,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:22,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:22,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:22,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:42:22,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:22,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:22,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:42:22,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:22,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:42:22,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:42:22,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-15 01:42:22,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:22,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:22,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:22,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:22,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:22,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:42:22,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:22,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:22,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:42:22,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:22,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:42:22,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:42:22,888 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-10-15 01:42:22,888 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [385139877] [2020-10-15 01:42:22,889 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:42:22,889 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-15 01:42:22,889 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276953655] [2020-10-15 01:42:22,890 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-15 01:42:22,890 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:42:22,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-15 01:42:22,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-15 01:42:22,890 INFO L87 Difference]: Start difference. First operand 1064 states and 1392 transitions. Second operand 13 states. [2020-10-15 01:42:23,524 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-15 01:42:25,161 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-15 01:42:25,503 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-15 01:42:25,836 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-15 01:42:26,161 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-15 01:42:28,649 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-15 01:42:29,045 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-10-15 01:42:29,412 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-15 01:42:29,740 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-15 01:42:32,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:42:32,093 INFO L93 Difference]: Finished difference Result 3532 states and 5348 transitions. [2020-10-15 01:42:32,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-15 01:42:32,093 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 132 [2020-10-15 01:42:32,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:42:32,113 INFO L225 Difference]: With dead ends: 3532 [2020-10-15 01:42:32,113 INFO L226 Difference]: Without dead ends: 2513 [2020-10-15 01:42:32,120 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 332 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=385, Invalid=1021, Unknown=0, NotChecked=0, Total=1406 [2020-10-15 01:42:32,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2513 states. [2020-10-15 01:42:32,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2513 to 2009. [2020-10-15 01:42:32,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2009 states. [2020-10-15 01:42:32,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2009 states to 2009 states and 2649 transitions. [2020-10-15 01:42:32,478 INFO L78 Accepts]: Start accepts. Automaton has 2009 states and 2649 transitions. Word has length 132 [2020-10-15 01:42:32,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:42:32,479 INFO L479 AbstractCegarLoop]: Abstraction has 2009 states and 2649 transitions. [2020-10-15 01:42:32,479 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-15 01:42:32,479 INFO L276 IsEmpty]: Start isEmpty. Operand 2009 states and 2649 transitions. [2020-10-15 01:42:32,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-10-15 01:42:32,488 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:42:32,489 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-15 01:42:32,489 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 01:42:32,489 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:42:32,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:42:32,490 INFO L82 PathProgramCache]: Analyzing trace with hash -1493746010, now seen corresponding path program 1 times [2020-10-15 01:42:32,490 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:42:32,490 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [421370501] [2020-10-15 01:42:32,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:42:32,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:32,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:32,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:32,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:32,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:32,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:34,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:34,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 242 [2020-10-15 01:42:34,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 01:42:34,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1999 [2020-10-15 01:42:34,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:34,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:34,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:42:34,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 119 [2020-10-15 01:42:34,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-15 01:42:34,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:42:34,861 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-15 01:42:34,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:42:34,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:34,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:34,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:34,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:34,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:34,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-15 01:42:34,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:34,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:34,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:34,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:34,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:34,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:42:34,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:42:34,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:34,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:34,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:34,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:34,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:34,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:34,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:34,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:34,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:34,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:34,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:34,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:42:34,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 01:42:34,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:34,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:34,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:34,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-15 01:42:34,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:34,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 01:42:34,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:34,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:34,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:34,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:34,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:34,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:42:34,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:42:34,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:34,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:34,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:34,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:34,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:34,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:34,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:34,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:34,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:34,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:34,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:34,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:42:34,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:42:35,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:35,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:35,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:35,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:35,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:35,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:35,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:35,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:35,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:35,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:35,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:35,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:42:35,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-15 01:42:35,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:35,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:35,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:35,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:35,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:35,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:35,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:35,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:35,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:35,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:35,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:35,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:42:35,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:42:35,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:35,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:35,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:35,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:35,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:35,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:35,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:35,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:35,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:35,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:35,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:35,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:42:35,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 01:42:35,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:35,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:35,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:35,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:35,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:35,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:42:35,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:35,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:35,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:35,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:35,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:35,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:42:35,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-15 01:42:35,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:35,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:35,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:35,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:35,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:35,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:35,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:35,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:35,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:35,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:35,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:35,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:42:35,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-15 01:42:35,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:35,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:35,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:35,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:35,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:35,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:42:35,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:35,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:35,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:35,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:35,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:35,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:42:35,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-15 01:42:35,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:35,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:35,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:35,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:42:35,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:35,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:42:35,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:35,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:35,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:35,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:35,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:35,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:42:35,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-15 01:42:35,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:35,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:35,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:35,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:35,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:35,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:42:35,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:35,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:35,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:35,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:35,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:35,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:42:35,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-15 01:42:35,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:35,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:35,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:35,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:35,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:35,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:42:35,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:35,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:35,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:35,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:35,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:35,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:42:35,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-15 01:42:35,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:35,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:35,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:35,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:42:35,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:35,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:42:35,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:35,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:35,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:35,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:35,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:35,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:42:35,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-15 01:42:35,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:35,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:35,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:35,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:35,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-15 01:42:35,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:42:35,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-15 01:42:35,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:35,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:35,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:42:35,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-15 01:42:35,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:42:35,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:42:35,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:42:35,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:35,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:35,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:35,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-15 01:42:35,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:35,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 01:42:35,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:35,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:35,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:42:35,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-15 01:42:35,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:42:35,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:35,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:42:35,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:35,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:35,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:35,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-15 01:42:35,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:35,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 01:42:35,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:35,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:35,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:42:35,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-15 01:42:35,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:42:35,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:35,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:42:35,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:35,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:35,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:35,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 01:42:35,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:35,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 01:42:35,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:35,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:35,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:42:35,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-15 01:42:35,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:42:35,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:35,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:42:35,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:35,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:35,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:35,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-15 01:42:35,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:35,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 01:42:35,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:35,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:35,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:42:35,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-15 01:42:35,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:42:35,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:35,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:42:35,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:35,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:35,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:35,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:42:35,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:35,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 01:42:35,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:35,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:35,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:42:35,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 01:42:35,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:42:35,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:42:35,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:42:35,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:35,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:35,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:35,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:42:35,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:35,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:42:35,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:35,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:35,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 01:42:35,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:35,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:42:35,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:35,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:42:35,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:35,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:35,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:35,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 01:42:35,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:35,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:42:35,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:35,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:35,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:35,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-15 01:42:35,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:35,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:42:35,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:42:35,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:35,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:35,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:35,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:35,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:35,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:35,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:35,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:35,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:35,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:35,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:35,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:42:35,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 01:42:35,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:35,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:35,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:35,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 01:42:35,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:35,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:42:35,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:35,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:35,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:35,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-15 01:42:35,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:35,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:35,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:42:35,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:35,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:35,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:35,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:35,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:35,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:35,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:35,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:35,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:35,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:35,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:35,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:35,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 01:42:35,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:35,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:35,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:35,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:35,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:35,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:35,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:35,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:35,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:35,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:35,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:35,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:35,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-15 01:42:35,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:35,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:35,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:35,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:35,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:35,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:42:35,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:35,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:35,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:42:35,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:35,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:42:35,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:35,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-15 01:42:35,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:35,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:35,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:35,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:35,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:35,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:35,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:35,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:35,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:35,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:42:35,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:35,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:35,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-15 01:42:35,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:35,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:35,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:35,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:35,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:35,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:35,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:35,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:35,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:35,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:42:35,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:35,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:35,540 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-10-15 01:42:35,541 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [421370501] [2020-10-15 01:42:35,541 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:42:35,541 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-15 01:42:35,541 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851130496] [2020-10-15 01:42:35,542 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-15 01:42:35,543 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:42:35,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-15 01:42:35,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2020-10-15 01:42:35,543 INFO L87 Difference]: Start difference. First operand 2009 states and 2649 transitions. Second operand 15 states. [2020-10-15 01:42:36,394 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-15 01:42:38,133 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-15 01:42:38,517 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-15 01:42:38,893 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-15 01:42:44,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:42:44,437 INFO L93 Difference]: Finished difference Result 5217 states and 8250 transitions. [2020-10-15 01:42:44,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2020-10-15 01:42:44,437 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 168 [2020-10-15 01:42:44,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:42:44,463 INFO L225 Difference]: With dead ends: 5217 [2020-10-15 01:42:44,463 INFO L226 Difference]: Without dead ends: 3253 [2020-10-15 01:42:44,474 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1092 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=829, Invalid=2593, Unknown=0, NotChecked=0, Total=3422 [2020-10-15 01:42:44,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3253 states. [2020-10-15 01:42:45,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3253 to 2168. [2020-10-15 01:42:45,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2168 states. [2020-10-15 01:42:45,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2168 states to 2168 states and 2846 transitions. [2020-10-15 01:42:45,086 INFO L78 Accepts]: Start accepts. Automaton has 2168 states and 2846 transitions. Word has length 168 [2020-10-15 01:42:45,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:42:45,091 INFO L479 AbstractCegarLoop]: Abstraction has 2168 states and 2846 transitions. [2020-10-15 01:42:45,092 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-15 01:42:45,092 INFO L276 IsEmpty]: Start isEmpty. Operand 2168 states and 2846 transitions. [2020-10-15 01:42:45,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-15 01:42:45,106 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:42:45,107 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-15 01:42:45,107 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 01:42:45,107 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:42:45,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:42:45,107 INFO L82 PathProgramCache]: Analyzing trace with hash -176917673, now seen corresponding path program 1 times [2020-10-15 01:42:45,108 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:42:45,110 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [612862445] [2020-10-15 01:42:45,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:42:45,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:45,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:45,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:45,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:45,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:46,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:50,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:50,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-10-15 01:42:50,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 01:42:50,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-15 01:42:50,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:50,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:50,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 01:42:50,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:42:50,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-15 01:42:50,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:42:50,564 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-15 01:42:50,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:42:50,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:50,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:50,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:50,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:50,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:50,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-15 01:42:50,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:50,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:50,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:42:50,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:50,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:42:50,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:50,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:42:50,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:50,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:50,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:50,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:50,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:50,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:42:50,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:50,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:50,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:42:50,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:50,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:42:50,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:50,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 01:42:50,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:50,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:50,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:50,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-15 01:42:50,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:50,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-15 01:42:50,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:50,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:50,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:42:50,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:50,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-15 01:42:50,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:50,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:42:50,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:50,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:50,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:50,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:50,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:50,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:50,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:50,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:50,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:50,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:50,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:50,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:50,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:42:50,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:50,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:50,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:50,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:50,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:50,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:50,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:50,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:50,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:50,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:50,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:50,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:50,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-15 01:42:50,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:50,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:50,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:50,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:50,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:50,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:50,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:50,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:50,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:50,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:50,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:50,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:50,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:42:50,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:50,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:50,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:50,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:50,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:50,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:50,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:50,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:50,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:50,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:50,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:50,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:50,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 01:42:50,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:50,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:50,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:50,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:50,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:50,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:50,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:50,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:50,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:50,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:50,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:50,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:50,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-15 01:42:50,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:50,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:50,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:50,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:50,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:50,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:50,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:50,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:50,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:50,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:50,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:50,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:50,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-15 01:42:50,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:50,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:50,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:50,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:50,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:50,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:50,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:50,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:50,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:42:50,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:50,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:42:50,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:42:50,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-15 01:42:50,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:50,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:50,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:50,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:42:50,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:50,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:50,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:50,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:50,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:42:50,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:50,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:42:50,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:42:50,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-15 01:42:50,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:50,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:50,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:50,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:50,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:50,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:50,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:50,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:50,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:42:50,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:50,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:42:50,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:50,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-15 01:42:50,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:50,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:50,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:50,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:50,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:50,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:42:50,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:50,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:50,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:42:50,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:50,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:42:50,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:50,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 01:42:50,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:50,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:50,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:50,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-15 01:42:50,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:50,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-15 01:42:50,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:50,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:50,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:42:50,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:42:50,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-15 01:42:50,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:51,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:42:51,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:51,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:51,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:51,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-15 01:42:51,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:51,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 01:42:51,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:51,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:51,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 01:42:51,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:51,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-15 01:42:51,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:51,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:42:51,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:51,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:51,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:51,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-15 01:42:51,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:51,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 01:42:51,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:51,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:51,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:42:51,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:51,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-15 01:42:51,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:51,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:42:51,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:51,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:51,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:51,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 01:42:51,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:51,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 01:42:51,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:51,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:51,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:42:51,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:51,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 01:42:51,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:51,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:42:51,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:51,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:51,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:51,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-15 01:42:51,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:51,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 01:42:51,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:51,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:51,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:42:51,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:51,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-15 01:42:51,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:51,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:42:51,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:51,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:51,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:51,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:42:51,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:51,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 01:42:51,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:51,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:51,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:42:51,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:51,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 01:42:51,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:42:51,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:42:51,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:51,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:51,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:51,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:42:51,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:51,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:51,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:51,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:51,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:42:51,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:51,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-15 01:42:51,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:51,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:42:51,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:51,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:51,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:51,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 01:42:51,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:51,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:42:51,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:51,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:51,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:42:51,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:51,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 01:42:51,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:51,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:42:51,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:51,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:51,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:51,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:51,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:51,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:51,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:51,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:51,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:51,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:51,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:51,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:42:51,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 01:42:51,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:51,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:51,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:51,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 01:42:51,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:51,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 01:42:51,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:51,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:51,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:42:51,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:51,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-15 01:42:51,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:51,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:42:51,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:51,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:51,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:51,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:51,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:51,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:51,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:51,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:51,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:51,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:51,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:51,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:51,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 01:42:51,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:51,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:51,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:51,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:51,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:51,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:42:51,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:51,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:51,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:51,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:51,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:51,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:42:51,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-15 01:42:51,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:51,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:51,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:51,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:51,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:51,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:51,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:51,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:51,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:51,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:42:51,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:51,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:51,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-15 01:42:51,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:51,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:51,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:51,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 01:42:51,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:51,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:42:51,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:51,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:51,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:51,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-15 01:42:51,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:51,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:51,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:42:51,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:51,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:51,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:51,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 01:42:51,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:51,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:51,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:51,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:51,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:51,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:51,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:51,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:51,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:42:51,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:51,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:51,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:51,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 01:42:51,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:51,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:51,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:51,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:51,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:51,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:51,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:51,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:51,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:42:51,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:51,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:51,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:51,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:42:51,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:51,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:42:51,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:51,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:51,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:51,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:42:51,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:51,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:51,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-10-15 01:42:51,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:51,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:51,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:51,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:51,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:51,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:51,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:51,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:51,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:51,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:42:51,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:51,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:51,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-15 01:42:51,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:42:51,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:42:51,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:42:51,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:42:51,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:42:51,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:42:51,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:42:51,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:42:51,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:42:51,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:42:51,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:42:51,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:42:51,404 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2020-10-15 01:42:51,404 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [612862445] [2020-10-15 01:42:51,405 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:42:51,405 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-15 01:42:51,405 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635295477] [2020-10-15 01:42:51,406 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-15 01:42:51,406 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:42:51,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-15 01:42:51,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2020-10-15 01:42:51,407 INFO L87 Difference]: Start difference. First operand 2168 states and 2846 transitions. Second operand 13 states. [2020-10-15 01:42:52,113 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-15 01:42:53,325 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 213 [2020-10-15 01:43:00,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:43:00,525 INFO L93 Difference]: Finished difference Result 6778 states and 10178 transitions. [2020-10-15 01:43:00,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-10-15 01:43:00,525 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 177 [2020-10-15 01:43:00,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:43:00,562 INFO L225 Difference]: With dead ends: 6778 [2020-10-15 01:43:00,562 INFO L226 Difference]: Without dead ends: 4628 [2020-10-15 01:43:00,575 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 72 SyntacticMatches, 6 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 839 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=608, Invalid=2044, Unknown=0, NotChecked=0, Total=2652 [2020-10-15 01:43:00,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4628 states. [2020-10-15 01:43:01,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4628 to 3856. [2020-10-15 01:43:01,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3856 states. [2020-10-15 01:43:01,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3856 states to 3856 states and 5305 transitions. [2020-10-15 01:43:01,542 INFO L78 Accepts]: Start accepts. Automaton has 3856 states and 5305 transitions. Word has length 177 [2020-10-15 01:43:01,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:43:01,543 INFO L479 AbstractCegarLoop]: Abstraction has 3856 states and 5305 transitions. [2020-10-15 01:43:01,543 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-15 01:43:01,543 INFO L276 IsEmpty]: Start isEmpty. Operand 3856 states and 5305 transitions. [2020-10-15 01:43:01,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-10-15 01:43:01,557 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:43:01,558 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-15 01:43:01,558 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 01:43:01,558 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:43:01,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:43:01,559 INFO L82 PathProgramCache]: Analyzing trace with hash -94301990, now seen corresponding path program 1 times [2020-10-15 01:43:01,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:43:01,565 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1939007926] [2020-10-15 01:43:01,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:43:01,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:43:01,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:01,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:43:01,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-10-15 01:43:01,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:43:01,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 171 [2020-10-15 01:43:01,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:43:01,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:43:01,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:43:01,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-10-15 01:43:01,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-15 01:43:01,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:43:02,141 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-15 01:43:02,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:43:02,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:43:02,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:02,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:43:02,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:43:02,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:43:02,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-15 01:43:02,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:43:02,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:43:02,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:43:02,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:43:02,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:43:02,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:43:02,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:43:02,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:43:02,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:02,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:43:02,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:43:02,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:43:02,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:43:02,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:43:02,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:43:02,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:43:02,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:43:02,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:43:02,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:43:02,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 01:43:02,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:43:02,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:02,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:43:02,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-15 01:43:02,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:43:02,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 01:43:02,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:43:02,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:43:02,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:43:02,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:43:02,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:43:02,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:43:02,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:43:02,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:43:02,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:02,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:43:02,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:43:02,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:43:02,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:43:02,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:43:02,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:43:02,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:43:02,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:43:02,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:43:02,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:43:02,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:43:02,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:43:02,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:02,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:43:02,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:43:02,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:43:02,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:43:02,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:43:02,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:43:02,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:43:02,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:43:02,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:43:02,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:43:02,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-15 01:43:02,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:43:02,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:02,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:43:02,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:43:02,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:43:02,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:43:02,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:43:02,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:43:02,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:43:02,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:43:02,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:43:02,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:43:02,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:43:02,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:43:02,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:02,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:43:02,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:43:02,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:43:02,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:43:02,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:43:02,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:43:02,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:43:02,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:43:02,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:43:02,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:43:02,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 01:43:02,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:43:02,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:02,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:43:02,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:43:02,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:43:02,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:43:02,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:43:02,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:43:02,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:43:02,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:43:02,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:43:02,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:43:02,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-15 01:43:02,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:43:02,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:02,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:43:02,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:43:02,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:43:02,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:43:02,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:43:02,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:43:02,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:43:02,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:43:02,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:43:02,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:43:02,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-15 01:43:02,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:43:02,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:02,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:43:02,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:43:02,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:43:02,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:43:02,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:43:02,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:43:02,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:43:02,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:43:02,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:43:02,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-10-15 01:43:02,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-15 01:43:02,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:43:02,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:02,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:43:02,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:43:02,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:43:02,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:43:02,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:43:02,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:43:02,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:43:02,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:43:02,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:43:02,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:43:02,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-15 01:43:02,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:43:02,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:02,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:43:02,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:43:02,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:43:02,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:43:02,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:43:02,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:43:02,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:43:02,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:43:02,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:43:02,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:43:02,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-15 01:43:02,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:43:02,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:02,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:43:02,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:43:02,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:43:02,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:43:02,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:43:02,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:43:02,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:43:02,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:43:02,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:43:02,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:43:02,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-15 01:43:02,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:43:02,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:02,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:43:02,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:43:02,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:43:02,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:43:02,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:43:02,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:43:02,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:43:02,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:43:02,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:43:02,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:43:02,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-15 01:43:02,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:43:02,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:02,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:43:02,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-15 01:43:02,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:43:02,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 01:43:02,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:43:02,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:43:02,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:43:02,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:43:02,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 01:43:02,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:43:02,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:43:02,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:43:02,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:02,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:43:02,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-15 01:43:02,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:43:02,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 01:43:02,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:43:02,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:43:02,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:43:02,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:43:02,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 01:43:02,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:43:02,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:43:02,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:43:02,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:02,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:43:02,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-15 01:43:02,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:43:02,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 01:43:02,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:43:02,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:43:02,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:43:02,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:43:02,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 01:43:02,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:43:02,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:43:02,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:43:02,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:02,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:43:02,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 01:43:02,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:43:02,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 01:43:02,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:43:02,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:43:02,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:43:02,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:43:02,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:43:02,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:43:02,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:43:02,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:43:02,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:02,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:43:02,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-15 01:43:02,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:43:02,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 01:43:02,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:43:02,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:43:02,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:43:02,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:43:02,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-15 01:43:02,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:43:02,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:43:02,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:43:02,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:02,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:43:02,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:43:02,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:43:02,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:43:02,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:43:02,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:43:02,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:43:02,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:43:02,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:43:02,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:43:02,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:43:02,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:43:02,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:02,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:43:02,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:43:02,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:43:02,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:43:02,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:43:02,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:43:02,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:43:02,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:43:02,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:43:02,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:43:02,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:43:02,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:43:02,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:02,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:43:02,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 01:43:02,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:43:02,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:43:02,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:43:02,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:43:02,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:43:02,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:43:02,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:43:02,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:43:02,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:43:02,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:43:02,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:02,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:43:02,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:43:02,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:43:02,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:43:02,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:43:02,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:43:02,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:43:02,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:43:02,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:43:02,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:43:02,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 01:43:02,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:43:02,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:02,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:43:02,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 01:43:02,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:43:02,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:43:02,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:43:02,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:43:02,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:43:02,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:43:02,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-15 01:43:02,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:43:02,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:43:02,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:43:02,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:02,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:43:02,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:43:02,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:43:02,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:43:02,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:43:02,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:43:02,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:43:02,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:43:02,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:43:02,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:43:02,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 01:43:02,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:43:02,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:02,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:43:02,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:43:02,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:43:02,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:43:02,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:43:02,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:43:02,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:43:02,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:43:02,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:43:02,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:43:02,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-15 01:43:02,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:43:02,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:02,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:43:02,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:43:02,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:43:02,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:43:02,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:43:02,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:43:02,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:43:02,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:43:02,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:43:02,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:43:02,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-15 01:43:02,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:43:02,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:02,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:43:02,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 01:43:02,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:43:02,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:43:02,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:43:02,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:43:02,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:43:02,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 01:43:02,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 01:43:02,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:43:02,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:43:02,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:43:02,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:02,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:43:02,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-15 01:43:02,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:43:02,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:43:02,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:43:02,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:43:02,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:43:02,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:43:02,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 01:43:02,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:43:02,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:43:02,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:43:02,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:02,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:43:02,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 01:43:02,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:43:02,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:43:02,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:43:02,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:43:02,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:43:02,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:43:02,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:43:02,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:43:02,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:43:02,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:43:02,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:02,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:43:02,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:43:02,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:43:02,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:43:02,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:43:02,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:43:02,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:43:02,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:43:02,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:43:02,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:43:02,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-15 01:43:02,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:43:02,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:02,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:43:02,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:43:02,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:43:02,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:43:02,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:43:02,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:43:02,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:43:02,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:43:02,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:43:02,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:43:02,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-10-15 01:43:02,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:43:02,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:43:02,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:43:02,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:43:02,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:43:02,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:43:02,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:43:02,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:43:02,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:43:02,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:43:02,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:43:02,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:43:02,622 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 21 proven. 7 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2020-10-15 01:43:02,623 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1939007926] [2020-10-15 01:43:02,623 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:43:02,624 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-15 01:43:02,624 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321715662] [2020-10-15 01:43:02,624 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 01:43:02,625 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:43:02,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 01:43:02,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-15 01:43:02,625 INFO L87 Difference]: Start difference. First operand 3856 states and 5305 transitions. Second operand 12 states. [2020-10-15 01:43:03,395 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-15 01:43:04,705 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-15 01:43:10,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:43:10,736 INFO L93 Difference]: Finished difference Result 9443 states and 14036 transitions. [2020-10-15 01:43:10,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-10-15 01:43:10,736 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 186 [2020-10-15 01:43:10,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:43:10,768 INFO L225 Difference]: With dead ends: 9443 [2020-10-15 01:43:10,769 INFO L226 Difference]: Without dead ends: 4821 [2020-10-15 01:43:10,787 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 536 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=470, Invalid=1510, Unknown=0, NotChecked=0, Total=1980 [2020-10-15 01:43:10,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4821 states. [2020-10-15 01:43:11,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4821 to 4044. [2020-10-15 01:43:11,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4044 states. [2020-10-15 01:43:11,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4044 states to 4044 states and 5501 transitions. [2020-10-15 01:43:11,518 INFO L78 Accepts]: Start accepts. Automaton has 4044 states and 5501 transitions. Word has length 186 [2020-10-15 01:43:11,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:43:11,518 INFO L479 AbstractCegarLoop]: Abstraction has 4044 states and 5501 transitions. [2020-10-15 01:43:11,518 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 01:43:11,518 INFO L276 IsEmpty]: Start isEmpty. Operand 4044 states and 5501 transitions. [2020-10-15 01:43:11,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-10-15 01:43:11,533 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:43:11,533 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-15 01:43:11,533 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 01:43:11,534 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:43:11,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:43:11,534 INFO L82 PathProgramCache]: Analyzing trace with hash 562490842, now seen corresponding path program 1 times [2020-10-15 01:43:11,534 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:43:11,535 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1861857177] [2020-10-15 01:43:11,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:43:11,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 01:43:11,588 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-15 01:43:11,589 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 01:43:11,595 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-15 01:43:11,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:43:11 BoogieIcfgContainer [2020-10-15 01:43:11,633 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 01:43:11,635 INFO L168 Benchmark]: Toolchain (without parser) took 90693.76 ms. Allocated memory was 147.8 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 103.1 MB in the beginning and 477.0 MB in the end (delta: -373.9 MB). Peak memory consumption was 709.3 MB. Max. memory is 7.1 GB. [2020-10-15 01:43:11,636 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-10-15 01:43:11,637 INFO L168 Benchmark]: CACSL2BoogieTranslator took 734.79 ms. Allocated memory was 147.8 MB in the beginning and 206.6 MB in the end (delta: 58.7 MB). Free memory was 102.7 MB in the beginning and 172.2 MB in the end (delta: -69.5 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2020-10-15 01:43:11,637 INFO L168 Benchmark]: Boogie Preprocessor took 123.04 ms. Allocated memory is still 206.6 MB. Free memory was 172.2 MB in the beginning and 167.2 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-10-15 01:43:11,638 INFO L168 Benchmark]: RCFGBuilder took 1193.48 ms. Allocated memory was 206.6 MB in the beginning and 234.9 MB in the end (delta: 28.3 MB). Free memory was 167.2 MB in the beginning and 179.1 MB in the end (delta: -11.9 MB). Peak memory consumption was 77.8 MB. Max. memory is 7.1 GB. [2020-10-15 01:43:11,639 INFO L168 Benchmark]: TraceAbstraction took 88637.65 ms. Allocated memory was 234.9 MB in the beginning and 1.2 GB in the end (delta: 996.1 MB). Free memory was 179.1 MB in the beginning and 477.0 MB in the end (delta: -297.9 MB). Peak memory consumption was 698.3 MB. Max. memory is 7.1 GB. [2020-10-15 01:43:11,642 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 734.79 ms. Allocated memory was 147.8 MB in the beginning and 206.6 MB in the end (delta: 58.7 MB). Free memory was 102.7 MB in the beginning and 172.2 MB in the end (delta: -69.5 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.04 ms. Allocated memory is still 206.6 MB. Free memory was 172.2 MB in the beginning and 167.2 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1193.48 ms. Allocated memory was 206.6 MB in the beginning and 234.9 MB in the end (delta: 28.3 MB). Free memory was 167.2 MB in the beginning and 179.1 MB in the end (delta: -11.9 MB). Peak memory consumption was 77.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 88637.65 ms. Allocated memory was 234.9 MB in the beginning and 1.2 GB in the end (delta: 996.1 MB). Free memory was 179.1 MB in the beginning and 477.0 MB in the end (delta: -297.9 MB). Peak memory consumption was 698.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1087]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int __SELECTED_FEATURE_base ; [L41] int __SELECTED_FEATURE_highWaterSensor ; [L42] int __SELECTED_FEATURE_lowWaterSensor ; [L43] int __SELECTED_FEATURE_methaneQuery ; [L44] int __SELECTED_FEATURE_methaneAlarm ; [L45] int __SELECTED_FEATURE_stopCommand ; [L46] int __SELECTED_FEATURE_startCommand ; [L47] int __GUIDSL_ROOT_PRODUCTION ; [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L166] int pumpRunning = 0; [L167] int systemActive = 1; [L498] int cleanupTimeShifts = 4; [L678] int methAndRunningLastTime ; [L886] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L577] int retValue_acc ; [L578] int tmp ; [L582] CALL select_helpers() [L1123] __GUIDSL_ROOT_PRODUCTION = 1 [L582] RET select_helpers() [L583] CALL select_features() [L1108] __SELECTED_FEATURE_base = 1 [L1109] CALL, EXPR select_one() [L1094] int retValue_acc ; [L1095] int choice = __VERIFIER_nondet_int(); [L1098] retValue_acc = choice [L1099] return (retValue_acc); [L1109] RET, EXPR select_one() [L1109] __SELECTED_FEATURE_highWaterSensor = select_one() [L1110] CALL, EXPR select_one() [L1094] int retValue_acc ; [L1095] int choice = __VERIFIER_nondet_int(); [L1098] retValue_acc = choice [L1099] return (retValue_acc); [L1110] RET, EXPR select_one() [L1110] __SELECTED_FEATURE_lowWaterSensor = select_one() [L1111] CALL, EXPR select_one() [L1094] int retValue_acc ; [L1095] int choice = __VERIFIER_nondet_int(); [L1098] retValue_acc = choice [L1099] return (retValue_acc); [L1111] RET, EXPR select_one() [L1111] __SELECTED_FEATURE_methaneQuery = select_one() [L1112] CALL, EXPR select_one() [L1094] int retValue_acc ; [L1095] int choice = __VERIFIER_nondet_int(); [L1098] retValue_acc = choice [L1099] return (retValue_acc); [L1112] RET, EXPR select_one() [L1112] __SELECTED_FEATURE_methaneAlarm = select_one() [L1113] CALL, EXPR select_one() [L1094] int retValue_acc ; [L1095] int choice = __VERIFIER_nondet_int(); [L1098] retValue_acc = choice [L1099] return (retValue_acc); [L1113] RET, EXPR select_one() [L1113] __SELECTED_FEATURE_stopCommand = select_one() [L1114] CALL, EXPR select_one() [L1094] int retValue_acc ; [L1095] int choice = __VERIFIER_nondet_int(); [L1098] retValue_acc = choice [L1099] return (retValue_acc); [L1114] RET, EXPR select_one() [L1114] __SELECTED_FEATURE_startCommand = select_one() [L583] RET select_features() [L584] CALL, EXPR valid_product() [L1128] int retValue_acc ; [L1131] retValue_acc = __SELECTED_FEATURE_base [L1132] return (retValue_acc); [L584] RET, EXPR valid_product() [L584] tmp = valid_product() [L586] COND TRUE \read(tmp) [L588] FCALL setup() [L589] CALL runTest() [L567] CALL __utac_acc__Specification2_spec__1() [L683] methAndRunningLastTime = 0 [L567] RET __utac_acc__Specification2_spec__1() [L568] CALL test() [L601] int splverifierCounter ; [L602] int tmp ; [L603] int tmp___0 ; [L604] int tmp___1 ; [L605] int tmp___2 ; [L608] splverifierCounter = 0 [L610] COND TRUE 1 [L612] COND TRUE splverifierCounter < 4 [L618] tmp = __VERIFIER_nondet_int() [L620] COND TRUE \read(tmp) [L622] CALL waterRise() [L74] COND TRUE waterLevel < 2 [L75] waterLevel = waterLevel + 1 [L622] RET waterRise() [L628] tmp___0 = __VERIFIER_nondet_int() [L630] COND TRUE \read(tmp___0) [L632] CALL changeMethaneLevel() [L86] COND FALSE !(\read(methaneLevelCritical)) [L89] methaneLevelCritical = 1 [L632] RET changeMethaneLevel() [L638] tmp___2 = __VERIFIER_nondet_int() [L640] COND TRUE \read(tmp___2) [L641] COND FALSE !(\read(__SELECTED_FEATURE_startCommand)) [L665] CALL timeShift() [L174] COND FALSE !(\read(pumpRunning)) [L181] COND TRUE \read(systemActive) [L183] CALL processEnvironment() [L317] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) [L324] CALL processEnvironment__before__methaneAlarm() [L274] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) [L281] CALL processEnvironment__before__lowWaterSensor() [L231] COND TRUE \read(__SELECTED_FEATURE_highWaterSensor) [L233] CALL processEnvironment__role__highWaterSensor() [L203] int tmp ; [L206] COND TRUE ! pumpRunning [L208] CALL, EXPR isHighWaterLevel() [L437] int retValue_acc ; [L438] int tmp ; [L439] int tmp___0 ; [L443] CALL, EXPR isHighWaterSensorDry() [L136] int retValue_acc ; [L139] COND FALSE !(waterLevel < 2) [L143] retValue_acc = 0 [L144] return (retValue_acc); [L443] RET, EXPR isHighWaterSensorDry() [L443] tmp = isHighWaterSensorDry() [L445] COND FALSE !(\read(tmp)) [L448] tmp___0 = 1 [L450] retValue_acc = tmp___0 [L451] return (retValue_acc); [L208] RET, EXPR isHighWaterLevel() [L208] tmp = isHighWaterLevel() [L210] COND TRUE \read(tmp) [L212] CALL activatePump() [L359] COND FALSE !(\read(__SELECTED_FEATURE_methaneQuery)) [L366] CALL activatePump__before__methaneQuery() [L334] pumpRunning = 1 [L366] RET activatePump__before__methaneQuery() [L212] RET activatePump() [L233] RET processEnvironment__role__highWaterSensor() [L281] RET processEnvironment__before__lowWaterSensor() [L324] RET processEnvironment__before__methaneAlarm() [L183] RET processEnvironment() [L189] CALL __utac_acc__Specification2_spec__2() [L688] int tmp ; [L689] int tmp___0 ; [L693] CALL, EXPR isMethaneLevelCritical() [L95] int retValue_acc ; [L98] retValue_acc = methaneLevelCritical [L99] return (retValue_acc); [L693] RET, EXPR isMethaneLevelCritical() [L693] tmp = isMethaneLevelCritical() [L695] COND TRUE \read(tmp) [L697] CALL, EXPR isPumpRunning() [L392] int retValue_acc ; [L395] retValue_acc = pumpRunning [L396] return (retValue_acc); [L697] RET, EXPR isPumpRunning() [L697] tmp___0 = isPumpRunning() [L699] COND TRUE \read(tmp___0) [L700] COND FALSE !(\read(methAndRunningLastTime)) [L705] methAndRunningLastTime = 1 [L189] RET __utac_acc__Specification2_spec__2() [L665] RET timeShift() [L610] COND TRUE 1 [L612] COND TRUE splverifierCounter < 4 [L618] tmp = __VERIFIER_nondet_int() [L620] COND FALSE !(\read(tmp)) [L628] tmp___0 = __VERIFIER_nondet_int() [L630] COND FALSE !(\read(tmp___0)) [L638] tmp___2 = __VERIFIER_nondet_int() [L640] COND TRUE \read(tmp___2) [L641] COND FALSE !(\read(__SELECTED_FEATURE_startCommand)) [L665] CALL timeShift() [L174] COND TRUE \read(pumpRunning) [L176] CALL lowerWaterLevel() [L62] COND TRUE waterLevel > 0 [L63] waterLevel = waterLevel - 1 [L176] RET lowerWaterLevel() [L181] COND TRUE \read(systemActive) [L183] CALL processEnvironment() [L317] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) [L324] CALL processEnvironment__before__methaneAlarm() [L274] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) [L281] CALL processEnvironment__before__lowWaterSensor() [L231] COND TRUE \read(__SELECTED_FEATURE_highWaterSensor) [L233] CALL processEnvironment__role__highWaterSensor() [L203] int tmp ; [L206] COND FALSE !(! pumpRunning) [L221] FCALL processEnvironment__before__highWaterSensor() [L233] RET processEnvironment__role__highWaterSensor() [L281] RET processEnvironment__before__lowWaterSensor() [L324] RET processEnvironment__before__methaneAlarm() [L183] RET processEnvironment() [L189] CALL __utac_acc__Specification2_spec__2() [L688] int tmp ; [L689] int tmp___0 ; [L693] CALL, EXPR isMethaneLevelCritical() [L95] int retValue_acc ; [L98] retValue_acc = methaneLevelCritical [L99] return (retValue_acc); [L693] RET, EXPR isMethaneLevelCritical() [L693] tmp = isMethaneLevelCritical() [L695] COND TRUE \read(tmp) [L697] CALL, EXPR isPumpRunning() [L392] int retValue_acc ; [L395] retValue_acc = pumpRunning [L396] return (retValue_acc); [L697] RET, EXPR isPumpRunning() [L697] tmp___0 = isPumpRunning() [L699] COND TRUE \read(tmp___0) [L700] COND TRUE \read(methAndRunningLastTime) [L702] CALL __automaton_fail() [L1087] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 303 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 88.5s, OverallIterations: 8, TraceHistogramMax: 6, AutomataDifference: 54.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1459 SDtfs, 10221 SDslu, 882 SDs, 0 SdLazy, 12221 SolverSat, 9402 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 30.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 663 GetRequests, 395 SyntacticMatches, 6 SemanticMatches, 262 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3328 ImplicationChecksByTransitivity, 17.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4044occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 3645 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 29.3s InterpolantComputationTime, 1131 NumberOfCodeBlocks, 1131 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 933 ConstructedInterpolants, 0 QuantifiedInterpolants, 446924 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 390/404 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...