/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 -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product47.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 18:16:02,685 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 18:16:02,688 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 18:16:02,731 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 18:16:02,731 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 18:16:02,742 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 18:16:02,743 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 18:16:02,746 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 18:16:02,750 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 18:16:02,753 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 18:16:02,754 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 18:16:02,756 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 18:16:02,756 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 18:16:02,759 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 18:16:02,761 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 18:16:02,761 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 18:16:02,763 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 18:16:02,764 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 18:16:02,766 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 18:16:02,772 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 18:16:02,774 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 18:16:02,775 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 18:16:02,777 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 18:16:02,777 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 18:16:02,782 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 18:16:02,782 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 18:16:02,782 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 18:16:02,785 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 18:16:02,785 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 18:16:02,787 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 18:16:02,787 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 18:16:02,788 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 18:16:02,788 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 18:16:02,789 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 18:16:02,790 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 18:16:02,790 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 18:16:02,791 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 18:16:02,791 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 18:16:02,791 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 18:16:02,792 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 18:16:02,794 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 18:16:02,794 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-08-22 18:16:02,811 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 18:16:02,811 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 18:16:02,813 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 18:16:02,813 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 18:16:02,813 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 18:16:02,814 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 18:16:02,814 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 18:16:02,814 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 18:16:02,814 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 18:16:02,814 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 18:16:02,816 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 18:16:02,816 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 18:16:02,816 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 18:16:02,816 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 18:16:02,817 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 18:16:02,817 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-08-22 18:16:02,817 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 18:16:02,817 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 18:16:02,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 18:16:02,818 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 18:16:02,818 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-08-22 18:16:02,818 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 18:16:02,818 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-08-22 18:16:03,090 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 18:16:03,105 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 18:16:03,112 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 18:16:03,114 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 18:16:03,114 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 18:16:03,115 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product47.cil.c [2020-08-22 18:16:03,182 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c4f0c515/1113d8ca73a643cb884289806ce08a90/FLAGb7da7b7a9 [2020-08-22 18:16:03,683 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 18:16:03,684 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product47.cil.c [2020-08-22 18:16:03,698 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c4f0c515/1113d8ca73a643cb884289806ce08a90/FLAGb7da7b7a9 [2020-08-22 18:16:04,004 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c4f0c515/1113d8ca73a643cb884289806ce08a90 [2020-08-22 18:16:04,013 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 18:16:04,015 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 18:16:04,016 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 18:16:04,017 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 18:16:04,020 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 18:16:04,021 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 06:16:04" (1/1) ... [2020-08-22 18:16:04,024 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33949e6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:16:04, skipping insertion in model container [2020-08-22 18:16:04,024 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 06:16:04" (1/1) ... [2020-08-22 18:16:04,032 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 18:16:04,099 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 18:16:04,533 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 18:16:04,555 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 18:16:04,641 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 18:16:04,675 INFO L208 MainTranslator]: Completed translation [2020-08-22 18:16:04,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:16:04 WrapperNode [2020-08-22 18:16:04,676 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 18:16:04,677 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 18:16:04,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 18:16:04,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 18:16:04,689 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:16:04" (1/1) ... [2020-08-22 18:16:04,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:16:04" (1/1) ... [2020-08-22 18:16:04,709 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:16:04" (1/1) ... [2020-08-22 18:16:04,709 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:16:04" (1/1) ... [2020-08-22 18:16:04,741 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:16:04" (1/1) ... [2020-08-22 18:16:04,752 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:16:04" (1/1) ... [2020-08-22 18:16:04,757 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:16:04" (1/1) ... [2020-08-22 18:16:04,764 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 18:16:04,765 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 18:16:04,765 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 18:16:04,765 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 18:16:04,766 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:16:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-08-22 18:16:04,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 18:16:04,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 18:16:04,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-22 18:16:04,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-22 18:16:04,845 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-22 18:16:04,846 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-22 18:16:04,846 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-08-22 18:16:04,846 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-22 18:16:04,846 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-08-22 18:16:04,846 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-22 18:16:04,846 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-22 18:16:04,847 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-22 18:16:04,847 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-22 18:16:04,848 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-22 18:16:04,848 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-08-22 18:16:04,848 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-22 18:16:04,848 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-22 18:16:04,849 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-22 18:16:04,849 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-22 18:16:04,849 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-22 18:16:04,850 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-22 18:16:04,850 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 18:16:04,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-22 18:16:04,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-22 18:16:04,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-22 18:16:04,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-22 18:16:04,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-22 18:16:04,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-22 18:16:04,854 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-22 18:16:04,854 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-22 18:16:04,854 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-22 18:16:04,854 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-22 18:16:04,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-08-22 18:16:04,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-08-22 18:16:04,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-08-22 18:16:04,855 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-22 18:16:04,855 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-22 18:16:04,855 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-22 18:16:04,855 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-22 18:16:04,855 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-22 18:16:04,855 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-22 18:16:04,856 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-08-22 18:16:04,856 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 18:16:04,856 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 18:16:04,856 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-22 18:16:04,856 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-22 18:16:04,856 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-22 18:16:04,857 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-22 18:16:04,857 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-22 18:16:04,857 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-08-22 18:16:04,858 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-22 18:16:04,858 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-22 18:16:04,858 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-22 18:16:04,858 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-22 18:16:04,858 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-22 18:16:04,858 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-22 18:16:04,858 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-08-22 18:16:04,859 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-08-22 18:16:04,859 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-22 18:16:04,859 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-22 18:16:04,859 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-08-22 18:16:04,859 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-08-22 18:16:04,859 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-22 18:16:04,860 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-08-22 18:16:04,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 18:16:04,860 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-22 18:16:04,860 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-22 18:16:04,860 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-22 18:16:04,860 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-22 18:16:04,860 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-22 18:16:04,861 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-22 18:16:04,861 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-08-22 18:16:04,861 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-22 18:16:04,861 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-22 18:16:04,861 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-22 18:16:04,861 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-22 18:16:04,862 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 18:16:04,862 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-22 18:16:04,862 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-22 18:16:04,862 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-22 18:16:04,863 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-22 18:16:04,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 18:16:04,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 18:16:04,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 18:16:04,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 18:16:04,864 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-22 18:16:04,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 18:16:04,865 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-22 18:16:04,865 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-22 18:16:04,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 18:16:04,865 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-22 18:16:04,866 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-22 18:16:04,866 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-22 18:16:04,866 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-22 18:16:04,866 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-22 18:16:04,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 18:16:04,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-22 18:16:04,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 18:16:06,014 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 18:16:06,015 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-22 18:16:06,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 06:16:06 BoogieIcfgContainer [2020-08-22 18:16:06,022 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 18:16:06,023 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 18:16:06,023 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 18:16:06,026 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 18:16:06,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 06:16:04" (1/3) ... [2020-08-22 18:16:06,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10dc287e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 06:16:06, skipping insertion in model container [2020-08-22 18:16:06,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:16:04" (2/3) ... [2020-08-22 18:16:06,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10dc287e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 06:16:06, skipping insertion in model container [2020-08-22 18:16:06,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 06:16:06" (3/3) ... [2020-08-22 18:16:06,030 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product47.cil.c [2020-08-22 18:16:06,041 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 18:16:06,050 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 18:16:06,062 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 18:16:06,080 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 18:16:06,080 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 18:16:06,080 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-08-22 18:16:06,080 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 18:16:06,081 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 18:16:06,081 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 18:16:06,081 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 18:16:06,081 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 18:16:06,101 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states. [2020-08-22 18:16:06,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-08-22 18:16:06,123 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:16:06,125 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:16:06,125 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:16:06,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:16:06,132 INFO L82 PathProgramCache]: Analyzing trace with hash 41211657, now seen corresponding path program 1 times [2020-08-22 18:16:06,139 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:16:06,139 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [150055037] [2020-08-22 18:16:06,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:16:06,204 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:16:06,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:06,942 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:16:06,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:06,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:07,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:16:07,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:07,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:16:07,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:07,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:16:07,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:07,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:16:07,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:07,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:16:07,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:07,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-08-22 18:16:07,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:07,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:07,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:07,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-08-22 18:16:07,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:07,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-08-22 18:16:07,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:07,197 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-22 18:16:07,200 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [150055037] [2020-08-22 18:16:07,202 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:16:07,202 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 18:16:07,203 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984932419] [2020-08-22 18:16:07,211 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 18:16:07,211 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:16:07,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 18:16:07,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-22 18:16:07,230 INFO L87 Difference]: Start difference. First operand 334 states. Second operand 4 states. [2020-08-22 18:16:08,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:16:08,715 INFO L93 Difference]: Finished difference Result 530 states and 624 transitions. [2020-08-22 18:16:08,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-22 18:16:08,718 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-08-22 18:16:08,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:16:08,749 INFO L225 Difference]: With dead ends: 530 [2020-08-22 18:16:08,749 INFO L226 Difference]: Without dead ends: 332 [2020-08-22 18:16:08,760 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-22 18:16:08,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2020-08-22 18:16:08,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 283. [2020-08-22 18:16:08,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2020-08-22 18:16:08,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 310 transitions. [2020-08-22 18:16:08,950 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 310 transitions. Word has length 160 [2020-08-22 18:16:08,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:16:08,952 INFO L479 AbstractCegarLoop]: Abstraction has 283 states and 310 transitions. [2020-08-22 18:16:08,952 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 18:16:08,952 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 310 transitions. [2020-08-22 18:16:08,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-08-22 18:16:08,957 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:16:08,958 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:16:08,958 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 18:16:08,959 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:16:08,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:16:08,959 INFO L82 PathProgramCache]: Analyzing trace with hash -902563244, now seen corresponding path program 1 times [2020-08-22 18:16:08,959 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:16:08,960 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1450372465] [2020-08-22 18:16:08,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:16:08,964 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:16:09,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:09,353 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:16:09,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:09,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:09,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:16:09,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:09,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:16:09,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:09,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:16:09,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:09,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:16:09,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:09,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:16:09,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:09,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 18:16:09,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:09,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:09,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:09,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-08-22 18:16:09,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:09,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-08-22 18:16:09,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:09,442 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-22 18:16:09,443 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1450372465] [2020-08-22 18:16:09,443 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:16:09,443 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 18:16:09,443 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83685799] [2020-08-22 18:16:09,445 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 18:16:09,445 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:16:09,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 18:16:09,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-22 18:16:09,446 INFO L87 Difference]: Start difference. First operand 283 states and 310 transitions. Second operand 5 states. [2020-08-22 18:16:10,077 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:16:11,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:16:11,147 INFO L93 Difference]: Finished difference Result 453 states and 512 transitions. [2020-08-22 18:16:11,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 18:16:11,148 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-08-22 18:16:11,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:16:11,154 INFO L225 Difference]: With dead ends: 453 [2020-08-22 18:16:11,154 INFO L226 Difference]: Without dead ends: 321 [2020-08-22 18:16:11,156 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-22 18:16:11,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2020-08-22 18:16:11,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 273. [2020-08-22 18:16:11,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2020-08-22 18:16:11,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 297 transitions. [2020-08-22 18:16:11,227 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 297 transitions. Word has length 161 [2020-08-22 18:16:11,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:16:11,228 INFO L479 AbstractCegarLoop]: Abstraction has 273 states and 297 transitions. [2020-08-22 18:16:11,228 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 18:16:11,228 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 297 transitions. [2020-08-22 18:16:11,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-08-22 18:16:11,231 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:16:11,231 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:16:11,231 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 18:16:11,231 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:16:11,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:16:11,232 INFO L82 PathProgramCache]: Analyzing trace with hash 1967698974, now seen corresponding path program 1 times [2020-08-22 18:16:11,232 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:16:11,232 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1065667645] [2020-08-22 18:16:11,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:16:11,236 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:16:11,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:11,615 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:16:11,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:11,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:11,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:16:11,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:11,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:16:11,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:11,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:16:11,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:11,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:16:11,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:11,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:16:11,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:11,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-08-22 18:16:11,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:11,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:11,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:11,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-08-22 18:16:11,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:11,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-22 18:16:11,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:11,778 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-22 18:16:11,779 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1065667645] [2020-08-22 18:16:11,779 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:16:11,779 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-22 18:16:11,779 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664752208] [2020-08-22 18:16:11,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 18:16:11,780 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:16:11,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 18:16:11,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-08-22 18:16:11,781 INFO L87 Difference]: Start difference. First operand 273 states and 297 transitions. Second operand 10 states. [2020-08-22 18:16:12,277 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:16:12,689 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:16:12,937 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 18:16:13,203 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:16:13,471 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:16:13,719 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:16:14,810 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:16:16,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:16:16,770 INFO L93 Difference]: Finished difference Result 734 states and 845 transitions. [2020-08-22 18:16:16,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-22 18:16:16,770 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 170 [2020-08-22 18:16:16,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:16:16,776 INFO L225 Difference]: With dead ends: 734 [2020-08-22 18:16:16,776 INFO L226 Difference]: Without dead ends: 576 [2020-08-22 18:16:16,777 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-08-22 18:16:16,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2020-08-22 18:16:16,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 503. [2020-08-22 18:16:16,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 503 states. [2020-08-22 18:16:16,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 567 transitions. [2020-08-22 18:16:16,961 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 567 transitions. Word has length 170 [2020-08-22 18:16:16,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:16:16,962 INFO L479 AbstractCegarLoop]: Abstraction has 503 states and 567 transitions. [2020-08-22 18:16:16,962 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 18:16:16,962 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 567 transitions. [2020-08-22 18:16:16,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-08-22 18:16:16,965 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:16:16,966 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:16:16,966 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 18:16:16,966 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:16:16,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:16:16,967 INFO L82 PathProgramCache]: Analyzing trace with hash -1112258490, now seen corresponding path program 1 times [2020-08-22 18:16:16,967 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:16:16,967 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1285505319] [2020-08-22 18:16:16,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:16:16,970 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:16:17,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:17,261 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:16:17,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:17,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:17,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:16:17,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:17,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:16:17,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:17,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:16:17,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:17,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:16:17,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:17,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:16:17,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:17,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-08-22 18:16:17,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:17,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-08-22 18:16:17,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:17,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:17,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:17,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-08-22 18:16:17,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:17,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-08-22 18:16:17,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:17,520 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-08-22 18:16:17,521 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1285505319] [2020-08-22 18:16:17,521 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:16:17,521 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-22 18:16:17,522 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677841065] [2020-08-22 18:16:17,522 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 18:16:17,522 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:16:17,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 18:16:17,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-08-22 18:16:17,523 INFO L87 Difference]: Start difference. First operand 503 states and 567 transitions. Second operand 10 states. [2020-08-22 18:16:18,184 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:16:19,051 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:16:19,307 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:16:20,514 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:16:20,772 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:16:21,026 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:16:21,375 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:16:21,602 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:16:21,870 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:16:22,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:16:22,667 INFO L93 Difference]: Finished difference Result 1178 states and 1405 transitions. [2020-08-22 18:16:22,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-08-22 18:16:22,698 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 179 [2020-08-22 18:16:22,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:16:22,704 INFO L225 Difference]: With dead ends: 1178 [2020-08-22 18:16:22,704 INFO L226 Difference]: Without dead ends: 790 [2020-08-22 18:16:22,706 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-08-22 18:16:22,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2020-08-22 18:16:22,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 701. [2020-08-22 18:16:22,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 701 states. [2020-08-22 18:16:22,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 787 transitions. [2020-08-22 18:16:22,908 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 787 transitions. Word has length 179 [2020-08-22 18:16:22,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:16:22,909 INFO L479 AbstractCegarLoop]: Abstraction has 701 states and 787 transitions. [2020-08-22 18:16:22,909 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 18:16:22,909 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 787 transitions. [2020-08-22 18:16:22,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-08-22 18:16:22,913 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:16:22,914 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:16:22,914 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 18:16:22,914 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:16:22,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:16:22,915 INFO L82 PathProgramCache]: Analyzing trace with hash 212621173, now seen corresponding path program 1 times [2020-08-22 18:16:22,915 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:16:22,915 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1052204527] [2020-08-22 18:16:22,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:16:22,918 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:16:22,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:23,189 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:16:23,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:23,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:23,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:16:23,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:23,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:16:23,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:23,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:16:23,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:23,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:16:23,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:23,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:16:23,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:23,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-08-22 18:16:23,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:23,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:23,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:23,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-08-22 18:16:23,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:23,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:23,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:23,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:23,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:23,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:16:23,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:23,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:16:23,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:23,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:16:23,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:23,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:16:23,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:23,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:16:23,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:23,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-08-22 18:16:23,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:23,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-08-22 18:16:23,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:23,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 18:16:23,411 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1052204527] [2020-08-22 18:16:23,411 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:16:23,411 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-22 18:16:23,412 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974618621] [2020-08-22 18:16:23,412 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 18:16:23,412 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:16:23,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 18:16:23,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-08-22 18:16:23,416 INFO L87 Difference]: Start difference. First operand 701 states and 787 transitions. Second operand 10 states. [2020-08-22 18:16:24,814 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:16:25,068 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 18:16:25,347 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-08-22 18:16:25,607 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:16:25,865 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:16:26,112 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:16:27,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:16:27,113 INFO L93 Difference]: Finished difference Result 1426 states and 1690 transitions. [2020-08-22 18:16:27,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-22 18:16:27,116 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 230 [2020-08-22 18:16:27,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:16:27,122 INFO L225 Difference]: With dead ends: 1426 [2020-08-22 18:16:27,122 INFO L226 Difference]: Without dead ends: 840 [2020-08-22 18:16:27,125 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-08-22 18:16:27,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840 states. [2020-08-22 18:16:27,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840 to 720. [2020-08-22 18:16:27,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 720 states. [2020-08-22 18:16:27,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 720 states and 807 transitions. [2020-08-22 18:16:27,342 INFO L78 Accepts]: Start accepts. Automaton has 720 states and 807 transitions. Word has length 230 [2020-08-22 18:16:27,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:16:27,342 INFO L479 AbstractCegarLoop]: Abstraction has 720 states and 807 transitions. [2020-08-22 18:16:27,342 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 18:16:27,343 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 807 transitions. [2020-08-22 18:16:27,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-08-22 18:16:27,346 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:16:27,347 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:16:27,347 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 18:16:27,347 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:16:27,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:16:27,348 INFO L82 PathProgramCache]: Analyzing trace with hash 880367573, now seen corresponding path program 1 times [2020-08-22 18:16:27,348 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:16:27,348 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [669314110] [2020-08-22 18:16:27,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:16:27,351 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:16:27,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:27,730 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:16:27,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:27,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:27,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:16:27,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:27,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:16:27,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:27,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:16:27,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:27,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:16:27,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:27,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:16:27,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:27,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-08-22 18:16:27,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:27,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:27,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:27,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-08-22 18:16:27,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:27,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:27,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:27,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:27,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:27,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:16:27,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:27,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:16:27,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:27,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:16:27,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:27,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:16:27,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:27,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:16:27,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:27,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-08-22 18:16:27,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:27,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-08-22 18:16:27,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:27,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 18:16:27,979 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [669314110] [2020-08-22 18:16:27,980 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:16:27,980 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-08-22 18:16:27,980 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983985894] [2020-08-22 18:16:27,981 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-08-22 18:16:27,981 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:16:27,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-08-22 18:16:27,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2020-08-22 18:16:27,982 INFO L87 Difference]: Start difference. First operand 720 states and 807 transitions. Second operand 13 states. [2020-08-22 18:16:28,563 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:16:28,797 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 18:16:29,044 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:16:29,290 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:16:29,523 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:16:30,509 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:16:30,758 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:16:31,039 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:16:31,319 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:16:31,565 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:16:32,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:16:32,931 INFO L93 Difference]: Finished difference Result 1463 states and 1728 transitions. [2020-08-22 18:16:32,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-22 18:16:32,936 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 230 [2020-08-22 18:16:32,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:16:32,942 INFO L225 Difference]: With dead ends: 1463 [2020-08-22 18:16:32,943 INFO L226 Difference]: Without dead ends: 858 [2020-08-22 18:16:32,945 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=110, Invalid=442, Unknown=0, NotChecked=0, Total=552 [2020-08-22 18:16:32,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2020-08-22 18:16:33,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 732. [2020-08-22 18:16:33,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 732 states. [2020-08-22 18:16:33,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 819 transitions. [2020-08-22 18:16:33,157 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 819 transitions. Word has length 230 [2020-08-22 18:16:33,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:16:33,157 INFO L479 AbstractCegarLoop]: Abstraction has 732 states and 819 transitions. [2020-08-22 18:16:33,157 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-08-22 18:16:33,157 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 819 transitions. [2020-08-22 18:16:33,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-08-22 18:16:33,162 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:16:33,162 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:16:33,162 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-22 18:16:33,162 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:16:33,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:16:33,163 INFO L82 PathProgramCache]: Analyzing trace with hash 1607472850, now seen corresponding path program 1 times [2020-08-22 18:16:33,163 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:16:33,163 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [378147259] [2020-08-22 18:16:33,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:16:33,166 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:16:33,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:33,429 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:16:33,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:33,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:33,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:16:33,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:33,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:16:33,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:33,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:16:33,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:33,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:16:33,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:33,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:16:33,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:33,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-08-22 18:16:33,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:33,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:33,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:33,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-08-22 18:16:33,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:33,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:33,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:33,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:33,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:33,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:16:33,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:33,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:16:33,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:33,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:16:33,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:33,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:16:33,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:33,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:16:33,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:33,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-08-22 18:16:33,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:33,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-08-22 18:16:33,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:33,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 18:16:33,624 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [378147259] [2020-08-22 18:16:33,624 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:16:33,624 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 18:16:33,625 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254591322] [2020-08-22 18:16:33,625 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 18:16:33,625 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:16:33,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 18:16:33,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-08-22 18:16:33,626 INFO L87 Difference]: Start difference. First operand 732 states and 819 transitions. Second operand 7 states. [2020-08-22 18:16:34,095 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:16:34,706 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:16:37,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:16:37,047 INFO L93 Difference]: Finished difference Result 2149 states and 2562 transitions. [2020-08-22 18:16:37,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-22 18:16:37,048 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 230 [2020-08-22 18:16:37,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:16:37,056 INFO L225 Difference]: With dead ends: 2149 [2020-08-22 18:16:37,056 INFO L226 Difference]: Without dead ends: 1532 [2020-08-22 18:16:37,059 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 45 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-08-22 18:16:37,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1532 states. [2020-08-22 18:16:37,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1532 to 1408. [2020-08-22 18:16:37,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1408 states. [2020-08-22 18:16:37,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1408 states to 1408 states and 1604 transitions. [2020-08-22 18:16:37,456 INFO L78 Accepts]: Start accepts. Automaton has 1408 states and 1604 transitions. Word has length 230 [2020-08-22 18:16:37,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:16:37,456 INFO L479 AbstractCegarLoop]: Abstraction has 1408 states and 1604 transitions. [2020-08-22 18:16:37,456 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 18:16:37,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1408 states and 1604 transitions. [2020-08-22 18:16:37,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-08-22 18:16:37,459 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:16:37,459 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:16:37,460 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-22 18:16:37,460 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:16:37,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:16:37,460 INFO L82 PathProgramCache]: Analyzing trace with hash -1130657052, now seen corresponding path program 1 times [2020-08-22 18:16:37,460 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:16:37,461 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1784988469] [2020-08-22 18:16:37,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:16:37,463 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:16:37,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:37,796 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:16:37,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:37,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:37,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:16:37,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:37,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:16:37,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:37,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:16:37,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:37,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:16:37,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:37,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:16:37,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:37,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 18:16:37,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:37,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-08-22 18:16:37,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:37,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:37,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:37,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-08-22 18:16:37,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:37,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:37,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:37,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:37,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:37,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:16:37,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:37,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:16:37,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:37,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:16:37,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:37,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:16:37,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:37,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:16:37,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:37,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-08-22 18:16:37,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:37,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-08-22 18:16:37,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:38,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 18:16:38,045 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1784988469] [2020-08-22 18:16:38,045 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:16:38,046 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-08-22 18:16:38,046 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232770301] [2020-08-22 18:16:38,046 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-22 18:16:38,047 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:16:38,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-22 18:16:38,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-08-22 18:16:38,047 INFO L87 Difference]: Start difference. First operand 1408 states and 1604 transitions. Second operand 14 states. [2020-08-22 18:16:38,711 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-08-22 18:16:39,479 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:16:40,559 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-08-22 18:16:41,031 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-08-22 18:16:41,353 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:16:41,608 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:16:42,078 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-08-22 18:16:42,353 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:16:42,638 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:16:42,878 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:16:45,339 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-08-22 18:16:45,882 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:16:46,112 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:16:46,419 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:16:47,415 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-08-22 18:16:47,860 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-08-22 18:16:48,330 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-08-22 18:16:48,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:16:48,985 INFO L93 Difference]: Finished difference Result 4039 states and 4833 transitions. [2020-08-22 18:16:48,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-08-22 18:16:48,986 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 235 [2020-08-22 18:16:48,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:16:49,003 INFO L225 Difference]: With dead ends: 4039 [2020-08-22 18:16:49,003 INFO L226 Difference]: Without dead ends: 3023 [2020-08-22 18:16:49,009 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 617 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=499, Invalid=1853, Unknown=0, NotChecked=0, Total=2352 [2020-08-22 18:16:49,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3023 states. [2020-08-22 18:16:50,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3023 to 2589. [2020-08-22 18:16:50,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2589 states. [2020-08-22 18:16:50,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2589 states to 2589 states and 2929 transitions. [2020-08-22 18:16:50,300 INFO L78 Accepts]: Start accepts. Automaton has 2589 states and 2929 transitions. Word has length 235 [2020-08-22 18:16:50,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:16:50,301 INFO L479 AbstractCegarLoop]: Abstraction has 2589 states and 2929 transitions. [2020-08-22 18:16:50,301 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-22 18:16:50,301 INFO L276 IsEmpty]: Start isEmpty. Operand 2589 states and 2929 transitions. [2020-08-22 18:16:50,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2020-08-22 18:16:50,306 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:16:50,307 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:16:50,307 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-22 18:16:50,307 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:16:50,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:16:50,308 INFO L82 PathProgramCache]: Analyzing trace with hash 684822519, now seen corresponding path program 1 times [2020-08-22 18:16:50,308 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:16:50,308 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [41167324] [2020-08-22 18:16:50,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:16:50,347 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:16:50,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:50,665 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:16:50,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:50,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:50,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:16:50,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:50,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:16:50,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:50,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:16:50,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:50,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:16:50,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:50,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:16:50,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:50,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 18:16:50,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:50,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:16:50,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:50,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:50,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:50,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:50,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:50,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 18:16:50,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:50,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:50,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:50,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:50,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:50,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:16:50,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:50,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:16:50,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:51,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:16:51,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:51,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:16:51,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:51,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:16:51,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:51,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-22 18:16:51,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:51,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:51,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:51,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-08-22 18:16:51,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:51,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:51,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:51,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-08-22 18:16:51,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:51,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2020-08-22 18:16:51,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:51,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:51,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:51,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:16:51,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:51,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:16:51,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:51,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:51,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:51,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2020-08-22 18:16:51,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:51,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2020-08-22 18:16:51,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:51,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 18:16:51,443 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [41167324] [2020-08-22 18:16:51,443 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:16:51,443 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-08-22 18:16:51,444 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930449894] [2020-08-22 18:16:51,445 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-22 18:16:51,445 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:16:51,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-22 18:16:51,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2020-08-22 18:16:51,450 INFO L87 Difference]: Start difference. First operand 2589 states and 2929 transitions. Second operand 18 states. [2020-08-22 18:16:52,302 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:16:52,539 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 18:16:52,779 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:16:53,016 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:16:53,241 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:16:54,096 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-08-22 18:16:54,469 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-08-22 18:16:54,733 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-08-22 18:16:55,064 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:16:55,368 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 18:16:55,791 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-08-22 18:16:56,138 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-08-22 18:16:56,419 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-08-22 18:16:58,188 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:16:59,044 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-08-22 18:16:59,518 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-08-22 18:16:59,988 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-08-22 18:17:00,398 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:17:01,088 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:17:01,705 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-08-22 18:17:02,006 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-08-22 18:17:02,584 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-08-22 18:17:03,097 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 196 [2020-08-22 18:17:03,903 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-08-22 18:17:04,296 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:17:04,862 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2020-08-22 18:17:06,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:17:06,152 INFO L93 Difference]: Finished difference Result 5495 states and 6348 transitions. [2020-08-22 18:17:06,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2020-08-22 18:17:06,153 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 317 [2020-08-22 18:17:06,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:17:06,171 INFO L225 Difference]: With dead ends: 5495 [2020-08-22 18:17:06,171 INFO L226 Difference]: Without dead ends: 3283 [2020-08-22 18:17:06,180 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1431 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=934, Invalid=4322, Unknown=0, NotChecked=0, Total=5256 [2020-08-22 18:17:06,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3283 states. [2020-08-22 18:17:07,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3283 to 2995. [2020-08-22 18:17:07,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2995 states. [2020-08-22 18:17:07,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2995 states to 2995 states and 3338 transitions. [2020-08-22 18:17:07,423 INFO L78 Accepts]: Start accepts. Automaton has 2995 states and 3338 transitions. Word has length 317 [2020-08-22 18:17:07,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:17:07,424 INFO L479 AbstractCegarLoop]: Abstraction has 2995 states and 3338 transitions. [2020-08-22 18:17:07,424 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-22 18:17:07,424 INFO L276 IsEmpty]: Start isEmpty. Operand 2995 states and 3338 transitions. [2020-08-22 18:17:07,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 506 [2020-08-22 18:17:07,436 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:17:07,436 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:17:07,437 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-22 18:17:07,437 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:17:07,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:17:07,437 INFO L82 PathProgramCache]: Analyzing trace with hash -1969896623, now seen corresponding path program 1 times [2020-08-22 18:17:07,437 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:17:07,438 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [322946529] [2020-08-22 18:17:07,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:17:07,458 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:17:07,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:07,788 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:17:07,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:07,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:07,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:17:07,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:07,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:17:07,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:07,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:17:07,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:07,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:17:07,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:07,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:17:07,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:07,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 18:17:07,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:07,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:17:07,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:07,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:07,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:07,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:07,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:07,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 18:17:07,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:07,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:07,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:07,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:07,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:07,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:17:07,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:07,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:17:07,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:07,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:17:07,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:07,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:17:07,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:07,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:17:07,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:07,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-22 18:17:07,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:07,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:07,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:08,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-08-22 18:17:08,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:08,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:08,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:08,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:08,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:08,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:17:08,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:08,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:17:08,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:08,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:08,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:08,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:17:08,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:08,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:17:08,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:08,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:08,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:08,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 18:17:08,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:08,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:08,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:08,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2020-08-22 18:17:08,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:08,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:08,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:08,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:08,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:08,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:17:08,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:08,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:17:08,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:08,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:08,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:08,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:17:08,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:08,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:17:08,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:08,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:17:08,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:08,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:08,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:08,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2020-08-22 18:17:08,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:08,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2020-08-22 18:17:08,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:08,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:08,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:08,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2020-08-22 18:17:08,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:08,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:08,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:08,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:08,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:08,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:17:08,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:08,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:17:08,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:08,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:17:08,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:08,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:17:08,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:08,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:17:08,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:08,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2020-08-22 18:17:08,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:08,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2020-08-22 18:17:08,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:08,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 18:17:08,470 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [322946529] [2020-08-22 18:17:08,470 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:17:08,470 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-08-22 18:17:08,470 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642563871] [2020-08-22 18:17:08,471 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-08-22 18:17:08,471 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:17:08,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-08-22 18:17:08,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2020-08-22 18:17:08,472 INFO L87 Difference]: Start difference. First operand 2995 states and 3338 transitions. Second operand 16 states. [2020-08-22 18:17:09,870 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:17:10,116 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:17:10,385 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:17:10,653 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:17:10,884 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:17:11,119 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:17:12,464 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:17:12,725 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:17:15,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:17:15,611 INFO L93 Difference]: Finished difference Result 7995 states and 9183 transitions. [2020-08-22 18:17:15,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-08-22 18:17:15,611 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 505 [2020-08-22 18:17:15,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:17:15,637 INFO L225 Difference]: With dead ends: 7995 [2020-08-22 18:17:15,638 INFO L226 Difference]: Without dead ends: 4678 [2020-08-22 18:17:15,649 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 113 SyntacticMatches, 6 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=292, Invalid=968, Unknown=0, NotChecked=0, Total=1260 [2020-08-22 18:17:15,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4678 states. [2020-08-22 18:17:17,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4678 to 4068. [2020-08-22 18:17:17,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4068 states. [2020-08-22 18:17:17,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4068 states to 4068 states and 4617 transitions. [2020-08-22 18:17:17,392 INFO L78 Accepts]: Start accepts. Automaton has 4068 states and 4617 transitions. Word has length 505 [2020-08-22 18:17:17,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:17:17,393 INFO L479 AbstractCegarLoop]: Abstraction has 4068 states and 4617 transitions. [2020-08-22 18:17:17,393 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-08-22 18:17:17,393 INFO L276 IsEmpty]: Start isEmpty. Operand 4068 states and 4617 transitions. [2020-08-22 18:17:17,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 516 [2020-08-22 18:17:17,407 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:17:17,408 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:17:17,408 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-22 18:17:17,409 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:17:17,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:17:17,409 INFO L82 PathProgramCache]: Analyzing trace with hash 1401653272, now seen corresponding path program 1 times [2020-08-22 18:17:17,409 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:17:17,409 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [127897002] [2020-08-22 18:17:17,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:17:17,437 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:17:17,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:17,767 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:17:17,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:17,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:17,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:17:17,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:17,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:17:17,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:17,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:17:17,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:17,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:17:17,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:17,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:17:17,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:17,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 18:17:17,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:17,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:17:17,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:17,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:17,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:17,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:17,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:17,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 18:17:17,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:17,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:17,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:17,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:17,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:17,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:17:17,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:17,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:17:17,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:17,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:17:17,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:17,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:17:17,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:17,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:17:17,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:17,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-22 18:17:17,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:17,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:17,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:17,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-08-22 18:17:17,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:17,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:17,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:17,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:17,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:17,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:17:17,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:17,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:17:17,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:17,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:17,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:17,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:17:17,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:17,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:17:17,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:17,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:17,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:17,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 18:17:17,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:18,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:18,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:18,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 18:17:18,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:18,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2020-08-22 18:17:18,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:18,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:18,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:18,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:18,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:18,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:17:18,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:18,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:17:18,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:18,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:18,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:18,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:17:18,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:18,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:17:18,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:18,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:17:18,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:18,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:18,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:18,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2020-08-22 18:17:18,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:18,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2020-08-22 18:17:18,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:18,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:18,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:18,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2020-08-22 18:17:18,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:18,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:18,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:18,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:18,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:18,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:17:18,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:18,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:17:18,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:18,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:17:18,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:18,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:17:18,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:18,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:17:18,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:18,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2020-08-22 18:17:18,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:18,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2020-08-22 18:17:18,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:18,548 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-08-22 18:17:18,549 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [127897002] [2020-08-22 18:17:18,549 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:17:18,549 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-08-22 18:17:18,550 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56482939] [2020-08-22 18:17:18,552 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-22 18:17:18,552 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:17:18,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-22 18:17:18,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2020-08-22 18:17:18,556 INFO L87 Difference]: Start difference. First operand 4068 states and 4617 transitions. Second operand 18 states. [2020-08-22 18:17:19,026 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:17:19,366 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:17:19,615 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 18:17:19,862 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:17:20,119 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 18:17:20,354 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:17:21,153 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:17:21,423 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:17:22,849 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:17:23,146 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:17:23,396 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:17:23,781 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:17:24,456 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:17:24,701 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:17:25,609 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:17:25,876 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:17:26,110 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:17:27,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:17:27,802 INFO L93 Difference]: Finished difference Result 7752 states and 8888 transitions. [2020-08-22 18:17:27,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-08-22 18:17:27,807 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 515 [2020-08-22 18:17:27,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:17:27,828 INFO L225 Difference]: With dead ends: 7752 [2020-08-22 18:17:27,828 INFO L226 Difference]: Without dead ends: 4093 [2020-08-22 18:17:27,840 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 452 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=414, Invalid=1748, Unknown=0, NotChecked=0, Total=2162 [2020-08-22 18:17:27,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4093 states. [2020-08-22 18:17:29,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4093 to 3973. [2020-08-22 18:17:29,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3973 states. [2020-08-22 18:17:29,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3973 states to 3973 states and 4480 transitions. [2020-08-22 18:17:29,213 INFO L78 Accepts]: Start accepts. Automaton has 3973 states and 4480 transitions. Word has length 515 [2020-08-22 18:17:29,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:17:29,214 INFO L479 AbstractCegarLoop]: Abstraction has 3973 states and 4480 transitions. [2020-08-22 18:17:29,214 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-22 18:17:29,214 INFO L276 IsEmpty]: Start isEmpty. Operand 3973 states and 4480 transitions. [2020-08-22 18:17:29,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 517 [2020-08-22 18:17:29,227 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:17:29,227 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:17:29,228 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-22 18:17:29,228 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:17:29,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:17:29,228 INFO L82 PathProgramCache]: Analyzing trace with hash -2122340453, now seen corresponding path program 1 times [2020-08-22 18:17:29,228 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:17:29,229 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1519181404] [2020-08-22 18:17:29,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:17:29,249 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:17:29,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:29,545 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:17:29,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:29,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:29,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:17:29,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:29,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:17:29,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:29,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:17:29,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:29,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:17:29,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:29,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:17:29,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:29,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 18:17:29,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:29,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:17:29,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:29,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:29,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:29,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:29,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:29,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 18:17:29,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:29,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:29,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:29,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:29,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:29,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:17:29,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:29,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:17:29,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:29,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:17:29,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:29,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:17:29,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:29,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:17:29,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:29,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-22 18:17:29,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:29,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:29,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:29,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-08-22 18:17:29,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:29,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:29,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:29,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:29,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:29,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:17:29,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:29,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:17:29,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:29,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:29,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:29,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:17:29,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:29,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:17:29,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:29,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:29,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:29,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 18:17:29,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:29,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:29,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:29,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 18:17:29,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:29,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2020-08-22 18:17:29,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:29,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:29,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:29,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:29,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:29,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:17:29,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:29,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:17:29,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:29,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:29,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:29,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:17:29,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:29,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:17:29,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:29,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:17:29,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:29,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:29,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:29,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2020-08-22 18:17:29,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:29,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2020-08-22 18:17:29,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:29,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:29,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:29,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2020-08-22 18:17:29,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:29,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:29,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:29,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:29,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:29,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:17:29,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:29,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:17:29,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:29,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:17:29,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:29,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:17:29,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:29,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:17:29,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:29,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2020-08-22 18:17:29,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:29,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-08-22 18:17:29,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:30,136 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-22 18:17:30,137 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1519181404] [2020-08-22 18:17:30,137 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:17:30,137 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-08-22 18:17:30,137 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219877415] [2020-08-22 18:17:30,140 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-08-22 18:17:30,140 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:17:30,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-08-22 18:17:30,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2020-08-22 18:17:30,142 INFO L87 Difference]: Start difference. First operand 3973 states and 4480 transitions. Second operand 16 states. [2020-08-22 18:17:30,604 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:17:31,603 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:17:33,639 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:17:33,924 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:17:34,222 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:17:34,523 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:17:34,776 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:17:35,051 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 18:17:35,297 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:17:35,567 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:17:35,836 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:17:36,150 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 18:17:36,408 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:17:36,685 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 18:17:38,153 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:17:38,639 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 197 [2020-08-22 18:17:39,087 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-08-22 18:17:39,353 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:17:39,639 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-08-22 18:17:39,913 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-08-22 18:17:42,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:17:42,649 INFO L93 Difference]: Finished difference Result 11397 states and 13066 transitions. [2020-08-22 18:17:42,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-08-22 18:17:42,651 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 516 [2020-08-22 18:17:42,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:17:42,691 INFO L225 Difference]: With dead ends: 11397 [2020-08-22 18:17:42,691 INFO L226 Difference]: Without dead ends: 7552 [2020-08-22 18:17:42,707 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 122 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 581 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=491, Invalid=1959, Unknown=0, NotChecked=0, Total=2450 [2020-08-22 18:17:42,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7552 states. [2020-08-22 18:17:45,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7552 to 7355. [2020-08-22 18:17:45,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7355 states. [2020-08-22 18:17:45,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7355 states to 7355 states and 8200 transitions. [2020-08-22 18:17:45,183 INFO L78 Accepts]: Start accepts. Automaton has 7355 states and 8200 transitions. Word has length 516 [2020-08-22 18:17:45,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:17:45,184 INFO L479 AbstractCegarLoop]: Abstraction has 7355 states and 8200 transitions. [2020-08-22 18:17:45,184 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-08-22 18:17:45,184 INFO L276 IsEmpty]: Start isEmpty. Operand 7355 states and 8200 transitions. [2020-08-22 18:17:45,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 518 [2020-08-22 18:17:45,203 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:17:45,203 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:17:45,204 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-08-22 18:17:45,204 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:17:45,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:17:45,204 INFO L82 PathProgramCache]: Analyzing trace with hash -1658788243, now seen corresponding path program 1 times [2020-08-22 18:17:45,204 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:17:45,205 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [977406803] [2020-08-22 18:17:45,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:17:45,233 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:17:45,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:45,516 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:17:45,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:45,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:45,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:17:45,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:45,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:17:45,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:45,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:17:45,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:45,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:17:45,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:45,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:17:45,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:45,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 18:17:45,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:45,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-08-22 18:17:45,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:45,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-08-22 18:17:45,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:45,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:45,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:45,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:45,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:45,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 18:17:45,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:45,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:45,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:45,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:45,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:45,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:17:45,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:45,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:17:45,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:45,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:17:45,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:45,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:17:45,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:45,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:17:45,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:45,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-22 18:17:45,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:45,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:45,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:45,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-08-22 18:17:45,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:45,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:45,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:45,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:45,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:45,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:17:45,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:45,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:17:45,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:45,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:45,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:45,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:17:45,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:45,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:17:45,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:45,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:45,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:45,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 18:17:45,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:45,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:45,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:45,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 18:17:45,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:45,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2020-08-22 18:17:45,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:46,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:46,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:46,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:46,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:46,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:17:46,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:46,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:17:46,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:46,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:46,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:46,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:17:46,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:46,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:17:46,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:46,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:17:46,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:46,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:46,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:46,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2020-08-22 18:17:46,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:46,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:46,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:46,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2020-08-22 18:17:46,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:46,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:46,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:46,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:46,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:46,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:17:46,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:46,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:17:46,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:46,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:17:46,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:46,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:17:46,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:46,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:17:46,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:46,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2020-08-22 18:17:46,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:46,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2020-08-22 18:17:46,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:46,334 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-22 18:17:46,334 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [977406803] [2020-08-22 18:17:46,334 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:17:46,334 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2020-08-22 18:17:46,335 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15711881] [2020-08-22 18:17:46,335 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-08-22 18:17:46,335 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:17:46,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-08-22 18:17:46,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2020-08-22 18:17:46,336 INFO L87 Difference]: Start difference. First operand 7355 states and 8200 transitions. Second operand 22 states. [2020-08-22 18:17:46,847 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:17:47,196 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:17:47,449 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 18:17:47,698 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:17:47,946 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 18:17:48,191 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:17:49,076 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:17:51,406 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:17:51,721 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:17:52,035 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:17:52,368 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:17:52,625 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:17:52,907 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:17:53,238 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:17:53,535 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:17:53,805 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:17:54,152 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:17:54,413 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:17:54,690 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:17:55,190 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-08-22 18:17:55,777 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-08-22 18:17:56,252 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-08-22 18:18:00,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:18:00,689 INFO L93 Difference]: Finished difference Result 14608 states and 16657 transitions. [2020-08-22 18:18:00,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-08-22 18:18:00,690 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 517 [2020-08-22 18:18:00,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:18:00,722 INFO L225 Difference]: With dead ends: 14608 [2020-08-22 18:18:00,723 INFO L226 Difference]: Without dead ends: 7933 [2020-08-22 18:18:00,744 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 122 SyntacticMatches, 3 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1197 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=880, Invalid=3676, Unknown=0, NotChecked=0, Total=4556 [2020-08-22 18:18:00,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7933 states. [2020-08-22 18:18:04,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7933 to 7005. [2020-08-22 18:18:04,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7005 states. [2020-08-22 18:18:04,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7005 states to 7005 states and 7765 transitions. [2020-08-22 18:18:04,461 INFO L78 Accepts]: Start accepts. Automaton has 7005 states and 7765 transitions. Word has length 517 [2020-08-22 18:18:04,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:18:04,462 INFO L479 AbstractCegarLoop]: Abstraction has 7005 states and 7765 transitions. [2020-08-22 18:18:04,462 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-08-22 18:18:04,462 INFO L276 IsEmpty]: Start isEmpty. Operand 7005 states and 7765 transitions. [2020-08-22 18:18:04,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523 [2020-08-22 18:18:04,478 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:18:04,479 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:18:04,479 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-08-22 18:18:04,479 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:18:04,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:18:04,480 INFO L82 PathProgramCache]: Analyzing trace with hash -1523297975, now seen corresponding path program 1 times [2020-08-22 18:18:04,480 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:18:04,480 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1989881353] [2020-08-22 18:18:04,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:18:04,492 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:18:04,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:04,815 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:18:04,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:18:04,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:04,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:18:04,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:04,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:18:04,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:04,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:18:04,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:04,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:18:04,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:04,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:18:04,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:04,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 18:18:04,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:04,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:18:04,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:04,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:18:04,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:04,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:18:04,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:04,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 18:18:04,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:04,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:18:04,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:04,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:18:04,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:04,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:18:04,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:04,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:18:04,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:04,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:18:04,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:04,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:18:04,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:04,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:18:04,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:04,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-22 18:18:04,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:04,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:18:04,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:04,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-08-22 18:18:04,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:04,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-08-22 18:18:04,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:05,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:18:05,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:05,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:18:05,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:05,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:18:05,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:05,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:18:05,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:05,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:18:05,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:05,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:18:05,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:05,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:18:05,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:05,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:18:05,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:05,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 18:18:05,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:05,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:18:05,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:05,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 18:18:05,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:05,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2020-08-22 18:18:05,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:05,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:18:05,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:05,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:18:05,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:05,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:18:05,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:05,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:18:05,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:05,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:18:05,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:05,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:18:05,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:05,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:18:05,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:05,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:18:05,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:05,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:18:05,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:05,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2020-08-22 18:18:05,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:05,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2020-08-22 18:18:05,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:05,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:18:05,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:05,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2020-08-22 18:18:05,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:05,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:18:05,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:05,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:18:05,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:05,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:18:05,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:05,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:18:05,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:05,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:18:05,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:05,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:18:05,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:05,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:18:05,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:05,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2020-08-22 18:18:05,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:05,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2020-08-22 18:18:05,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:05,595 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-22 18:18:05,596 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1989881353] [2020-08-22 18:18:05,596 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:18:05,596 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2020-08-22 18:18:05,596 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223381529] [2020-08-22 18:18:05,597 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-08-22 18:18:05,597 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:18:05,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-08-22 18:18:05,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2020-08-22 18:18:05,598 INFO L87 Difference]: Start difference. First operand 7005 states and 7765 transitions. Second operand 22 states. [2020-08-22 18:18:06,096 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:18:06,452 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:18:06,706 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 18:18:06,960 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:18:07,210 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 18:18:07,445 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:18:08,342 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:18:10,684 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:18:10,991 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:18:11,307 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:18:11,643 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:18:11,902 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:18:12,179 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:18:12,426 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:18:12,725 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:18:12,997 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:18:13,348 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:18:13,620 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:18:14,012 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:18:16,114 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-08-22 18:18:16,661 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-08-22 18:18:17,164 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-08-22 18:18:20,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:18:20,004 INFO L93 Difference]: Finished difference Result 13778 states and 15638 transitions. [2020-08-22 18:18:20,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-08-22 18:18:20,004 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 522 [2020-08-22 18:18:20,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:18:20,035 INFO L225 Difference]: With dead ends: 13778 [2020-08-22 18:18:20,035 INFO L226 Difference]: Without dead ends: 7453 [2020-08-22 18:18:20,053 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 125 SyntacticMatches, 1 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1221 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=895, Invalid=3797, Unknown=0, NotChecked=0, Total=4692 [2020-08-22 18:18:20,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7453 states. [2020-08-22 18:18:22,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7453 to 6513. [2020-08-22 18:18:22,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6513 states. [2020-08-22 18:18:22,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6513 states to 6513 states and 7213 transitions. [2020-08-22 18:18:22,257 INFO L78 Accepts]: Start accepts. Automaton has 6513 states and 7213 transitions. Word has length 522 [2020-08-22 18:18:22,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:18:22,258 INFO L479 AbstractCegarLoop]: Abstraction has 6513 states and 7213 transitions. [2020-08-22 18:18:22,258 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-08-22 18:18:22,258 INFO L276 IsEmpty]: Start isEmpty. Operand 6513 states and 7213 transitions. [2020-08-22 18:18:22,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523 [2020-08-22 18:18:22,276 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:18:22,276 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:18:22,276 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-08-22 18:18:22,277 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:18:22,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:18:22,277 INFO L82 PathProgramCache]: Analyzing trace with hash -645043193, now seen corresponding path program 2 times [2020-08-22 18:18:22,277 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:18:22,278 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [821747522] [2020-08-22 18:18:22,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:18:22,298 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:18:22,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:22,596 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:18:22,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:18:22,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:22,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:18:22,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:22,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:18:22,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:22,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:18:22,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:22,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:18:22,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:22,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:18:22,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:22,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 18:18:22,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:22,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:18:22,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:22,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:18:22,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:22,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:18:22,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:22,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 18:18:22,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:22,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:18:22,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:22,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:18:22,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:22,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:18:22,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:22,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:18:22,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:22,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:18:22,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:22,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:18:22,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:22,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:18:22,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:22,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-22 18:18:22,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:22,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:18:22,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:22,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-08-22 18:18:22,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:22,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:18:22,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:22,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:18:22,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:22,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:18:22,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:22,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:18:22,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:22,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:18:22,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:22,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:18:22,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:22,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:18:22,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:22,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:18:22,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:22,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 18:18:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:22,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:18:22,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:22,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 18:18:22,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:22,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2020-08-22 18:18:22,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:22,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2020-08-22 18:18:22,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:22,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:18:22,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:22,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:18:22,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:22,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:18:22,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:22,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:18:22,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:22,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:18:22,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:22,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:18:22,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:22,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:18:22,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:22,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:18:22,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:23,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:18:23,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:23,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2020-08-22 18:18:23,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:23,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2020-08-22 18:18:23,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:23,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:18:23,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:23,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2020-08-22 18:18:23,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:23,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:18:23,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:23,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:18:23,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:23,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:18:23,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:23,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:18:23,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:23,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:18:23,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:23,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:18:23,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:23,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:18:23,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:23,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2020-08-22 18:18:23,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:23,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2020-08-22 18:18:23,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:23,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 18:18:23,184 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [821747522] [2020-08-22 18:18:23,184 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:18:23,184 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-08-22 18:18:23,184 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970234271] [2020-08-22 18:18:23,185 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-22 18:18:23,185 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:18:23,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-22 18:18:23,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-08-22 18:18:23,185 INFO L87 Difference]: Start difference. First operand 6513 states and 7213 transitions. Second operand 18 states. [2020-08-22 18:18:23,715 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:18:25,429 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:18:25,860 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:18:26,651 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-08-22 18:18:27,065 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:18:27,782 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-08-22 18:18:28,184 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:18:28,883 WARN L193 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-08-22 18:18:29,341 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:18:29,795 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:18:30,186 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:18:30,608 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:18:32,873 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:18:33,155 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:18:38,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:18:38,818 INFO L93 Difference]: Finished difference Result 13728 states and 15831 transitions. [2020-08-22 18:18:38,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-08-22 18:18:38,819 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 522 [2020-08-22 18:18:38,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:18:38,857 INFO L225 Difference]: With dead ends: 13728 [2020-08-22 18:18:38,858 INFO L226 Difference]: Without dead ends: 9831 [2020-08-22 18:18:38,873 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 135 SyntacticMatches, 8 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1029 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=719, Invalid=3063, Unknown=0, NotChecked=0, Total=3782 [2020-08-22 18:18:38,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9831 states. [2020-08-22 18:18:41,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9831 to 7762. [2020-08-22 18:18:41,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7762 states. [2020-08-22 18:18:41,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7762 states to 7762 states and 8572 transitions. [2020-08-22 18:18:41,540 INFO L78 Accepts]: Start accepts. Automaton has 7762 states and 8572 transitions. Word has length 522 [2020-08-22 18:18:41,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:18:41,541 INFO L479 AbstractCegarLoop]: Abstraction has 7762 states and 8572 transitions. [2020-08-22 18:18:41,541 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-22 18:18:41,541 INFO L276 IsEmpty]: Start isEmpty. Operand 7762 states and 8572 transitions. [2020-08-22 18:18:41,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 538 [2020-08-22 18:18:41,554 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:18:41,554 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:18:41,554 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-08-22 18:18:41,554 INFO L427 AbstractCegarLoop]: === Iteration 16 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:18:41,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:18:41,555 INFO L82 PathProgramCache]: Analyzing trace with hash 1830661454, now seen corresponding path program 1 times [2020-08-22 18:18:41,555 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:18:41,555 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [910677913] [2020-08-22 18:18:41,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:18:41,569 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:18:41,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:41,910 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:18:41,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:18:41,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:41,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:18:41,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:41,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:18:41,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:41,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:18:41,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:41,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:18:41,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:41,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:18:41,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:41,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 18:18:41,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:41,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:18:41,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:41,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:18:41,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:41,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:18:41,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:41,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 18:18:41,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:41,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:18:41,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:41,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:18:41,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:41,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:18:41,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:41,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:18:41,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:41,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:18:41,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:41,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:18:41,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:41,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:18:41,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:42,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-22 18:18:42,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:42,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:18:42,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:42,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-08-22 18:18:42,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:42,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:18:42,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:42,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:18:42,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:42,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:18:42,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:42,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:18:42,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:42,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:18:42,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:42,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:18:42,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:42,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:18:42,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:42,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:18:42,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:42,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 18:18:42,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:42,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:18:42,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:42,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 18:18:42,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:42,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2020-08-22 18:18:42,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:42,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2020-08-22 18:18:42,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:42,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:18:42,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:42,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:18:42,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:42,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:18:42,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:42,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:18:42,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:42,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:18:42,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:42,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:18:42,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:42,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:18:42,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:42,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:18:42,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:42,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:18:42,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:42,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 18:18:42,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:42,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2020-08-22 18:18:42,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:42,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2020-08-22 18:18:42,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:42,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2020-08-22 18:18:42,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:42,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:18:42,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:42,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2020-08-22 18:18:42,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:42,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:18:42,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:42,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:18:42,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:42,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:18:42,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:42,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:18:42,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:42,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:18:42,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:42,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:18:42,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:42,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:18:42,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:42,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2020-08-22 18:18:42,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:42,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2020-08-22 18:18:42,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:18:42,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 18:18:42,650 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [910677913] [2020-08-22 18:18:42,651 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:18:42,651 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-08-22 18:18:42,651 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742837704] [2020-08-22 18:18:42,652 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-22 18:18:42,652 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:18:42,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-22 18:18:42,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2020-08-22 18:18:42,653 INFO L87 Difference]: Start difference. First operand 7762 states and 8572 transitions. Second operand 18 states. [2020-08-22 18:18:43,428 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:18:44,965 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:18:45,235 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:18:45,507 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:18:45,972 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-08-22 18:18:46,240 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:18:46,746 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 193 [2020-08-22 18:18:47,018 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:18:47,495 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-08-22 18:18:47,826 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 18:18:48,169 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-08-22 18:18:48,440 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 18:18:48,703 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:18:49,676 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:18:49,960 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:18:50,510 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-08-22 18:18:51,112 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 197 [2020-08-22 18:18:52,234 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-08-22 18:18:52,938 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:18:53,230 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:18:55,832 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:18:56,676 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:18:56,943 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:18:57,421 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-08-22 18:18:57,935 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-08-22 18:18:58,394 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-08-22 18:19:04,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:19:04,450 INFO L93 Difference]: Finished difference Result 17887 states and 20777 transitions. [2020-08-22 18:19:04,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2020-08-22 18:19:04,450 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 537 [2020-08-22 18:19:04,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:19:04,489 INFO L225 Difference]: With dead ends: 17887 [2020-08-22 18:19:04,490 INFO L226 Difference]: Without dead ends: 13270 [2020-08-22 18:19:04,508 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 158 SyntacticMatches, 7 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3035 ImplicationChecksByTransitivity, 10.6s TimeCoverageRelationStatistics Valid=1590, Invalid=7530, Unknown=0, NotChecked=0, Total=9120 [2020-08-22 18:19:04,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13270 states. [2020-08-22 18:19:07,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13270 to 9454. [2020-08-22 18:19:07,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9454 states. [2020-08-22 18:19:07,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9454 states to 9454 states and 10410 transitions. [2020-08-22 18:19:07,722 INFO L78 Accepts]: Start accepts. Automaton has 9454 states and 10410 transitions. Word has length 537 [2020-08-22 18:19:07,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:19:07,722 INFO L479 AbstractCegarLoop]: Abstraction has 9454 states and 10410 transitions. [2020-08-22 18:19:07,722 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-22 18:19:07,723 INFO L276 IsEmpty]: Start isEmpty. Operand 9454 states and 10410 transitions. [2020-08-22 18:19:07,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 607 [2020-08-22 18:19:07,740 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:19:07,740 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:19:07,740 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-08-22 18:19:07,741 INFO L427 AbstractCegarLoop]: === Iteration 17 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:19:07,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:19:07,741 INFO L82 PathProgramCache]: Analyzing trace with hash 1902655728, now seen corresponding path program 1 times [2020-08-22 18:19:07,741 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:19:07,741 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1495147968] [2020-08-22 18:19:07,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:19:07,755 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:19:07,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,071 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:19:08,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:19:08,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:19:08,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:19:08,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:19:08,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:19:08,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:19:08,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 18:19:08,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:19:08,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:19:08,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:19:08,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 18:19:08,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:19:08,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:19:08,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:19:08,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:19:08,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:19:08,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:19:08,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:19:08,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-22 18:19:08,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:19:08,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-08-22 18:19:08,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:19:08,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:19:08,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:19:08,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:19:08,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:19:08,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:19:08,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:19:08,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:19:08,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 18:19:08,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:19:08,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 18:19:08,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2020-08-22 18:19:08,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:19:08,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:19:08,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:19:08,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:19:08,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:19:08,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:19:08,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:19:08,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:19:08,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 18:19:08,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:19:08,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 18:19:08,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2020-08-22 18:19:08,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2020-08-22 18:19:08,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:19:08,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2020-08-22 18:19:08,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:19:08,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:19:08,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 18:19:08,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:19:08,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 18:19:08,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2020-08-22 18:19:08,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2020-08-22 18:19:08,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:19:08,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2020-08-22 18:19:08,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:19:08,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:19:08,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:19:08,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:19:08,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:19:08,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:19:08,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:19:08,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2020-08-22 18:19:08,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2020-08-22 18:19:08,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:08,392 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-22 18:19:08,393 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1495147968] [2020-08-22 18:19:08,393 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:19:08,393 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-22 18:19:08,393 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698057061] [2020-08-22 18:19:08,394 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 18:19:08,394 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:19:08,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 18:19:08,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-08-22 18:19:08,394 INFO L87 Difference]: Start difference. First operand 9454 states and 10410 transitions. Second operand 9 states. [2020-08-22 18:19:09,392 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:19:12,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:19:12,816 INFO L93 Difference]: Finished difference Result 11222 states and 12455 transitions. [2020-08-22 18:19:12,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-08-22 18:19:12,816 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 606 [2020-08-22 18:19:12,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:19:12,831 INFO L225 Difference]: With dead ends: 11222 [2020-08-22 18:19:12,831 INFO L226 Difference]: Without dead ends: 4079 [2020-08-22 18:19:12,846 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2020-08-22 18:19:12,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4079 states. [2020-08-22 18:19:15,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4079 to 3878. [2020-08-22 18:19:15,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3878 states. [2020-08-22 18:19:15,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3878 states to 3878 states and 4166 transitions. [2020-08-22 18:19:15,022 INFO L78 Accepts]: Start accepts. Automaton has 3878 states and 4166 transitions. Word has length 606 [2020-08-22 18:19:15,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:19:15,022 INFO L479 AbstractCegarLoop]: Abstraction has 3878 states and 4166 transitions. [2020-08-22 18:19:15,023 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 18:19:15,023 INFO L276 IsEmpty]: Start isEmpty. Operand 3878 states and 4166 transitions. [2020-08-22 18:19:15,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 621 [2020-08-22 18:19:15,032 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:19:15,032 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:19:15,032 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-08-22 18:19:15,032 INFO L427 AbstractCegarLoop]: === Iteration 18 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:19:15,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:19:15,033 INFO L82 PathProgramCache]: Analyzing trace with hash -1005352654, now seen corresponding path program 3 times [2020-08-22 18:19:15,033 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:19:15,033 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [577455892] [2020-08-22 18:19:15,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:19:15,046 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:19:15,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,336 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:19:15,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:19:15,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:19:15,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:19:15,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:19:15,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:19:15,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:19:15,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 18:19:15,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:19:15,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:19:15,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:19:15,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 18:19:15,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:19:15,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:19:15,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:19:15,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:19:15,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:19:15,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:19:15,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:19:15,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-22 18:19:15,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:19:15,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-08-22 18:19:15,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:19:15,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:19:15,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:19:15,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:19:15,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:19:15,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:19:15,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:19:15,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:19:15,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 18:19:15,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:19:15,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 18:19:15,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2020-08-22 18:19:15,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2020-08-22 18:19:15,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:19:15,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:19:15,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:19:15,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:19:15,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:19:15,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:19:15,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:19:15,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:19:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 18:19:15,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:19:15,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 18:19:15,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2020-08-22 18:19:15,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2020-08-22 18:19:15,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:19:15,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:19:15,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:19:15,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:19:15,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:19:15,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:19:15,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:19:15,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:19:15,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:19:15,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2020-08-22 18:19:15,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2020-08-22 18:19:15,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:19:15,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 534 [2020-08-22 18:19:15,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:19:15,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:19:15,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:19:15,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:19:15,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:19:15,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:19:15,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:19:15,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2020-08-22 18:19:15,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2020-08-22 18:19:15,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:15,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 18:19:15,884 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [577455892] [2020-08-22 18:19:15,884 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:19:15,884 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-08-22 18:19:15,884 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941359466] [2020-08-22 18:19:15,885 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-08-22 18:19:15,885 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:19:15,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-08-22 18:19:15,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2020-08-22 18:19:15,886 INFO L87 Difference]: Start difference. First operand 3878 states and 4166 transitions. Second operand 17 states. [2020-08-22 18:19:16,385 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:19:17,185 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:19:17,953 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:19:18,693 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:19:18,940 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:19:19,430 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-08-22 18:19:19,680 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:19:20,140 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-08-22 18:19:20,379 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:19:20,850 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-08-22 18:19:24,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:19:24,157 INFO L93 Difference]: Finished difference Result 6809 states and 7469 transitions. [2020-08-22 18:19:24,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-08-22 18:19:24,157 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 620 [2020-08-22 18:19:24,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:19:24,172 INFO L225 Difference]: With dead ends: 6809 [2020-08-22 18:19:24,172 INFO L226 Difference]: Without dead ends: 4321 [2020-08-22 18:19:24,180 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 150 SyntacticMatches, 4 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 740 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=590, Invalid=2166, Unknown=0, NotChecked=0, Total=2756 [2020-08-22 18:19:24,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4321 states. [2020-08-22 18:19:25,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4321 to 3705. [2020-08-22 18:19:25,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3705 states. [2020-08-22 18:19:25,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3705 states to 3705 states and 3951 transitions. [2020-08-22 18:19:25,748 INFO L78 Accepts]: Start accepts. Automaton has 3705 states and 3951 transitions. Word has length 620 [2020-08-22 18:19:25,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:19:25,749 INFO L479 AbstractCegarLoop]: Abstraction has 3705 states and 3951 transitions. [2020-08-22 18:19:25,749 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-08-22 18:19:25,749 INFO L276 IsEmpty]: Start isEmpty. Operand 3705 states and 3951 transitions. [2020-08-22 18:19:25,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 636 [2020-08-22 18:19:25,757 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:19:25,758 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:19:25,758 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-08-22 18:19:25,758 INFO L427 AbstractCegarLoop]: === Iteration 19 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:19:25,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:19:25,759 INFO L82 PathProgramCache]: Analyzing trace with hash -814074685, now seen corresponding path program 2 times [2020-08-22 18:19:25,759 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:19:25,759 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [42802731] [2020-08-22 18:19:25,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:19:25,771 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:19:25,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,084 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:19:26,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:19:26,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:19:26,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:19:26,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:19:26,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:19:26,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:19:26,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 18:19:26,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:19:26,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:19:26,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:19:26,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 18:19:26,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:19:26,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:19:26,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:19:26,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:19:26,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:19:26,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:19:26,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:19:26,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-22 18:19:26,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:19:26,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-08-22 18:19:26,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:19:26,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:19:26,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:19:26,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:19:26,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:19:26,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:19:26,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:19:26,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:19:26,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 18:19:26,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:19:26,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 18:19:26,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2020-08-22 18:19:26,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2020-08-22 18:19:26,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:19:26,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:19:26,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:19:26,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:19:26,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:19:26,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:19:26,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:19:26,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:19:26,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 18:19:26,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:19:26,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 18:19:26,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2020-08-22 18:19:26,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2020-08-22 18:19:26,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:19:26,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:19:26,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:19:26,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:19:26,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:19:26,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:19:26,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:19:26,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:19:26,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:19:26,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 18:19:26,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2020-08-22 18:19:26,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2020-08-22 18:19:26,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2020-08-22 18:19:26,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:19:26,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2020-08-22 18:19:26,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:19:26,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:19:26,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:19:26,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:19:26,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:19:26,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:19:26,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:19:26,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2020-08-22 18:19:26,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 622 [2020-08-22 18:19:26,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:26,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 18:19:26,665 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [42802731] [2020-08-22 18:19:26,665 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:19:26,665 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-08-22 18:19:26,665 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174988673] [2020-08-22 18:19:26,666 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-22 18:19:26,666 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:19:26,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-22 18:19:26,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2020-08-22 18:19:26,666 INFO L87 Difference]: Start difference. First operand 3705 states and 3951 transitions. Second operand 14 states. [2020-08-22 18:19:27,151 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:19:27,801 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:19:28,460 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:19:30,755 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:19:33,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:19:33,526 INFO L93 Difference]: Finished difference Result 7276 states and 7952 transitions. [2020-08-22 18:19:33,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-08-22 18:19:33,526 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 635 [2020-08-22 18:19:33,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:19:33,539 INFO L225 Difference]: With dead ends: 7276 [2020-08-22 18:19:33,540 INFO L226 Difference]: Without dead ends: 4961 [2020-08-22 18:19:33,547 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 165 SyntacticMatches, 5 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1013 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=648, Invalid=2658, Unknown=0, NotChecked=0, Total=3306 [2020-08-22 18:19:33,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4961 states. [2020-08-22 18:19:34,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4961 to 4176. [2020-08-22 18:19:34,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4176 states. [2020-08-22 18:19:34,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4176 states to 4176 states and 4451 transitions. [2020-08-22 18:19:34,994 INFO L78 Accepts]: Start accepts. Automaton has 4176 states and 4451 transitions. Word has length 635 [2020-08-22 18:19:34,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:19:34,995 INFO L479 AbstractCegarLoop]: Abstraction has 4176 states and 4451 transitions. [2020-08-22 18:19:34,995 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-22 18:19:34,995 INFO L276 IsEmpty]: Start isEmpty. Operand 4176 states and 4451 transitions. [2020-08-22 18:19:35,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 636 [2020-08-22 18:19:35,001 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:19:35,001 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:19:35,002 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-08-22 18:19:35,002 INFO L427 AbstractCegarLoop]: === Iteration 20 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:19:35,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:19:35,002 INFO L82 PathProgramCache]: Analyzing trace with hash -826600787, now seen corresponding path program 1 times [2020-08-22 18:19:35,002 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:19:35,002 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1114381790] [2020-08-22 18:19:35,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:19:35,016 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:19:35,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:35,520 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:19:35,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:19:35,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:35,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:19:35,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:35,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:19:35,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:35,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:19:35,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:35,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:19:35,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:35,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:19:35,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:35,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 18:19:35,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:35,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:19:35,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:35,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:19:35,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:35,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:19:35,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:35,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 18:19:35,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:35,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:19:35,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:35,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:19:35,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:35,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:19:35,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:35,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:19:35,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:35,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:19:35,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:35,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:19:35,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:35,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:19:35,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:35,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-22 18:19:35,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:35,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:19:35,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:35,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-08-22 18:19:35,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:35,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:19:35,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:35,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:19:35,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:35,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:19:35,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:35,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:19:35,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:35,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:19:35,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:35,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:19:35,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:35,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:19:35,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:35,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:19:35,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:35,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 18:19:35,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:35,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:19:35,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:35,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 18:19:35,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:35,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2020-08-22 18:19:35,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:35,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2020-08-22 18:19:35,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:35,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:19:35,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:35,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:19:35,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:35,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:19:35,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:35,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:19:35,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:35,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:19:35,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:35,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:19:35,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:35,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:19:35,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:35,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:19:35,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:35,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:19:35,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:35,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 18:19:35,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:35,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2020-08-22 18:19:35,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:36,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2020-08-22 18:19:36,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:36,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2020-08-22 18:19:36,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:36,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:19:36,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:36,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:19:36,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:36,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 18:19:36,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:36,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:19:36,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:36,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:19:36,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:36,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:19:36,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:36,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:19:36,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:36,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-22 18:19:36,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:36,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:19:36,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:36,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 18:19:36,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:36,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2020-08-22 18:19:36,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:36,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2020-08-22 18:19:36,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:36,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:19:36,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:36,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2020-08-22 18:19:36,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:36,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:19:36,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:36,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:19:36,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:36,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:19:36,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:36,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:19:36,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:36,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:19:36,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:36,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:19:36,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:36,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:19:36,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:36,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2020-08-22 18:19:36,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:36,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 622 [2020-08-22 18:19:36,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:19:36,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 18:19:36,679 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1114381790] [2020-08-22 18:19:36,679 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:19:36,679 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2020-08-22 18:19:36,679 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183398181] [2020-08-22 18:19:36,685 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-08-22 18:19:36,686 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:19:36,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-08-22 18:19:36,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2020-08-22 18:19:36,686 INFO L87 Difference]: Start difference. First operand 4176 states and 4451 transitions. Second operand 25 states. [2020-08-22 18:19:37,488 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-08-22 18:19:38,702 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-08-22 18:19:40,517 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-08-22 18:19:41,033 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 195 [2020-08-22 18:19:41,575 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 191 [2020-08-22 18:19:42,057 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-08-22 18:19:42,565 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 193 [2020-08-22 18:19:43,054 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 195 [2020-08-22 18:19:43,551 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 191 [2020-08-22 18:19:44,036 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-08-22 18:19:44,544 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-08-22 18:19:45,000 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-08-22 18:19:47,258 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-08-22 18:19:48,152 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-08-22 18:19:48,688 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 195 [2020-08-22 18:19:49,212 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 191 [2020-08-22 18:19:49,748 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 193 [2020-08-22 18:19:50,248 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 191 [2020-08-22 18:19:52,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:19:52,840 INFO L93 Difference]: Finished difference Result 6967 states and 7500 transitions. [2020-08-22 18:19:52,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2020-08-22 18:19:52,841 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 635 [2020-08-22 18:19:52,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:19:52,843 INFO L225 Difference]: With dead ends: 6967 [2020-08-22 18:19:52,843 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 18:19:52,854 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 155 SyntacticMatches, 11 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1495 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=869, Invalid=4533, Unknown=0, NotChecked=0, Total=5402 [2020-08-22 18:19:52,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 18:19:52,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 18:19:52,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 18:19:52,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 18:19:52,856 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 635 [2020-08-22 18:19:52,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:19:52,856 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 18:19:52,856 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-08-22 18:19:52,856 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 18:19:52,856 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 18:19:52,857 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-08-22 18:19:52,859 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 18:19:53,374 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 242 [2020-08-22 18:19:53,666 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 199 [2020-08-22 18:19:54,044 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 199 [2020-08-22 18:19:54,167 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 229 [2020-08-22 18:19:54,397 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 230 [2020-08-22 18:19:54,999 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 242 [2020-08-22 18:19:57,937 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 212 [2020-08-22 18:19:58,087 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 214 [2020-08-22 18:19:59,901 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 713 DAG size of output: 454 [2020-08-22 18:20:01,059 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 255 [2020-08-22 18:20:02,963 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 235 [2020-08-22 18:20:03,127 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 242 [2020-08-22 18:20:04,034 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 247 [2020-08-22 18:20:05,439 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 248 [2020-08-22 18:20:05,625 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 245 [2020-08-22 18:20:06,530 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 223 [2020-08-22 18:20:06,785 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-08-22 18:20:06,986 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 265 [2020-08-22 18:20:08,149 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 251 [2020-08-22 18:20:09,933 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 248 [2020-08-22 18:20:10,136 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 243 [2020-08-22 18:20:11,182 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 232 [2020-08-22 18:20:11,303 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 234 [2020-08-22 18:20:14,415 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 713 DAG size of output: 454 [2020-08-22 18:20:17,133 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 713 DAG size of output: 454 [2020-08-22 18:20:20,620 WARN L193 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 908 DAG size of output: 585 [2020-08-22 18:20:22,706 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 250 [2020-08-22 18:20:22,893 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 259 [2020-08-22 18:20:24,170 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 249 [2020-08-22 18:20:25,468 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 250 [2020-08-22 18:20:25,655 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 259 [2020-08-22 18:20:28,577 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 237 [2020-08-22 18:20:29,007 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 238 [2020-08-22 18:20:30,466 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 247 [2020-08-22 18:20:30,758 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 244 [2020-08-22 18:20:31,062 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 247 [2020-08-22 18:20:32,208 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 257 [2020-08-22 18:20:32,352 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 262 [2020-08-22 18:20:32,974 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 258 [2020-08-22 18:20:33,123 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 264 [2020-08-22 18:20:33,691 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 257 [2020-08-22 18:20:33,834 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 262 [2020-08-22 18:20:36,058 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 212 [2020-08-22 18:20:36,288 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 214 [2020-08-22 18:20:41,056 WARN L193 SmtUtils]: Spent 4.08 s on a formula simplification. DAG size of input: 1073 DAG size of output: 695 [2020-08-22 18:20:42,987 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 237 [2020-08-22 18:20:43,409 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 238 [2020-08-22 18:20:44,839 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 247 [2020-08-22 18:20:45,128 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 244 [2020-08-22 18:20:45,436 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 247 [2020-08-22 18:20:48,800 WARN L193 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 908 DAG size of output: 585 [2020-08-22 18:20:52,785 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 253 [2020-08-22 18:20:52,993 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 258 [2020-08-22 18:20:54,031 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 245 [2020-08-22 18:20:55,628 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 245 [2020-08-22 18:20:55,876 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 247 [2020-08-22 18:21:05,191 WARN L193 SmtUtils]: Spent 3.04 s on a formula simplification. DAG size of input: 908 DAG size of output: 585 [2020-08-22 18:21:05,554 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 235 [2020-08-22 18:21:05,784 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 242 [2020-08-22 18:21:06,333 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 247 [2020-08-22 18:21:06,608 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 235 [2020-08-22 18:21:06,753 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 242 [2020-08-22 18:21:07,018 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 235 [2020-08-22 18:21:07,184 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 242 [2020-08-22 18:21:07,498 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 235 [2020-08-22 18:21:08,529 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 248 [2020-08-22 18:21:08,695 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 245 [2020-08-22 18:21:11,665 WARN L193 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 817 DAG size of output: 550 [2020-08-22 18:21:11,974 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 235 [2020-08-22 18:21:12,109 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 235 [2020-08-22 18:21:12,428 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 235 [2020-08-22 18:21:13,550 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 235 [2020-08-22 18:21:17,003 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 232 [2020-08-22 18:21:17,117 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 234 [2020-08-22 18:21:22,246 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 235 [2020-08-22 18:21:22,409 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 242 [2020-08-22 18:21:23,273 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 247 [2020-08-22 18:21:24,683 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 248 [2020-08-22 18:21:24,867 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 245 [2020-08-22 18:21:26,025 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 212 [2020-08-22 18:21:26,510 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 214 [2020-08-22 18:21:26,631 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 203 [2020-08-22 18:21:26,785 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 203 [2020-08-22 18:21:27,242 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 204 [2020-08-22 18:21:33,122 WARN L193 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 817 DAG size of output: 550 [2020-08-22 18:21:34,407 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 713 DAG size of output: 454 [2020-08-22 18:21:41,989 WARN L193 SmtUtils]: Spent 3.60 s on a formula simplification. DAG size of input: 687 DAG size of output: 486 [2020-08-22 18:21:47,540 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 243 [2020-08-22 18:21:47,930 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 243 [2020-08-22 18:21:48,239 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 245 [2020-08-22 18:21:48,492 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 248 [2020-08-22 18:21:49,269 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 232 [2020-08-22 18:21:49,394 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 234 [2020-08-22 18:21:51,233 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 244 [2020-08-22 18:21:51,452 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 242 [2020-08-22 18:21:55,266 WARN L193 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 847 DAG size of output: 559 [2020-08-22 18:22:06,172 WARN L193 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 908 DAG size of output: 585 [2020-08-22 18:22:09,791 WARN L193 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 908 DAG size of output: 585 [2020-08-22 18:22:12,765 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 255 [2020-08-22 18:22:13,481 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 257 [2020-08-22 18:22:13,626 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 262 [2020-08-22 18:22:16,894 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 235 [2020-08-22 18:22:17,055 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 235 [2020-08-22 18:22:17,282 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 242 [2020-08-22 18:22:17,551 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 235 [2020-08-22 18:22:19,100 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 235 [2020-08-22 18:22:19,264 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 242 [2020-08-22 18:22:21,177 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 713 DAG size of output: 454 [2020-08-22 18:22:24,161 WARN L193 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 908 DAG size of output: 585 [2020-08-22 18:22:26,762 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 753 DAG size of output: 539 [2020-08-22 18:22:29,810 WARN L193 SmtUtils]: Spent 3.04 s on a formula simplification. DAG size of input: 908 DAG size of output: 585 [2020-08-22 18:22:31,138 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 713 DAG size of output: 454 [2020-08-22 18:22:33,696 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 235 [2020-08-22 18:22:34,016 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 242 [2020-08-22 18:22:34,995 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 248 [2020-08-22 18:22:35,226 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 247 [2020-08-22 18:22:40,265 WARN L193 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 908 DAG size of output: 585 [2020-08-22 18:22:40,563 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 219 [2020-08-22 18:22:40,771 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 219 [2020-08-22 18:22:41,063 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 223 [2020-08-22 18:22:41,351 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 219 [2020-08-22 18:22:41,727 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 223 [2020-08-22 18:22:41,889 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 223 [2020-08-22 18:22:42,377 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 224 [2020-08-22 18:22:42,543 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 247 [2020-08-22 18:22:42,829 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 220 [2020-08-22 18:22:43,192 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 220 [2020-08-22 18:22:43,546 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 224 [2020-08-22 18:22:46,551 WARN L193 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 817 DAG size of output: 550 [2020-08-22 18:22:49,145 WARN L193 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 817 DAG size of output: 550 [2020-08-22 18:22:51,240 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 232 [2020-08-22 18:22:51,369 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 234 [2020-08-22 18:22:54,198 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-08-22 18:22:54,400 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 265 [2020-08-22 18:22:55,572 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 251 [2020-08-22 18:22:57,266 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 248 [2020-08-22 18:22:57,473 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 243 [2020-08-22 18:22:59,895 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 359 DAG size of output: 46 [2020-08-22 18:23:00,295 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-08-22 18:23:03,275 WARN L193 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 274 DAG size of output: 40 [2020-08-22 18:23:06,223 WARN L193 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 275 DAG size of output: 52 [2020-08-22 18:23:09,787 WARN L193 SmtUtils]: Spent 3.43 s on a formula simplification. DAG size of input: 416 DAG size of output: 80 [2020-08-22 18:23:12,165 WARN L193 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 385 DAG size of output: 39 [2020-08-22 18:23:14,037 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 318 DAG size of output: 54 [2020-08-22 18:23:15,055 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 238 DAG size of output: 25 [2020-08-22 18:23:17,665 WARN L193 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 275 DAG size of output: 43 [2020-08-22 18:23:18,178 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 1 [2020-08-22 18:23:20,412 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 504 DAG size of output: 1 [2020-08-22 18:23:21,012 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 23 [2020-08-22 18:23:28,267 WARN L193 SmtUtils]: Spent 7.19 s on a formula simplification. DAG size of input: 598 DAG size of output: 64 [2020-08-22 18:23:30,246 WARN L193 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 253 DAG size of output: 36 [2020-08-22 18:23:31,119 WARN L193 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 33 [2020-08-22 18:23:33,386 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 270 DAG size of output: 38 [2020-08-22 18:23:33,546 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 1 [2020-08-22 18:23:35,451 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 318 DAG size of output: 54 [2020-08-22 18:23:39,197 WARN L193 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 282 DAG size of output: 47 [2020-08-22 18:23:41,057 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 318 DAG size of output: 54 [2020-08-22 18:23:41,214 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 1 [2020-08-22 18:23:46,491 WARN L193 SmtUtils]: Spent 5.27 s on a formula simplification. DAG size of input: 441 DAG size of output: 58 [2020-08-22 18:23:46,925 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 1 [2020-08-22 18:23:48,873 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 189 DAG size of output: 37 [2020-08-22 18:23:49,270 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-08-22 18:23:51,239 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 318 DAG size of output: 41 [2020-08-22 18:23:53,169 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 254 DAG size of output: 48 [2020-08-22 18:23:55,971 WARN L193 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 280 DAG size of output: 53 [2020-08-22 18:23:58,088 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 192 DAG size of output: 39 [2020-08-22 18:24:00,366 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 320 DAG size of output: 43 [2020-08-22 18:24:01,819 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 281 DAG size of output: 46 [2020-08-22 18:24:02,243 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 1 [2020-08-22 18:24:05,414 WARN L193 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 352 DAG size of output: 76 [2020-08-22 18:24:05,571 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 1 [2020-08-22 18:24:13,697 WARN L193 SmtUtils]: Spent 8.10 s on a formula simplification. DAG size of input: 493 DAG size of output: 59 [2020-08-22 18:24:15,183 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 249 DAG size of output: 45 [2020-08-22 18:24:17,798 WARN L193 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 276 DAG size of output: 41 [2020-08-22 18:24:20,243 WARN L193 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 278 DAG size of output: 47 [2020-08-22 18:24:22,842 WARN L193 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 276 DAG size of output: 41 [2020-08-22 18:24:26,472 WARN L193 SmtUtils]: Spent 3.61 s on a formula simplification. DAG size of input: 312 DAG size of output: 57 [2020-08-22 18:24:28,554 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 192 DAG size of output: 39 [2020-08-22 18:24:30,042 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 285 DAG size of output: 30 [2020-08-22 18:24:30,428 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-08-22 18:24:32,474 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 340 DAG size of output: 51 [2020-08-22 18:24:39,158 WARN L193 SmtUtils]: Spent 6.67 s on a formula simplification. DAG size of input: 540 DAG size of output: 61 [2020-08-22 18:24:39,528 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 1 [2020-08-22 18:24:47,570 WARN L193 SmtUtils]: Spent 8.02 s on a formula simplification. DAG size of input: 493 DAG size of output: 59 [2020-08-22 18:24:52,657 WARN L193 SmtUtils]: Spent 5.08 s on a formula simplification. DAG size of input: 441 DAG size of output: 58 [2020-08-22 18:24:56,183 WARN L193 SmtUtils]: Spent 3.51 s on a formula simplification. DAG size of input: 304 DAG size of output: 48 [2020-08-22 18:24:56,601 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 21 [2020-08-22 18:25:00,142 WARN L193 SmtUtils]: Spent 3.53 s on a formula simplification. DAG size of input: 304 DAG size of output: 48 [2020-08-22 18:25:02,053 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 343 DAG size of output: 34 [2020-08-22 18:25:03,784 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 248 DAG size of output: 32 [2020-08-22 18:25:04,171 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-08-22 18:25:11,873 WARN L193 SmtUtils]: Spent 7.67 s on a formula simplification. DAG size of input: 603 DAG size of output: 49 [2020-08-22 18:25:12,138 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 1 [2020-08-22 18:25:12,534 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 29 [2020-08-22 18:25:14,930 WARN L193 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 288 DAG size of output: 63 [2020-08-22 18:25:15,087 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 1 [2020-08-22 18:25:16,501 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 243 DAG size of output: 1 [2020-08-22 18:25:18,407 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 343 DAG size of output: 34 [2020-08-22 18:25:19,532 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 237 DAG size of output: 40 [2020-08-22 18:25:20,642 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 237 DAG size of output: 40 [2020-08-22 18:25:21,741 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 239 DAG size of output: 20 [2020-08-22 18:25:22,106 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 1 [2020-08-22 18:25:27,219 WARN L193 SmtUtils]: Spent 5.10 s on a formula simplification. DAG size of input: 441 DAG size of output: 58 [2020-08-22 18:25:27,599 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-08-22 18:25:32,997 WARN L193 SmtUtils]: Spent 5.37 s on a formula simplification. DAG size of input: 517 DAG size of output: 75 [2020-08-22 18:25:37,285 WARN L193 SmtUtils]: Spent 4.28 s on a formula simplification. DAG size of input: 414 DAG size of output: 56 [2020-08-22 18:25:37,830 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 42 [2020-08-22 18:25:40,397 WARN L193 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 370 DAG size of output: 47 [2020-08-22 18:25:43,362 WARN L193 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 274 DAG size of output: 40 [2020-08-22 18:25:43,511 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 1 [2020-08-22 18:25:44,660 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 264 DAG size of output: 38 [2020-08-22 18:25:45,041 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-08-22 18:25:47,258 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 290 DAG size of output: 54 [2020-08-22 18:25:49,146 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 250 DAG size of output: 33 [2020-08-22 18:25:51,319 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 290 DAG size of output: 54 [2020-08-22 18:25:53,585 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 293 DAG size of output: 56 [2020-08-22 18:25:56,268 WARN L193 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 280 DAG size of output: 53 [2020-08-22 18:25:58,360 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 287 DAG size of output: 50 [2020-08-22 18:26:00,252 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 189 DAG size of output: 37 [2020-08-22 18:26:00,824 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 26 [2020-08-22 18:26:02,857 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 504 DAG size of output: 1 [2020-08-22 18:26:06,172 WARN L193 SmtUtils]: Spent 3.29 s on a formula simplification. DAG size of input: 459 DAG size of output: 39 [2020-08-22 18:26:06,530 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 18 [2020-08-22 18:26:06,957 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 1 [2020-08-22 18:26:08,972 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 192 DAG size of output: 39 [2020-08-22 18:26:10,333 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 241 DAG size of output: 35 [2020-08-22 18:26:12,230 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 189 DAG size of output: 37 [2020-08-22 18:26:16,520 WARN L193 SmtUtils]: Spent 4.29 s on a formula simplification. DAG size of input: 414 DAG size of output: 56 [2020-08-22 18:26:18,370 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 318 DAG size of output: 54 [2020-08-22 18:26:18,787 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 1 [2020-08-22 18:26:19,175 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 1 [2020-08-22 18:26:21,183 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 192 DAG size of output: 39 [2020-08-22 18:26:22,474 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 250 DAG size of output: 44 [2020-08-22 18:26:25,321 WARN L193 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 304 DAG size of output: 50 [2020-08-22 18:26:31,233 WARN L193 SmtUtils]: Spent 5.91 s on a formula simplification. DAG size of input: 420 DAG size of output: 44 [2020-08-22 18:26:35,321 WARN L193 SmtUtils]: Spent 4.07 s on a formula simplification. DAG size of input: 319 DAG size of output: 56 [2020-08-22 18:26:37,521 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 270 DAG size of output: 38 [2020-08-22 18:26:39,564 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 292 DAG size of output: 46 [2020-08-22 18:26:41,305 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 247 DAG size of output: 30 [2020-08-22 18:26:42,980 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 246 DAG size of output: 31 [2020-08-22 18:26:43,369 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-08-22 18:26:43,785 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 31 [2020-08-22 18:26:44,188 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 29 [2020-08-22 18:26:48,120 WARN L193 SmtUtils]: Spent 3.92 s on a formula simplification. DAG size of input: 278 DAG size of output: 45 [2020-08-22 18:26:48,521 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 29 [2020-08-22 18:26:50,680 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 298 DAG size of output: 39 [2020-08-22 18:26:52,797 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 266 DAG size of output: 43 [2020-08-22 18:26:57,215 WARN L193 SmtUtils]: Spent 4.40 s on a formula simplification. DAG size of input: 435 DAG size of output: 54 [2020-08-22 18:26:58,061 WARN L193 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 33 [2020-08-22 18:27:00,747 WARN L193 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 364 DAG size of output: 80 [2020-08-22 18:27:03,735 WARN L193 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 383 DAG size of output: 89 [2020-08-22 18:27:04,130 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-08-22 18:27:04,532 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 23 [2020-08-22 18:27:08,653 WARN L193 SmtUtils]: Spent 4.07 s on a formula simplification. DAG size of input: 319 DAG size of output: 56 [2020-08-22 18:27:10,373 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 248 DAG size of output: 32 [2020-08-22 18:27:14,000 WARN L193 SmtUtils]: Spent 3.61 s on a formula simplification. DAG size of input: 282 DAG size of output: 47 [2020-08-22 18:27:14,386 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-08-22 18:27:15,130 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 27 [2020-08-22 18:27:16,835 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 246 DAG size of output: 28 [2020-08-22 18:27:22,007 WARN L193 SmtUtils]: Spent 5.17 s on a formula simplification. DAG size of input: 441 DAG size of output: 58 [2020-08-22 18:27:22,390 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-08-22 18:27:22,978 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 28 [2020-08-22 18:27:24,729 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 248 DAG size of output: 30 [2020-08-22 18:27:30,067 WARN L193 SmtUtils]: Spent 5.33 s on a formula simplification. DAG size of input: 441 DAG size of output: 58 [2020-08-22 18:27:31,892 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 246 DAG size of output: 28 [2020-08-22 18:27:32,498 WARN L193 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 23 [2020-08-22 18:27:34,869 WARN L193 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 250 DAG size of output: 44 [2020-08-22 18:27:36,919 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 257 DAG size of output: 51 [2020-08-22 18:27:37,609 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 25 [2020-08-22 18:27:39,931 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 250 DAG size of output: 44 [2020-08-22 18:27:40,524 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 25 [2020-08-22 18:27:43,155 WARN L193 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 275 DAG size of output: 43 [2020-08-22 18:27:45,730 WARN L193 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 276 DAG size of output: 43 [2020-08-22 18:27:47,752 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 247 DAG size of output: 40 [2020-08-22 18:27:50,012 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 290 DAG size of output: 54 [2020-08-22 18:27:51,483 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 243 DAG size of output: 38 [2020-08-22 18:27:54,018 WARN L193 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 492 DAG size of output: 39 [2020-08-22 18:27:54,435 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-08-22 18:27:54,653 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:27:57,694 WARN L193 SmtUtils]: Spent 3.02 s on a formula simplification. DAG size of input: 357 DAG size of output: 85 [2020-08-22 18:27:58,141 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 1 [2020-08-22 18:28:01,544 WARN L193 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 398 DAG size of output: 49 [2020-08-22 18:28:03,594 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 192 DAG size of output: 41 [2020-08-22 18:28:05,542 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 318 DAG size of output: 54 [2020-08-22 18:28:10,824 WARN L193 SmtUtils]: Spent 5.28 s on a formula simplification. DAG size of input: 441 DAG size of output: 58 [2020-08-22 18:28:12,752 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 189 DAG size of output: 37 [2020-08-22 18:28:17,944 WARN L193 SmtUtils]: Spent 5.19 s on a formula simplification. DAG size of input: 418 DAG size of output: 53 [2020-08-22 18:28:23,200 WARN L193 SmtUtils]: Spent 5.25 s on a formula simplification. DAG size of input: 441 DAG size of output: 58 [2020-08-22 18:28:25,116 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 318 DAG size of output: 54 [2020-08-22 18:28:28,257 WARN L193 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 299 DAG size of output: 47 [2020-08-22 18:28:28,682 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 21 [2020-08-22 18:28:29,683 WARN L193 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 25 [2020-08-22 18:28:31,137 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 281 DAG size of output: 46 [2020-08-22 18:28:36,353 WARN L193 SmtUtils]: Spent 5.19 s on a formula simplification. DAG size of input: 504 DAG size of output: 62 [2020-08-22 18:28:36,991 WARN L193 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 27 [2020-08-22 18:28:40,251 WARN L193 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 352 DAG size of output: 76 [2020-08-22 18:28:41,304 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 238 DAG size of output: 25 [2020-08-22 18:28:43,805 WARN L193 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 492 DAG size of output: 39 [2020-08-22 18:28:44,209 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 29