/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_product40.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 18:14:11,615 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 18:14:11,619 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 18:14:11,656 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 18:14:11,657 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 18:14:11,658 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 18:14:11,659 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 18:14:11,661 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 18:14:11,663 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 18:14:11,664 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 18:14:11,665 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 18:14:11,666 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 18:14:11,666 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 18:14:11,667 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 18:14:11,668 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 18:14:11,669 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 18:14:11,670 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 18:14:11,671 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 18:14:11,672 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 18:14:11,674 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 18:14:11,675 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 18:14:11,676 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 18:14:11,677 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 18:14:11,678 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 18:14:11,680 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 18:14:11,681 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 18:14:11,681 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 18:14:11,682 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 18:14:11,682 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 18:14:11,683 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 18:14:11,683 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 18:14:11,684 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 18:14:11,685 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 18:14:11,686 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 18:14:11,687 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 18:14:11,687 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 18:14:11,688 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 18:14:11,688 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 18:14:11,688 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 18:14:11,689 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 18:14:11,690 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 18:14:11,691 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 18:14:11,701 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 18:14:11,701 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 18:14:11,702 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 18:14:11,703 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 18:14:11,703 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 18:14:11,703 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 18:14:11,703 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 18:14:11,703 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 18:14:11,704 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 18:14:11,704 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 18:14:11,704 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 18:14:11,704 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 18:14:11,704 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 18:14:11,704 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 18:14:11,705 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 18:14:11,705 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-08-22 18:14:11,705 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 18:14:11,705 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 18:14:11,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 18:14:11,706 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 18:14:11,706 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-08-22 18:14:11,706 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 18:14:11,706 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-08-22 18:14:12,032 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 18:14:12,052 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 18:14:12,056 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 18:14:12,058 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 18:14:12,059 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 18:14:12,059 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product40.cil.c [2020-08-22 18:14:12,137 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/440e7fa03/24c70597c45d4a77afc68177067002a3/FLAG053b6a81f [2020-08-22 18:14:12,739 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 18:14:12,740 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product40.cil.c [2020-08-22 18:14:12,771 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/440e7fa03/24c70597c45d4a77afc68177067002a3/FLAG053b6a81f [2020-08-22 18:14:12,993 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/440e7fa03/24c70597c45d4a77afc68177067002a3 [2020-08-22 18:14:13,004 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 18:14:13,005 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 18:14:13,006 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 18:14:13,007 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 18:14:13,010 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 18:14:13,011 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 06:14:12" (1/1) ... [2020-08-22 18:14:13,014 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34e51d6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:14:13, skipping insertion in model container [2020-08-22 18:14:13,014 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 06:14:12" (1/1) ... [2020-08-22 18:14:13,022 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 18:14:13,073 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 18:14:13,479 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 18:14:13,619 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 18:14:13,756 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 18:14:13,795 INFO L208 MainTranslator]: Completed translation [2020-08-22 18:14:13,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:14:13 WrapperNode [2020-08-22 18:14:13,795 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 18:14:13,796 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 18:14:13,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 18:14:13,797 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 18:14:13,810 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:14:13" (1/1) ... [2020-08-22 18:14:13,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:14:13" (1/1) ... [2020-08-22 18:14:13,830 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:14:13" (1/1) ... [2020-08-22 18:14:13,830 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:14:13" (1/1) ... [2020-08-22 18:14:13,862 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:14:13" (1/1) ... [2020-08-22 18:14:13,872 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:14:13" (1/1) ... [2020-08-22 18:14:13,878 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:14:13" (1/1) ... [2020-08-22 18:14:13,886 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 18:14:13,886 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 18:14:13,886 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 18:14:13,887 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 18:14:13,888 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:14:13" (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 18:14:13,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 18:14:13,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 18:14:13,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-22 18:14:13,977 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-22 18:14:13,977 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-22 18:14:13,977 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-08-22 18:14:13,978 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-22 18:14:13,978 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-22 18:14:13,978 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-22 18:14:13,978 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-22 18:14:13,979 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-22 18:14:13,980 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-22 18:14:13,980 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-08-22 18:14:13,980 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-22 18:14:13,980 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-22 18:14:13,980 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-22 18:14:13,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-22 18:14:13,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-22 18:14:13,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-22 18:14:13,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-22 18:14:13,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-22 18:14:13,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-22 18:14:13,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-08-22 18:14:13,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-08-22 18:14:13,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-08-22 18:14:13,986 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-22 18:14:13,986 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-22 18:14:13,986 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-22 18:14:13,986 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-22 18:14:13,986 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 18:14:13,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-22 18:14:13,987 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-22 18:14:13,987 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-22 18:14:13,987 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-22 18:14:13,987 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-22 18:14:13,987 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-22 18:14:13,987 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-22 18:14:13,987 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-22 18:14:13,988 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-22 18:14:13,988 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-22 18:14:13,988 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-22 18:14:13,988 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-08-22 18:14:13,988 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 18:14:13,988 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 18:14:13,988 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-22 18:14:13,989 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-22 18:14:13,989 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-22 18:14:13,989 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-22 18:14:13,989 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-08-22 18:14:13,989 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-22 18:14:13,989 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-22 18:14:13,989 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-22 18:14:13,990 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-22 18:14:13,990 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-22 18:14:13,990 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-22 18:14:13,990 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-22 18:14:13,991 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-08-22 18:14:13,991 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-08-22 18:14:13,991 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-22 18:14:13,991 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-22 18:14:13,991 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-08-22 18:14:13,991 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-08-22 18:14:13,991 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-22 18:14:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 18:14:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-22 18:14:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-22 18:14:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-22 18:14:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-22 18:14:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-22 18:14:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-22 18:14:13,993 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-22 18:14:13,993 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-22 18:14:13,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 18:14:13,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 18:14:13,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 18:14:13,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 18:14:13,994 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-22 18:14:13,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 18:14:13,995 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-22 18:14:13,995 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-22 18:14:13,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 18:14:13,996 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-22 18:14:13,996 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-22 18:14:13,996 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-22 18:14:13,996 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-22 18:14:13,996 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-22 18:14:13,997 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-08-22 18:14:13,997 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-22 18:14:13,998 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-22 18:14:13,998 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-22 18:14:13,998 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-22 18:14:13,999 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-22 18:14:13,999 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-22 18:14:13,999 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 18:14:13,999 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-22 18:14:13,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 18:14:13,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-22 18:14:13,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 18:14:15,161 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 18:14:15,161 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-22 18:14:15,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 06:14:15 BoogieIcfgContainer [2020-08-22 18:14:15,169 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 18:14:15,170 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 18:14:15,171 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 18:14:15,174 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 18:14:15,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 06:14:12" (1/3) ... [2020-08-22 18:14:15,175 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66db4366 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 06:14:15, skipping insertion in model container [2020-08-22 18:14:15,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:14:13" (2/3) ... [2020-08-22 18:14:15,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66db4366 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 06:14:15, skipping insertion in model container [2020-08-22 18:14:15,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 06:14:15" (3/3) ... [2020-08-22 18:14:15,178 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product40.cil.c [2020-08-22 18:14:15,191 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 18:14:15,200 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 18:14:15,218 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 18:14:15,245 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 18:14:15,245 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 18:14:15,245 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-08-22 18:14:15,246 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 18:14:15,246 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 18:14:15,246 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 18:14:15,246 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 18:14:15,246 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 18:14:15,272 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states. [2020-08-22 18:14:15,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-08-22 18:14:15,296 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:14:15,297 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 18:14:15,297 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:14:15,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:14:15,304 INFO L82 PathProgramCache]: Analyzing trace with hash -1626360374, now seen corresponding path program 1 times [2020-08-22 18:14:15,316 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:14:15,317 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2123506928] [2020-08-22 18:14:15,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:14:15,389 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:14:15,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:16,075 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:14:16,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:14:16,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:16,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:14:16,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:16,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:14:16,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:16,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:14:16,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:16,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:14:16,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:16,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:14:16,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:16,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-08-22 18:14:16,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:16,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:14:16,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:16,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-08-22 18:14:16,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:16,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-08-22 18:14:16,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:16,298 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 18:14:16,303 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2123506928] [2020-08-22 18:14:16,305 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:14:16,306 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 18:14:16,306 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923160632] [2020-08-22 18:14:16,314 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 18:14:16,314 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:14:16,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 18:14:16,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-22 18:14:16,333 INFO L87 Difference]: Start difference. First operand 329 states. Second operand 4 states. [2020-08-22 18:14:17,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:14:17,846 INFO L93 Difference]: Finished difference Result 520 states and 612 transitions. [2020-08-22 18:14:17,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-22 18:14:17,849 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-08-22 18:14:17,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:14:17,868 INFO L225 Difference]: With dead ends: 520 [2020-08-22 18:14:17,869 INFO L226 Difference]: Without dead ends: 327 [2020-08-22 18:14:17,878 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 18:14:17,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-08-22 18:14:18,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 278. [2020-08-22 18:14:18,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2020-08-22 18:14:18,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 303 transitions. [2020-08-22 18:14:18,057 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 303 transitions. Word has length 160 [2020-08-22 18:14:18,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:14:18,058 INFO L479 AbstractCegarLoop]: Abstraction has 278 states and 303 transitions. [2020-08-22 18:14:18,058 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 18:14:18,058 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 303 transitions. [2020-08-22 18:14:18,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-08-22 18:14:18,063 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:14:18,064 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 18:14:18,064 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 18:14:18,064 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:14:18,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:14:18,065 INFO L82 PathProgramCache]: Analyzing trace with hash 170941695, now seen corresponding path program 1 times [2020-08-22 18:14:18,065 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:14:18,066 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1377720592] [2020-08-22 18:14:18,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:14:18,069 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:14:18,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:18,449 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:14:18,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:14:18,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:18,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:14:18,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:18,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:14:18,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:18,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:14:18,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:18,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:14:18,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:18,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:14:18,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:18,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 18:14:18,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:18,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:14:18,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:18,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-08-22 18:14:18,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:18,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-08-22 18:14:18,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:18,572 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 18:14:18,573 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1377720592] [2020-08-22 18:14:18,573 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:14:18,573 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 18:14:18,574 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693081282] [2020-08-22 18:14:18,575 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 18:14:18,575 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:14:18,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 18:14:18,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-22 18:14:18,576 INFO L87 Difference]: Start difference. First operand 278 states and 303 transitions. Second operand 5 states. [2020-08-22 18:14:19,197 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:14:20,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:14:20,288 INFO L93 Difference]: Finished difference Result 439 states and 496 transitions. [2020-08-22 18:14:20,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 18:14:20,289 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-08-22 18:14:20,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:14:20,296 INFO L225 Difference]: With dead ends: 439 [2020-08-22 18:14:20,297 INFO L226 Difference]: Without dead ends: 316 [2020-08-22 18:14:20,301 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-22 18:14:20,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2020-08-22 18:14:20,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 268. [2020-08-22 18:14:20,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2020-08-22 18:14:20,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 290 transitions. [2020-08-22 18:14:20,372 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 290 transitions. Word has length 161 [2020-08-22 18:14:20,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:14:20,373 INFO L479 AbstractCegarLoop]: Abstraction has 268 states and 290 transitions. [2020-08-22 18:14:20,373 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 18:14:20,373 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 290 transitions. [2020-08-22 18:14:20,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-08-22 18:14:20,376 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:14:20,377 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:14:20,377 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 18:14:20,377 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:14:20,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:14:20,377 INFO L82 PathProgramCache]: Analyzing trace with hash -1075710309, now seen corresponding path program 1 times [2020-08-22 18:14:20,378 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:14:20,378 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1377286197] [2020-08-22 18:14:20,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:14:20,380 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:14:20,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:20,827 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:14:20,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:14:20,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:20,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:14:20,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:20,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:14:20,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:20,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:14:20,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:20,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:14:20,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:20,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:14:20,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:20,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-22 18:14:20,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:21,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:14:21,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:21,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:14:21,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:21,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-08-22 18:14:21,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:21,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-08-22 18:14:21,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:21,106 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 18:14:21,107 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1377286197] [2020-08-22 18:14:21,107 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:14:21,108 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-08-22 18:14:21,108 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389486197] [2020-08-22 18:14:21,109 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 18:14:21,110 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:14:21,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 18:14:21,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-08-22 18:14:21,111 INFO L87 Difference]: Start difference. First operand 268 states and 290 transitions. Second operand 11 states. [2020-08-22 18:14:21,686 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:14:22,048 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:14:22,291 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:14:22,570 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:14:22,824 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:14:23,060 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:14:24,270 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:14:26,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:14:26,571 INFO L93 Difference]: Finished difference Result 741 states and 863 transitions. [2020-08-22 18:14:26,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-08-22 18:14:26,572 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 174 [2020-08-22 18:14:26,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:14:26,578 INFO L225 Difference]: With dead ends: 741 [2020-08-22 18:14:26,579 INFO L226 Difference]: Without dead ends: 588 [2020-08-22 18:14:26,580 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2020-08-22 18:14:26,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2020-08-22 18:14:26,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 489. [2020-08-22 18:14:26,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 489 states. [2020-08-22 18:14:26,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 549 transitions. [2020-08-22 18:14:26,766 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 549 transitions. Word has length 174 [2020-08-22 18:14:26,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:14:26,768 INFO L479 AbstractCegarLoop]: Abstraction has 489 states and 549 transitions. [2020-08-22 18:14:26,768 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 18:14:26,768 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 549 transitions. [2020-08-22 18:14:26,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-08-22 18:14:26,771 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:14:26,772 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 18:14:26,772 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 18:14:26,772 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:14:26,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:14:26,773 INFO L82 PathProgramCache]: Analyzing trace with hash 872929662, now seen corresponding path program 1 times [2020-08-22 18:14:26,773 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:14:26,773 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1220156963] [2020-08-22 18:14:26,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:14:26,776 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:14:26,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:27,076 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:14:27,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:14:27,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:27,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:14:27,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:27,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:14:27,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:27,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:14:27,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:27,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:14:27,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:27,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:14:27,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:27,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-08-22 18:14:27,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:27,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-08-22 18:14:27,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:27,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:14:27,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:27,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-08-22 18:14:27,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:27,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-08-22 18:14:27,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:27,250 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 18:14:27,251 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1220156963] [2020-08-22 18:14:27,251 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:14:27,251 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-22 18:14:27,252 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944712790] [2020-08-22 18:14:27,253 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 18:14:27,253 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:14:27,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 18:14:27,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-08-22 18:14:27,255 INFO L87 Difference]: Start difference. First operand 489 states and 549 transitions. Second operand 10 states. [2020-08-22 18:14:27,712 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:14:28,571 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:14:28,807 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:14:29,741 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:14:29,980 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:14:30,276 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:14:30,486 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:14:30,748 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:14:31,006 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:14:31,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:14:31,881 INFO L93 Difference]: Finished difference Result 1128 states and 1355 transitions. [2020-08-22 18:14:31,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-08-22 18:14:31,882 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 179 [2020-08-22 18:14:31,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:14:31,888 INFO L225 Difference]: With dead ends: 1128 [2020-08-22 18:14:31,888 INFO L226 Difference]: Without dead ends: 754 [2020-08-22 18:14:31,890 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-08-22 18:14:31,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2020-08-22 18:14:32,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 661. [2020-08-22 18:14:32,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 661 states. [2020-08-22 18:14:32,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 745 transitions. [2020-08-22 18:14:32,093 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 745 transitions. Word has length 179 [2020-08-22 18:14:32,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:14:32,093 INFO L479 AbstractCegarLoop]: Abstraction has 661 states and 745 transitions. [2020-08-22 18:14:32,094 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 18:14:32,094 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 745 transitions. [2020-08-22 18:14:32,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-08-22 18:14:32,097 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:14:32,098 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] [2020-08-22 18:14:32,098 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 18:14:32,098 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:14:32,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:14:32,099 INFO L82 PathProgramCache]: Analyzing trace with hash 780568910, now seen corresponding path program 1 times [2020-08-22 18:14:32,099 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:14:32,099 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1896995808] [2020-08-22 18:14:32,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:14:32,102 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:14:32,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:32,373 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:14:32,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:14:32,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:32,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:14:32,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:32,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:14:32,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:32,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:14:32,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:32,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:14:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:32,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:14:32,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:32,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-22 18:14:32,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:32,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:14:32,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:32,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:14:32,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:32,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-08-22 18:14:32,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:32,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:14:32,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:32,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:14:32,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:32,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:14:32,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:32,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:14:32,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:32,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-08-22 18:14:32,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:32,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-08-22 18:14:32,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:32,703 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 18:14:32,704 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1896995808] [2020-08-22 18:14:32,704 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:14:32,704 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-08-22 18:14:32,704 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340733239] [2020-08-22 18:14:32,705 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 18:14:32,705 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:14:32,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 18:14:32,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-08-22 18:14:32,706 INFO L87 Difference]: Start difference. First operand 661 states and 745 transitions. Second operand 11 states. [2020-08-22 18:14:34,131 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:14:34,381 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 18:14:34,662 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-08-22 18:14:34,939 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:14:35,183 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:14:35,404 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:14:36,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:14:36,522 INFO L93 Difference]: Finished difference Result 1415 states and 1699 transitions. [2020-08-22 18:14:36,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-22 18:14:36,523 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 212 [2020-08-22 18:14:36,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:14:36,530 INFO L225 Difference]: With dead ends: 1415 [2020-08-22 18:14:36,530 INFO L226 Difference]: Without dead ends: 869 [2020-08-22 18:14:36,532 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-08-22 18:14:36,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 869 states. [2020-08-22 18:14:36,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 869 to 680. [2020-08-22 18:14:36,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 680 states. [2020-08-22 18:14:36,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 765 transitions. [2020-08-22 18:14:36,801 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 765 transitions. Word has length 212 [2020-08-22 18:14:36,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:14:36,802 INFO L479 AbstractCegarLoop]: Abstraction has 680 states and 765 transitions. [2020-08-22 18:14:36,802 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 18:14:36,802 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 765 transitions. [2020-08-22 18:14:36,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-08-22 18:14:36,806 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:14:36,806 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] [2020-08-22 18:14:36,806 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 18:14:36,806 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:14:36,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:14:36,807 INFO L82 PathProgramCache]: Analyzing trace with hash 655364526, now seen corresponding path program 1 times [2020-08-22 18:14:36,807 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:14:36,807 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [117504470] [2020-08-22 18:14:36,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:14:36,810 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:14:36,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:37,115 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:14:37,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:14:37,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:37,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:14:37,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:37,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:14:37,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:37,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:14:37,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:37,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:14:37,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:37,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:14:37,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:37,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-22 18:14:37,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:37,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:14:37,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:37,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:14:37,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:37,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-08-22 18:14:37,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:37,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:14:37,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:37,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:14:37,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:37,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:14:37,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:37,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:14:37,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:37,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-08-22 18:14:37,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:37,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-08-22 18:14:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:37,334 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 18:14:37,335 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [117504470] [2020-08-22 18:14:37,336 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:14:37,336 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-08-22 18:14:37,336 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262801962] [2020-08-22 18:14:37,337 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-22 18:14:37,337 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:14:37,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-22 18:14:37,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-08-22 18:14:37,338 INFO L87 Difference]: Start difference. First operand 680 states and 765 transitions. Second operand 14 states. [2020-08-22 18:14:37,877 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:14:38,120 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 18:14:38,393 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:14:38,622 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:14:38,839 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:14:39,904 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:14:40,153 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:14:40,468 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:14:40,730 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:14:40,969 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:14:42,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:14:42,206 INFO L93 Difference]: Finished difference Result 1456 states and 1766 transitions. [2020-08-22 18:14:42,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-08-22 18:14:42,207 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 212 [2020-08-22 18:14:42,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:14:42,214 INFO L225 Difference]: With dead ends: 1456 [2020-08-22 18:14:42,214 INFO L226 Difference]: Without dead ends: 891 [2020-08-22 18:14:42,217 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-08-22 18:14:42,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 891 states. [2020-08-22 18:14:42,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 891 to 692. [2020-08-22 18:14:42,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 692 states. [2020-08-22 18:14:42,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 777 transitions. [2020-08-22 18:14:42,493 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 777 transitions. Word has length 212 [2020-08-22 18:14:42,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:14:42,494 INFO L479 AbstractCegarLoop]: Abstraction has 692 states and 777 transitions. [2020-08-22 18:14:42,494 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-22 18:14:42,494 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 777 transitions. [2020-08-22 18:14:42,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-08-22 18:14:42,498 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:14:42,499 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] [2020-08-22 18:14:42,499 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-22 18:14:42,499 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:14:42,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:14:42,500 INFO L82 PathProgramCache]: Analyzing trace with hash 1345858667, now seen corresponding path program 1 times [2020-08-22 18:14:42,500 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:14:42,500 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [297390022] [2020-08-22 18:14:42,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:14:42,503 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:14:42,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:42,772 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:14:42,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:14:42,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:42,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:14:42,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:42,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:14:42,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:42,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:14:42,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:42,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:14:42,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:42,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:14:42,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:42,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-22 18:14:42,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:42,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:14:42,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:42,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:14:42,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:42,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-08-22 18:14:42,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:42,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:14:42,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:42,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:14:42,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:42,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:14:42,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:42,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:14:42,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:42,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-08-22 18:14:42,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:42,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-08-22 18:14:42,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:42,990 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 18:14:42,991 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [297390022] [2020-08-22 18:14:42,991 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:14:42,991 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-22 18:14:42,992 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145835116] [2020-08-22 18:14:42,992 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 18:14:42,992 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:14:42,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 18:14:42,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-22 18:14:42,993 INFO L87 Difference]: Start difference. First operand 692 states and 777 transitions. Second operand 8 states. [2020-08-22 18:14:43,419 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:14:44,043 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:14:46,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:14:46,816 INFO L93 Difference]: Finished difference Result 2225 states and 2726 transitions. [2020-08-22 18:14:46,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-08-22 18:14:46,816 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 212 [2020-08-22 18:14:46,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:14:46,829 INFO L225 Difference]: With dead ends: 2225 [2020-08-22 18:14:46,829 INFO L226 Difference]: Without dead ends: 1648 [2020-08-22 18:14:46,832 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 45 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=156, Invalid=444, Unknown=0, NotChecked=0, Total=600 [2020-08-22 18:14:46,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1648 states. [2020-08-22 18:14:47,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1648 to 1380. [2020-08-22 18:14:47,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1380 states. [2020-08-22 18:14:47,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 1380 states and 1574 transitions. [2020-08-22 18:14:47,198 INFO L78 Accepts]: Start accepts. Automaton has 1380 states and 1574 transitions. Word has length 212 [2020-08-22 18:14:47,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:14:47,199 INFO L479 AbstractCegarLoop]: Abstraction has 1380 states and 1574 transitions. [2020-08-22 18:14:47,199 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 18:14:47,199 INFO L276 IsEmpty]: Start isEmpty. Operand 1380 states and 1574 transitions. [2020-08-22 18:14:47,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-08-22 18:14:47,204 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:14:47,204 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] [2020-08-22 18:14:47,204 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-22 18:14:47,205 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:14:47,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:14:47,205 INFO L82 PathProgramCache]: Analyzing trace with hash 139212264, now seen corresponding path program 1 times [2020-08-22 18:14:47,205 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:14:47,206 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [594292366] [2020-08-22 18:14:47,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:14:47,208 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:14:47,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:47,533 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:14:47,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:14:47,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:47,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:14:47,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:47,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:14:47,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:47,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:14:47,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:47,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:14:47,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:47,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:14:47,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:47,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 18:14:47,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:47,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:14:47,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:47,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-08-22 18:14:47,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:47,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:14:47,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:47,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-08-22 18:14:47,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:47,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:14:47,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:47,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:14:47,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:47,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:14:47,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:47,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:14:47,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:47,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-08-22 18:14:47,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:47,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-08-22 18:14:47,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:14:47,777 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 18:14:47,777 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [594292366] [2020-08-22 18:14:47,778 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:14:47,778 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-08-22 18:14:47,778 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046806667] [2020-08-22 18:14:47,778 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-08-22 18:14:47,779 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:14:47,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-08-22 18:14:47,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-08-22 18:14:47,779 INFO L87 Difference]: Start difference. First operand 1380 states and 1574 transitions. Second operand 15 states. [2020-08-22 18:14:48,606 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-08-22 18:14:49,351 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:14:50,470 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-08-22 18:14:50,934 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-08-22 18:14:51,286 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:14:51,534 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:14:52,009 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-08-22 18:14:52,257 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:14:52,545 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:14:52,794 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:14:55,509 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-08-22 18:14:56,082 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:14:56,373 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:14:56,702 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:14:57,717 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-08-22 18:14:58,148 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-08-22 18:14:58,620 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-08-22 18:14:59,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:14:59,375 INFO L93 Difference]: Finished difference Result 4223 states and 5190 transitions. [2020-08-22 18:14:59,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-08-22 18:14:59,376 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 217 [2020-08-22 18:14:59,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:14:59,395 INFO L225 Difference]: With dead ends: 4223 [2020-08-22 18:14:59,395 INFO L226 Difference]: Without dead ends: 3239 [2020-08-22 18:14:59,401 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1254 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=816, Invalid=3216, Unknown=0, NotChecked=0, Total=4032 [2020-08-22 18:14:59,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3239 states. [2020-08-22 18:15:00,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3239 to 2529. [2020-08-22 18:15:00,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2529 states. [2020-08-22 18:15:00,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2529 states to 2529 states and 2865 transitions. [2020-08-22 18:15:00,584 INFO L78 Accepts]: Start accepts. Automaton has 2529 states and 2865 transitions. Word has length 217 [2020-08-22 18:15:00,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:15:00,585 INFO L479 AbstractCegarLoop]: Abstraction has 2529 states and 2865 transitions. [2020-08-22 18:15:00,585 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-08-22 18:15:00,585 INFO L276 IsEmpty]: Start isEmpty. Operand 2529 states and 2865 transitions. [2020-08-22 18:15:00,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2020-08-22 18:15:00,590 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:15:00,590 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:15:00,590 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-22 18:15:00,591 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:15:00,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:15:00,591 INFO L82 PathProgramCache]: Analyzing trace with hash 1028172533, now seen corresponding path program 1 times [2020-08-22 18:15:00,591 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:15:00,591 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1056393887] [2020-08-22 18:15:00,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:15:00,633 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:15:00,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:00,970 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:15:00,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:00,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:00,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:15:00,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:01,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:15:01,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:01,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:15:01,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:01,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:15:01,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:01,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:15:01,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:01,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 18:15:01,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:01,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:15:01,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:01,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-08-22 18:15:01,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:01,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:01,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:01,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:01,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:01,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 18:15:01,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:01,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:01,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:01,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:01,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:01,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:15:01,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:01,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:15:01,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:01,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-22 18:15:01,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:01,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:01,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:01,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-08-22 18:15:01,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:01,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-08-22 18:15:01,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:01,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:01,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:01,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-08-22 18:15:01,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:01,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2020-08-22 18:15:01,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:01,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:01,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:01,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:15:01,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:01,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:15:01,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:01,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:01,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:01,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2020-08-22 18:15:01,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:01,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2020-08-22 18:15:01,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:01,454 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 18:15:01,455 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1056393887] [2020-08-22 18:15:01,455 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:15:01,455 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-08-22 18:15:01,455 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528355890] [2020-08-22 18:15:01,456 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-08-22 18:15:01,456 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:15:01,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-08-22 18:15:01,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2020-08-22 18:15:01,460 INFO L87 Difference]: Start difference. First operand 2529 states and 2865 transitions. Second operand 19 states. [2020-08-22 18:15:02,402 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:15:02,647 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 18:15:02,907 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:15:03,172 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:15:03,408 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:15:04,452 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-08-22 18:15:04,967 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-08-22 18:15:05,225 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 18:15:05,525 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-08-22 18:15:05,800 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:15:06,146 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-08-22 18:15:06,498 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-08-22 18:15:06,843 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-08-22 18:15:08,531 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:15:10,056 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-08-22 18:15:10,608 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-08-22 18:15:11,120 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-08-22 18:15:11,520 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:15:12,349 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:15:12,928 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-08-22 18:15:13,246 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-08-22 18:15:13,882 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-08-22 18:15:14,432 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 196 [2020-08-22 18:15:15,585 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-08-22 18:15:16,152 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:15:16,790 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2020-08-22 18:15:18,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:15:18,677 INFO L93 Difference]: Finished difference Result 5754 states and 6798 transitions. [2020-08-22 18:15:18,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2020-08-22 18:15:18,678 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 303 [2020-08-22 18:15:18,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:15:18,697 INFO L225 Difference]: With dead ends: 5754 [2020-08-22 18:15:18,697 INFO L226 Difference]: Without dead ends: 3606 [2020-08-22 18:15:18,708 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2459 ImplicationChecksByTransitivity, 9.8s TimeCoverageRelationStatistics Valid=1409, Invalid=6601, Unknown=0, NotChecked=0, Total=8010 [2020-08-22 18:15:18,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3606 states. [2020-08-22 18:15:19,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3606 to 2955. [2020-08-22 18:15:19,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2955 states. [2020-08-22 18:15:19,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2955 states to 2955 states and 3294 transitions. [2020-08-22 18:15:19,919 INFO L78 Accepts]: Start accepts. Automaton has 2955 states and 3294 transitions. Word has length 303 [2020-08-22 18:15:19,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:15:19,920 INFO L479 AbstractCegarLoop]: Abstraction has 2955 states and 3294 transitions. [2020-08-22 18:15:19,920 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-08-22 18:15:19,920 INFO L276 IsEmpty]: Start isEmpty. Operand 2955 states and 3294 transitions. [2020-08-22 18:15:19,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2020-08-22 18:15:19,931 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:15:19,931 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:15:19,932 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-22 18:15:19,932 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:15:19,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:15:19,932 INFO L82 PathProgramCache]: Analyzing trace with hash -1719317365, now seen corresponding path program 1 times [2020-08-22 18:15:19,932 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:15:19,933 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1825911326] [2020-08-22 18:15:19,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:15:19,956 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:15:20,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:20,233 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:15:20,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:20,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:20,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:15:20,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:20,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:15:20,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:20,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:15:20,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:20,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:15:20,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:20,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:15:20,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:20,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 18:15:20,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:20,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:15:20,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:20,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-08-22 18:15:20,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:20,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:20,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:20,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:20,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:20,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 18:15:20,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:20,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:20,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:20,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:20,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:20,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:15:20,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:20,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:15:20,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:20,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-22 18:15:20,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:20,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:20,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:20,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-08-22 18:15:20,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:20,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-08-22 18:15:20,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:20,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:20,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:20,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:20,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:20,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:15:20,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:20,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:15:20,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:20,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:20,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:20,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:15:20,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:20,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:15:20,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:20,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:20,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:20,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 18:15:20,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:20,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:20,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:20,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2020-08-22 18:15:20,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:20,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2020-08-22 18:15:20,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:20,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:20,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:20,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:20,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:20,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:15:20,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:20,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:15:20,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:20,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:20,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:20,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:15:20,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:20,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:15:20,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:20,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:15:20,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:20,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:20,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:20,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2020-08-22 18:15:20,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:20,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2020-08-22 18:15:20,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:20,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:20,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:20,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2020-08-22 18:15:20,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:20,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:20,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:20,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:20,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:20,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:15:20,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:20,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:15:20,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:20,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2020-08-22 18:15:20,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:20,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2020-08-22 18:15:20,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:20,889 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 18:15:20,890 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1825911326] [2020-08-22 18:15:20,890 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:15:20,890 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-08-22 18:15:20,890 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686264214] [2020-08-22 18:15:20,891 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-08-22 18:15:20,891 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:15:20,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-08-22 18:15:20,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-08-22 18:15:20,892 INFO L87 Difference]: Start difference. First operand 2955 states and 3294 transitions. Second operand 17 states. [2020-08-22 18:15:22,487 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:15:22,736 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:15:22,993 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:15:23,250 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:15:23,487 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:15:23,736 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:15:25,205 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:15:25,472 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:15:29,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:15:29,606 INFO L93 Difference]: Finished difference Result 8480 states and 9983 transitions. [2020-08-22 18:15:29,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-08-22 18:15:29,607 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 473 [2020-08-22 18:15:29,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:15:29,641 INFO L225 Difference]: With dead ends: 8480 [2020-08-22 18:15:29,641 INFO L226 Difference]: Without dead ends: 5125 [2020-08-22 18:15:29,657 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 115 SyntacticMatches, 6 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 592 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=521, Invalid=1831, Unknown=0, NotChecked=0, Total=2352 [2020-08-22 18:15:29,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5125 states. [2020-08-22 18:15:31,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5125 to 4008. [2020-08-22 18:15:31,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4008 states. [2020-08-22 18:15:31,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4008 states to 4008 states and 4551 transitions. [2020-08-22 18:15:31,024 INFO L78 Accepts]: Start accepts. Automaton has 4008 states and 4551 transitions. Word has length 473 [2020-08-22 18:15:31,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:15:31,026 INFO L479 AbstractCegarLoop]: Abstraction has 4008 states and 4551 transitions. [2020-08-22 18:15:31,026 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-08-22 18:15:31,026 INFO L276 IsEmpty]: Start isEmpty. Operand 4008 states and 4551 transitions. [2020-08-22 18:15:31,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2020-08-22 18:15:31,039 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:15:31,039 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, 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, 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 18:15:31,040 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-22 18:15:31,040 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:15:31,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:15:31,040 INFO L82 PathProgramCache]: Analyzing trace with hash 1886621430, now seen corresponding path program 1 times [2020-08-22 18:15:31,040 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:15:31,041 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [161602809] [2020-08-22 18:15:31,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:15:31,068 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:15:31,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:31,372 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:15:31,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:31,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:31,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:15:31,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:31,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:15:31,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:31,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:15:31,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:31,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:15:31,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:31,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:15:31,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:31,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 18:15:31,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:31,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:15:31,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:31,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-08-22 18:15:31,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:31,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:31,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:31,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:31,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:31,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 18:15:31,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:31,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:31,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:31,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:31,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:31,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:15:31,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:31,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:15:31,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:31,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-22 18:15:31,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:31,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:31,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:31,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-08-22 18:15:31,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:31,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-08-22 18:15:31,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:31,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:31,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:31,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:31,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:31,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:15:31,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:31,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:15:31,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:31,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:31,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:31,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:15:31,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:31,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:15:31,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:31,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:31,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:31,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 18:15:31,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:31,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:31,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:31,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 18:15:31,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:31,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2020-08-22 18:15:31,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:31,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2020-08-22 18:15:31,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:31,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:31,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:31,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:31,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:31,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:15:31,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:31,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:15:31,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:31,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:31,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:31,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:15:31,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:31,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:15:31,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:31,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:15:31,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:31,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:31,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:31,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2020-08-22 18:15:31,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:31,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2020-08-22 18:15:31,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:31,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2020-08-22 18:15:31,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:31,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:31,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:31,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2020-08-22 18:15:31,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:31,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:31,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:31,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:31,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:31,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:15:31,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:31,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:15:31,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:31,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2020-08-22 18:15:31,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:31,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2020-08-22 18:15:31,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:32,073 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 18:15:32,074 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [161602809] [2020-08-22 18:15:32,074 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:15:32,075 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-08-22 18:15:32,075 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238403562] [2020-08-22 18:15:32,077 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-08-22 18:15:32,078 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:15:32,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-08-22 18:15:32,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2020-08-22 18:15:32,082 INFO L87 Difference]: Start difference. First operand 4008 states and 4551 transitions. Second operand 19 states. [2020-08-22 18:15:32,610 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:15:32,952 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:15:33,199 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 18:15:33,445 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:15:33,700 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 18:15:33,929 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:15:34,842 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:15:35,094 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:15:36,284 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:15:36,648 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:15:36,911 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:15:37,176 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:15:37,939 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:15:38,195 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:15:39,060 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:15:39,328 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:15:39,562 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:15:41,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:15:41,391 INFO L93 Difference]: Finished difference Result 8100 states and 9472 transitions. [2020-08-22 18:15:41,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-08-22 18:15:41,391 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 487 [2020-08-22 18:15:41,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:15:41,415 INFO L225 Difference]: With dead ends: 8100 [2020-08-22 18:15:41,415 INFO L226 Difference]: Without dead ends: 4509 [2020-08-22 18:15:41,427 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 837 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=646, Invalid=2660, Unknown=0, NotChecked=0, Total=3306 [2020-08-22 18:15:41,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4509 states. [2020-08-22 18:15:43,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4509 to 3909. [2020-08-22 18:15:43,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3909 states. [2020-08-22 18:15:43,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3909 states to 3909 states and 4410 transitions. [2020-08-22 18:15:43,338 INFO L78 Accepts]: Start accepts. Automaton has 3909 states and 4410 transitions. Word has length 487 [2020-08-22 18:15:43,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:15:43,339 INFO L479 AbstractCegarLoop]: Abstraction has 3909 states and 4410 transitions. [2020-08-22 18:15:43,339 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-08-22 18:15:43,339 INFO L276 IsEmpty]: Start isEmpty. Operand 3909 states and 4410 transitions. [2020-08-22 18:15:43,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 489 [2020-08-22 18:15:43,351 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:15:43,351 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, 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, 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 18:15:43,351 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-22 18:15:43,352 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:15:43,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:15:43,352 INFO L82 PathProgramCache]: Analyzing trace with hash -1259134388, now seen corresponding path program 1 times [2020-08-22 18:15:43,352 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:15:43,352 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1921449794] [2020-08-22 18:15:43,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:15:43,373 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:15:43,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:43,660 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:15:43,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:43,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:43,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:15:43,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:43,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:15:43,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:43,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:15:43,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:43,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:15:43,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:43,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:15:43,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:43,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 18:15:43,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:43,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:15:43,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:43,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-08-22 18:15:43,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:43,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:43,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:43,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:43,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:43,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 18:15:43,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:43,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:43,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:43,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:43,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:43,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:15:43,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:43,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:15:43,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:43,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-22 18:15:43,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:43,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:43,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:43,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-08-22 18:15:43,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:43,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-08-22 18:15:43,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:43,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:43,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:43,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:43,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:43,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:15:43,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:43,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:15:43,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:43,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:43,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:43,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:15:43,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:43,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:15:43,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:43,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:43,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:43,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 18:15:43,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:43,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:43,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:43,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 18:15:43,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:43,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2020-08-22 18:15:43,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:43,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2020-08-22 18:15:43,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:43,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:43,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:43,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:43,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:43,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:15:43,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:43,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:15:43,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:43,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:43,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:43,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:15:43,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:44,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:15:44,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:44,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:15:44,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:44,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:44,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:44,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2020-08-22 18:15:44,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:44,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2020-08-22 18:15:44,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:44,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2020-08-22 18:15:44,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:44,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:44,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:44,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2020-08-22 18:15:44,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:44,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:44,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:44,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:15:44,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:44,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:15:44,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:44,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:15:44,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:44,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2020-08-22 18:15:44,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:44,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2020-08-22 18:15:44,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:44,223 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 18:15:44,224 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1921449794] [2020-08-22 18:15:44,224 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:15:44,224 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-08-22 18:15:44,224 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110269884] [2020-08-22 18:15:44,225 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-08-22 18:15:44,225 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:15:44,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-08-22 18:15:44,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2020-08-22 18:15:44,226 INFO L87 Difference]: Start difference. First operand 3909 states and 4410 transitions. Second operand 17 states. [2020-08-22 18:15:44,720 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:15:45,758 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:15:49,567 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:15:49,827 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:15:50,100 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:15:50,358 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:15:50,610 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:15:50,867 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 18:15:51,108 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:15:51,366 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:15:51,621 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:15:51,884 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:15:52,147 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 18:15:52,439 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:15:52,916 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 197 [2020-08-22 18:15:53,181 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 18:15:53,629 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-08-22 18:15:53,903 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:15:54,195 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-08-22 18:15:54,463 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-08-22 18:15:57,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:15:57,297 INFO L93 Difference]: Finished difference Result 12118 states and 14254 transitions. [2020-08-22 18:15:57,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2020-08-22 18:15:57,298 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 488 [2020-08-22 18:15:57,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:15:57,340 INFO L225 Difference]: With dead ends: 12118 [2020-08-22 18:15:57,340 INFO L226 Difference]: Without dead ends: 8337 [2020-08-22 18:15:57,355 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 120 SyntacticMatches, 1 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1098 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=823, Invalid=3337, Unknown=0, NotChecked=0, Total=4160 [2020-08-22 18:15:57,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8337 states. [2020-08-22 18:15:59,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8337 to 7223. [2020-08-22 18:15:59,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7223 states. [2020-08-22 18:15:59,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7223 states to 7223 states and 8056 transitions. [2020-08-22 18:15:59,609 INFO L78 Accepts]: Start accepts. Automaton has 7223 states and 8056 transitions. Word has length 488 [2020-08-22 18:15:59,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:15:59,610 INFO L479 AbstractCegarLoop]: Abstraction has 7223 states and 8056 transitions. [2020-08-22 18:15:59,610 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-08-22 18:15:59,611 INFO L276 IsEmpty]: Start isEmpty. Operand 7223 states and 8056 transitions. [2020-08-22 18:15:59,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 490 [2020-08-22 18:15:59,630 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:15:59,631 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:15:59,631 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-08-22 18:15:59,631 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:15:59,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:15:59,632 INFO L82 PathProgramCache]: Analyzing trace with hash -152732608, now seen corresponding path program 1 times [2020-08-22 18:15:59,632 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:15:59,632 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [425955615] [2020-08-22 18:15:59,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:15:59,658 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:15:59,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:59,956 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:15:59,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:15:59,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:59,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:15:59,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:59,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:15:59,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:15:59,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:15:59,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:00,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:16:00,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:00,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:16:00,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:00,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 18:16:00,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:00,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-08-22 18:16:00,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:00,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-08-22 18:16:00,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:00,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-08-22 18:16:00,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:00,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:00,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:00,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:00,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:00,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 18:16:00,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:00,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:00,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:00,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:00,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:00,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:16:00,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:00,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:16:00,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:00,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-22 18:16:00,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:00,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:00,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:00,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-08-22 18:16:00,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:00,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-08-22 18:16:00,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:00,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:00,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:00,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:00,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:00,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:16:00,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:00,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:16:00,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:00,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:00,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:00,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:16:00,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:00,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:16:00,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:00,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:00,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:00,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 18:16:00,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:00,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:00,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:00,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 18:16:00,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:00,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2020-08-22 18:16:00,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:00,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2020-08-22 18:16:00,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:00,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:00,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:00,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:00,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:00,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:16:00,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:00,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:16:00,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:00,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:00,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:00,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:16:00,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:00,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:16:00,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:00,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:16:00,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:00,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:00,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:00,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2020-08-22 18:16:00,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:00,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2020-08-22 18:16:00,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:00,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:00,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:00,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-08-22 18:16:00,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:00,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:00,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:00,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:00,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:00,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:16:00,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:00,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:16:00,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:00,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2020-08-22 18:16:00,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:00,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2020-08-22 18:16:00,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:00,831 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 18:16:00,831 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [425955615] [2020-08-22 18:16:00,831 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:16:00,831 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2020-08-22 18:16:00,831 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273344588] [2020-08-22 18:16:00,832 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-08-22 18:16:00,832 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:16:00,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-08-22 18:16:00,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2020-08-22 18:16:00,833 INFO L87 Difference]: Start difference. First operand 7223 states and 8056 transitions. Second operand 23 states. [2020-08-22 18:16:01,363 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:16:01,705 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:16:01,958 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 18:16:02,206 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:16:02,453 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 18:16:02,689 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:16:03,616 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:16:08,794 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:16:09,058 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:16:09,342 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:16:09,610 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:16:09,870 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:16:10,127 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:16:10,375 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:16:10,644 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:16:10,905 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:16:11,207 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:16:11,467 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:16:11,737 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:16:12,223 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-08-22 18:16:12,714 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-08-22 18:16:13,175 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-08-22 18:16:17,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:16:17,485 INFO L93 Difference]: Finished difference Result 15488 states and 18076 transitions. [2020-08-22 18:16:17,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2020-08-22 18:16:17,486 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 489 [2020-08-22 18:16:17,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:16:17,522 INFO L225 Difference]: With dead ends: 15488 [2020-08-22 18:16:17,522 INFO L226 Difference]: Without dead ends: 8961 [2020-08-22 18:16:17,541 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 127 SyntacticMatches, 1 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1996 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=1294, Invalid=5846, Unknown=0, NotChecked=0, Total=7140 [2020-08-22 18:16:17,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8961 states. [2020-08-22 18:16:19,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8961 to 6771. [2020-08-22 18:16:19,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6771 states. [2020-08-22 18:16:19,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6771 states to 6771 states and 7542 transitions. [2020-08-22 18:16:19,619 INFO L78 Accepts]: Start accepts. Automaton has 6771 states and 7542 transitions. Word has length 489 [2020-08-22 18:16:19,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:16:19,619 INFO L479 AbstractCegarLoop]: Abstraction has 6771 states and 7542 transitions. [2020-08-22 18:16:19,620 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-08-22 18:16:19,620 INFO L276 IsEmpty]: Start isEmpty. Operand 6771 states and 7542 transitions. [2020-08-22 18:16:19,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 490 [2020-08-22 18:16:19,770 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:16:19,771 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:16:19,771 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-08-22 18:16:19,771 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:16:19,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:16:19,772 INFO L82 PathProgramCache]: Analyzing trace with hash -2062873742, now seen corresponding path program 2 times [2020-08-22 18:16:19,772 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:16:19,772 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [856168093] [2020-08-22 18:16:19,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:16:19,788 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:16:19,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,125 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:16:20,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:20,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:16:20,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:16:20,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:16:20,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:16:20,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:16:20,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 18:16:20,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:16:20,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-08-22 18:16:20,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:20,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:20,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 18:16:20,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:20,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:20,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:16:20,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:16:20,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-22 18:16:20,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:20,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-08-22 18:16:20,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-08-22 18:16:20,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:20,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:20,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:16:20,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:16:20,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:20,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:16:20,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:16:20,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 18:16:20,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:20,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 18:16:20,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2020-08-22 18:16:20,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2020-08-22 18:16:20,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2020-08-22 18:16:20,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:20,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:20,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:16:20,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:16:20,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:20,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:16:20,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:16:20,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:16:20,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:20,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2020-08-22 18:16:20,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2020-08-22 18:16:20,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:20,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-08-22 18:16:20,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:20,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:20,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:16:20,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:16:20,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2020-08-22 18:16:20,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2020-08-22 18:16:20,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:20,713 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 18:16:20,713 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [856168093] [2020-08-22 18:16:20,713 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:16:20,713 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-08-22 18:16:20,713 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515132532] [2020-08-22 18:16:20,714 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-08-22 18:16:20,714 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:16:20,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-08-22 18:16:20,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2020-08-22 18:16:20,715 INFO L87 Difference]: Start difference. First operand 6771 states and 7542 transitions. Second operand 19 states. [2020-08-22 18:16:21,246 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:16:22,854 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:16:23,117 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:16:23,594 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-08-22 18:16:23,848 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:16:24,307 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-08-22 18:16:24,554 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:16:24,987 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-08-22 18:16:25,268 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:16:25,563 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:16:25,815 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:16:26,068 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:16:28,020 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:16:28,320 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:16:39,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:16:39,903 INFO L93 Difference]: Finished difference Result 15724 states and 18723 transitions. [2020-08-22 18:16:39,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2020-08-22 18:16:39,904 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 489 [2020-08-22 18:16:39,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:16:39,958 INFO L225 Difference]: With dead ends: 15724 [2020-08-22 18:16:39,958 INFO L226 Difference]: Without dead ends: 11621 [2020-08-22 18:16:39,976 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 147 SyntacticMatches, 8 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2157 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=1217, Invalid=5589, Unknown=0, NotChecked=0, Total=6806 [2020-08-22 18:16:39,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11621 states. [2020-08-22 18:16:42,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11621 to 8233. [2020-08-22 18:16:42,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8233 states. [2020-08-22 18:16:42,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8233 states to 8233 states and 9136 transitions. [2020-08-22 18:16:42,716 INFO L78 Accepts]: Start accepts. Automaton has 8233 states and 9136 transitions. Word has length 489 [2020-08-22 18:16:42,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:16:42,716 INFO L479 AbstractCegarLoop]: Abstraction has 8233 states and 9136 transitions. [2020-08-22 18:16:42,716 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-08-22 18:16:42,717 INFO L276 IsEmpty]: Start isEmpty. Operand 8233 states and 9136 transitions. [2020-08-22 18:16:42,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 505 [2020-08-22 18:16:42,730 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:16:42,730 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, 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, 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] [2020-08-22 18:16:42,730 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-08-22 18:16:42,731 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:16:42,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:16:42,731 INFO L82 PathProgramCache]: Analyzing trace with hash -1190004710, now seen corresponding path program 1 times [2020-08-22 18:16:42,731 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:16:42,731 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1986641372] [2020-08-22 18:16:42,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:16:42,743 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:16:42,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,261 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:16:43,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:43,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:16:43,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:16:43,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:16:43,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:16:43,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:16:43,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 18:16:43,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:16:43,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-08-22 18:16:43,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:43,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:43,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 18:16:43,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:43,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:43,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:16:43,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:16:43,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-22 18:16:43,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:43,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-08-22 18:16:43,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-08-22 18:16:43,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:43,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:43,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:16:43,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:16:43,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:43,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:16:43,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:16:43,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:43,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 18:16:43,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:43,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 18:16:43,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2020-08-22 18:16:43,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2020-08-22 18:16:43,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2020-08-22 18:16:43,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:43,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:43,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:16:43,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:16:43,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:43,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:16:43,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:16:43,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:16:43,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:43,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 18:16:43,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2020-08-22 18:16:43,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2020-08-22 18:16:43,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2020-08-22 18:16:43,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:16:43,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2020-08-22 18:16:43,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:43,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:16:43,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:16:43,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:16:43,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2020-08-22 18:16:43,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2020-08-22 18:16:43,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:16:43,868 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 18:16:43,868 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1986641372] [2020-08-22 18:16:43,869 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:16:43,869 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-08-22 18:16:43,869 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037046942] [2020-08-22 18:16:43,869 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-08-22 18:16:43,869 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:16:43,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-08-22 18:16:43,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2020-08-22 18:16:43,870 INFO L87 Difference]: Start difference. First operand 8233 states and 9136 transitions. Second operand 19 states. [2020-08-22 18:16:44,469 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:16:46,356 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:16:46,632 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:16:47,148 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-08-22 18:16:47,424 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:16:47,899 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 193 [2020-08-22 18:16:48,148 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:16:48,619 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-08-22 18:16:48,886 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:16:49,176 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 18:16:49,494 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-08-22 18:16:49,769 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 18:16:50,022 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:16:51,314 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:16:51,583 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:16:52,129 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-08-22 18:16:52,694 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 197 [2020-08-22 18:16:53,200 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-08-22 18:16:53,949 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:16:54,225 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:16:57,537 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:16:58,498 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:16:58,905 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:16:59,381 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-08-22 18:16:59,881 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-08-22 18:17:00,340 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-08-22 18:17:09,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:17:09,237 INFO L93 Difference]: Finished difference Result 20819 states and 24982 transitions. [2020-08-22 18:17:09,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2020-08-22 18:17:09,238 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 504 [2020-08-22 18:17:09,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:17:09,296 INFO L225 Difference]: With dead ends: 20819 [2020-08-22 18:17:09,296 INFO L226 Difference]: Without dead ends: 15976 [2020-08-22 18:17:09,319 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 184 SyntacticMatches, 7 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5977 ImplicationChecksByTransitivity, 10.8s TimeCoverageRelationStatistics Valid=2604, Invalid=13652, Unknown=0, NotChecked=0, Total=16256 [2020-08-22 18:17:09,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15976 states. [2020-08-22 18:17:12,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15976 to 10389. [2020-08-22 18:17:12,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10389 states. [2020-08-22 18:17:12,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10389 states to 10389 states and 11492 transitions. [2020-08-22 18:17:12,939 INFO L78 Accepts]: Start accepts. Automaton has 10389 states and 11492 transitions. Word has length 504 [2020-08-22 18:17:12,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:17:12,939 INFO L479 AbstractCegarLoop]: Abstraction has 10389 states and 11492 transitions. [2020-08-22 18:17:12,940 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-08-22 18:17:12,940 INFO L276 IsEmpty]: Start isEmpty. Operand 10389 states and 11492 transitions. [2020-08-22 18:17:12,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 596 [2020-08-22 18:17:12,961 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:17:12,961 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:17:12,961 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-08-22 18:17:12,962 INFO L427 AbstractCegarLoop]: === Iteration 16 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:17:12,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:17:12,962 INFO L82 PathProgramCache]: Analyzing trace with hash -1258603028, now seen corresponding path program 2 times [2020-08-22 18:17:12,962 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:17:12,962 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1006015845] [2020-08-22 18:17:12,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:17:12,974 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:17:13,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,278 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:17:13,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:13,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:17:13,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:17:13,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:17:13,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:17:13,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:17:13,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 18:17:13,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:17:13,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-08-22 18:17:13,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:13,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:13,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 18:17:13,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:13,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:13,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:17:13,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:17:13,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-22 18:17:13,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:13,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-08-22 18:17:13,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-08-22 18:17:13,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:13,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:13,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:17:13,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:17:13,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:13,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:17:13,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:17:13,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:13,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 18:17:13,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:13,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 18:17:13,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2020-08-22 18:17:13,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2020-08-22 18:17:13,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2020-08-22 18:17:13,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:13,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:13,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:17:13,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:17:13,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:13,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:17:13,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:17:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:13,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 18:17:13,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:13,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2020-08-22 18:17:13,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2020-08-22 18:17:13,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2020-08-22 18:17:13,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:13,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:17:13,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:17:13,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:13,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:17:13,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:17:13,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:17:13,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:13,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 18:17:13,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2020-08-22 18:17:13,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2020-08-22 18:17:13,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2020-08-22 18:17:13,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:13,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2020-08-22 18:17:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:13,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:13,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:17:13,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:17:13,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 572 [2020-08-22 18:17:13,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2020-08-22 18:17:13,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:13,797 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 18:17:13,798 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1006015845] [2020-08-22 18:17:13,798 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:17:13,798 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-08-22 18:17:13,798 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225394464] [2020-08-22 18:17:13,799 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-22 18:17:13,799 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:17:13,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-22 18:17:13,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2020-08-22 18:17:13,800 INFO L87 Difference]: Start difference. First operand 10389 states and 11492 transitions. Second operand 18 states. [2020-08-22 18:17:14,609 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:17:15,422 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:17:16,515 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:17:16,774 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:17:17,257 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-08-22 18:17:17,521 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:17:17,984 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-08-22 18:17:18,231 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:17:18,667 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-08-22 18:17:18,917 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:17:19,193 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:17:19,503 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 18:17:19,766 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:17:20,862 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:17:21,117 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:17:30,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:17:30,041 INFO L93 Difference]: Finished difference Result 20851 states and 24356 transitions. [2020-08-22 18:17:30,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2020-08-22 18:17:30,041 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 595 [2020-08-22 18:17:30,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:17:30,084 INFO L225 Difference]: With dead ends: 20851 [2020-08-22 18:17:30,085 INFO L226 Difference]: Without dead ends: 13824 [2020-08-22 18:17:30,107 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 170 SyntacticMatches, 2 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2234 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=1326, Invalid=5316, Unknown=0, NotChecked=0, Total=6642 [2020-08-22 18:17:30,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13824 states. [2020-08-22 18:17:33,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13824 to 10155. [2020-08-22 18:17:33,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10155 states. [2020-08-22 18:17:33,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10155 states to 10155 states and 11166 transitions. [2020-08-22 18:17:33,495 INFO L78 Accepts]: Start accepts. Automaton has 10155 states and 11166 transitions. Word has length 595 [2020-08-22 18:17:33,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:17:33,496 INFO L479 AbstractCegarLoop]: Abstraction has 10155 states and 11166 transitions. [2020-08-22 18:17:33,496 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-22 18:17:33,496 INFO L276 IsEmpty]: Start isEmpty. Operand 10155 states and 11166 transitions. [2020-08-22 18:17:33,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 575 [2020-08-22 18:17:33,513 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:17:33,514 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-22 18:17:33,514 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-08-22 18:17:33,514 INFO L427 AbstractCegarLoop]: === Iteration 17 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:17:33,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:17:33,515 INFO L82 PathProgramCache]: Analyzing trace with hash -1006091000, now seen corresponding path program 1 times [2020-08-22 18:17:33,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:17:33,515 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2071148567] [2020-08-22 18:17:33,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:17:33,527 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:17:33,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:33,908 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:17:33,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:33,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:33,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:17:33,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:33,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:17:33,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:33,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:17:33,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:33,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:17:33,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:33,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:17:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:33,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 18:17:33,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:33,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:17:33,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:33,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-08-22 18:17:33,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:33,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:33,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:33,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:33,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:34,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 18:17:34,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:34,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:34,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:34,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:34,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:34,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:17:34,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:34,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:17:34,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:34,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-22 18:17:34,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:34,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:34,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:34,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-08-22 18:17:34,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:34,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-08-22 18:17:34,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:34,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:34,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:34,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:34,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:34,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:17:34,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:34,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:17:34,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:34,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:34,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:34,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:17:34,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:34,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:17:34,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:34,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:34,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:34,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 18:17:34,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:34,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:34,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:34,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 18:17:34,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:34,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2020-08-22 18:17:34,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:34,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2020-08-22 18:17:34,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:34,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2020-08-22 18:17:34,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:34,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:34,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:34,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:34,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:34,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:17:34,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:34,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:17:34,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:34,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:34,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:34,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:17:34,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:34,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:17:34,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:34,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:17:34,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:34,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:34,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:34,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 18:17:34,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:34,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2020-08-22 18:17:34,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:34,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-08-22 18:17:34,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:34,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2020-08-22 18:17:34,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:34,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:34,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:34,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:34,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:34,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 18:17:34,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:34,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:34,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:34,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 18:17:34,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:34,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2020-08-22 18:17:34,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:34,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2020-08-22 18:17:34,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:34,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2020-08-22 18:17:34,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:34,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:17:34,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:34,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2020-08-22 18:17:34,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:34,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:34,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:34,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:17:34,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:34,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:17:34,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:34,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:17:34,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:34,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2020-08-22 18:17:34,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:34,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2020-08-22 18:17:34,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:17:34,636 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 18:17:34,637 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2071148567] [2020-08-22 18:17:34,637 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:17:34,638 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-08-22 18:17:34,638 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121371409] [2020-08-22 18:17:34,639 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-22 18:17:34,639 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:17:34,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-22 18:17:34,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2020-08-22 18:17:34,640 INFO L87 Difference]: Start difference. First operand 10155 states and 11166 transitions. Second operand 18 states. [2020-08-22 18:17:35,233 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:17:36,043 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:17:37,029 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:17:37,283 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:17:37,599 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:17:37,854 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:17:38,115 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:17:38,470 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:17:39,579 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:17:39,843 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:17:40,137 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:17:40,419 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:17:40,691 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:17:48,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:17:48,010 INFO L93 Difference]: Finished difference Result 19562 states and 22612 transitions. [2020-08-22 18:17:48,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2020-08-22 18:17:48,010 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 574 [2020-08-22 18:17:48,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:17:48,016 INFO L225 Difference]: With dead ends: 19562 [2020-08-22 18:17:48,016 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 18:17:48,053 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 155 SyntacticMatches, 1 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1995 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=1255, Invalid=4907, Unknown=0, NotChecked=0, Total=6162 [2020-08-22 18:17:48,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 18:17:48,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 18:17:48,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 18:17:48,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 18:17:48,057 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 574 [2020-08-22 18:17:48,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:17:48,057 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 18:17:48,057 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-22 18:17:48,057 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 18:17:48,057 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 18:17:48,058 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-08-22 18:17:48,060 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 18:17:49,320 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 219 DAG size of output: 206 [2020-08-22 18:17:49,597 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 205 [2020-08-22 18:17:49,963 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 201 [2020-08-22 18:17:50,433 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 202 [2020-08-22 18:17:50,709 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 202 [2020-08-22 18:17:51,127 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 203 [2020-08-22 18:17:51,517 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 203 [2020-08-22 18:17:58,407 WARN L193 SmtUtils]: Spent 5.95 s on a formula simplification. DAG size of input: 1432 DAG size of output: 810 [2020-08-22 18:18:04,348 WARN L193 SmtUtils]: Spent 5.94 s on a formula simplification. DAG size of input: 1432 DAG size of output: 810 [2020-08-22 18:18:19,325 WARN L193 SmtUtils]: Spent 14.97 s on a formula simplification. DAG size of input: 1940 DAG size of output: 1140 [2020-08-22 18:18:21,255 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 225 [2020-08-22 18:18:21,740 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 225 [2020-08-22 18:18:21,950 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 222 [2020-08-22 18:18:22,159 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 224 [2020-08-22 18:18:22,856 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 224 [2020-08-22 18:18:23,018 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 224 [2020-08-22 18:18:23,223 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 224 [2020-08-22 18:18:23,408 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 224 [2020-08-22 18:18:23,634 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 225 [2020-08-22 18:18:23,803 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 225 [2020-08-22 18:18:23,972 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 224 [2020-08-22 18:18:24,174 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 222 [2020-08-22 18:18:24,374 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 223 [2020-08-22 18:18:24,538 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 223 [2020-08-22 18:18:24,705 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 223 [2020-08-22 18:18:24,993 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 222 [2020-08-22 18:18:26,153 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 225 [2020-08-22 18:18:26,335 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 224 [2020-08-22 18:18:26,886 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 225 [2020-08-22 18:18:27,223 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 225 [2020-08-22 18:18:27,647 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 222 [2020-08-22 18:18:28,437 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 223 [2020-08-22 18:18:28,873 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 224 [2020-08-22 18:18:29,068 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 222 [2020-08-22 18:18:33,177 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 211 [2020-08-22 18:18:33,567 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 206 [2020-08-22 18:18:33,989 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 209 [2020-08-22 18:18:34,147 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 208 [2020-08-22 18:18:34,256 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 211 [2020-08-22 18:18:35,057 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 241 [2020-08-22 18:18:35,521 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-08-22 18:18:37,457 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-08-22 18:18:37,577 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 208 [2020-08-22 18:18:41,005 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 230 [2020-08-22 18:18:41,267 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 228 [2020-08-22 18:18:41,469 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 227 [2020-08-22 18:18:41,807 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 228 [2020-08-22 18:18:42,360 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 225 [2020-08-22 18:18:42,555 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 226 [2020-08-22 18:18:42,691 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-08-22 18:18:42,885 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 230 [2020-08-22 18:18:43,865 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 247 [2020-08-22 18:18:44,449 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 250 [2020-08-22 18:18:45,598 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 228 [2020-08-22 18:18:45,750 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 245 [2020-08-22 18:18:46,340 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 246 [2020-08-22 18:18:46,721 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 229 [2020-08-22 18:18:46,875 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 227 [2020-08-22 18:18:47,107 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-08-22 18:18:47,805 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 199 [2020-08-22 18:18:48,013 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 199 [2020-08-22 18:18:48,383 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 201 [2020-08-22 18:18:49,001 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 201 [2020-08-22 18:19:04,438 WARN L193 SmtUtils]: Spent 15.05 s on a formula simplification. DAG size of input: 1940 DAG size of output: 1140 [2020-08-22 18:19:19,663 WARN L193 SmtUtils]: Spent 15.20 s on a formula simplification. DAG size of input: 1940 DAG size of output: 1140 [2020-08-22 18:19:36,712 WARN L193 SmtUtils]: Spent 15.04 s on a formula simplification. DAG size of input: 1940 DAG size of output: 1140 [2020-08-22 18:19:42,588 WARN L193 SmtUtils]: Spent 5.87 s on a formula simplification. DAG size of input: 1432 DAG size of output: 810 [2020-08-22 18:19:42,905 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 227 [2020-08-22 18:19:43,065 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 230 [2020-08-22 18:19:43,204 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-08-22 18:19:43,362 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 232 [2020-08-22 18:19:43,498 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-08-22 18:19:43,973 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 230 [2020-08-22 18:19:44,284 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 232 [2020-08-22 18:19:44,403 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 227 [2020-08-22 18:19:44,756 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 227 [2020-08-22 18:19:44,913 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 230 [2020-08-22 18:19:45,049 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-08-22 18:19:45,207 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 232 [2020-08-22 18:19:45,344 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-08-22 18:19:45,824 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 230 [2020-08-22 18:19:46,132 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 232 [2020-08-22 18:19:46,252 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 227 [2020-08-22 18:19:48,167 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 221 [2020-08-22 18:19:50,954 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 231 [2020-08-22 18:19:51,119 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 234 [2020-08-22 18:19:51,247 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 235 [2020-08-22 18:19:51,406 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 234 [2020-08-22 18:19:51,533 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 235 [2020-08-22 18:19:52,012 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 234 [2020-08-22 18:19:52,328 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 234 [2020-08-22 18:19:52,457 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 231 [2020-08-22 18:19:58,534 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 215 [2020-08-22 18:19:58,751 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 211 [2020-08-22 18:19:59,023 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 214 [2020-08-22 18:19:59,318 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 209 [2020-08-22 18:20:16,170 WARN L193 SmtUtils]: Spent 14.96 s on a formula simplification. DAG size of input: 1940 DAG size of output: 1140 [2020-08-22 18:20:27,376 WARN L193 SmtUtils]: Spent 11.18 s on a formula simplification. DAG size of input: 1712 DAG size of output: 1038 [2020-08-22 18:20:36,686 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 209 [2020-08-22 18:20:36,804 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 209 [2020-08-22 18:20:37,114 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 209 [2020-08-22 18:20:37,233 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 209 [2020-08-22 18:20:37,364 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 209 [2020-08-22 18:20:37,484 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 209 [2020-08-22 18:20:37,618 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 209 [2020-08-22 18:20:37,945 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-08-22 18:20:38,400 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-08-22 18:20:38,511 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-08-22 18:20:39,367 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-08-22 18:20:39,489 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-08-22 18:20:39,942 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 209 [2020-08-22 18:20:40,550 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-08-22 18:20:40,726 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-08-22 18:20:44,992 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 200 [2020-08-22 18:20:45,523 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 206 [2020-08-22 18:20:45,865 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 200 [2020-08-22 18:20:46,008 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 200 [2020-08-22 18:20:46,436 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 200 [2020-08-22 18:20:46,592 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 200 [2020-08-22 18:20:46,778 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 200 [2020-08-22 18:20:47,216 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 203 [2020-08-22 18:20:47,322 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 203 [2020-08-22 18:20:47,440 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 203 [2020-08-22 18:20:47,551 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 206 [2020-08-22 18:20:47,659 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 206 [2020-08-22 18:20:47,778 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 203 [2020-08-22 18:20:48,035 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 200 [2020-08-22 18:20:48,140 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 203 [2020-08-22 18:20:48,935 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 203 [2020-08-22 18:20:49,156 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 203 [2020-08-22 18:20:49,396 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 203 [2020-08-22 18:20:49,893 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 206 [2020-08-22 18:20:50,041 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 203 [2020-08-22 18:20:50,192 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 203 [2020-08-22 18:20:50,344 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 200 [2020-08-22 18:20:50,942 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 203 [2020-08-22 18:20:51,085 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 203 [2020-08-22 18:20:51,879 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 209 [2020-08-22 18:20:51,997 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 209 [2020-08-22 18:20:52,340 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-08-22 18:20:52,468 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 209 [2020-08-22 18:20:52,589 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 209 [2020-08-22 18:20:52,769 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 211 [2020-08-22 18:20:52,913 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 211 [2020-08-22 18:20:53,035 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 208 [2020-08-22 18:20:53,167 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 211 [2020-08-22 18:20:54,588 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-08-22 18:20:54,894 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-08-22 18:20:55,033 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 211 [2020-08-22 18:20:55,150 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 209 [2020-08-22 18:20:55,271 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 209 [2020-08-22 18:20:55,390 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 209 [2020-08-22 18:20:55,929 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 209 [2020-08-22 18:20:56,047 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 209 [2020-08-22 18:20:56,234 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 211 [2020-08-22 18:20:56,423 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 211 [2020-08-22 18:20:58,643 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-08-22 18:20:58,755 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-08-22 18:20:58,869 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 208 [2020-08-22 18:20:59,192 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 208 [2020-08-22 18:20:59,319 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-08-22 18:20:59,742 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-08-22 18:20:59,852 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-08-22 18:20:59,964 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 211 [2020-08-22 18:21:00,371 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 211 [2020-08-22 18:21:00,774 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 208 [2020-08-22 18:21:00,898 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 211 [2020-08-22 18:21:01,006 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 211 [2020-08-22 18:21:06,222 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 228 [2020-08-22 18:21:21,217 WARN L193 SmtUtils]: Spent 11.33 s on a formula simplification. DAG size of input: 1712 DAG size of output: 1038 [2020-08-22 18:21:27,040 WARN L193 SmtUtils]: Spent 5.82 s on a formula simplification. DAG size of input: 1432 DAG size of output: 810 [2020-08-22 18:21:34,451 WARN L193 SmtUtils]: Spent 7.41 s on a formula simplification. DAG size of input: 1394 DAG size of output: 941 [2020-08-22 18:21:34,666 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 245 [2020-08-22 18:21:36,251 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 210 [2020-08-22 18:21:36,654 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 211 [2020-08-22 18:21:37,339 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 242 [2020-08-22 18:21:37,972 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 242 [2020-08-22 18:21:39,093 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 245 [2020-08-22 18:21:51,083 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 245 [2020-08-22 18:21:52,657 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 210 [2020-08-22 18:21:53,060 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 211 [2020-08-22 18:21:53,744 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 242 [2020-08-22 18:21:54,375 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 242 [2020-08-22 18:21:55,495 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 245 [2020-08-22 18:21:58,828 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 210 [2020-08-22 18:21:59,073 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 207 [2020-08-22 18:21:59,175 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 209 [2020-08-22 18:21:59,765 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 207 [2020-08-22 18:21:59,886 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 207 [2020-08-22 18:22:00,056 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 207 [2020-08-22 18:22:00,238 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 207 [2020-08-22 18:22:00,511 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 200 [2020-08-22 18:22:00,638 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 207 [2020-08-22 18:22:00,807 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 210 [2020-08-22 18:22:00,933 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 203 [2020-08-22 18:22:01,040 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 203 [2020-08-22 18:22:01,151 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 203 [2020-08-22 18:22:01,365 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 210 [2020-08-22 18:22:01,912 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 215 [2020-08-22 18:22:02,073 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 215 [2020-08-22 18:22:02,193 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 211 [2020-08-22 18:22:02,327 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 211 [2020-08-22 18:22:02,463 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 215 [2020-08-22 18:22:02,609 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 215 [2020-08-22 18:22:02,891 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 200 [2020-08-22 18:22:03,041 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 207 [2020-08-22 18:22:03,260 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 214 [2020-08-22 18:22:03,452 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 214 [2020-08-22 18:22:03,709 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 200 [2020-08-22 18:22:03,983 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 200 [2020-08-22 18:22:04,251 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 209 [2020-08-22 18:22:04,409 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 210 [2020-08-22 18:22:04,526 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 209 [2020-08-22 18:22:05,005 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 203 [2020-08-22 18:22:05,420 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 207 [2020-08-22 18:22:05,563 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 210 [2020-08-22 18:22:30,151 WARN L193 SmtUtils]: Spent 20.35 s on a formula simplification. DAG size of input: 2222 DAG size of output: 1448 [2020-08-22 18:22:30,495 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 197 [2020-08-22 18:22:47,342 WARN L193 SmtUtils]: Spent 14.99 s on a formula simplification. DAG size of input: 1940 DAG size of output: 1140 [2020-08-22 18:22:47,582 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 211 [2020-08-22 18:22:48,363 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 209 [2020-08-22 18:22:48,522 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 208 [2020-08-22 18:22:48,631 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 211 [2020-08-22 18:22:49,938 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-08-22 18:22:51,671 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-08-22 18:22:52,950 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 201 [2020-08-22 18:22:56,654 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 199 [2020-08-22 18:23:08,492 WARN L193 SmtUtils]: Spent 11.49 s on a formula simplification. DAG size of input: 1710 DAG size of output: 1060 [2020-08-22 18:23:11,424 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 221 [2020-08-22 18:23:11,753 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 244 [2020-08-22 18:23:12,253 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 243 [2020-08-22 18:23:12,994 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 240 [2020-08-22 18:23:13,282 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 244 [2020-08-22 18:23:29,197 WARN L193 SmtUtils]: Spent 15.62 s on a formula simplification. DAG size of input: 1940 DAG size of output: 1140 [2020-08-22 18:23:49,612 WARN L193 SmtUtils]: Spent 15.23 s on a formula simplification. DAG size of input: 1940 DAG size of output: 1140 [2020-08-22 18:23:56,050 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 210 [2020-08-22 18:24:02,728 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 225 [2020-08-22 18:24:03,607 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 209 [2020-08-22 18:24:04,240 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 215 [2020-08-22 18:24:04,394 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 215 [2020-08-22 18:24:04,514 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 211 [2020-08-22 18:24:04,639 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 211 [2020-08-22 18:24:04,756 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 215 [2020-08-22 18:24:04,897 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 215 [2020-08-22 18:24:05,243 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 214 [2020-08-22 18:24:05,430 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 214 [2020-08-22 18:24:05,801 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 209 [2020-08-22 18:24:12,994 WARN L193 SmtUtils]: Spent 6.98 s on a formula simplification. DAG size of input: 1370 DAG size of output: 854 [2020-08-22 18:24:26,144 WARN L193 SmtUtils]: Spent 5.79 s on a formula simplification. DAG size of input: 1432 DAG size of output: 810 [2020-08-22 18:24:29,370 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 209 [2020-08-22 18:24:29,486 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 209 [2020-08-22 18:24:29,952 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 209 [2020-08-22 18:24:30,080 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 209 [2020-08-22 18:24:30,222 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 209 [2020-08-22 18:24:30,345 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 209 [2020-08-22 18:24:30,490 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 209 [2020-08-22 18:24:30,812 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 211 [2020-08-22 18:24:31,008 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-08-22 18:24:31,124 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 211 [2020-08-22 18:24:31,409 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 211 [2020-08-22 18:24:31,881 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-08-22 18:24:31,992 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-08-22 18:24:32,880 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 211 [2020-08-22 18:24:33,124 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 211 [2020-08-22 18:24:33,239 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-08-22 18:24:33,367 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-08-22 18:24:34,072 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 209 [2020-08-22 18:24:34,593 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 211 [2020-08-22 18:24:34,740 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 211 [2020-08-22 18:24:35,198 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-08-22 18:24:35,380 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-08-22 18:24:35,628 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 211 [2020-08-22 18:24:36,044 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 219 [2020-08-22 18:24:36,171 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 225 [2020-08-22 18:24:36,330 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 221 [2020-08-22 18:24:36,661 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 224 [2020-08-22 18:24:37,167 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 220 [2020-08-22 18:24:37,332 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 218 [2020-08-22 18:24:37,459 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 224 [2020-08-22 18:24:37,621 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 218 [2020-08-22 18:24:38,447 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 247 [2020-08-22 18:24:38,987 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 246 [2020-08-22 18:24:39,998 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 222 [2020-08-22 18:24:40,152 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 243 [2020-08-22 18:24:40,719 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 243 [2020-08-22 18:24:41,094 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 224 [2020-08-22 18:24:41,231 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 221 [2020-08-22 18:24:41,355 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 220 [2020-08-22 18:24:52,870 WARN L193 SmtUtils]: Spent 11.28 s on a formula simplification. DAG size of input: 1712 DAG size of output: 1038 [2020-08-22 18:25:03,782 WARN L193 SmtUtils]: Spent 10.91 s on a formula simplification. DAG size of input: 1438 DAG size of output: 1110 [2020-08-22 18:25:12,256 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-08-22 18:25:13,300 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 209 [2020-08-22 18:25:13,491 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 208 [2020-08-22 18:25:13,610 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 211 [2020-08-22 18:25:14,919 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-08-22 18:25:15,038 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 208 [2020-08-22 18:25:15,829 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 211 [2020-08-22 18:25:28,708 WARN L193 SmtUtils]: Spent 11.31 s on a formula simplification. DAG size of input: 1712 DAG size of output: 1038 [2020-08-22 18:25:31,202 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 220 [2020-08-22 18:25:31,708 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 202 [2020-08-22 18:25:31,813 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 220 [2020-08-22 18:25:37,796 WARN L193 SmtUtils]: Spent 5.75 s on a formula simplification. DAG size of input: 1432 DAG size of output: 810 [2020-08-22 18:25:40,403 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 211 [2020-08-22 18:25:40,528 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 211 [2020-08-22 18:25:40,662 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 211 [2020-08-22 18:25:41,180 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 211 [2020-08-22 18:25:41,327 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 211 [2020-08-22 18:25:41,938 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 211 [2020-08-22 18:25:42,071 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 211 [2020-08-22 18:25:42,179 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 206 [2020-08-22 18:25:42,428 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 211 [2020-08-22 18:25:42,802 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 227 [2020-08-22 18:25:42,959 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 230 [2020-08-22 18:25:43,087 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 232 [2020-08-22 18:25:43,243 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 229 [2020-08-22 18:25:43,366 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 232 [2020-08-22 18:25:43,836 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 230 [2020-08-22 18:25:44,149 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 229 [2020-08-22 18:25:44,267 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 227 [2020-08-22 18:25:47,190 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 199 [2020-08-22 18:25:47,401 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 199 [2020-08-22 18:25:47,763 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 201 [2020-08-22 18:25:48,281 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 202 [2020-08-22 18:25:48,385 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 201 [2020-08-22 18:25:48,784 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 230 [2020-08-22 18:25:48,917 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 228 [2020-08-22 18:25:49,086 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 227 [2020-08-22 18:25:49,418 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 228 [2020-08-22 18:25:49,949 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 225 [2020-08-22 18:25:50,140 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 226 [2020-08-22 18:25:50,274 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-08-22 18:25:50,468 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 230 [2020-08-22 18:25:51,329 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 247 [2020-08-22 18:25:51,917 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 250 [2020-08-22 18:25:52,990 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 228 [2020-08-22 18:25:53,142 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 245 [2020-08-22 18:25:53,722 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 246 [2020-08-22 18:25:54,100 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 229 [2020-08-22 18:25:54,249 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 227 [2020-08-22 18:25:54,395 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-08-22 18:25:57,468 WARN L193 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 397 DAG size of output: 40 [2020-08-22 18:25:58,742 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 324 DAG size of output: 37 [2020-08-22 18:25:59,119 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-08-22 18:26:12,430 WARN L193 SmtUtils]: Spent 13.17 s on a formula simplification. DAG size of input: 590 DAG size of output: 39 [2020-08-22 18:26:25,328 WARN L193 SmtUtils]: Spent 12.87 s on a formula simplification. DAG size of input: 590 DAG size of output: 39 [2020-08-22 18:26:50,991 WARN L193 SmtUtils]: Spent 25.63 s on a formula simplification. DAG size of input: 940 DAG size of output: 47 [2020-08-22 18:26:51,862 WARN L193 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 1 [2020-08-22 18:26:54,332 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 389 DAG size of output: 46 [2020-08-22 18:26:58,874 WARN L193 SmtUtils]: Spent 4.51 s on a formula simplification. DAG size of input: 329 DAG size of output: 27 [2020-08-22 18:26:59,445 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 1 [2020-08-22 18:27:01,179 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 334 DAG size of output: 38 [2020-08-22 18:27:06,495 WARN L193 SmtUtils]: Spent 5.19 s on a formula simplification. DAG size of input: 714 DAG size of output: 1 [2020-08-22 18:27:07,551 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 181 DAG size of output: 29 [2020-08-22 18:27:11,859 WARN L193 SmtUtils]: Spent 4.30 s on a formula simplification. DAG size of input: 332 DAG size of output: 27 [2020-08-22 18:27:12,494 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 24 [2020-08-22 18:27:13,015 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 22 [2020-08-22 18:27:13,396 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-08-22 18:27:23,182 WARN L193 SmtUtils]: Spent 9.72 s on a formula simplification. DAG size of input: 808 DAG size of output: 48 [2020-08-22 18:27:27,797 WARN L193 SmtUtils]: Spent 4.60 s on a formula simplification. DAG size of input: 336 DAG size of output: 30 [2020-08-22 18:27:28,460 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 36