/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_product56.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 18:23:16,626 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 18:23:16,629 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 18:23:16,668 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 18:23:16,669 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 18:23:16,677 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 18:23:16,680 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 18:23:16,683 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 18:23:16,686 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 18:23:16,689 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 18:23:16,691 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 18:23:16,692 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 18:23:16,692 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 18:23:16,694 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 18:23:16,696 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 18:23:16,697 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 18:23:16,698 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 18:23:16,698 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 18:23:16,702 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 18:23:16,707 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 18:23:16,709 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 18:23:16,710 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 18:23:16,712 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 18:23:16,713 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 18:23:16,715 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 18:23:16,715 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 18:23:16,715 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 18:23:16,716 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 18:23:16,717 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 18:23:16,726 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 18:23:16,726 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 18:23:16,729 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 18:23:16,730 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 18:23:16,730 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 18:23:16,732 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 18:23:16,732 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 18:23:16,733 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 18:23:16,733 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 18:23:16,733 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 18:23:16,734 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 18:23:16,735 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 18:23:16,735 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 18:23:16,751 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 18:23:16,751 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 18:23:16,752 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 18:23:16,753 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 18:23:16,753 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 18:23:16,753 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 18:23:16,753 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 18:23:16,753 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 18:23:16,754 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 18:23:16,754 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 18:23:16,755 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 18:23:16,755 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 18:23:16,755 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 18:23:16,755 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 18:23:16,756 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 18:23:16,756 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-08-22 18:23:16,756 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 18:23:16,756 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 18:23:16,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 18:23:16,757 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 18:23:16,757 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-08-22 18:23:16,757 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 18:23:16,757 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-08-22 18:23:17,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 18:23:17,073 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 18:23:17,078 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 18:23:17,080 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 18:23:17,080 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 18:23:17,080 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c [2020-08-22 18:23:17,143 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c93d58576/93f2b4e22e314e6e82a5d544e6351325/FLAG11a850700 [2020-08-22 18:23:17,690 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 18:23:17,691 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c [2020-08-22 18:23:17,702 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c93d58576/93f2b4e22e314e6e82a5d544e6351325/FLAG11a850700 [2020-08-22 18:23:17,998 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c93d58576/93f2b4e22e314e6e82a5d544e6351325 [2020-08-22 18:23:18,008 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 18:23:18,010 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 18:23:18,011 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 18:23:18,011 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 18:23:18,015 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 18:23:18,016 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 06:23:17" (1/1) ... [2020-08-22 18:23:18,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53352fed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:23:18, skipping insertion in model container [2020-08-22 18:23:18,019 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 06:23:17" (1/1) ... [2020-08-22 18:23:18,026 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 18:23:18,074 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 18:23:18,473 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 18:23:18,485 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 18:23:18,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 18:23:18,644 INFO L208 MainTranslator]: Completed translation [2020-08-22 18:23:18,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:23:18 WrapperNode [2020-08-22 18:23:18,645 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 18:23:18,645 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 18:23:18,646 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 18:23:18,646 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 18:23:18,659 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:23:18" (1/1) ... [2020-08-22 18:23:18,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:23:18" (1/1) ... [2020-08-22 18:23:18,679 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:23:18" (1/1) ... [2020-08-22 18:23:18,679 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:23:18" (1/1) ... [2020-08-22 18:23:18,710 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:23:18" (1/1) ... [2020-08-22 18:23:18,721 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:23:18" (1/1) ... [2020-08-22 18:23:18,726 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:23:18" (1/1) ... [2020-08-22 18:23:18,734 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 18:23:18,735 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 18:23:18,735 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 18:23:18,735 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 18:23:18,738 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:23:18" (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 18:23:18,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 18:23:18,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 18:23:18,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-22 18:23:18,815 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-22 18:23:18,815 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-22 18:23:18,815 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-22 18:23:18,815 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-22 18:23:18,815 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-22 18:23:18,815 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-22 18:23:18,815 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-08-22 18:23:18,816 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-22 18:23:18,816 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-22 18:23:18,817 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-22 18:23:18,817 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-08-22 18:23:18,817 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-08-22 18:23:18,817 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-22 18:23:18,818 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-22 18:23:18,818 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-22 18:23:18,818 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-22 18:23:18,819 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-22 18:23:18,820 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-22 18:23:18,820 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-08-22 18:23:18,822 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-22 18:23:18,822 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-22 18:23:18,823 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-22 18:23:18,823 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-22 18:23:18,823 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-22 18:23:18,823 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-22 18:23:18,823 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-22 18:23:18,823 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-22 18:23:18,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-22 18:23:18,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-08-22 18:23:18,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-08-22 18:23:18,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-08-22 18:23:18,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-22 18:23:18,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-22 18:23:18,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-22 18:23:18,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-22 18:23:18,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-22 18:23:18,825 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-22 18:23:18,825 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-22 18:23:18,825 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-22 18:23:18,825 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-22 18:23:18,825 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-22 18:23:18,825 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 18:23:18,826 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 18:23:18,826 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 18:23:18,826 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-22 18:23:18,826 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-22 18:23:18,827 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-22 18:23:18,827 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-22 18:23:18,827 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-22 18:23:18,827 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-22 18:23:18,827 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-22 18:23:18,827 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-08-22 18:23:18,827 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-22 18:23:18,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 18:23:18,828 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-22 18:23:18,829 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-22 18:23:18,829 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-22 18:23:18,829 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-22 18:23:18,829 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-22 18:23:18,829 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-22 18:23:18,829 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-22 18:23:18,829 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-08-22 18:23:18,829 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-08-22 18:23:18,829 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-22 18:23:18,830 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-22 18:23:18,830 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-08-22 18:23:18,830 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-08-22 18:23:18,830 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-22 18:23:18,830 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-08-22 18:23:18,830 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-22 18:23:18,831 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-22 18:23:18,831 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-22 18:23:18,831 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-22 18:23:18,831 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-22 18:23:18,832 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-22 18:23:18,832 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-22 18:23:18,832 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-22 18:23:18,833 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-08-22 18:23:18,833 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-22 18:23:18,833 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-22 18:23:18,833 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-22 18:23:18,833 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-22 18:23:18,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 18:23:18,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 18:23:18,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 18:23:18,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 18:23:18,835 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-22 18:23:18,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 18:23:18,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-22 18:23:18,836 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-22 18:23:18,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 18:23:18,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-22 18:23:18,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-22 18:23:18,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-22 18:23:18,837 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-22 18:23:18,837 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-22 18:23:18,838 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-22 18:23:18,838 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 18:23:18,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 18:23:18,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-22 18:23:18,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 18:23:19,915 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 18:23:19,915 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-22 18:23:19,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 06:23:19 BoogieIcfgContainer [2020-08-22 18:23:19,923 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 18:23:19,925 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 18:23:19,925 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 18:23:19,928 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 18:23:19,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 06:23:17" (1/3) ... [2020-08-22 18:23:19,929 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c6de314 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 06:23:19, skipping insertion in model container [2020-08-22 18:23:19,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:23:18" (2/3) ... [2020-08-22 18:23:19,930 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c6de314 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 06:23:19, skipping insertion in model container [2020-08-22 18:23:19,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 06:23:19" (3/3) ... [2020-08-22 18:23:19,931 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product56.cil.c [2020-08-22 18:23:19,941 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 18:23:19,950 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 18:23:19,963 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 18:23:19,981 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 18:23:19,981 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 18:23:19,981 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-08-22 18:23:19,981 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 18:23:19,982 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 18:23:19,982 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 18:23:19,982 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 18:23:19,982 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 18:23:20,002 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states. [2020-08-22 18:23:20,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-08-22 18:23:20,025 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:23:20,026 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 18:23:20,026 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:23:20,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:23:20,032 INFO L82 PathProgramCache]: Analyzing trace with hash -36898584, now seen corresponding path program 1 times [2020-08-22 18:23:20,039 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:23:20,039 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1596700385] [2020-08-22 18:23:20,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:23:20,101 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:23:20,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:20,739 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:23:20,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:23:20,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:20,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:23:20,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:20,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:23:20,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:20,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:23:20,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:20,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:23:20,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:20,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:23:20,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:20,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-08-22 18:23:20,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:20,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:23:20,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:20,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-08-22 18:23:20,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:20,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-08-22 18:23:20,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:20,937 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 18:23:20,939 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1596700385] [2020-08-22 18:23:20,941 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:23:20,941 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 18:23:20,942 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769757005] [2020-08-22 18:23:20,947 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 18:23:20,947 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:23:20,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 18:23:20,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-22 18:23:20,964 INFO L87 Difference]: Start difference. First operand 360 states. Second operand 4 states. [2020-08-22 18:23:22,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:23:22,493 INFO L93 Difference]: Finished difference Result 584 states and 687 transitions. [2020-08-22 18:23:22,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-22 18:23:22,496 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-08-22 18:23:22,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:23:22,518 INFO L225 Difference]: With dead ends: 584 [2020-08-22 18:23:22,518 INFO L226 Difference]: Without dead ends: 360 [2020-08-22 18:23:22,524 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 18:23:22,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-08-22 18:23:22,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 309. [2020-08-22 18:23:22,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2020-08-22 18:23:22,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 339 transitions. [2020-08-22 18:23:22,735 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 339 transitions. Word has length 160 [2020-08-22 18:23:22,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:23:22,737 INFO L479 AbstractCegarLoop]: Abstraction has 309 states and 339 transitions. [2020-08-22 18:23:22,737 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 18:23:22,737 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 339 transitions. [2020-08-22 18:23:22,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-08-22 18:23:22,742 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:23:22,743 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 18:23:22,743 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 18:23:22,743 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:23:22,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:23:22,744 INFO L82 PathProgramCache]: Analyzing trace with hash -1699569308, now seen corresponding path program 1 times [2020-08-22 18:23:22,744 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:23:22,745 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1447823760] [2020-08-22 18:23:22,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:23:22,748 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:23:22,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:23,094 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:23:23,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:23:23,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:23,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:23:23,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:23,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:23:23,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:23,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:23:23,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:23,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:23:23,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:23,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:23:23,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:23,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 18:23:23,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:23,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:23:23,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:23,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-08-22 18:23:23,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:23,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-08-22 18:23:23,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:23,248 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 18:23:23,249 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1447823760] [2020-08-22 18:23:23,249 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:23:23,249 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 18:23:23,250 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829185753] [2020-08-22 18:23:23,253 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 18:23:23,253 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:23:23,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 18:23:23,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-22 18:23:23,254 INFO L87 Difference]: Start difference. First operand 309 states and 339 transitions. Second operand 5 states. [2020-08-22 18:23:23,896 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:23:25,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:23:25,267 INFO L93 Difference]: Finished difference Result 503 states and 571 transitions. [2020-08-22 18:23:25,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 18:23:25,268 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-08-22 18:23:25,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:23:25,273 INFO L225 Difference]: With dead ends: 503 [2020-08-22 18:23:25,274 INFO L226 Difference]: Without dead ends: 349 [2020-08-22 18:23:25,277 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-22 18:23:25,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2020-08-22 18:23:25,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 299. [2020-08-22 18:23:25,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-08-22 18:23:25,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 326 transitions. [2020-08-22 18:23:25,356 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 326 transitions. Word has length 161 [2020-08-22 18:23:25,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:23:25,357 INFO L479 AbstractCegarLoop]: Abstraction has 299 states and 326 transitions. [2020-08-22 18:23:25,357 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 18:23:25,357 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 326 transitions. [2020-08-22 18:23:25,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-08-22 18:23:25,360 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:23:25,360 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 18:23:25,361 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 18:23:25,361 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:23:25,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:23:25,361 INFO L82 PathProgramCache]: Analyzing trace with hash 1512642209, now seen corresponding path program 1 times [2020-08-22 18:23:25,362 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:23:25,362 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [158814634] [2020-08-22 18:23:25,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:23:25,365 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:23:25,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:25,683 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:23:25,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:23:25,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:25,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:23:25,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:25,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:23:25,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:25,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:23:25,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:25,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:23:25,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:25,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:23:25,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:25,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-22 18:23:25,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:25,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:23:25,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:25,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:23:25,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:25,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-08-22 18:23:25,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:25,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-08-22 18:23:25,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:25,840 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 18:23:25,841 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [158814634] [2020-08-22 18:23:25,841 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:23:25,841 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-08-22 18:23:25,841 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222721341] [2020-08-22 18:23:25,842 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 18:23:25,842 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:23:25,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 18:23:25,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-08-22 18:23:25,843 INFO L87 Difference]: Start difference. First operand 299 states and 326 transitions. Second operand 11 states. [2020-08-22 18:23:26,546 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:23:26,882 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:23:27,149 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:23:27,436 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:23:27,704 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:23:27,939 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:23:29,123 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:23:31,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:23:31,964 INFO L93 Difference]: Finished difference Result 838 states and 977 transitions. [2020-08-22 18:23:31,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-08-22 18:23:31,966 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 174 [2020-08-22 18:23:31,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:23:31,975 INFO L225 Difference]: With dead ends: 838 [2020-08-22 18:23:31,976 INFO L226 Difference]: Without dead ends: 654 [2020-08-22 18:23:31,981 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 18:23:31,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2020-08-22 18:23:32,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 551. [2020-08-22 18:23:32,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 551 states. [2020-08-22 18:23:32,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 621 transitions. [2020-08-22 18:23:32,167 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 621 transitions. Word has length 174 [2020-08-22 18:23:32,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:23:32,168 INFO L479 AbstractCegarLoop]: Abstraction has 551 states and 621 transitions. [2020-08-22 18:23:32,168 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 18:23:32,168 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 621 transitions. [2020-08-22 18:23:32,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-08-22 18:23:32,171 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:23:32,172 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 18:23:32,172 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 18:23:32,172 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:23:32,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:23:32,173 INFO L82 PathProgramCache]: Analyzing trace with hash -159814954, now seen corresponding path program 1 times [2020-08-22 18:23:32,173 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:23:32,173 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1691550299] [2020-08-22 18:23:32,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:23:32,176 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:23:32,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:32,535 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:23:32,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:23:32,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:32,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:23:32,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:32,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:23:32,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:32,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:23:32,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:32,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:23:32,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:32,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:23:32,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:32,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-08-22 18:23:32,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:32,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-08-22 18:23:32,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:32,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:23:32,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:32,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-08-22 18:23:32,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:32,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-08-22 18:23:32,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:32,675 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 18:23:32,676 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1691550299] [2020-08-22 18:23:32,676 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:23:32,677 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-22 18:23:32,677 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374895356] [2020-08-22 18:23:32,677 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 18:23:32,678 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:23:32,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 18:23:32,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-08-22 18:23:32,679 INFO L87 Difference]: Start difference. First operand 551 states and 621 transitions. Second operand 10 states. [2020-08-22 18:23:33,188 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:23:34,045 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:23:34,301 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:23:35,361 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:23:35,621 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:23:35,932 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:23:36,176 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:23:36,508 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:23:36,762 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:23:37,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:23:37,892 INFO L93 Difference]: Finished difference Result 1268 states and 1523 transitions. [2020-08-22 18:23:37,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-08-22 18:23:37,893 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 179 [2020-08-22 18:23:37,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:23:37,904 INFO L225 Difference]: With dead ends: 1268 [2020-08-22 18:23:37,904 INFO L226 Difference]: Without dead ends: 832 [2020-08-22 18:23:37,907 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-08-22 18:23:37,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2020-08-22 18:23:38,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 739. [2020-08-22 18:23:38,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 739 states. [2020-08-22 18:23:38,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 835 transitions. [2020-08-22 18:23:38,252 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 835 transitions. Word has length 179 [2020-08-22 18:23:38,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:23:38,253 INFO L479 AbstractCegarLoop]: Abstraction has 739 states and 835 transitions. [2020-08-22 18:23:38,253 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 18:23:38,253 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 835 transitions. [2020-08-22 18:23:38,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-08-22 18:23:38,256 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:23:38,257 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 18:23:38,257 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 18:23:38,257 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:23:38,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:23:38,258 INFO L82 PathProgramCache]: Analyzing trace with hash 64355154, now seen corresponding path program 1 times [2020-08-22 18:23:38,258 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:23:38,258 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [881622899] [2020-08-22 18:23:38,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:23:38,261 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:23:38,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:38,511 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:23:38,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:23:38,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:38,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:23:38,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:38,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:23:38,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:38,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:23:38,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:38,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:23:38,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:38,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:23:38,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:38,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-22 18:23:38,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:38,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:23:38,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:38,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:23:38,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:38,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-08-22 18:23:38,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:38,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:23:38,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:38,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:23:38,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:38,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:23:38,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:38,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:23:38,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:38,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:23:38,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:38,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-08-22 18:23:38,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:38,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-08-22 18:23:38,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:38,703 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 18:23:38,703 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [881622899] [2020-08-22 18:23:38,703 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:23:38,704 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-08-22 18:23:38,704 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810762026] [2020-08-22 18:23:38,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 18:23:38,705 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:23:38,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 18:23:38,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-08-22 18:23:38,705 INFO L87 Difference]: Start difference. First operand 739 states and 835 transitions. Second operand 11 states. [2020-08-22 18:23:40,403 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:23:40,646 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 18:23:40,908 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-08-22 18:23:41,157 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:23:41,392 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:23:41,629 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:23:42,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:23:42,999 INFO L93 Difference]: Finished difference Result 1571 states and 1883 transitions. [2020-08-22 18:23:43,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-22 18:23:43,000 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 217 [2020-08-22 18:23:43,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:23:43,006 INFO L225 Difference]: With dead ends: 1571 [2020-08-22 18:23:43,006 INFO L226 Difference]: Without dead ends: 947 [2020-08-22 18:23:43,009 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 39 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 18:23:43,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 947 states. [2020-08-22 18:23:43,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 947 to 758. [2020-08-22 18:23:43,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 758 states. [2020-08-22 18:23:43,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 855 transitions. [2020-08-22 18:23:43,261 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 855 transitions. Word has length 217 [2020-08-22 18:23:43,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:23:43,261 INFO L479 AbstractCegarLoop]: Abstraction has 758 states and 855 transitions. [2020-08-22 18:23:43,261 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 18:23:43,262 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 855 transitions. [2020-08-22 18:23:43,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-08-22 18:23:43,265 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:23:43,265 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 18:23:43,265 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 18:23:43,266 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:23:43,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:23:43,266 INFO L82 PathProgramCache]: Analyzing trace with hash 2026418, now seen corresponding path program 1 times [2020-08-22 18:23:43,266 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:23:43,267 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [732725125] [2020-08-22 18:23:43,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:23:43,269 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:23:43,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:43,548 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:23:43,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:23:43,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:43,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:23:43,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:43,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:23:43,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:43,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:23:43,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:43,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:23:43,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:43,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:23:43,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:43,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-22 18:23:43,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:43,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:23:43,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:43,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:23:43,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:43,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-08-22 18:23:43,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:43,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:23:43,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:43,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:23:43,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:43,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:23:43,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:43,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:23:43,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:43,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:23:43,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:43,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-08-22 18:23:43,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:43,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-08-22 18:23:43,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:43,762 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 18:23:43,762 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [732725125] [2020-08-22 18:23:43,763 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:23:43,763 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-08-22 18:23:43,763 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354014878] [2020-08-22 18:23:43,764 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-22 18:23:43,764 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:23:43,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-22 18:23:43,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-08-22 18:23:43,765 INFO L87 Difference]: Start difference. First operand 758 states and 855 transitions. Second operand 14 states. [2020-08-22 18:23:44,355 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:23:44,610 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 18:23:44,864 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:23:45,142 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:23:45,383 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:23:46,531 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:23:46,783 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:23:47,076 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:23:47,384 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:23:47,643 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:23:49,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:23:49,241 INFO L93 Difference]: Finished difference Result 1612 states and 1954 transitions. [2020-08-22 18:23:49,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-08-22 18:23:49,241 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 217 [2020-08-22 18:23:49,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:23:49,248 INFO L225 Difference]: With dead ends: 1612 [2020-08-22 18:23:49,249 INFO L226 Difference]: Without dead ends: 969 [2020-08-22 18:23:49,251 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-08-22 18:23:49,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 969 states. [2020-08-22 18:23:49,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 969 to 770. [2020-08-22 18:23:49,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 770 states. [2020-08-22 18:23:49,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 770 states and 867 transitions. [2020-08-22 18:23:49,483 INFO L78 Accepts]: Start accepts. Automaton has 770 states and 867 transitions. Word has length 217 [2020-08-22 18:23:49,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:23:49,484 INFO L479 AbstractCegarLoop]: Abstraction has 770 states and 867 transitions. [2020-08-22 18:23:49,484 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-22 18:23:49,484 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 867 transitions. [2020-08-22 18:23:49,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-08-22 18:23:49,488 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:23:49,488 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 18:23:49,488 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-22 18:23:49,489 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:23:49,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:23:49,489 INFO L82 PathProgramCache]: Analyzing trace with hash 2141932335, now seen corresponding path program 1 times [2020-08-22 18:23:49,489 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:23:49,490 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1391833309] [2020-08-22 18:23:49,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:23:49,492 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:23:49,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:49,934 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:23:49,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:23:49,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:50,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:23:50,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:50,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:23:50,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:50,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:23:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:50,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:23:50,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:50,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:23:50,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:50,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-22 18:23:50,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:50,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:23:50,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:50,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:23:50,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:50,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-08-22 18:23:50,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:50,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:23:50,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:50,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:23:50,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:50,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:23:50,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:50,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:23:50,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:50,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:23:50,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:50,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-08-22 18:23:50,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:50,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-08-22 18:23:50,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:50,241 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 18:23:50,242 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1391833309] [2020-08-22 18:23:50,242 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:23:50,242 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-22 18:23:50,242 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158687921] [2020-08-22 18:23:50,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 18:23:50,244 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:23:50,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 18:23:50,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-22 18:23:50,244 INFO L87 Difference]: Start difference. First operand 770 states and 867 transitions. Second operand 8 states. [2020-08-22 18:23:50,807 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:23:51,369 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:23:54,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:23:54,497 INFO L93 Difference]: Finished difference Result 2401 states and 2938 transitions. [2020-08-22 18:23:54,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-08-22 18:23:54,498 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 217 [2020-08-22 18:23:54,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:23:54,510 INFO L225 Difference]: With dead ends: 2401 [2020-08-22 18:23:54,510 INFO L226 Difference]: Without dead ends: 1746 [2020-08-22 18:23:54,513 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 46 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=172, Invalid=530, Unknown=0, NotChecked=0, Total=702 [2020-08-22 18:23:54,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1746 states. [2020-08-22 18:23:54,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1746 to 1478. [2020-08-22 18:23:54,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1478 states. [2020-08-22 18:23:54,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 1478 states and 1690 transitions. [2020-08-22 18:23:54,992 INFO L78 Accepts]: Start accepts. Automaton has 1478 states and 1690 transitions. Word has length 217 [2020-08-22 18:23:54,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:23:54,993 INFO L479 AbstractCegarLoop]: Abstraction has 1478 states and 1690 transitions. [2020-08-22 18:23:54,993 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 18:23:54,993 INFO L276 IsEmpty]: Start isEmpty. Operand 1478 states and 1690 transitions. [2020-08-22 18:23:54,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-08-22 18:23:54,996 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:23:54,996 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:23:54,996 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-22 18:23:54,997 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:23:54,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:23:54,997 INFO L82 PathProgramCache]: Analyzing trace with hash -388346294, now seen corresponding path program 1 times [2020-08-22 18:23:54,997 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:23:54,998 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [359252505] [2020-08-22 18:23:54,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:23:55,000 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:23:55,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:55,337 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:23:55,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:23:55,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:55,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:23:55,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:55,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:23:55,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:55,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:23:55,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:55,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:23:55,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:55,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:23:55,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:55,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 18:23:55,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:55,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:23:55,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:55,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-08-22 18:23:55,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:55,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:23:55,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:55,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-08-22 18:23:55,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:55,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:23:55,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:55,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:23:55,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:55,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:23:55,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:55,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:23:55,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:55,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:23:55,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:55,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-08-22 18:23:55,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:55,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-08-22 18:23:55,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:23:55,613 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 18:23:55,613 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [359252505] [2020-08-22 18:23:55,613 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:23:55,614 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-08-22 18:23:55,614 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125113961] [2020-08-22 18:23:55,614 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-08-22 18:23:55,614 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:23:55,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-08-22 18:23:55,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-08-22 18:23:55,615 INFO L87 Difference]: Start difference. First operand 1478 states and 1690 transitions. Second operand 15 states. [2020-08-22 18:23:56,295 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-08-22 18:23:57,106 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:23:58,348 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-08-22 18:23:58,841 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-08-22 18:23:59,171 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:23:59,439 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:23:59,972 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-08-22 18:24:00,230 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:24:00,551 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:24:00,802 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:24:04,027 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-08-22 18:24:04,538 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:24:04,845 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:24:05,328 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:24:06,570 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-08-22 18:24:07,033 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-08-22 18:24:07,570 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-08-22 18:24:08,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:24:08,587 INFO L93 Difference]: Finished difference Result 4573 states and 5620 transitions. [2020-08-22 18:24:08,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2020-08-22 18:24:08,587 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 222 [2020-08-22 18:24:08,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:24:08,608 INFO L225 Difference]: With dead ends: 4573 [2020-08-22 18:24:08,608 INFO L226 Difference]: Without dead ends: 3501 [2020-08-22 18:24:08,615 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1406 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=843, Invalid=3447, Unknown=0, NotChecked=0, Total=4290 [2020-08-22 18:24:08,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3501 states. [2020-08-22 18:24:09,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3501 to 2785. [2020-08-22 18:24:09,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2785 states. [2020-08-22 18:24:09,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2785 states to 2785 states and 3161 transitions. [2020-08-22 18:24:09,948 INFO L78 Accepts]: Start accepts. Automaton has 2785 states and 3161 transitions. Word has length 222 [2020-08-22 18:24:09,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:24:09,949 INFO L479 AbstractCegarLoop]: Abstraction has 2785 states and 3161 transitions. [2020-08-22 18:24:09,949 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-08-22 18:24:09,949 INFO L276 IsEmpty]: Start isEmpty. Operand 2785 states and 3161 transitions. [2020-08-22 18:24:09,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-08-22 18:24:09,955 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:24:09,956 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:24:09,956 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-22 18:24:09,956 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:24:09,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:24:09,957 INFO L82 PathProgramCache]: Analyzing trace with hash -896402758, now seen corresponding path program 1 times [2020-08-22 18:24:09,957 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:24:09,957 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [509110134] [2020-08-22 18:24:09,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:24:10,004 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:24:10,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:10,315 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:24:10,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:24:10,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:10,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:24:10,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:10,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:24:10,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:10,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:24:10,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:10,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:24:10,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:10,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:24:10,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:10,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 18:24:10,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:10,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:24:10,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:10,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-08-22 18:24:10,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:10,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:24:10,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:10,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:24:10,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:10,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 18:24:10,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:10,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:24:10,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:10,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:24:10,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:10,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:24:10,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:10,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:24:10,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:10,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:24:10,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:10,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-22 18:24:10,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:10,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:24:10,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:10,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-08-22 18:24:10,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:10,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-08-22 18:24:10,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:10,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:24:10,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:10,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-08-22 18:24:10,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:10,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2020-08-22 18:24:10,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:10,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:24:10,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:10,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:24:10,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:10,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:24:10,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:10,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:24:10,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:10,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:24:10,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:10,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-08-22 18:24:10,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:10,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:24:10,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:10,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2020-08-22 18:24:10,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:10,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2020-08-22 18:24:10,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:10,853 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 18:24:10,853 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [509110134] [2020-08-22 18:24:10,854 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:24:10,854 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-08-22 18:24:10,854 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190198609] [2020-08-22 18:24:10,855 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-08-22 18:24:10,855 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:24:10,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-08-22 18:24:10,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2020-08-22 18:24:10,856 INFO L87 Difference]: Start difference. First operand 2785 states and 3161 transitions. Second operand 19 states. [2020-08-22 18:24:11,613 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:24:11,844 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 18:24:12,100 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:24:12,358 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:24:12,599 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:24:13,564 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-08-22 18:24:13,988 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-08-22 18:24:14,401 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-08-22 18:24:14,650 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 18:24:14,921 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:24:15,323 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-08-22 18:24:15,675 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-08-22 18:24:15,992 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-08-22 18:24:17,836 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:24:19,428 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-08-22 18:24:19,936 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-08-22 18:24:20,496 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-08-22 18:24:20,902 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:24:21,715 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:24:22,313 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-08-22 18:24:22,654 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-08-22 18:24:23,687 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-08-22 18:24:24,229 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:24:24,743 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-08-22 18:24:25,380 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 196 [2020-08-22 18:24:26,527 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2020-08-22 18:24:28,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:24:28,577 INFO L93 Difference]: Finished difference Result 6250 states and 7372 transitions. [2020-08-22 18:24:28,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2020-08-22 18:24:28,578 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 336 [2020-08-22 18:24:28,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:24:28,598 INFO L225 Difference]: With dead ends: 6250 [2020-08-22 18:24:28,598 INFO L226 Difference]: Without dead ends: 3856 [2020-08-22 18:24:28,608 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2441 ImplicationChecksByTransitivity, 9.9s TimeCoverageRelationStatistics Valid=1407, Invalid=6603, Unknown=0, NotChecked=0, Total=8010 [2020-08-22 18:24:28,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3856 states. [2020-08-22 18:24:29,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3856 to 3205. [2020-08-22 18:24:29,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3205 states. [2020-08-22 18:24:29,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3205 states to 3205 states and 3566 transitions. [2020-08-22 18:24:29,743 INFO L78 Accepts]: Start accepts. Automaton has 3205 states and 3566 transitions. Word has length 336 [2020-08-22 18:24:29,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:24:29,744 INFO L479 AbstractCegarLoop]: Abstraction has 3205 states and 3566 transitions. [2020-08-22 18:24:29,745 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-08-22 18:24:29,745 INFO L276 IsEmpty]: Start isEmpty. Operand 3205 states and 3566 transitions. [2020-08-22 18:24:29,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 516 [2020-08-22 18:24:29,755 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:24:29,756 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, 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, 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 18:24:29,756 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-22 18:24:29,757 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:24:29,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:24:29,757 INFO L82 PathProgramCache]: Analyzing trace with hash -156911650, now seen corresponding path program 1 times [2020-08-22 18:24:29,757 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:24:29,757 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1332313871] [2020-08-22 18:24:29,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:24:29,778 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:24:29,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,139 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:24:30,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:24:30,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:24:30,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:24:30,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:24:30,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:24:30,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:24:30,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 18:24:30,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:24:30,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-08-22 18:24:30,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:24:30,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:24:30,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 18:24:30,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:24:30,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:24:30,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:24:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:24:30,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:24:30,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-22 18:24:30,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:24:30,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-08-22 18:24:30,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-08-22 18:24:30,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:24:30,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:24:30,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:24:30,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:24:30,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:24:30,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:24:30,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:24:30,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:24:30,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:24:30,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-08-22 18:24:30,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:24:30,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-22 18:24:30,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:24:30,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2020-08-22 18:24:30,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2020-08-22 18:24:30,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:24:30,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:24:30,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:24:30,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:24:30,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:24:30,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:24:30,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:24:30,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:24:30,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:24:30,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2020-08-22 18:24:30,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2020-08-22 18:24:30,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2020-08-22 18:24:30,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:24:30,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2020-08-22 18:24:30,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:24:30,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:24:30,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:24:30,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:24:30,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:24:30,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2020-08-22 18:24:30,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2020-08-22 18:24:30,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:30,800 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 18:24:30,801 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1332313871] [2020-08-22 18:24:30,801 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:24:30,801 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-08-22 18:24:30,801 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843938532] [2020-08-22 18:24:30,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-08-22 18:24:30,802 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:24:30,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-08-22 18:24:30,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-08-22 18:24:30,803 INFO L87 Difference]: Start difference. First operand 3205 states and 3566 transitions. Second operand 17 states. [2020-08-22 18:24:32,598 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:24:32,862 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:24:33,143 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:24:33,421 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:24:33,671 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:24:33,922 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:24:35,319 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:24:35,684 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:24:40,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:24:40,391 INFO L93 Difference]: Finished difference Result 9026 states and 10583 transitions. [2020-08-22 18:24:40,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-08-22 18:24:40,391 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 515 [2020-08-22 18:24:40,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:24:40,420 INFO L225 Difference]: With dead ends: 9026 [2020-08-22 18:24:40,421 INFO L226 Difference]: Without dead ends: 5409 [2020-08-22 18:24:40,433 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 126 SyntacticMatches, 6 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 658 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=540, Invalid=1910, Unknown=0, NotChecked=0, Total=2450 [2020-08-22 18:24:40,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5409 states. [2020-08-22 18:24:41,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5409 to 4272. [2020-08-22 18:24:41,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4272 states. [2020-08-22 18:24:41,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4272 states to 4272 states and 4837 transitions. [2020-08-22 18:24:41,898 INFO L78 Accepts]: Start accepts. Automaton has 4272 states and 4837 transitions. Word has length 515 [2020-08-22 18:24:41,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:24:41,899 INFO L479 AbstractCegarLoop]: Abstraction has 4272 states and 4837 transitions. [2020-08-22 18:24:41,899 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-08-22 18:24:41,899 INFO L276 IsEmpty]: Start isEmpty. Operand 4272 states and 4837 transitions. [2020-08-22 18:24:41,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 526 [2020-08-22 18:24:41,913 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:24:41,913 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, 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, 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] [2020-08-22 18:24:41,914 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-22 18:24:41,914 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:24:41,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:24:41,914 INFO L82 PathProgramCache]: Analyzing trace with hash 1028081239, now seen corresponding path program 1 times [2020-08-22 18:24:41,915 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:24:41,915 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1403819046] [2020-08-22 18:24:41,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:24:41,939 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:24:41,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,374 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:24:42,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:24:42,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:24:42,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:24:42,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:24:42,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:24:42,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:24:42,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 18:24:42,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:24:42,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-08-22 18:24:42,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:24:42,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:24:42,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 18:24:42,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:24:42,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:24:42,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:24:42,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:24:42,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:24:42,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-22 18:24:42,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:24:42,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-08-22 18:24:42,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-08-22 18:24:42,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:24:42,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:24:42,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:24:42,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:24:42,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:24:42,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:24:42,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:24:42,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:24:42,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:24:42,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-08-22 18:24:42,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:24:42,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-22 18:24:42,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:24:42,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 18:24:42,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2020-08-22 18:24:42,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2020-08-22 18:24:42,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:24:42,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:24:42,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:24:42,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:24:42,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:24:42,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:24:42,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:24:42,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:24:42,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:24:42,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-08-22 18:24:42,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2020-08-22 18:24:42,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2020-08-22 18:24:42,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:24:42,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2020-08-22 18:24:42,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:24:42,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:24:42,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:24:42,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:24:42,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:24:42,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2020-08-22 18:24:42,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2020-08-22 18:24:42,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:42,983 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 18:24:42,983 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1403819046] [2020-08-22 18:24:42,984 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:24:42,984 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-08-22 18:24:42,984 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5521151] [2020-08-22 18:24:42,985 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-08-22 18:24:42,985 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:24:42,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-08-22 18:24:42,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2020-08-22 18:24:42,986 INFO L87 Difference]: Start difference. First operand 4272 states and 4837 transitions. Second operand 19 states. [2020-08-22 18:24:43,625 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:24:43,981 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:24:44,251 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 18:24:44,517 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:24:44,780 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 18:24:45,030 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:24:46,055 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:24:46,409 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:24:47,715 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:24:48,096 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:24:48,385 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:24:48,678 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:24:49,776 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:24:50,040 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:24:51,688 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:24:51,949 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:24:52,201 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:24:54,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:24:54,499 INFO L93 Difference]: Finished difference Result 8618 states and 10034 transitions. [2020-08-22 18:24:54,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-08-22 18:24:54,500 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 525 [2020-08-22 18:24:54,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:24:54,529 INFO L225 Difference]: With dead ends: 8618 [2020-08-22 18:24:54,529 INFO L226 Difference]: Without dead ends: 4773 [2020-08-22 18:24:54,544 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 921 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=694, Invalid=2846, Unknown=0, NotChecked=0, Total=3540 [2020-08-22 18:24:54,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4773 states. [2020-08-22 18:24:55,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4773 to 4173. [2020-08-22 18:24:55,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4173 states. [2020-08-22 18:24:55,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4173 states to 4173 states and 4696 transitions. [2020-08-22 18:24:55,890 INFO L78 Accepts]: Start accepts. Automaton has 4173 states and 4696 transitions. Word has length 525 [2020-08-22 18:24:55,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:24:55,891 INFO L479 AbstractCegarLoop]: Abstraction has 4173 states and 4696 transitions. [2020-08-22 18:24:55,891 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-08-22 18:24:55,891 INFO L276 IsEmpty]: Start isEmpty. Operand 4173 states and 4696 transitions. [2020-08-22 18:24:55,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523 [2020-08-22 18:24:55,905 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:24:55,905 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, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:24:55,906 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-22 18:24:55,906 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:24:55,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:24:55,906 INFO L82 PathProgramCache]: Analyzing trace with hash 1700958274, now seen corresponding path program 1 times [2020-08-22 18:24:55,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:24:55,907 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [875737107] [2020-08-22 18:24:55,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:24:55,942 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:24:55,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:56,260 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:24:56,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:24:56,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:56,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:24:56,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:56,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:24:56,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:56,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:24:56,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:57,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:24:57,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:57,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:24:57,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:57,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 18:24:57,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:57,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:24:57,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:57,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-08-22 18:24:57,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:57,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:24:57,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:57,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:24:57,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:57,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 18:24:57,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:57,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:24:57,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:57,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:24:57,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:57,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:24:57,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:57,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:24:57,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:57,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:24:57,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:57,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-22 18:24:57,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:57,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:24:57,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:57,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-08-22 18:24:57,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:57,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-08-22 18:24:57,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:57,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:24:57,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:57,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:24:57,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:57,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:24:57,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:57,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:24:57,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:57,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:24:57,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:57,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:24:57,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:57,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:24:57,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:57,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:24:57,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:57,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:24:57,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:57,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-08-22 18:24:57,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:57,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:24:57,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:57,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-22 18:24:57,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:57,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:24:57,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:57,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 18:24:57,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:57,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2020-08-22 18:24:57,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:57,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2020-08-22 18:24:57,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:57,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:24:57,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:57,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:24:57,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:57,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:24:57,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:57,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:24:57,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:57,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:24:57,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:57,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:24:57,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:57,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:24:57,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:57,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:24:57,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:57,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:24:57,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:57,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2020-08-22 18:24:57,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:57,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2020-08-22 18:24:57,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:57,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:24:57,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:57,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2020-08-22 18:24:57,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:57,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:24:57,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:57,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:24:57,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:57,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:24:57,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:57,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:24:57,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:57,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:24:57,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:57,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2020-08-22 18:24:57,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:57,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2020-08-22 18:24:57,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:24:57,509 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 18:24:57,509 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [875737107] [2020-08-22 18:24:57,509 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:24:57,509 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-08-22 18:24:57,510 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319773973] [2020-08-22 18:24:57,510 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-08-22 18:24:57,511 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:24:57,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-08-22 18:24:57,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2020-08-22 18:24:57,511 INFO L87 Difference]: Start difference. First operand 4173 states and 4696 transitions. Second operand 17 states. [2020-08-22 18:24:58,065 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:24:59,136 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:25:03,777 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:25:04,061 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:25:04,351 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:25:04,635 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:25:04,909 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:25:05,192 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 18:25:05,452 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:25:05,743 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:25:06,027 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:25:06,319 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:25:06,603 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 18:25:06,882 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:25:07,398 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 197 [2020-08-22 18:25:07,682 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 18:25:08,204 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-08-22 18:25:08,495 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:25:08,798 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-08-22 18:25:09,085 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-08-22 18:25:13,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:25:13,207 INFO L93 Difference]: Finished difference Result 13279 states and 15575 transitions. [2020-08-22 18:25:13,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2020-08-22 18:25:13,208 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 522 [2020-08-22 18:25:13,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:25:13,253 INFO L225 Difference]: With dead ends: 13279 [2020-08-22 18:25:13,253 INFO L226 Difference]: Without dead ends: 9234 [2020-08-22 18:25:13,269 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 129 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1214 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=840, Invalid=3582, Unknown=0, NotChecked=0, Total=4422 [2020-08-22 18:25:13,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9234 states. [2020-08-22 18:25:15,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9234 to 8107. [2020-08-22 18:25:15,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8107 states. [2020-08-22 18:25:15,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8107 states to 8107 states and 9040 transitions. [2020-08-22 18:25:15,975 INFO L78 Accepts]: Start accepts. Automaton has 8107 states and 9040 transitions. Word has length 522 [2020-08-22 18:25:15,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:25:15,976 INFO L479 AbstractCegarLoop]: Abstraction has 8107 states and 9040 transitions. [2020-08-22 18:25:15,976 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-08-22 18:25:15,976 INFO L276 IsEmpty]: Start isEmpty. Operand 8107 states and 9040 transitions. [2020-08-22 18:25:15,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 528 [2020-08-22 18:25:15,998 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:25:15,999 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, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:25:15,999 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-08-22 18:25:15,999 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:25:15,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:25:16,000 INFO L82 PathProgramCache]: Analyzing trace with hash -1988901491, now seen corresponding path program 1 times [2020-08-22 18:25:16,000 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:25:16,000 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1173127682] [2020-08-22 18:25:16,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:25:16,030 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:25:16,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,327 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:25:16,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:25:16,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:25:16,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:25:16,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:25:16,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:25:16,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:25:16,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 18:25:16,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-08-22 18:25:16,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-08-22 18:25:16,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-08-22 18:25:16,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:25:16,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:25:16,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 18:25:16,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:25:16,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:25:16,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:25:16,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:25:16,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:25:16,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-22 18:25:16,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:25:16,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-08-22 18:25:16,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-08-22 18:25:16,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:25:16,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:25:16,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:25:16,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:25:16,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:25:16,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:25:16,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:25:16,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:25:16,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:25:16,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-08-22 18:25:16,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:25:16,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-22 18:25:16,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:25:16,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 18:25:16,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2020-08-22 18:25:16,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2020-08-22 18:25:16,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:25:16,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:25:16,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:25:16,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:25:16,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:25:16,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:25:16,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:25:16,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:25:16,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:25:16,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2020-08-22 18:25:16,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2020-08-22 18:25:16,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:25:16,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2020-08-22 18:25:16,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:25:16,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:25:16,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:25:16,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:25:16,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:25:16,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2020-08-22 18:25:16,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:16,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2020-08-22 18:25:16,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:17,200 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 18:25:17,201 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1173127682] [2020-08-22 18:25:17,201 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:25:17,201 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2020-08-22 18:25:17,202 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275166364] [2020-08-22 18:25:17,203 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-08-22 18:25:17,203 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:25:17,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-08-22 18:25:17,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2020-08-22 18:25:17,204 INFO L87 Difference]: Start difference. First operand 8107 states and 9040 transitions. Second operand 23 states. [2020-08-22 18:25:18,017 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:25:18,381 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:25:18,661 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 18:25:18,939 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:25:19,206 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 18:25:19,462 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:25:20,447 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:25:26,752 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:25:27,191 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:25:27,637 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:25:28,068 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:25:28,477 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:25:28,895 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:25:29,288 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:25:29,715 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:25:30,119 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:25:30,602 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:25:31,013 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:25:31,443 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:25:32,019 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-08-22 18:25:32,667 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-08-22 18:25:33,172 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-08-22 18:25:38,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:25:38,350 INFO L93 Difference]: Finished difference Result 17551 states and 20660 transitions. [2020-08-22 18:25:38,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2020-08-22 18:25:38,350 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 527 [2020-08-22 18:25:38,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:25:38,395 INFO L225 Difference]: With dead ends: 17551 [2020-08-22 18:25:38,396 INFO L226 Difference]: Without dead ends: 10160 [2020-08-22 18:25:38,417 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 137 SyntacticMatches, 1 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2106 ImplicationChecksByTransitivity, 9.6s TimeCoverageRelationStatistics Valid=1289, Invalid=6021, Unknown=0, NotChecked=0, Total=7310 [2020-08-22 18:25:38,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10160 states. [2020-08-22 18:25:40,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10160 to 7463. [2020-08-22 18:25:40,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7463 states. [2020-08-22 18:25:40,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7463 states to 7463 states and 8316 transitions. [2020-08-22 18:25:40,922 INFO L78 Accepts]: Start accepts. Automaton has 7463 states and 8316 transitions. Word has length 527 [2020-08-22 18:25:40,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:25:40,923 INFO L479 AbstractCegarLoop]: Abstraction has 7463 states and 8316 transitions. [2020-08-22 18:25:40,923 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-08-22 18:25:40,923 INFO L276 IsEmpty]: Start isEmpty. Operand 7463 states and 8316 transitions. [2020-08-22 18:25:40,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 528 [2020-08-22 18:25:40,938 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:25:40,938 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, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:25:40,938 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-08-22 18:25:40,939 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:25:40,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:25:40,939 INFO L82 PathProgramCache]: Analyzing trace with hash 1027511181, now seen corresponding path program 2 times [2020-08-22 18:25:40,939 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:25:40,939 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1070078571] [2020-08-22 18:25:40,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:25:40,954 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:25:41,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,281 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:25:41,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:25:41,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:25:41,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:25:41,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:25:41,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:25:41,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:25:41,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 18:25:41,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:25:41,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-08-22 18:25:41,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:25:41,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:25:41,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 18:25:41,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:25:41,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:25:41,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:25:41,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:25:41,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:25:41,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-22 18:25:41,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:25:41,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-08-22 18:25:41,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-08-22 18:25:41,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:25:41,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:25:41,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:25:41,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:25:41,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:25:41,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:25:41,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:25:41,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:25:41,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:25:41,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-08-22 18:25:41,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:25:41,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-22 18:25:41,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:25:41,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 18:25:41,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2020-08-22 18:25:41,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2020-08-22 18:25:41,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2020-08-22 18:25:41,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:25:41,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:25:41,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:25:41,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:25:41,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:25:41,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:25:41,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:25:41,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:25:41,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:25:41,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2020-08-22 18:25:41,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2020-08-22 18:25:41,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:25:41,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2020-08-22 18:25:41,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:25:41,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:25:41,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:25:41,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:25:41,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:25:41,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2020-08-22 18:25:41,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2020-08-22 18:25:41,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:25:41,974 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 18:25:41,975 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1070078571] [2020-08-22 18:25:41,975 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:25:41,975 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-08-22 18:25:41,975 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206693315] [2020-08-22 18:25:41,976 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-22 18:25:41,976 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:25:41,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-22 18:25:41,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2020-08-22 18:25:41,976 INFO L87 Difference]: Start difference. First operand 7463 states and 8316 transitions. Second operand 18 states. [2020-08-22 18:25:42,541 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:25:43,204 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2020-08-22 18:25:44,446 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:25:44,738 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:25:45,274 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-08-22 18:25:45,551 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:25:46,075 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 193 [2020-08-22 18:25:46,342 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 18:25:46,835 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-08-22 18:25:47,147 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 18:25:47,435 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:25:47,735 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-08-22 18:25:48,022 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 18:25:48,281 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:25:49,645 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:25:49,944 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:25:50,487 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-08-22 18:25:51,042 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 196 [2020-08-22 18:25:51,559 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-08-22 18:25:52,263 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:25:52,559 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:25:56,363 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:25:57,214 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:25:57,507 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:25:58,004 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-08-22 18:25:58,516 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-08-22 18:25:58,981 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-08-22 18:26:07,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:26:07,096 INFO L93 Difference]: Finished difference Result 19612 states and 23778 transitions. [2020-08-22 18:26:07,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2020-08-22 18:26:07,097 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 527 [2020-08-22 18:26:07,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:26:07,156 INFO L225 Difference]: With dead ends: 19612 [2020-08-22 18:26:07,156 INFO L226 Difference]: Without dead ends: 15033 [2020-08-22 18:26:07,178 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 176 SyntacticMatches, 10 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4931 ImplicationChecksByTransitivity, 11.0s TimeCoverageRelationStatistics Valid=2128, Invalid=11212, Unknown=0, NotChecked=0, Total=13340 [2020-08-22 18:26:07,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15033 states. [2020-08-22 18:26:12,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15033 to 10579. [2020-08-22 18:26:12,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10579 states. [2020-08-22 18:26:12,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10579 states to 10579 states and 11694 transitions. [2020-08-22 18:26:12,145 INFO L78 Accepts]: Start accepts. Automaton has 10579 states and 11694 transitions. Word has length 527 [2020-08-22 18:26:12,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:26:12,146 INFO L479 AbstractCegarLoop]: Abstraction has 10579 states and 11694 transitions. [2020-08-22 18:26:12,146 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-22 18:26:12,146 INFO L276 IsEmpty]: Start isEmpty. Operand 10579 states and 11694 transitions. [2020-08-22 18:26:12,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 613 [2020-08-22 18:26:12,164 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:26:12,164 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, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:26:12,165 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-08-22 18:26:12,165 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:26:12,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:26:12,165 INFO L82 PathProgramCache]: Analyzing trace with hash -2088895818, now seen corresponding path program 1 times [2020-08-22 18:26:12,165 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:26:12,165 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2105726439] [2020-08-22 18:26:12,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:26:12,179 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:26:12,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,518 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:26:12,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:26:12,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:26:12,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:26:12,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:26:12,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:26:12,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:26:12,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 18:26:12,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:26:12,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-08-22 18:26:12,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:26:12,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:26:12,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 18:26:12,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:26:12,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:26:12,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:26:12,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:26:12,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:26:12,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-22 18:26:12,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:26:12,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-08-22 18:26:12,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-08-22 18:26:12,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:26:12,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:26:12,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:26:12,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:26:12,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:26:12,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:26:12,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:26:12,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:26:12,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:26:12,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-08-22 18:26:12,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:26:12,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-22 18:26:12,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:26:12,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 18:26:12,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2020-08-22 18:26:12,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2020-08-22 18:26:12,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2020-08-22 18:26:12,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:26:12,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:26:12,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:26:12,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:26:12,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:26:12,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:26:12,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:26:12,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:26:12,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:26:12,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 18:26:12,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2020-08-22 18:26:12,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2020-08-22 18:26:12,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2020-08-22 18:26:12,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:26:12,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:26:12,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 18:26:12,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:26:12,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 18:26:12,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2020-08-22 18:26:12,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2020-08-22 18:26:12,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2020-08-22 18:26:12,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:26:12,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2020-08-22 18:26:12,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:26:12,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:26:12,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:26:12,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:26:12,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:26:12,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 589 [2020-08-22 18:26:12,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:12,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2020-08-22 18:26:12,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:13,275 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 18:26:13,276 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2105726439] [2020-08-22 18:26:13,276 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:26:13,276 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-08-22 18:26:13,276 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074994187] [2020-08-22 18:26:13,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-08-22 18:26:13,277 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:26:13,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-08-22 18:26:13,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2020-08-22 18:26:13,278 INFO L87 Difference]: Start difference. First operand 10579 states and 11694 transitions. Second operand 19 states. [2020-08-22 18:26:14,252 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:26:15,743 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 18:26:20,550 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-08-22 18:26:20,848 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-08-22 18:26:21,101 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:26:21,446 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 18:26:21,683 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:26:22,111 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-08-22 18:26:29,378 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-08-22 18:26:29,663 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-08-22 18:26:29,935 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 18:26:30,221 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-08-22 18:26:30,476 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 18:26:32,902 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 192 [2020-08-22 18:26:33,379 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-08-22 18:26:37,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:26:37,164 INFO L93 Difference]: Finished difference Result 34043 states and 40923 transitions. [2020-08-22 18:26:37,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2020-08-22 18:26:37,164 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 612 [2020-08-22 18:26:37,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:26:37,242 INFO L225 Difference]: With dead ends: 34043 [2020-08-22 18:26:37,242 INFO L226 Difference]: Without dead ends: 23028 [2020-08-22 18:26:37,276 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 176 SyntacticMatches, 10 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3008 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=1772, Invalid=7540, Unknown=0, NotChecked=0, Total=9312 [2020-08-22 18:26:37,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23028 states. [2020-08-22 18:26:43,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23028 to 14608. [2020-08-22 18:26:43,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14608 states. [2020-08-22 18:26:43,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14608 states to 14608 states and 16061 transitions. [2020-08-22 18:26:43,913 INFO L78 Accepts]: Start accepts. Automaton has 14608 states and 16061 transitions. Word has length 612 [2020-08-22 18:26:43,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:26:43,913 INFO L479 AbstractCegarLoop]: Abstraction has 14608 states and 16061 transitions. [2020-08-22 18:26:43,913 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-08-22 18:26:43,914 INFO L276 IsEmpty]: Start isEmpty. Operand 14608 states and 16061 transitions. [2020-08-22 18:26:43,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 613 [2020-08-22 18:26:43,937 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:26:43,937 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, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:26:43,938 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-08-22 18:26:43,938 INFO L427 AbstractCegarLoop]: === Iteration 16 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:26:43,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:26:43,938 INFO L82 PathProgramCache]: Analyzing trace with hash 2118148886, now seen corresponding path program 1 times [2020-08-22 18:26:43,939 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:26:43,939 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [343627670] [2020-08-22 18:26:43,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:26:43,951 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:26:43,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,244 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:26:44,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:26:44,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 18:26:44,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 18:26:44,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 18:26:44,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 18:26:44,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 18:26:44,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 18:26:44,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 18:26:44,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-08-22 18:26:44,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:26:44,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:26:44,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 18:26:44,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:26:44,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:26:44,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:26:44,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:26:44,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:26:44,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-22 18:26:44,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:26:44,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-08-22 18:26:44,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-08-22 18:26:44,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:26:44,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:26:44,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:26:44,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:26:44,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:26:44,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:26:44,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:26:44,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:26:44,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:26:44,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-08-22 18:26:44,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:26:44,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-22 18:26:44,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:26:44,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 18:26:44,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2020-08-22 18:26:44,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2020-08-22 18:26:44,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2020-08-22 18:26:44,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:26:44,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:26:44,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 18:26:44,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 18:26:44,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:26:44,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 18:26:44,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 18:26:44,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 18:26:44,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:26:44,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 18:26:44,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2020-08-22 18:26:44,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2020-08-22 18:26:44,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2020-08-22 18:26:44,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:26:44,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:26:44,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 18:26:44,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:26:44,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 18:26:44,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2020-08-22 18:26:44,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2020-08-22 18:26:44,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2020-08-22 18:26:44,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 18:26:44,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2020-08-22 18:26:44,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:26:44,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:26:44,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 18:26:44,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 18:26:44,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 18:26:44,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 589 [2020-08-22 18:26:44,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2020-08-22 18:26:44,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 18:26:44,833 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 18:26:44,833 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [343627670] [2020-08-22 18:26:44,833 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 18:26:44,834 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-08-22 18:26:44,834 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661163557] [2020-08-22 18:26:44,835 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-08-22 18:26:44,835 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 18:26:44,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-08-22 18:26:44,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2020-08-22 18:26:44,835 INFO L87 Difference]: Start difference. First operand 14608 states and 16061 transitions. Second operand 19 states. [2020-08-22 18:26:45,453 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 18:26:45,703 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 18:26:45,950 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:26:46,194 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:26:46,422 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:26:50,181 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:26:50,416 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:26:50,664 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 18:26:50,915 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:26:51,166 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 18:26:51,397 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 18:26:52,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 18:26:52,616 INFO L93 Difference]: Finished difference Result 17471 states and 19460 transitions. [2020-08-22 18:26:52,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-08-22 18:26:52,616 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 612 [2020-08-22 18:26:52,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 18:26:52,621 INFO L225 Difference]: With dead ends: 17471 [2020-08-22 18:26:52,621 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 18:26:52,653 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 431 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=572, Invalid=1780, Unknown=0, NotChecked=0, Total=2352 [2020-08-22 18:26:52,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 18:26:52,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 18:26:52,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 18:26:52,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 18:26:52,656 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 612 [2020-08-22 18:26:52,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 18:26:52,656 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 18:26:52,656 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-08-22 18:26:52,657 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 18:26:52,657 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 18:26:52,657 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-08-22 18:26:52,659 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 18:26:53,136 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 201 [2020-08-22 18:26:53,647 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 202 [2020-08-22 18:26:53,888 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 199 [2020-08-22 18:26:54,111 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 203 [2020-08-22 18:26:58,454 WARN L193 SmtUtils]: Spent 4.14 s on a formula simplification. DAG size of input: 874 DAG size of output: 586 [2020-08-22 18:27:04,624 WARN L193 SmtUtils]: Spent 6.17 s on a formula simplification. DAG size of input: 860 DAG size of output: 657 [2020-08-22 18:27:13,355 WARN L193 SmtUtils]: Spent 4.15 s on a formula simplification. DAG size of input: 766 DAG size of output: 592 [2020-08-22 18:27:19,530 WARN L193 SmtUtils]: Spent 5.31 s on a formula simplification. DAG size of input: 946 DAG size of output: 693 [2020-08-22 18:27:19,997 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 209 [2020-08-22 18:27:20,950 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-08-22 18:27:21,445 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 208 [2020-08-22 18:27:21,960 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 211 [2020-08-22 18:27:27,936 WARN L193 SmtUtils]: Spent 5.39 s on a formula simplification. DAG size of input: 946 DAG size of output: 693 [2020-08-22 18:27:29,769 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 216 [2020-08-22 18:27:29,875 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 216 [2020-08-22 18:27:30,365 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 210 [2020-08-22 18:27:30,484 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 210 [2020-08-22 18:27:30,585 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 210 [2020-08-22 18:27:30,937 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 241 [2020-08-22 18:27:31,203 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 223 [2020-08-22 18:27:32,238 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 242 [2020-08-22 18:27:36,111 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 239 [2020-08-22 18:27:45,055 WARN L193 SmtUtils]: Spent 3.72 s on a formula simplification. DAG size of input: 874 DAG size of output: 586 [2020-08-22 18:27:47,928 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 216 [2020-08-22 18:27:48,135 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 210 [2020-08-22 18:27:55,806 WARN L193 SmtUtils]: Spent 6.45 s on a formula simplification. DAG size of input: 1012 DAG size of output: 753 [2020-08-22 18:28:02,900 WARN L193 SmtUtils]: Spent 3.78 s on a formula simplification. DAG size of input: 874 DAG size of output: 586 [2020-08-22 18:28:06,965 WARN L193 SmtUtils]: Spent 3.84 s on a formula simplification. DAG size of input: 874 DAG size of output: 586 [2020-08-22 18:28:07,729 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 209 [2020-08-22 18:28:07,832 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 206 [2020-08-22 18:28:08,559 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 209 [2020-08-22 18:28:08,664 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 206 [2020-08-22 18:28:09,408 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 209 [2020-08-22 18:28:26,020 WARN L193 SmtUtils]: Spent 3.80 s on a formula simplification. DAG size of input: 874 DAG size of output: 586 [2020-08-22 18:28:32,332 WARN L193 SmtUtils]: Spent 6.26 s on a formula simplification. DAG size of input: 1012 DAG size of output: 753 [2020-08-22 18:28:39,587 WARN L193 SmtUtils]: Spent 6.27 s on a formula simplification. DAG size of input: 1012 DAG size of output: 753 [2020-08-22 18:28:39,710 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-08-22 18:28:41,747 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 239 [2020-08-22 18:28:42,091 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-08-22 18:28:50,481 WARN L193 SmtUtils]: Spent 6.17 s on a formula simplification. DAG size of input: 1012 DAG size of output: 753 [2020-08-22 18:28:58,108 WARN L193 SmtUtils]: Spent 5.47 s on a formula simplification. DAG size of input: 946 DAG size of output: 693 [2020-08-22 18:29:04,616 WARN L193 SmtUtils]: Spent 6.38 s on a formula simplification. DAG size of input: 1012 DAG size of output: 753 [2020-08-22 18:29:06,041 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 207 [2020-08-22 18:29:06,180 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 207 [2020-08-22 18:29:06,565 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 216 [2020-08-22 18:29:06,701 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 216 [2020-08-22 18:29:06,966 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 201 [2020-08-22 18:29:07,472 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 207 [2020-08-22 18:29:07,588 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 207 [2020-08-22 18:29:08,594 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 210 [2020-08-22 18:29:08,698 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 210 [2020-08-22 18:29:09,206 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 207 [2020-08-22 18:29:14,482 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 225 [2020-08-22 18:29:20,512 WARN L193 SmtUtils]: Spent 3.84 s on a formula simplification. DAG size of input: 781 DAG size of output: 620 [2020-08-22 18:29:30,675 WARN L193 SmtUtils]: Spent 5.52 s on a formula simplification. DAG size of input: 946 DAG size of output: 693 [2020-08-22 18:29:34,900 WARN L193 SmtUtils]: Spent 3.70 s on a formula simplification. DAG size of input: 874 DAG size of output: 586 [2020-08-22 18:29:46,197 WARN L193 SmtUtils]: Spent 6.24 s on a formula simplification. DAG size of input: 1012 DAG size of output: 753 [2020-08-22 18:29:59,097 WARN L193 SmtUtils]: Spent 9.78 s on a formula simplification. DAG size of input: 1177 DAG size of output: 903 [2020-08-22 18:30:09,890 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 212 [2020-08-22 18:30:10,957 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 209 [2020-08-22 18:30:23,704 WARN L193 SmtUtils]: Spent 5.55 s on a formula simplification. DAG size of input: 960 DAG size of output: 706 [2020-08-22 18:30:31,815 WARN L193 SmtUtils]: Spent 6.18 s on a formula simplification. DAG size of input: 1012 DAG size of output: 753 [2020-08-22 18:30:41,620 WARN L193 SmtUtils]: Spent 6.36 s on a formula simplification. DAG size of input: 1012 DAG size of output: 753 [2020-08-22 18:30:43,631 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 241 [2020-08-22 18:30:43,899 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 223 [2020-08-22 18:30:44,232 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 223 [2020-08-22 18:30:44,868 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 242 [2020-08-22 18:30:46,531 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 223 [2020-08-22 18:30:46,690 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 223 [2020-08-22 18:30:46,867 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 222 [2020-08-22 18:30:47,374 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 222 [2020-08-22 18:30:47,542 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 222 [2020-08-22 18:30:47,684 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 222 [2020-08-22 18:30:47,880 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 223 [2020-08-22 18:30:48,005 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 223 [2020-08-22 18:30:48,142 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 222 [2020-08-22 18:30:48,336 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 222 [2020-08-22 18:30:48,470 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 222 [2020-08-22 18:30:48,670 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 222 [2020-08-22 18:30:49,092 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 222 [2020-08-22 18:30:49,528 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 223 [2020-08-22 18:30:51,885 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 260 DAG size of output: 35 [2020-08-22 18:30:57,189 WARN L193 SmtUtils]: Spent 5.30 s on a formula simplification. DAG size of input: 440 DAG size of output: 39 [2020-08-22 18:31:07,206 WARN L193 SmtUtils]: Spent 10.01 s on a formula simplification. DAG size of input: 534 DAG size of output: 39 [2020-08-22 18:31:08,337 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 311 DAG size of output: 35 [2020-08-22 18:31:09,507 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 217 DAG size of output: 34 [2020-08-22 18:31:10,317 WARN L193 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 34 [2020-08-22 18:31:12,103 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 266 DAG size of output: 39 [2020-08-22 18:31:13,702 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 312 DAG size of output: 44 [2020-08-22 18:31:14,074 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 18 [2020-08-22 18:31:14,903 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 24 [2020-08-22 18:31:16,609 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 260 DAG size of output: 32 [2020-08-22 18:31:16,789 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-08-22 18:31:18,434 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 260 DAG size of output: 35 [2020-08-22 18:31:18,792 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 29 [2020-08-22 18:31:19,134 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 29 [2020-08-22 18:31:27,080 WARN L193 SmtUtils]: Spent 7.94 s on a formula simplification. DAG size of input: 490 DAG size of output: 44 [2020-08-22 18:31:27,331 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 1 [2020-08-22 18:31:37,382 WARN L193 SmtUtils]: Spent 9.98 s on a formula simplification. DAG size of input: 559 DAG size of output: 39 [2020-08-22 18:31:39,061 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 431 DAG size of output: 1 [2020-08-22 18:31:39,425 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 31 [2020-08-22 18:31:49,375 WARN L193 SmtUtils]: Spent 9.94 s on a formula simplification. DAG size of input: 559 DAG size of output: 39 [2020-08-22 18:31:49,928 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 21 [2020-08-22 18:31:50,775 WARN L193 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 31 [2020-08-22 18:31:51,781 WARN L193 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 37 [2020-08-22 18:31:55,518 WARN L193 SmtUtils]: Spent 3.71 s on a formula simplification. DAG size of input: 467 DAG size of output: 36 [2020-08-22 18:31:56,944 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 241 DAG size of output: 30 [2020-08-22 18:31:57,315 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 1 [2020-08-22 18:32:01,865 WARN L193 SmtUtils]: Spent 4.51 s on a formula simplification. DAG size of input: 456 DAG size of output: 32 [2020-08-22 18:32:02,349 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 31 [2020-08-22 18:32:03,200 WARN L193 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 24 [2020-08-22 18:32:04,411 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 234 DAG size of output: 21 [2020-08-22 18:32:05,975 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 254 DAG size of output: 35 [2020-08-22 18:32:07,234 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 236 DAG size of output: 25 [2020-08-22 18:32:07,589 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-08-22 18:32:08,171 WARN L193 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 21 [2020-08-22 18:32:08,665 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 27 [2020-08-22 18:32:08,859 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-08-22 18:32:09,720 WARN L193 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 27 [2020-08-22 18:32:10,431 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 34 [2020-08-22 18:32:10,808 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 1 [2020-08-22 18:32:12,496 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 268 DAG size of output: 49 [2020-08-22 18:32:12,880 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 21 [2020-08-22 18:32:13,413 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 18 [2020-08-22 18:32:18,942 WARN L193 SmtUtils]: Spent 5.52 s on a formula simplification. DAG size of input: 440 DAG size of output: 39 [2020-08-22 18:32:19,132 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-08-22 18:32:19,396 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 1 [2020-08-22 18:32:19,800 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 25 [2020-08-22 18:32:20,171 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 1 [2020-08-22 18:32:21,397 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 256 DAG size of output: 28 [2020-08-22 18:32:22,267 WARN L193 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 27 [2020-08-22 18:32:23,044 WARN L193 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 29 [2020-08-22 18:32:24,252 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 222 DAG size of output: 31 [2020-08-22 18:32:25,101 WARN L193 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 36 [2020-08-22 18:32:25,595 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 31 [2020-08-22 18:32:25,978 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 22 [2020-08-22 18:32:26,172 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-08-22 18:32:27,085 WARN L193 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 23 [2020-08-22 18:32:28,309 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 236 DAG size of output: 24 [2020-08-22 18:32:28,657 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-08-22 18:32:28,851 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-08-22 18:32:29,362 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 25 [2020-08-22 18:32:40,455 WARN L193 SmtUtils]: Spent 11.09 s on a formula simplification. DAG size of input: 596 DAG size of output: 39 [2020-08-22 18:32:41,303 WARN L193 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 24 [2020-08-22 18:32:41,498 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 1 [2020-08-22 18:32:42,364 WARN L193 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 28 [2020-08-22 18:32:43,795 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 274 DAG size of output: 34 [2020-08-22 18:32:44,186 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 18 [2020-08-22 18:32:44,379 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 1 [2020-08-22 18:32:45,215 WARN L193 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 24 [2020-08-22 18:32:46,367 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 219 DAG size of output: 20 [2020-08-22 18:32:51,875 WARN L193 SmtUtils]: Spent 5.50 s on a formula simplification. DAG size of input: 440 DAG size of output: 39 [2020-08-22 18:32:52,779 WARN L193 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 23 [2020-08-22 18:32:58,314 WARN L193 SmtUtils]: Spent 5.52 s on a formula simplification. DAG size of input: 440 DAG size of output: 39 [2020-08-22 18:32:58,510 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 30 [2020-08-22 18:32:59,031 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 18 [2020-08-22 18:33:00,732 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 256 DAG size of output: 33 [2020-08-22 18:33:00,928 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-08-22 18:33:01,461 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 18 [2020-08-22 18:33:04,591 WARN L193 SmtUtils]: Spent 3.10 s on a formula simplification. DAG size of input: 435 DAG size of output: 42 [2020-08-22 18:33:05,109 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 18 [2020-08-22 18:33:05,365 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 1 [2020-08-22 18:33:06,970 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 310 DAG size of output: 32 [2020-08-22 18:33:07,160 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 30 [2020-08-22 18:33:07,693 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2020-08-22 18:33:08,907 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 234 DAG size of output: 21 [2020-08-22 18:33:09,295 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 1 [2020-08-22 18:33:09,659 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-08-22 18:33:11,609 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 262 DAG size of output: 33 [2020-08-22 18:33:12,175 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 24 [2020-08-22 18:33:13,962 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 264 DAG size of output: 32 [2020-08-22 18:33:14,159 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-08-22 18:33:15,674 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 279 DAG size of output: 34 [2020-08-22 18:33:21,259 WARN L193 SmtUtils]: Spent 5.55 s on a formula simplification. DAG size of input: 440 DAG size of output: 39 [2020-08-22 18:33:21,811 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 21 [2020-08-22 18:33:32,895 WARN L193 SmtUtils]: Spent 11.08 s on a formula simplification. DAG size of input: 596 DAG size of output: 39 [2020-08-22 18:33:34,710 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 287 DAG size of output: 40 [2020-08-22 18:33:45,861 WARN L193 SmtUtils]: Spent 11.15 s on a formula simplification. DAG size of input: 596 DAG size of output: 39 [2020-08-22 18:33:49,982 WARN L193 SmtUtils]: Spent 4.10 s on a formula simplification. DAG size of input: 430 DAG size of output: 37 [2020-08-22 18:33:54,082 WARN L193 SmtUtils]: Spent 4.08 s on a formula simplification. DAG size of input: 430 DAG size of output: 37 [2020-08-22 18:34:05,206 WARN L193 SmtUtils]: Spent 11.12 s on a formula simplification. DAG size of input: 596 DAG size of output: 39 [2020-08-22 18:34:06,022 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 27 [2020-08-22 18:34:07,526 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 279 DAG size of output: 34 [2020-08-22 18:34:07,795 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 1 [2020-08-22 18:34:08,160 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 29 [2020-08-22 18:34:09,534 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 220 DAG size of output: 36 [2020-08-22 18:34:19,707 WARN L193 SmtUtils]: Spent 10.17 s on a formula simplification. DAG size of input: 559 DAG size of output: 39 [2020-08-22 18:34:21,081 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 220 DAG size of output: 36 [2020-08-22 18:34:32,250 WARN L193 SmtUtils]: Spent 11.15 s on a formula simplification. DAG size of input: 596 DAG size of output: 39 [2020-08-22 18:34:34,304 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 273 DAG size of output: 45 [2020-08-22 18:34:35,486 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 217 DAG size of output: 32 [2020-08-22 18:34:35,692 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-08-22 18:34:36,970 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 221 DAG size of output: 27 [2020-08-22 18:34:37,332 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-08-22 18:34:39,104 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 286 DAG size of output: 39 [2020-08-22 18:34:39,475 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 1 [2020-08-22 18:34:40,361 WARN L193 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 27 [2020-08-22 18:34:41,822 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 256 DAG size of output: 33 [2020-08-22 18:34:43,714 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 262 DAG size of output: 33 [2020-08-22 18:34:43,970 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 27 [2020-08-22 18:34:44,657 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 25 [2020-08-22 18:34:45,854 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 227 DAG size of output: 43 [2020-08-22 18:34:46,118 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 1 [2020-08-22 18:34:47,080 WARN L193 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 27 [2020-08-22 18:34:47,502 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-08-22 18:34:49,427 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 264 DAG size of output: 32 [2020-08-22 18:34:50,530 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 311 DAG size of output: 30 [2020-08-22 18:34:52,358 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 264 DAG size of output: 32 [2020-08-22 18:34:54,373 WARN L193 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 260 DAG size of output: 35 [2020-08-22 18:34:54,578 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-08-22 18:34:55,755 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 256 DAG size of output: 28 [2020-08-22 18:34:56,641 WARN L193 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 34 [2020-08-22 18:35:03,087 WARN L193 SmtUtils]: Spent 6.44 s on a formula simplification. DAG size of input: 502 DAG size of output: 38 [2020-08-22 18:35:03,998 WARN L193 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 31 [2020-08-22 18:35:04,902 WARN L193 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 34 [2020-08-22 18:35:05,598 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 25 [2020-08-22 18:35:06,641 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 213 DAG size of output: 31 [2020-08-22 18:35:07,495 WARN L193 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 34 [2020-08-22 18:35:08,821 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 305 DAG size of output: 42 [2020-08-22 18:35:09,677 WARN L193 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 34 [2020-08-22 18:35:11,232 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 250 DAG size of output: 34 [2020-08-22 18:35:12,057 WARN L193 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 36 [2020-08-22 18:35:12,553 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 31 [2020-08-22 18:35:13,554 WARN L193 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 1 [2020-08-22 18:35:13,921 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 19 [2020-08-22 18:35:15,811 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 303 DAG size of output: 49 [2020-08-22 18:35:26,047 WARN L193 SmtUtils]: Spent 10.22 s on a formula simplification. DAG size of input: 559 DAG size of output: 39 [2020-08-22 18:35:26,941 WARN L193 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 36 [2020-08-22 18:35:32,531 WARN L193 SmtUtils]: Spent 5.58 s on a formula simplification. DAG size of input: 440 DAG size of output: 39 [2020-08-22 18:35:32,905 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-08-22 18:35:33,281 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-08-22 18:35:34,996 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 245 DAG size of output: 37 [2020-08-22 18:35:36,250 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 236 DAG size of output: 24 [2020-08-22 18:35:36,601 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-08-22 18:35:47,760 WARN L193 SmtUtils]: Spent 11.15 s on a formula simplification. DAG size of input: 596 DAG size of output: 39 [2020-08-22 18:35:49,364 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 254 DAG size of output: 35 [2020-08-22 18:35:49,583 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-08-22 18:35:50,567 WARN L193 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 28 [2020-08-22 18:35:52,154 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 278 DAG size of output: 34 [2020-08-22 18:35:52,633 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 23 [2020-08-22 18:35:53,059 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-08-22 18:35:54,524 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 256 DAG size of output: 33 [2020-08-22 18:36:12,857 WARN L193 SmtUtils]: Spent 18.32 s on a formula simplification. DAG size of input: 760 DAG size of output: 42 [2020-08-22 18:36:13,244 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 29 [2020-08-22 18:36:14,987 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 245 DAG size of output: 37 [2020-08-22 18:36:16,594 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 262 DAG size of output: 49 [2020-08-22 18:36:16,957 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 29 [2020-08-22 18:36:17,726 WARN L193 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 37 [2020-08-22 18:36:19,431 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 431 DAG size of output: 1 [2020-08-22 18:36:19,653 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 18:36:21,034 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 238 DAG size of output: 26 [2020-08-22 18:36:21,436 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 18