/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product47.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 12:45:49,652 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 12:45:49,655 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 12:45:49,673 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 12:45:49,673 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 12:45:49,675 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 12:45:49,677 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 12:45:49,686 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 12:45:49,689 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 12:45:49,692 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 12:45:49,694 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 12:45:49,696 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 12:45:49,696 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 12:45:49,698 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 12:45:49,700 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 12:45:49,701 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 12:45:49,703 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 12:45:49,703 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 12:45:49,705 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 12:45:49,709 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 12:45:49,714 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 12:45:49,717 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 12:45:49,718 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 12:45:49,719 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 12:45:49,721 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 12:45:49,721 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 12:45:49,722 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 12:45:49,724 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 12:45:49,724 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 12:45:49,725 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 12:45:49,725 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 12:45:49,726 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 12:45:49,727 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 12:45:49,728 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 12:45:49,729 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 12:45:49,729 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 12:45:49,729 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 12:45:49,730 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 12:45:49,730 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 12:45:49,730 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 12:45:49,732 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 12:45:49,733 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-07 12:45:49,756 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 12:45:49,757 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 12:45:49,759 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 12:45:49,759 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 12:45:49,759 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 12:45:49,759 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 12:45:49,760 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 12:45:49,760 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 12:45:49,760 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 12:45:49,760 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 12:45:49,761 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 12:45:49,761 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 12:45:49,762 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 12:45:49,762 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 12:45:49,762 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 12:45:49,762 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-07 12:45:49,763 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 12:45:49,763 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 12:45:49,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 12:45:49,763 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 12:45:49,763 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-07 12:45:49,764 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 12:45:49,764 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-07 12:45:50,026 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 12:45:50,041 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 12:45:50,045 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 12:45:50,046 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 12:45:50,047 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 12:45:50,047 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product47.cil.c [2020-07-07 12:45:50,113 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44567b2ab/cded9ac365354c02bfadccfd16554ed9/FLAGe4e7f5151 [2020-07-07 12:45:50,692 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 12:45:50,692 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product47.cil.c [2020-07-07 12:45:50,714 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44567b2ab/cded9ac365354c02bfadccfd16554ed9/FLAGe4e7f5151 [2020-07-07 12:45:50,955 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44567b2ab/cded9ac365354c02bfadccfd16554ed9 [2020-07-07 12:45:50,963 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 12:45:50,965 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 12:45:50,966 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 12:45:50,966 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 12:45:50,970 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 12:45:50,971 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 12:45:50" (1/1) ... [2020-07-07 12:45:50,974 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@351ff605 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:45:50, skipping insertion in model container [2020-07-07 12:45:50,974 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 12:45:50" (1/1) ... [2020-07-07 12:45:50,982 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 12:45:51,047 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 12:45:51,477 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 12:45:51,489 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 12:45:51,577 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 12:45:51,620 INFO L208 MainTranslator]: Completed translation [2020-07-07 12:45:51,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:45:51 WrapperNode [2020-07-07 12:45:51,621 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 12:45:51,622 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 12:45:51,622 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 12:45:51,622 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 12:45:51,632 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:45:51" (1/1) ... [2020-07-07 12:45:51,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:45:51" (1/1) ... [2020-07-07 12:45:51,655 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:45:51" (1/1) ... [2020-07-07 12:45:51,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:45:51" (1/1) ... [2020-07-07 12:45:51,689 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:45:51" (1/1) ... [2020-07-07 12:45:51,701 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:45:51" (1/1) ... [2020-07-07 12:45:51,706 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:45:51" (1/1) ... [2020-07-07 12:45:51,713 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 12:45:51,714 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 12:45:51,714 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 12:45:51,714 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 12:45:51,717 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:45:51" (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 [2020-07-07 12:45:51,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 12:45:51,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 12:45:51,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 12:45:51,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 12:45:51,791 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 12:45:51,791 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 12:45:51,791 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-07 12:45:51,791 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 12:45:51,792 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-07 12:45:51,792 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 12:45:51,792 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 12:45:51,793 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 12:45:51,793 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 12:45:51,793 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 12:45:51,793 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-07 12:45:51,793 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-07 12:45:51,793 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 12:45:51,794 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 12:45:51,794 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 12:45:51,794 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 12:45:51,795 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 12:45:51,795 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 12:45:51,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 12:45:51,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 12:45:51,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 12:45:51,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 12:45:51,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 12:45:51,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 12:45:51,798 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 12:45:51,799 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 12:45:51,799 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 12:45:51,799 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 12:45:51,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-07 12:45:51,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-07 12:45:51,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-07 12:45:51,800 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 12:45:51,800 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 12:45:51,800 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 12:45:51,800 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 12:45:51,800 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 12:45:51,800 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 12:45:51,800 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-07 12:45:51,801 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 12:45:51,801 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 12:45:51,801 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 12:45:51,801 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 12:45:51,801 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 12:45:51,801 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 12:45:51,802 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 12:45:51,802 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-07 12:45:51,802 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 12:45:51,802 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 12:45:51,802 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 12:45:51,802 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 12:45:51,803 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 12:45:51,803 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-07 12:45:51,803 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-07 12:45:51,803 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-07 12:45:51,803 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 12:45:51,803 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 12:45:51,803 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-07 12:45:51,804 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-07 12:45:51,804 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 12:45:51,804 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-07 12:45:51,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 12:45:51,804 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 12:45:51,804 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 12:45:51,804 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 12:45:51,805 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 12:45:51,805 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 12:45:51,805 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 12:45:51,805 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-07 12:45:51,805 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 12:45:51,805 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 12:45:51,805 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 12:45:51,806 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 12:45:51,806 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 12:45:51,806 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 12:45:51,806 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 12:45:51,806 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 12:45:51,806 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 12:45:51,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 12:45:51,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 12:45:51,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 12:45:51,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 12:45:51,807 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 12:45:51,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 12:45:51,807 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 12:45:51,808 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 12:45:51,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 12:45:51,808 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 12:45:51,808 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 12:45:51,808 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 12:45:51,808 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 12:45:51,809 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 12:45:51,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 12:45:51,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 12:45:51,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 12:45:52,898 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 12:45:52,898 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 12:45:52,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 12:45:52 BoogieIcfgContainer [2020-07-07 12:45:52,905 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 12:45:52,906 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 12:45:52,906 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 12:45:52,910 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 12:45:52,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 12:45:50" (1/3) ... [2020-07-07 12:45:52,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22a632c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 12:45:52, skipping insertion in model container [2020-07-07 12:45:52,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:45:51" (2/3) ... [2020-07-07 12:45:52,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22a632c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 12:45:52, skipping insertion in model container [2020-07-07 12:45:52,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 12:45:52" (3/3) ... [2020-07-07 12:45:52,913 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product47.cil.c [2020-07-07 12:45:52,924 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-07 12:45:52,933 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 12:45:52,947 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 12:45:52,968 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 12:45:52,969 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 12:45:52,969 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-07 12:45:52,969 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 12:45:52,969 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 12:45:52,970 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 12:45:52,970 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 12:45:52,970 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 12:45:52,992 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states. [2020-07-07 12:45:53,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-07-07 12:45:53,013 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:45:53,015 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] [2020-07-07 12:45:53,015 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:45:53,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:45:53,021 INFO L82 PathProgramCache]: Analyzing trace with hash 41211657, now seen corresponding path program 1 times [2020-07-07 12:45:53,031 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:45:53,032 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1916343196] [2020-07-07 12:45:53,034 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:45:53,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,805 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:45:53,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:54,011 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-07 12:45:54,012 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:45:54,017 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1916343196] [2020-07-07 12:45:54,020 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:45:54,021 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 12:45:54,022 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007480656] [2020-07-07 12:45:54,037 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 12:45:54,039 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:45:54,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 12:45:54,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 12:45:54,056 INFO L87 Difference]: Start difference. First operand 334 states. Second operand 4 states. [2020-07-07 12:45:55,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:45:55,476 INFO L93 Difference]: Finished difference Result 530 states and 624 transitions. [2020-07-07 12:45:55,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-07 12:45:55,478 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-07-07 12:45:55,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:45:55,496 INFO L225 Difference]: With dead ends: 530 [2020-07-07 12:45:55,497 INFO L226 Difference]: Without dead ends: 332 [2020-07-07 12:45:55,502 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 [2020-07-07 12:45:55,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2020-07-07 12:45:55,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 283. [2020-07-07 12:45:55,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2020-07-07 12:45:55,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 310 transitions. [2020-07-07 12:45:55,649 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 310 transitions. Word has length 160 [2020-07-07 12:45:55,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:45:55,650 INFO L479 AbstractCegarLoop]: Abstraction has 283 states and 310 transitions. [2020-07-07 12:45:55,650 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 12:45:55,651 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 310 transitions. [2020-07-07 12:45:55,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-07-07 12:45:55,656 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:45:55,657 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] [2020-07-07 12:45:55,657 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 12:45:55,657 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:45:55,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:45:55,658 INFO L82 PathProgramCache]: Analyzing trace with hash -902563244, now seen corresponding path program 1 times [2020-07-07 12:45:55,658 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:45:55,658 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1548387505] [2020-07-07 12:45:55,659 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:45:55,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:56,050 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:45:56,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:56,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:56,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:56,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:56,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:56,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:56,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:56,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:56,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:56,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:56,168 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-07 12:45:56,168 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:45:56,169 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1548387505] [2020-07-07 12:45:56,169 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:45:56,169 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-07 12:45:56,169 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73476713] [2020-07-07 12:45:56,173 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 12:45:56,173 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:45:56,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 12:45:56,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-07 12:45:56,174 INFO L87 Difference]: Start difference. First operand 283 states and 310 transitions. Second operand 5 states. [2020-07-07 12:45:56,820 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:45:57,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:45:57,919 INFO L93 Difference]: Finished difference Result 453 states and 512 transitions. [2020-07-07 12:45:57,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-07 12:45:57,920 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-07-07 12:45:57,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:45:57,925 INFO L225 Difference]: With dead ends: 453 [2020-07-07 12:45:57,925 INFO L226 Difference]: Without dead ends: 321 [2020-07-07 12:45:57,928 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 [2020-07-07 12:45:57,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2020-07-07 12:45:58,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 273. [2020-07-07 12:45:58,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2020-07-07 12:45:58,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 297 transitions. [2020-07-07 12:45:58,006 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 297 transitions. Word has length 161 [2020-07-07 12:45:58,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:45:58,007 INFO L479 AbstractCegarLoop]: Abstraction has 273 states and 297 transitions. [2020-07-07 12:45:58,007 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 12:45:58,007 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 297 transitions. [2020-07-07 12:45:58,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-07-07 12:45:58,009 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:45:58,009 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:45:58,009 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 12:45:58,009 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:45:58,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:45:58,010 INFO L82 PathProgramCache]: Analyzing trace with hash 1967698974, now seen corresponding path program 1 times [2020-07-07 12:45:58,010 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:45:58,010 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1883618633] [2020-07-07 12:45:58,010 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:45:58,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:58,364 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:45:58,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:58,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:58,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:58,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:58,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:58,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:58,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:58,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:58,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:58,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:58,669 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-07 12:45:58,669 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:45:58,670 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1883618633] [2020-07-07 12:45:58,670 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:45:58,670 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-07 12:45:58,671 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794194976] [2020-07-07 12:45:58,671 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-07 12:45:58,671 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:45:58,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-07 12:45:58,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-07-07 12:45:58,673 INFO L87 Difference]: Start difference. First operand 273 states and 297 transitions. Second operand 10 states. [2020-07-07 12:45:59,314 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:45:59,668 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:45:59,913 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:46:00,150 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:46:00,385 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:46:00,634 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:46:01,678 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:46:03,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:46:03,685 INFO L93 Difference]: Finished difference Result 734 states and 845 transitions. [2020-07-07 12:46:03,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-07 12:46:03,686 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 170 [2020-07-07 12:46:03,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:46:03,693 INFO L225 Difference]: With dead ends: 734 [2020-07-07 12:46:03,694 INFO L226 Difference]: Without dead ends: 576 [2020-07-07 12:46:03,698 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-07-07 12:46:03,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2020-07-07 12:46:03,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 503. [2020-07-07 12:46:03,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 503 states. [2020-07-07 12:46:03,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 567 transitions. [2020-07-07 12:46:03,882 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 567 transitions. Word has length 170 [2020-07-07 12:46:03,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:46:03,883 INFO L479 AbstractCegarLoop]: Abstraction has 503 states and 567 transitions. [2020-07-07 12:46:03,883 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-07 12:46:03,883 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 567 transitions. [2020-07-07 12:46:03,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-07-07 12:46:03,887 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:46:03,887 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] [2020-07-07 12:46:03,887 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 12:46:03,887 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:46:03,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:46:03,888 INFO L82 PathProgramCache]: Analyzing trace with hash -1112258490, now seen corresponding path program 1 times [2020-07-07 12:46:03,888 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:46:03,888 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1538742336] [2020-07-07 12:46:03,888 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:46:03,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:04,196 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:46:04,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:04,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:04,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:04,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:04,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:04,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:04,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:04,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:04,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:04,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:04,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:04,410 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-07-07 12:46:04,410 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:46:04,411 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1538742336] [2020-07-07 12:46:04,411 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:46:04,412 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-07 12:46:04,412 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111971476] [2020-07-07 12:46:04,413 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-07 12:46:04,413 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:46:04,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-07 12:46:04,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-07-07 12:46:04,414 INFO L87 Difference]: Start difference. First operand 503 states and 567 transitions. Second operand 10 states. [2020-07-07 12:46:05,174 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:46:06,101 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:46:06,333 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:46:07,542 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:46:07,794 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:46:08,027 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:46:08,365 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:46:08,583 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:46:08,849 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:46:09,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:46:09,616 INFO L93 Difference]: Finished difference Result 1178 states and 1405 transitions. [2020-07-07 12:46:09,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-07 12:46:09,617 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 179 [2020-07-07 12:46:09,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:46:09,623 INFO L225 Difference]: With dead ends: 1178 [2020-07-07 12:46:09,623 INFO L226 Difference]: Without dead ends: 790 [2020-07-07 12:46:09,626 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-07-07 12:46:09,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2020-07-07 12:46:09,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 701. [2020-07-07 12:46:09,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 701 states. [2020-07-07 12:46:09,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 787 transitions. [2020-07-07 12:46:09,874 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 787 transitions. Word has length 179 [2020-07-07 12:46:09,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:46:09,875 INFO L479 AbstractCegarLoop]: Abstraction has 701 states and 787 transitions. [2020-07-07 12:46:09,875 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-07 12:46:09,875 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 787 transitions. [2020-07-07 12:46:09,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-07-07 12:46:09,879 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:46:09,879 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:46:09,880 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 12:46:09,880 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:46:09,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:46:09,880 INFO L82 PathProgramCache]: Analyzing trace with hash 212621173, now seen corresponding path program 1 times [2020-07-07 12:46:09,880 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:46:09,881 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2093518589] [2020-07-07 12:46:09,881 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:46:09,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:10,167 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:46:10,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:10,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:10,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:10,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:10,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:10,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:10,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:10,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:10,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:10,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:10,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:10,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:10,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:10,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:10,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:10,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:10,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:10,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:10,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 12:46:10,459 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:46:10,459 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2093518589] [2020-07-07 12:46:10,460 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:46:10,460 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-07 12:46:10,460 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359107702] [2020-07-07 12:46:10,461 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-07 12:46:10,461 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:46:10,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-07 12:46:10,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-07-07 12:46:10,461 INFO L87 Difference]: Start difference. First operand 701 states and 787 transitions. Second operand 10 states. [2020-07-07 12:46:11,979 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:46:12,251 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 12:46:12,539 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-07 12:46:12,813 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:46:13,082 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:46:13,319 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:46:14,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:46:14,432 INFO L93 Difference]: Finished difference Result 1426 states and 1690 transitions. [2020-07-07 12:46:14,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-07 12:46:14,433 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 230 [2020-07-07 12:46:14,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:46:14,440 INFO L225 Difference]: With dead ends: 1426 [2020-07-07 12:46:14,440 INFO L226 Difference]: Without dead ends: 840 [2020-07-07 12:46:14,443 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-07-07 12:46:14,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840 states. [2020-07-07 12:46:14,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840 to 720. [2020-07-07 12:46:14,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 720 states. [2020-07-07 12:46:14,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 720 states and 807 transitions. [2020-07-07 12:46:14,717 INFO L78 Accepts]: Start accepts. Automaton has 720 states and 807 transitions. Word has length 230 [2020-07-07 12:46:14,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:46:14,718 INFO L479 AbstractCegarLoop]: Abstraction has 720 states and 807 transitions. [2020-07-07 12:46:14,718 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-07 12:46:14,718 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 807 transitions. [2020-07-07 12:46:14,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-07-07 12:46:14,722 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:46:14,722 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:46:14,722 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 12:46:14,723 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:46:14,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:46:14,723 INFO L82 PathProgramCache]: Analyzing trace with hash 880367573, now seen corresponding path program 1 times [2020-07-07 12:46:14,723 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:46:14,724 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [402947146] [2020-07-07 12:46:14,724 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:46:14,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,073 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:46:15,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 12:46:15,314 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:46:15,315 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [402947146] [2020-07-07 12:46:15,316 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:46:15,316 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-07-07 12:46:15,316 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105454943] [2020-07-07 12:46:15,317 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-07 12:46:15,317 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:46:15,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-07 12:46:15,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2020-07-07 12:46:15,319 INFO L87 Difference]: Start difference. First operand 720 states and 807 transitions. Second operand 13 states. [2020-07-07 12:46:15,917 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:46:16,181 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 12:46:16,438 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:46:16,690 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:46:16,938 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:46:17,938 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:46:18,201 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:46:18,483 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:46:18,781 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:46:19,022 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:46:20,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:46:20,544 INFO L93 Difference]: Finished difference Result 1463 states and 1728 transitions. [2020-07-07 12:46:20,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-07 12:46:20,545 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 230 [2020-07-07 12:46:20,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:46:20,553 INFO L225 Difference]: With dead ends: 1463 [2020-07-07 12:46:20,554 INFO L226 Difference]: Without dead ends: 858 [2020-07-07 12:46:20,557 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=110, Invalid=442, Unknown=0, NotChecked=0, Total=552 [2020-07-07 12:46:20,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2020-07-07 12:46:20,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 732. [2020-07-07 12:46:20,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 732 states. [2020-07-07 12:46:20,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 819 transitions. [2020-07-07 12:46:20,851 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 819 transitions. Word has length 230 [2020-07-07 12:46:20,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:46:20,851 INFO L479 AbstractCegarLoop]: Abstraction has 732 states and 819 transitions. [2020-07-07 12:46:20,851 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-07 12:46:20,852 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 819 transitions. [2020-07-07 12:46:20,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-07-07 12:46:20,856 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:46:20,857 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:46:20,857 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-07 12:46:20,857 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:46:20,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:46:20,857 INFO L82 PathProgramCache]: Analyzing trace with hash 1607472850, now seen corresponding path program 1 times [2020-07-07 12:46:20,858 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:46:20,858 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [107152100] [2020-07-07 12:46:20,858 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:46:20,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:21,197 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:46:21,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:21,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:21,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:21,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:21,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:21,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:21,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:21,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:21,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:21,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:21,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:21,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:21,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:21,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:21,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:21,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:21,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:21,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:21,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 12:46:21,449 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:46:21,449 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [107152100] [2020-07-07 12:46:21,449 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:46:21,449 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-07 12:46:21,450 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768726980] [2020-07-07 12:46:21,450 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-07 12:46:21,450 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:46:21,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-07 12:46:21,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-07 12:46:21,451 INFO L87 Difference]: Start difference. First operand 732 states and 819 transitions. Second operand 7 states. [2020-07-07 12:46:21,944 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:46:22,577 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:46:25,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:46:25,190 INFO L93 Difference]: Finished difference Result 2149 states and 2562 transitions. [2020-07-07 12:46:25,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-07 12:46:25,191 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 230 [2020-07-07 12:46:25,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:46:25,200 INFO L225 Difference]: With dead ends: 2149 [2020-07-07 12:46:25,200 INFO L226 Difference]: Without dead ends: 1532 [2020-07-07 12:46:25,203 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 45 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-07-07 12:46:25,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1532 states. [2020-07-07 12:46:25,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1532 to 1408. [2020-07-07 12:46:25,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1408 states. [2020-07-07 12:46:25,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1408 states to 1408 states and 1604 transitions. [2020-07-07 12:46:25,639 INFO L78 Accepts]: Start accepts. Automaton has 1408 states and 1604 transitions. Word has length 230 [2020-07-07 12:46:25,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:46:25,640 INFO L479 AbstractCegarLoop]: Abstraction has 1408 states and 1604 transitions. [2020-07-07 12:46:25,640 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-07 12:46:25,640 INFO L276 IsEmpty]: Start isEmpty. Operand 1408 states and 1604 transitions. [2020-07-07 12:46:25,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-07-07 12:46:25,643 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:46:25,643 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:46:25,643 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-07 12:46:25,643 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:46:25,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:46:25,644 INFO L82 PathProgramCache]: Analyzing trace with hash -1130657052, now seen corresponding path program 1 times [2020-07-07 12:46:25,644 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:46:25,644 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [202222032] [2020-07-07 12:46:25,644 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:46:25,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:25,994 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:46:26,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:26,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:26,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:26,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:26,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:26,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:26,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:26,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:26,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:26,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:26,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:26,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:26,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:26,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:26,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:26,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:26,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:26,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:26,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:26,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 12:46:26,254 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:46:26,254 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [202222032] [2020-07-07 12:46:26,254 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:46:26,255 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-07-07 12:46:26,255 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583524276] [2020-07-07 12:46:26,255 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-07 12:46:26,256 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:46:26,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-07 12:46:26,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-07-07 12:46:26,256 INFO L87 Difference]: Start difference. First operand 1408 states and 1604 transitions. Second operand 14 states. [2020-07-07 12:46:27,050 WARN L193 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-07 12:46:27,831 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:46:28,954 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-07 12:46:29,447 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-07 12:46:29,820 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:46:30,072 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:46:30,550 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-07 12:46:30,805 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:46:31,102 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:46:31,353 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:46:33,982 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-07-07 12:46:34,610 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:46:34,854 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:46:35,170 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:46:36,150 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-07 12:46:36,588 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-07-07 12:46:37,094 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-07 12:46:37,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:46:37,738 INFO L93 Difference]: Finished difference Result 4039 states and 4833 transitions. [2020-07-07 12:46:37,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-07-07 12:46:37,738 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 235 [2020-07-07 12:46:37,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:46:37,756 INFO L225 Difference]: With dead ends: 4039 [2020-07-07 12:46:37,756 INFO L226 Difference]: Without dead ends: 3023 [2020-07-07 12:46:37,761 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 617 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=499, Invalid=1853, Unknown=0, NotChecked=0, Total=2352 [2020-07-07 12:46:37,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3023 states. [2020-07-07 12:46:39,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3023 to 2589. [2020-07-07 12:46:39,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2589 states. [2020-07-07 12:46:39,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2589 states to 2589 states and 2929 transitions. [2020-07-07 12:46:39,026 INFO L78 Accepts]: Start accepts. Automaton has 2589 states and 2929 transitions. Word has length 235 [2020-07-07 12:46:39,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:46:39,027 INFO L479 AbstractCegarLoop]: Abstraction has 2589 states and 2929 transitions. [2020-07-07 12:46:39,027 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-07 12:46:39,027 INFO L276 IsEmpty]: Start isEmpty. Operand 2589 states and 2929 transitions. [2020-07-07 12:46:39,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2020-07-07 12:46:39,032 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:46:39,033 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:46:39,033 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-07 12:46:39,033 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:46:39,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:46:39,034 INFO L82 PathProgramCache]: Analyzing trace with hash 684822519, now seen corresponding path program 1 times [2020-07-07 12:46:39,034 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:46:39,034 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1154361175] [2020-07-07 12:46:39,034 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:46:39,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,368 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:46:39,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 12:46:39,829 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:46:39,829 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1154361175] [2020-07-07 12:46:39,829 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:46:39,829 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-07-07 12:46:39,830 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200848535] [2020-07-07 12:46:39,830 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-07-07 12:46:39,831 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:46:39,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-07-07 12:46:39,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2020-07-07 12:46:39,831 INFO L87 Difference]: Start difference. First operand 2589 states and 2929 transitions. Second operand 18 states. [2020-07-07 12:46:40,677 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:46:40,998 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 12:46:41,243 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:46:41,479 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:46:41,713 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:46:42,511 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-07 12:46:42,837 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-07-07 12:46:43,125 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-07-07 12:46:43,457 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:46:43,819 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 12:46:44,269 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-07-07 12:46:44,660 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-07-07 12:46:44,945 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-07 12:46:46,705 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:46:47,662 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 12:46:48,152 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-07-07 12:46:48,650 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-07 12:46:49,099 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:46:49,826 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:46:50,398 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-07-07 12:46:50,763 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-07-07 12:46:51,338 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-07-07 12:46:51,856 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 196 [2020-07-07 12:46:52,682 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-07-07 12:46:53,080 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:46:53,589 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2020-07-07 12:46:54,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:46:54,978 INFO L93 Difference]: Finished difference Result 5495 states and 6348 transitions. [2020-07-07 12:46:54,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2020-07-07 12:46:54,978 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 317 [2020-07-07 12:46:54,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:46:54,997 INFO L225 Difference]: With dead ends: 5495 [2020-07-07 12:46:54,998 INFO L226 Difference]: Without dead ends: 3283 [2020-07-07 12:46:55,007 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1431 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=934, Invalid=4322, Unknown=0, NotChecked=0, Total=5256 [2020-07-07 12:46:55,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3283 states. [2020-07-07 12:46:56,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3283 to 2995. [2020-07-07 12:46:56,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2995 states. [2020-07-07 12:46:56,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2995 states to 2995 states and 3338 transitions. [2020-07-07 12:46:56,529 INFO L78 Accepts]: Start accepts. Automaton has 2995 states and 3338 transitions. Word has length 317 [2020-07-07 12:46:56,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:46:56,530 INFO L479 AbstractCegarLoop]: Abstraction has 2995 states and 3338 transitions. [2020-07-07 12:46:56,530 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-07-07 12:46:56,530 INFO L276 IsEmpty]: Start isEmpty. Operand 2995 states and 3338 transitions. [2020-07-07 12:46:56,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 506 [2020-07-07 12:46:56,541 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:46:56,542 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:46:56,542 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-07 12:46:56,542 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:46:56,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:46:56,543 INFO L82 PathProgramCache]: Analyzing trace with hash -1969896623, now seen corresponding path program 1 times [2020-07-07 12:46:56,543 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:46:56,543 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [965941334] [2020-07-07 12:46:56,544 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:46:56,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:56,918 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:46:56,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:56,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:56,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:56,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:56,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:56,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:56,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:57,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:57,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:57,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:57,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:57,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:57,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:57,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:57,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:57,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:57,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:57,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:57,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:57,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:57,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:57,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:57,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:57,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:57,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:57,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:57,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:57,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:57,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:57,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:57,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:57,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:57,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:57,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:57,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:57,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:57,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:57,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:57,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:57,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:57,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:57,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:57,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:57,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:57,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:57,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:57,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:57,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:57,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:57,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:57,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:57,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:57,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:57,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:57,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 12:46:57,707 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:46:57,707 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [965941334] [2020-07-07 12:46:57,707 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:46:57,708 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-07-07 12:46:57,708 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471814450] [2020-07-07 12:46:57,709 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-07-07 12:46:57,710 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:46:57,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-07-07 12:46:57,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2020-07-07 12:46:57,711 INFO L87 Difference]: Start difference. First operand 2995 states and 3338 transitions. Second operand 16 states. [2020-07-07 12:46:59,158 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:46:59,406 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:46:59,679 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:46:59,954 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:47:00,191 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:47:00,433 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:47:01,883 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:47:02,162 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:47:05,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:47:05,109 INFO L93 Difference]: Finished difference Result 7995 states and 9183 transitions. [2020-07-07 12:47:05,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-07-07 12:47:05,112 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 505 [2020-07-07 12:47:05,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:47:05,137 INFO L225 Difference]: With dead ends: 7995 [2020-07-07 12:47:05,137 INFO L226 Difference]: Without dead ends: 4678 [2020-07-07 12:47:05,149 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 116 SyntacticMatches, 3 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=292, Invalid=968, Unknown=0, NotChecked=0, Total=1260 [2020-07-07 12:47:05,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4678 states. [2020-07-07 12:47:07,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4678 to 4068. [2020-07-07 12:47:07,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4068 states. [2020-07-07 12:47:07,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4068 states to 4068 states and 4617 transitions. [2020-07-07 12:47:07,102 INFO L78 Accepts]: Start accepts. Automaton has 4068 states and 4617 transitions. Word has length 505 [2020-07-07 12:47:07,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:47:07,103 INFO L479 AbstractCegarLoop]: Abstraction has 4068 states and 4617 transitions. [2020-07-07 12:47:07,103 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-07-07 12:47:07,103 INFO L276 IsEmpty]: Start isEmpty. Operand 4068 states and 4617 transitions. [2020-07-07 12:47:07,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 516 [2020-07-07 12:47:07,116 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:47:07,117 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:47:07,117 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-07 12:47:07,118 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:47:07,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:47:07,118 INFO L82 PathProgramCache]: Analyzing trace with hash 1401653272, now seen corresponding path program 1 times [2020-07-07 12:47:07,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:47:07,119 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2143310607] [2020-07-07 12:47:07,119 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:47:07,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,595 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:47:07,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:07,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:08,214 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-07-07 12:47:08,214 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:47:08,215 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2143310607] [2020-07-07 12:47:08,215 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:47:08,215 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-07-07 12:47:08,216 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617328827] [2020-07-07 12:47:08,217 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-07-07 12:47:08,217 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:47:08,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-07-07 12:47:08,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2020-07-07 12:47:08,222 INFO L87 Difference]: Start difference. First operand 4068 states and 4617 transitions. Second operand 18 states. [2020-07-07 12:47:08,786 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:47:09,130 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:47:09,378 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:47:09,634 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:47:09,883 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 12:47:10,120 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:47:11,019 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:47:11,293 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:47:12,634 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:47:12,936 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:47:13,198 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:47:13,597 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:47:14,297 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:47:14,560 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:47:15,979 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:47:16,249 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:47:16,500 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:47:18,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:47:18,272 INFO L93 Difference]: Finished difference Result 7752 states and 8888 transitions. [2020-07-07 12:47:18,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-07-07 12:47:18,278 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 515 [2020-07-07 12:47:18,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:47:18,301 INFO L225 Difference]: With dead ends: 7752 [2020-07-07 12:47:18,301 INFO L226 Difference]: Without dead ends: 4093 [2020-07-07 12:47:18,315 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 452 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=414, Invalid=1748, Unknown=0, NotChecked=0, Total=2162 [2020-07-07 12:47:18,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4093 states. [2020-07-07 12:47:19,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4093 to 3973. [2020-07-07 12:47:19,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3973 states. [2020-07-07 12:47:19,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3973 states to 3973 states and 4480 transitions. [2020-07-07 12:47:19,832 INFO L78 Accepts]: Start accepts. Automaton has 3973 states and 4480 transitions. Word has length 515 [2020-07-07 12:47:19,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:47:19,833 INFO L479 AbstractCegarLoop]: Abstraction has 3973 states and 4480 transitions. [2020-07-07 12:47:19,833 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-07-07 12:47:19,833 INFO L276 IsEmpty]: Start isEmpty. Operand 3973 states and 4480 transitions. [2020-07-07 12:47:19,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 513 [2020-07-07 12:47:19,849 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:47:19,850 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:47:19,850 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-07 12:47:19,850 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:47:19,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:47:19,851 INFO L82 PathProgramCache]: Analyzing trace with hash -832455977, now seen corresponding path program 1 times [2020-07-07 12:47:19,851 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:47:19,851 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [997821028] [2020-07-07 12:47:19,851 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:47:19,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:20,173 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:47:20,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:20,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:20,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:20,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:20,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:20,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:20,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:20,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:20,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:20,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:20,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:20,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:20,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:20,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:20,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:20,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:20,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:20,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:20,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:20,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:20,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:20,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:20,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:20,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:20,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:20,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:20,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:20,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:20,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:20,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:20,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:20,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:20,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:20,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:20,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:20,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:20,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:20,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:20,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:20,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:20,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:20,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:20,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:20,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:20,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:20,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:20,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:20,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:20,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:20,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:20,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:20,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:20,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:20,743 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-07 12:47:20,743 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:47:20,744 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [997821028] [2020-07-07 12:47:20,744 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:47:20,744 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-07-07 12:47:20,744 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969564779] [2020-07-07 12:47:20,745 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-07-07 12:47:20,745 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:47:20,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-07-07 12:47:20,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2020-07-07 12:47:20,746 INFO L87 Difference]: Start difference. First operand 3973 states and 4480 transitions. Second operand 16 states. [2020-07-07 12:47:21,205 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:47:22,234 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:47:24,322 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:47:24,630 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:47:24,951 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:47:25,286 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:47:25,619 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:47:25,905 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:47:26,167 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:47:26,436 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:47:26,698 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:47:27,008 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:47:27,263 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:47:27,528 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:47:29,133 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:47:29,625 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 195 [2020-07-07 12:47:30,080 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 192 [2020-07-07 12:47:30,354 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:47:30,645 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-07-07 12:47:31,022 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-07-07 12:47:33,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:47:33,905 INFO L93 Difference]: Finished difference Result 11397 states and 13066 transitions. [2020-07-07 12:47:33,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-07-07 12:47:33,906 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 512 [2020-07-07 12:47:33,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:47:33,946 INFO L225 Difference]: With dead ends: 11397 [2020-07-07 12:47:33,947 INFO L226 Difference]: Without dead ends: 7552 [2020-07-07 12:47:33,959 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 120 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 581 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=491, Invalid=1959, Unknown=0, NotChecked=0, Total=2450 [2020-07-07 12:47:33,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7552 states. [2020-07-07 12:47:36,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7552 to 7355. [2020-07-07 12:47:36,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7355 states. [2020-07-07 12:47:36,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7355 states to 7355 states and 8200 transitions. [2020-07-07 12:47:36,567 INFO L78 Accepts]: Start accepts. Automaton has 7355 states and 8200 transitions. Word has length 512 [2020-07-07 12:47:36,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:47:36,567 INFO L479 AbstractCegarLoop]: Abstraction has 7355 states and 8200 transitions. [2020-07-07 12:47:36,567 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-07-07 12:47:36,568 INFO L276 IsEmpty]: Start isEmpty. Operand 7355 states and 8200 transitions. [2020-07-07 12:47:36,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 518 [2020-07-07 12:47:36,590 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:47:36,591 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:47:36,591 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-07-07 12:47:36,591 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:47:36,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:47:36,592 INFO L82 PathProgramCache]: Analyzing trace with hash -1658788243, now seen corresponding path program 1 times [2020-07-07 12:47:36,592 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:47:36,592 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2096558050] [2020-07-07 12:47:36,592 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:47:36,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:36,940 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:47:36,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:36,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:36,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:36,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:36,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:37,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:37,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:37,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:37,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:37,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:37,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:37,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:37,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:37,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:37,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:37,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:37,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:37,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:37,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:37,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:37,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:37,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:37,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:37,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:37,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:37,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:37,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:37,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:37,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:37,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:37,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:37,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:37,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:37,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:37,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:37,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:37,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:37,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:37,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:37,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:37,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:37,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:37,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:37,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:37,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:37,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:37,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:37,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:37,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:37,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:37,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:37,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:37,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:37,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:37,664 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-07 12:47:37,665 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:47:37,665 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2096558050] [2020-07-07 12:47:37,665 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:47:37,665 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2020-07-07 12:47:37,666 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141034326] [2020-07-07 12:47:37,666 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-07 12:47:37,666 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:47:37,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-07 12:47:37,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2020-07-07 12:47:37,667 INFO L87 Difference]: Start difference. First operand 7355 states and 8200 transitions. Second operand 22 states. [2020-07-07 12:47:38,168 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:47:38,703 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:47:38,954 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:47:39,210 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:47:39,455 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 12:47:39,690 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:47:40,611 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:47:43,007 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:47:43,322 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:47:43,664 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:47:43,987 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:47:44,267 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:47:44,563 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:47:44,809 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:47:45,105 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:47:45,375 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:47:45,718 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:47:46,154 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:47:46,433 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:47:46,945 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 12:47:47,541 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-07-07 12:47:48,014 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 12:47:52,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:47:52,156 INFO L93 Difference]: Finished difference Result 14608 states and 16657 transitions. [2020-07-07 12:47:52,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-07-07 12:47:52,157 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 517 [2020-07-07 12:47:52,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:47:52,191 INFO L225 Difference]: With dead ends: 14608 [2020-07-07 12:47:52,191 INFO L226 Difference]: Without dead ends: 7933 [2020-07-07 12:47:52,209 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 122 SyntacticMatches, 3 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1197 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=880, Invalid=3676, Unknown=0, NotChecked=0, Total=4556 [2020-07-07 12:47:52,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7933 states. [2020-07-07 12:47:54,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7933 to 7005. [2020-07-07 12:47:54,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7005 states. [2020-07-07 12:47:54,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7005 states to 7005 states and 7765 transitions. [2020-07-07 12:47:54,602 INFO L78 Accepts]: Start accepts. Automaton has 7005 states and 7765 transitions. Word has length 517 [2020-07-07 12:47:54,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:47:54,603 INFO L479 AbstractCegarLoop]: Abstraction has 7005 states and 7765 transitions. [2020-07-07 12:47:54,603 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-07 12:47:54,603 INFO L276 IsEmpty]: Start isEmpty. Operand 7005 states and 7765 transitions. [2020-07-07 12:47:54,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 527 [2020-07-07 12:47:54,620 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:47:54,620 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-07 12:47:54,620 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-07-07 12:47:54,621 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:47:54,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:47:54,621 INFO L82 PathProgramCache]: Analyzing trace with hash 150624261, now seen corresponding path program 1 times [2020-07-07 12:47:54,621 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:47:54,621 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [456892548] [2020-07-07 12:47:54,621 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:47:54,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:54,944 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:47:54,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:54,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:54,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:54,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:54,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:55,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:55,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:55,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:55,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:55,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:55,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:55,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:55,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:55,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:55,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:55,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:55,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:55,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:55,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:55,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:55,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:55,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:55,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:55,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:55,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:55,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:55,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:55,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:55,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:55,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:55,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:55,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:55,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:55,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:55,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:55,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:55,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:55,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:55,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:55,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:55,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:55,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:55,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:55,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:55,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:55,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:55,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:55,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:55,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:55,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:55,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:55,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:55,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:55,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:55,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:55,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:55,558 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-07 12:47:55,558 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:47:55,558 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [456892548] [2020-07-07 12:47:55,558 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:47:55,559 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2020-07-07 12:47:55,559 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805587534] [2020-07-07 12:47:55,560 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-07 12:47:55,560 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:47:55,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-07 12:47:55,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2020-07-07 12:47:55,560 INFO L87 Difference]: Start difference. First operand 7005 states and 7765 transitions. Second operand 22 states. [2020-07-07 12:47:56,100 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:47:56,470 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:47:56,926 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:47:57,187 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:47:57,441 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 12:47:57,677 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:47:58,592 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:48:00,949 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:48:01,252 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:48:01,568 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:48:01,898 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:48:02,155 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:48:02,428 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:48:02,677 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:48:02,975 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:48:03,245 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:48:03,599 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:48:03,861 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:48:04,140 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:48:06,648 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 12:48:07,167 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-07-07 12:48:07,631 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 12:48:10,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:48:10,389 INFO L93 Difference]: Finished difference Result 13778 states and 15638 transitions. [2020-07-07 12:48:10,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-07-07 12:48:10,389 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 526 [2020-07-07 12:48:10,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:48:10,420 INFO L225 Difference]: With dead ends: 13778 [2020-07-07 12:48:10,420 INFO L226 Difference]: Without dead ends: 7453 [2020-07-07 12:48:10,435 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 127 SyntacticMatches, 1 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1221 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=895, Invalid=3797, Unknown=0, NotChecked=0, Total=4692 [2020-07-07 12:48:10,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7453 states. [2020-07-07 12:48:12,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7453 to 6513. [2020-07-07 12:48:12,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6513 states. [2020-07-07 12:48:12,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6513 states to 6513 states and 7213 transitions. [2020-07-07 12:48:12,619 INFO L78 Accepts]: Start accepts. Automaton has 6513 states and 7213 transitions. Word has length 526 [2020-07-07 12:48:12,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:48:12,619 INFO L479 AbstractCegarLoop]: Abstraction has 6513 states and 7213 transitions. [2020-07-07 12:48:12,620 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-07 12:48:12,620 INFO L276 IsEmpty]: Start isEmpty. Operand 6513 states and 7213 transitions. [2020-07-07 12:48:12,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 527 [2020-07-07 12:48:12,632 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:48:12,632 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-07 12:48:12,632 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-07-07 12:48:12,632 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:48:12,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:48:12,633 INFO L82 PathProgramCache]: Analyzing trace with hash -508828733, now seen corresponding path program 2 times [2020-07-07 12:48:12,633 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:48:12,633 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1182520809] [2020-07-07 12:48:12,633 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:48:12,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:12,957 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:48:12,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:12,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:12,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:12,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:12,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:12,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:12,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:13,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 12:48:13,500 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:48:13,500 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1182520809] [2020-07-07 12:48:13,500 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:48:13,500 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-07-07 12:48:13,500 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102791096] [2020-07-07 12:48:13,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-07-07 12:48:13,501 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:48:13,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-07-07 12:48:13,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-07-07 12:48:13,501 INFO L87 Difference]: Start difference. First operand 6513 states and 7213 transitions. Second operand 18 states. [2020-07-07 12:48:14,021 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:48:15,777 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:48:16,200 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:48:17,010 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-07 12:48:17,438 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:48:18,163 WARN L193 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-07-07 12:48:18,559 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:48:19,248 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-07 12:48:19,704 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:48:20,157 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:48:20,552 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:48:20,962 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:48:23,046 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:48:23,324 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:48:29,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:48:29,127 INFO L93 Difference]: Finished difference Result 13728 states and 15831 transitions. [2020-07-07 12:48:29,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-07-07 12:48:29,128 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 526 [2020-07-07 12:48:29,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:48:29,165 INFO L225 Difference]: With dead ends: 13728 [2020-07-07 12:48:29,166 INFO L226 Difference]: Without dead ends: 9831 [2020-07-07 12:48:29,180 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 140 SyntacticMatches, 5 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1005 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=719, Invalid=3063, Unknown=0, NotChecked=0, Total=3782 [2020-07-07 12:48:29,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9831 states. [2020-07-07 12:48:32,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9831 to 7762. [2020-07-07 12:48:32,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7762 states. [2020-07-07 12:48:32,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7762 states to 7762 states and 8572 transitions. [2020-07-07 12:48:32,933 INFO L78 Accepts]: Start accepts. Automaton has 7762 states and 8572 transitions. Word has length 526 [2020-07-07 12:48:32,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:48:32,934 INFO L479 AbstractCegarLoop]: Abstraction has 7762 states and 8572 transitions. [2020-07-07 12:48:32,934 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-07-07 12:48:32,934 INFO L276 IsEmpty]: Start isEmpty. Operand 7762 states and 8572 transitions. [2020-07-07 12:48:32,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 538 [2020-07-07 12:48:32,949 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:48:32,950 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:48:32,950 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-07-07 12:48:32,950 INFO L427 AbstractCegarLoop]: === Iteration 16 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:48:32,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:48:32,951 INFO L82 PathProgramCache]: Analyzing trace with hash 1830661454, now seen corresponding path program 1 times [2020-07-07 12:48:32,951 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:48:32,951 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [972289784] [2020-07-07 12:48:32,951 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:48:33,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,358 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:48:33,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:33,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 12:48:33,946 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:48:33,946 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [972289784] [2020-07-07 12:48:33,947 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:48:33,947 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-07-07 12:48:33,947 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223488263] [2020-07-07 12:48:33,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-07-07 12:48:33,948 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:48:33,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-07-07 12:48:33,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2020-07-07 12:48:33,949 INFO L87 Difference]: Start difference. First operand 7762 states and 8572 transitions. Second operand 18 states. [2020-07-07 12:48:34,541 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:48:36,046 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:48:36,314 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:48:36,587 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:48:37,045 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-07 12:48:37,314 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:48:37,788 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 193 [2020-07-07 12:48:38,043 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:48:38,497 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-07 12:48:38,800 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:48:39,121 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-07-07 12:48:39,394 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:48:39,658 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:48:40,688 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:48:40,972 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:48:41,510 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-07-07 12:48:42,104 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 197 [2020-07-07 12:48:42,608 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-07-07 12:48:43,333 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:48:43,652 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:48:46,376 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:48:47,255 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:48:47,519 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:48:47,994 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 12:48:48,501 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-07-07 12:48:48,959 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 12:48:55,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:48:55,775 INFO L93 Difference]: Finished difference Result 17887 states and 20777 transitions. [2020-07-07 12:48:55,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2020-07-07 12:48:55,775 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 537 [2020-07-07 12:48:55,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:48:55,819 INFO L225 Difference]: With dead ends: 17887 [2020-07-07 12:48:55,820 INFO L226 Difference]: Without dead ends: 13270 [2020-07-07 12:48:55,838 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 159 SyntacticMatches, 6 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3035 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=1590, Invalid=7530, Unknown=0, NotChecked=0, Total=9120 [2020-07-07 12:48:55,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13270 states. [2020-07-07 12:48:59,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13270 to 9454. [2020-07-07 12:48:59,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9454 states. [2020-07-07 12:48:59,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9454 states to 9454 states and 10410 transitions. [2020-07-07 12:48:59,092 INFO L78 Accepts]: Start accepts. Automaton has 9454 states and 10410 transitions. Word has length 537 [2020-07-07 12:48:59,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:48:59,093 INFO L479 AbstractCegarLoop]: Abstraction has 9454 states and 10410 transitions. [2020-07-07 12:48:59,093 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-07-07 12:48:59,093 INFO L276 IsEmpty]: Start isEmpty. Operand 9454 states and 10410 transitions. [2020-07-07 12:48:59,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 634 [2020-07-07 12:48:59,111 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:48:59,111 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:48:59,111 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-07-07 12:48:59,111 INFO L427 AbstractCegarLoop]: === Iteration 17 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:48:59,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:48:59,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1769293119, now seen corresponding path program 1 times [2020-07-07 12:48:59,112 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:48:59,112 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1758314037] [2020-07-07 12:48:59,112 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:48:59,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,423 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:48:59,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:59,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 12:48:59,972 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:48:59,972 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1758314037] [2020-07-07 12:48:59,972 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:48:59,973 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-07 12:48:59,973 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485755598] [2020-07-07 12:48:59,973 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 12:48:59,973 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:48:59,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 12:48:59,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-07-07 12:48:59,974 INFO L87 Difference]: Start difference. First operand 9454 states and 10410 transitions. Second operand 11 states. [2020-07-07 12:49:00,477 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:49:01,269 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:49:05,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:49:05,879 INFO L93 Difference]: Finished difference Result 11741 states and 13216 transitions. [2020-07-07 12:49:05,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-07 12:49:05,880 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 633 [2020-07-07 12:49:05,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:49:05,895 INFO L225 Difference]: With dead ends: 11741 [2020-07-07 12:49:05,895 INFO L226 Difference]: Without dead ends: 4362 [2020-07-07 12:49:05,912 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 369 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=291, Invalid=1115, Unknown=0, NotChecked=0, Total=1406 [2020-07-07 12:49:05,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4362 states. [2020-07-07 12:49:07,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4362 to 3878. [2020-07-07 12:49:07,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3878 states. [2020-07-07 12:49:07,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3878 states to 3878 states and 4166 transitions. [2020-07-07 12:49:07,471 INFO L78 Accepts]: Start accepts. Automaton has 3878 states and 4166 transitions. Word has length 633 [2020-07-07 12:49:07,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:49:07,472 INFO L479 AbstractCegarLoop]: Abstraction has 3878 states and 4166 transitions. [2020-07-07 12:49:07,472 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 12:49:07,472 INFO L276 IsEmpty]: Start isEmpty. Operand 3878 states and 4166 transitions. [2020-07-07 12:49:07,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 621 [2020-07-07 12:49:07,482 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:49:07,483 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:49:07,483 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-07-07 12:49:07,483 INFO L427 AbstractCegarLoop]: === Iteration 18 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:49:07,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:49:07,484 INFO L82 PathProgramCache]: Analyzing trace with hash -1005352654, now seen corresponding path program 1 times [2020-07-07 12:49:07,484 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:49:07,484 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1541962674] [2020-07-07 12:49:07,484 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:49:07,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:07,832 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:49:07,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:07,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:07,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:07,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:07,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:07,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:07,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:07,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:07,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:07,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:07,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:07,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:07,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:07,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:07,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:07,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:07,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:07,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:07,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:07,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:07,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:07,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:07,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:07,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:07,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:07,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:07,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:07,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:07,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:07,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:07,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:07,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:07,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:07,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:07,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:07,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:07,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:07,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:08,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:08,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:08,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:08,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:08,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:08,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:08,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:08,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:08,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:08,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:08,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:08,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:08,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:08,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:08,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:08,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:08,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:08,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:08,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:08,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:08,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:08,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:08,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:08,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:08,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:08,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:08,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:08,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:08,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:08,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:08,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:08,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 12:49:08,587 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:49:08,587 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1541962674] [2020-07-07 12:49:08,587 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:49:08,587 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-07-07 12:49:08,587 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305615496] [2020-07-07 12:49:08,588 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-07 12:49:08,588 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:49:08,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-07 12:49:08,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2020-07-07 12:49:08,588 INFO L87 Difference]: Start difference. First operand 3878 states and 4166 transitions. Second operand 17 states. [2020-07-07 12:49:09,093 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:49:09,963 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:49:10,770 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:49:11,583 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:49:11,857 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:49:12,384 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-07 12:49:12,665 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:49:13,156 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-07-07 12:49:13,407 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:49:13,850 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-07 12:49:17,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:49:17,407 INFO L93 Difference]: Finished difference Result 6809 states and 7469 transitions. [2020-07-07 12:49:17,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-07-07 12:49:17,407 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 620 [2020-07-07 12:49:17,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:49:17,420 INFO L225 Difference]: With dead ends: 6809 [2020-07-07 12:49:17,421 INFO L226 Difference]: Without dead ends: 4321 [2020-07-07 12:49:17,429 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 150 SyntacticMatches, 4 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 740 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=590, Invalid=2166, Unknown=0, NotChecked=0, Total=2756 [2020-07-07 12:49:17,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4321 states. [2020-07-07 12:49:18,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4321 to 3705. [2020-07-07 12:49:18,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3705 states. [2020-07-07 12:49:18,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3705 states to 3705 states and 3951 transitions. [2020-07-07 12:49:18,877 INFO L78 Accepts]: Start accepts. Automaton has 3705 states and 3951 transitions. Word has length 620 [2020-07-07 12:49:18,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:49:18,878 INFO L479 AbstractCegarLoop]: Abstraction has 3705 states and 3951 transitions. [2020-07-07 12:49:18,878 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-07 12:49:18,878 INFO L276 IsEmpty]: Start isEmpty. Operand 3705 states and 3951 transitions. [2020-07-07 12:49:18,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 636 [2020-07-07 12:49:18,883 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:49:18,884 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:49:18,884 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-07-07 12:49:18,884 INFO L427 AbstractCegarLoop]: === Iteration 19 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:49:18,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:49:18,884 INFO L82 PathProgramCache]: Analyzing trace with hash -814074685, now seen corresponding path program 2 times [2020-07-07 12:49:18,885 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:49:18,885 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1901153246] [2020-07-07 12:49:18,885 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:49:18,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,261 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:49:19,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:19,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 12:49:19,728 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:49:19,728 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1901153246] [2020-07-07 12:49:19,729 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:49:19,729 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-07-07 12:49:19,729 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329422674] [2020-07-07 12:49:19,729 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-07 12:49:19,730 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:49:19,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-07 12:49:19,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2020-07-07 12:49:19,730 INFO L87 Difference]: Start difference. First operand 3705 states and 3951 transitions. Second operand 14 states. [2020-07-07 12:49:20,228 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:49:20,884 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:49:21,577 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:49:24,258 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:49:27,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:49:27,783 INFO L93 Difference]: Finished difference Result 7276 states and 7952 transitions. [2020-07-07 12:49:27,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-07-07 12:49:27,783 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 635 [2020-07-07 12:49:27,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:49:27,797 INFO L225 Difference]: With dead ends: 7276 [2020-07-07 12:49:27,797 INFO L226 Difference]: Without dead ends: 4961 [2020-07-07 12:49:27,804 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 165 SyntacticMatches, 5 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1013 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=648, Invalid=2658, Unknown=0, NotChecked=0, Total=3306 [2020-07-07 12:49:27,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4961 states. [2020-07-07 12:49:29,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4961 to 4176. [2020-07-07 12:49:29,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4176 states. [2020-07-07 12:49:29,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4176 states to 4176 states and 4451 transitions. [2020-07-07 12:49:29,324 INFO L78 Accepts]: Start accepts. Automaton has 4176 states and 4451 transitions. Word has length 635 [2020-07-07 12:49:29,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:49:29,325 INFO L479 AbstractCegarLoop]: Abstraction has 4176 states and 4451 transitions. [2020-07-07 12:49:29,325 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-07 12:49:29,325 INFO L276 IsEmpty]: Start isEmpty. Operand 4176 states and 4451 transitions. [2020-07-07 12:49:29,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 636 [2020-07-07 12:49:29,331 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:49:29,331 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:49:29,332 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-07-07 12:49:29,332 INFO L427 AbstractCegarLoop]: === Iteration 20 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:49:29,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:49:29,332 INFO L82 PathProgramCache]: Analyzing trace with hash -826600787, now seen corresponding path program 1 times [2020-07-07 12:49:29,332 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:49:29,332 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [263910147] [2020-07-07 12:49:29,332 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:49:29,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:29,750 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:49:29,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:29,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:29,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:29,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:29,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:29,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:29,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:29,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:29,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:29,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:29,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:29,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:29,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:29,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:29,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:29,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:29,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:29,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:29,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:29,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:29,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:30,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:30,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:30,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:30,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:30,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:30,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:30,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:30,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:30,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:30,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:30,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:30,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:30,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:30,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:30,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:30,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:30,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:30,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:30,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:30,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:30,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:30,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:30,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:30,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:30,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:30,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:30,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:30,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:30,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:30,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:30,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:30,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:30,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:30,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:30,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:30,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:30,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:30,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:30,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:30,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:30,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:30,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:30,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:30,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:30,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:30,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:30,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:30,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:30,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:49:30,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 12:49:30,675 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:49:30,675 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [263910147] [2020-07-07 12:49:30,675 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:49:30,676 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2020-07-07 12:49:30,676 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081837767] [2020-07-07 12:49:30,676 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-07-07 12:49:30,677 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:49:30,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-07-07 12:49:30,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2020-07-07 12:49:30,678 INFO L87 Difference]: Start difference. First operand 4176 states and 4451 transitions. Second operand 25 states. [2020-07-07 12:49:31,488 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-07-07 12:49:32,754 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-07-07 12:49:34,832 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-07-07 12:49:35,374 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 195 [2020-07-07 12:49:35,946 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 191 [2020-07-07 12:49:36,463 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-07-07 12:49:37,004 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 193 [2020-07-07 12:49:37,524 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 195 [2020-07-07 12:49:38,032 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 191 [2020-07-07 12:49:38,552 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-07 12:49:39,093 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-07-07 12:49:39,582 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-07 12:49:41,991 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-07-07 12:49:42,924 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-07-07 12:49:43,481 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 195 [2020-07-07 12:49:43,993 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 191 [2020-07-07 12:49:44,522 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 193 [2020-07-07 12:49:45,013 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 191 [2020-07-07 12:49:47,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:49:47,713 INFO L93 Difference]: Finished difference Result 6967 states and 7500 transitions. [2020-07-07 12:49:47,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2020-07-07 12:49:47,714 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 635 [2020-07-07 12:49:47,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:49:47,717 INFO L225 Difference]: With dead ends: 6967 [2020-07-07 12:49:47,717 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 12:49:47,733 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 158 SyntacticMatches, 8 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1495 ImplicationChecksByTransitivity, 10.4s TimeCoverageRelationStatistics Valid=869, Invalid=4533, Unknown=0, NotChecked=0, Total=5402 [2020-07-07 12:49:47,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 12:49:47,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 12:49:47,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 12:49:47,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 12:49:47,735 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 635 [2020-07-07 12:49:47,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:49:47,735 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 12:49:47,735 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-07-07 12:49:47,735 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 12:49:47,735 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 12:49:47,736 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-07-07 12:49:47,738 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 12:49:48,191 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 243 [2020-07-07 12:49:48,624 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 243 [2020-07-07 12:49:49,237 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 199 [2020-07-07 12:49:49,499 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 236 [2020-07-07 12:49:49,977 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 236 [2020-07-07 12:49:53,212 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 205 [2020-07-07 12:49:55,171 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 752 DAG size of output: 486 [2020-07-07 12:49:59,654 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 248 [2020-07-07 12:49:59,975 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 246 [2020-07-07 12:50:00,713 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 241 [2020-07-07 12:50:01,110 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 243 [2020-07-07 12:50:01,913 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 250 [2020-07-07 12:50:03,976 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 247 [2020-07-07 12:50:04,437 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 249 [2020-07-07 12:50:04,747 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 245 [2020-07-07 12:50:05,389 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 260 [2020-07-07 12:50:05,640 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 263 [2020-07-07 12:50:06,678 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 256 [2020-07-07 12:50:10,242 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 752 DAG size of output: 486 [2020-07-07 12:50:12,958 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 752 DAG size of output: 486 [2020-07-07 12:50:16,385 WARN L193 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 960 DAG size of output: 676 [2020-07-07 12:50:17,710 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 255 [2020-07-07 12:50:17,838 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 256 [2020-07-07 12:50:20,458 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 256 [2020-07-07 12:50:21,264 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 255 [2020-07-07 12:50:21,782 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 234 [2020-07-07 12:50:21,897 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 236 [2020-07-07 12:50:24,485 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 238 [2020-07-07 12:50:24,845 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 245 [2020-07-07 12:50:26,289 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 251 [2020-07-07 12:50:26,641 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 250 [2020-07-07 12:50:26,956 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 249 [2020-07-07 12:50:28,539 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 251 [2020-07-07 12:50:36,133 WARN L193 SmtUtils]: Spent 4.07 s on a formula simplification. DAG size of input: 1125 DAG size of output: 776 [2020-07-07 12:50:38,370 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 238 [2020-07-07 12:50:38,732 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 245 [2020-07-07 12:50:40,176 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 251 [2020-07-07 12:50:40,524 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 250 [2020-07-07 12:50:40,827 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 249 [2020-07-07 12:50:44,272 WARN L193 SmtUtils]: Spent 3.42 s on a formula simplification. DAG size of input: 960 DAG size of output: 676 [2020-07-07 12:50:49,548 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 249 [2020-07-07 12:50:49,814 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 247 [2020-07-07 12:50:50,399 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 254 [2020-07-07 12:50:50,617 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 255 [2020-07-07 12:50:51,462 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 245 [2020-07-07 12:51:00,386 WARN L193 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 960 DAG size of output: 676 [2020-07-07 12:51:00,548 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 241 [2020-07-07 12:51:00,686 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 243 [2020-07-07 12:51:01,187 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 241 [2020-07-07 12:51:01,424 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 243 [2020-07-07 12:51:01,792 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 241 [2020-07-07 12:51:02,769 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 248 [2020-07-07 12:51:02,945 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 246 [2020-07-07 12:51:03,650 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 241 [2020-07-07 12:51:03,784 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 243 [2020-07-07 12:51:04,521 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 250 [2020-07-07 12:51:07,025 WARN L193 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 862 DAG size of output: 653 [2020-07-07 12:51:07,325 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 241 [2020-07-07 12:51:07,587 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 241 [2020-07-07 12:51:07,787 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 241 [2020-07-07 12:51:08,083 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 241 [2020-07-07 12:51:09,369 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 236 [2020-07-07 12:51:18,588 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 248 [2020-07-07 12:51:18,807 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 246 [2020-07-07 12:51:19,297 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 241 [2020-07-07 12:51:19,481 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 243 [2020-07-07 12:51:20,231 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 250 [2020-07-07 12:51:23,160 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 205 [2020-07-07 12:51:28,603 WARN L193 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 862 DAG size of output: 653 [2020-07-07 12:51:30,037 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 752 DAG size of output: 486 [2020-07-07 12:51:36,784 WARN L193 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 751 DAG size of output: 543 [2020-07-07 12:51:42,252 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 248 [2020-07-07 12:51:42,574 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 244 [2020-07-07 12:51:42,680 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 246 [2020-07-07 12:51:42,897 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 244 [2020-07-07 12:51:43,147 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 246 [2020-07-07 12:51:43,407 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 246 [2020-07-07 12:51:49,384 WARN L193 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 907 DAG size of output: 675 [2020-07-07 12:51:59,902 WARN L193 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 960 DAG size of output: 676 [2020-07-07 12:52:03,399 WARN L193 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 960 DAG size of output: 676 [2020-07-07 12:52:10,138 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 241 [2020-07-07 12:52:10,291 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 243 [2020-07-07 12:52:10,538 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 241 [2020-07-07 12:52:10,752 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 241 [2020-07-07 12:52:10,928 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 243 [2020-07-07 12:52:11,175 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 241 [2020-07-07 12:52:14,610 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 752 DAG size of output: 486 [2020-07-07 12:52:17,556 WARN L193 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 960 DAG size of output: 676 [2020-07-07 12:52:20,363 WARN L193 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 787 DAG size of output: 563 [2020-07-07 12:52:23,282 WARN L193 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 960 DAG size of output: 676 [2020-07-07 12:52:24,711 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 752 DAG size of output: 486 [2020-07-07 12:52:27,696 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 241 [2020-07-07 12:52:27,962 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 243 [2020-07-07 12:52:28,934 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 248 [2020-07-07 12:52:29,169 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 250 [2020-07-07 12:52:29,420 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 246 [2020-07-07 12:52:33,891 WARN L193 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 960 DAG size of output: 676 [2020-07-07 12:52:34,280 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 220 [2020-07-07 12:52:35,029 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 218 [2020-07-07 12:52:35,171 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 218 [2020-07-07 12:52:35,453 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 219 [2020-07-07 12:52:35,660 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 219 [2020-07-07 12:52:35,948 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 218 [2020-07-07 12:52:36,282 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 247 [2020-07-07 12:52:36,546 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 246 [2020-07-07 12:52:36,704 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 221 [2020-07-07 12:52:36,866 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 221 [2020-07-07 12:52:37,007 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 219 [2020-07-07 12:52:37,421 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 221 [2020-07-07 12:52:37,862 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 218 [2020-07-07 12:52:38,055 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 219 [2020-07-07 12:52:38,445 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 244 [2020-07-07 12:52:38,556 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 243 [2020-07-07 12:52:38,699 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 243 [2020-07-07 12:52:38,933 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 220 [2020-07-07 12:52:41,636 WARN L193 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 862 DAG size of output: 653 [2020-07-07 12:52:43,964 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 862 DAG size of output: 653 [2020-07-07 12:52:50,328 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 249 [2020-07-07 12:52:50,541 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 245 [2020-07-07 12:52:51,155 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 260 [2020-07-07 12:52:51,394 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 263 [2020-07-07 12:52:52,386 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 256 [2020-07-07 12:52:54,476 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 361 DAG size of output: 49 [2020-07-07 12:52:54,854 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-07 12:52:57,998 WARN L193 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 270 DAG size of output: 47 [2020-07-07 12:53:00,573 WARN L193 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 277 DAG size of output: 51 [2020-07-07 12:53:03,678 WARN L193 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 378 DAG size of output: 71 [2020-07-07 12:53:06,074 WARN L193 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 380 DAG size of output: 33 [2020-07-07 12:53:08,594 WARN L193 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 361 DAG size of output: 59 [2020-07-07 12:53:09,499 WARN L193 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 25 [2020-07-07 12:53:12,096 WARN L193 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 271 DAG size of output: 50 [2020-07-07 12:53:12,558 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 1 [2020-07-07 12:53:14,924 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 492 DAG size of output: 1 [2020-07-07 12:53:15,513 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 27 [2020-07-07 12:53:23,218 WARN L193 SmtUtils]: Spent 7.64 s on a formula simplification. DAG size of input: 570 DAG size of output: 64 [2020-07-07 12:53:25,086 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 254 DAG size of output: 38 [2020-07-07 12:53:25,671 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 27 [2020-07-07 12:53:28,095 WARN L193 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 266 DAG size of output: 45 [2020-07-07 12:53:28,280 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 1 [2020-07-07 12:53:30,824 WARN L193 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 361 DAG size of output: 59 [2020-07-07 12:53:33,844 WARN L193 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 281 DAG size of output: 50 [2020-07-07 12:53:36,377 WARN L193 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 361 DAG size of output: 59 [2020-07-07 12:53:36,559 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 1 [2020-07-07 12:53:42,384 WARN L193 SmtUtils]: Spent 5.82 s on a formula simplification. DAG size of input: 557 DAG size of output: 55 [2020-07-07 12:53:42,889 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 1 [2020-07-07 12:53:44,838 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 191 DAG size of output: 43 [2020-07-07 12:53:45,216 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-07 12:53:47,474 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 312 DAG size of output: 44 [2020-07-07 12:53:49,184 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 256 DAG size of output: 51 [2020-07-07 12:53:51,900 WARN L193 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 280 DAG size of output: 53 [2020-07-07 12:53:53,936 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 194 DAG size of output: 46 [2020-07-07 12:53:56,243 WARN L193 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 314 DAG size of output: 46 [2020-07-07 12:53:57,541 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 262 DAG size of output: 45 [2020-07-07 12:53:58,055 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 1 [2020-07-07 12:54:00,998 WARN L193 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 350 DAG size of output: 73 [2020-07-07 12:54:01,195 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 1 [2020-07-07 12:54:08,778 WARN L193 SmtUtils]: Spent 7.56 s on a formula simplification. DAG size of input: 479 DAG size of output: 59 [2020-07-07 12:54:10,293 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 251 DAG size of output: 50 [2020-07-07 12:54:12,850 WARN L193 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 271 DAG size of output: 52 [2020-07-07 12:54:15,567 WARN L193 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 273 DAG size of output: 55 [2020-07-07 12:54:18,120 WARN L193 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 271 DAG size of output: 52 [2020-07-07 12:54:21,831 WARN L193 SmtUtils]: Spent 3.70 s on a formula simplification. DAG size of input: 308 DAG size of output: 63 [2020-07-07 12:54:23,965 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 194 DAG size of output: 45 [2020-07-07 12:54:25,537 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 264 DAG size of output: 26 [2020-07-07 12:54:25,931 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-07 12:54:27,979 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 328 DAG size of output: 52 [2020-07-07 12:54:35,573 WARN L193 SmtUtils]: Spent 7.58 s on a formula simplification. DAG size of input: 641 DAG size of output: 57 [2020-07-07 12:54:35,926 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 1 [2020-07-07 12:54:43,569 WARN L193 SmtUtils]: Spent 7.62 s on a formula simplification. DAG size of input: 479 DAG size of output: 59 [2020-07-07 12:54:49,498 WARN L193 SmtUtils]: Spent 5.92 s on a formula simplification. DAG size of input: 557 DAG size of output: 55 [2020-07-07 12:54:52,632 WARN L193 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 299 DAG size of output: 55 [2020-07-07 12:54:53,054 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 22 [2020-07-07 12:54:56,202 WARN L193 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 299 DAG size of output: 55 [2020-07-07 12:54:58,034 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 323 DAG size of output: 37 [2020-07-07 12:54:59,824 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 249 DAG size of output: 32 [2020-07-07 12:55:00,214 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-07 12:55:08,075 WARN L193 SmtUtils]: Spent 7.83 s on a formula simplification. DAG size of input: 560 DAG size of output: 54 [2020-07-07 12:55:08,370 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 1 [2020-07-07 12:55:08,780 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 29 [2020-07-07 12:55:11,899 WARN L193 SmtUtils]: Spent 3.10 s on a formula simplification. DAG size of input: 291 DAG size of output: 60 [2020-07-07 12:55:12,086 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 1 [2020-07-07 12:55:13,511 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 245 DAG size of output: 1 [2020-07-07 12:55:15,330 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 323 DAG size of output: 37 [2020-07-07 12:55:16,484 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 240 DAG size of output: 41 [2020-07-07 12:55:17,634 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 240 DAG size of output: 41 [2020-07-07 12:55:18,807 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 241 DAG size of output: 26 [2020-07-07 12:55:19,158 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 1 [2020-07-07 12:55:25,109 WARN L193 SmtUtils]: Spent 5.94 s on a formula simplification. DAG size of input: 557 DAG size of output: 55 [2020-07-07 12:55:25,494 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-07 12:55:31,567 WARN L193 SmtUtils]: Spent 6.04 s on a formula simplification. DAG size of input: 505 DAG size of output: 58 [2020-07-07 12:55:36,943 WARN L193 SmtUtils]: Spent 5.37 s on a formula simplification. DAG size of input: 529 DAG size of output: 52 [2020-07-07 12:55:37,497 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 41 [2020-07-07 12:55:40,288 WARN L193 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 371 DAG size of output: 51 [2020-07-07 12:55:43,571 WARN L193 SmtUtils]: Spent 3.18 s on a formula simplification. DAG size of input: 270 DAG size of output: 47 [2020-07-07 12:55:43,756 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 1 [2020-07-07 12:55:45,035 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 261 DAG size of output: 43 [2020-07-07 12:55:45,420 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-07 12:55:48,282 WARN L193 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 289 DAG size of output: 54 [2020-07-07 12:55:50,094 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 251 DAG size of output: 37 [2020-07-07 12:55:52,951 WARN L193 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 289 DAG size of output: 54 [2020-07-07 12:55:55,328 WARN L193 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 292 DAG size of output: 57 [2020-07-07 12:55:58,096 WARN L193 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 280 DAG size of output: 53 [2020-07-07 12:56:00,268 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 286 DAG size of output: 51 [2020-07-07 12:56:02,198 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 191 DAG size of output: 41 [2020-07-07 12:56:02,794 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 27 [2020-07-07 12:56:05,128 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 492 DAG size of output: 1 [2020-07-07 12:56:08,825 WARN L193 SmtUtils]: Spent 3.66 s on a formula simplification. DAG size of input: 438 DAG size of output: 35 [2020-07-07 12:56:09,210 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 20 [2020-07-07 12:56:09,748 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 1 [2020-07-07 12:56:11,816 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 194 DAG size of output: 45 [2020-07-07 12:56:13,211 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 243 DAG size of output: 40 [2020-07-07 12:56:15,189 WARN L193 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 191 DAG size of output: 42 [2020-07-07 12:56:20,596 WARN L193 SmtUtils]: Spent 5.40 s on a formula simplification. DAG size of input: 529 DAG size of output: 52 [2020-07-07 12:56:23,183 WARN L193 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 361 DAG size of output: 59 [2020-07-07 12:56:23,703 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 1 [2020-07-07 12:56:24,068 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 1 [2020-07-07 12:56:26,115 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 194 DAG size of output: 46 [2020-07-07 12:56:27,265 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 254 DAG size of output: 50 [2020-07-07 12:56:30,268 WARN L193 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 300 DAG size of output: 55 [2020-07-07 12:56:34,152 WARN L193 SmtUtils]: Spent 3.88 s on a formula simplification. DAG size of input: 440 DAG size of output: 43 [2020-07-07 12:56:38,146 WARN L193 SmtUtils]: Spent 3.98 s on a formula simplification. DAG size of input: 316 DAG size of output: 54 [2020-07-07 12:56:40,657 WARN L193 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 266 DAG size of output: 45 [2020-07-07 12:56:42,965 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 298 DAG size of output: 41 [2020-07-07 12:56:44,728 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 248 DAG size of output: 32 [2020-07-07 12:56:46,396 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 247 DAG size of output: 32 [2020-07-07 12:56:46,787 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-07 12:56:47,205 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 31 [2020-07-07 12:56:47,622 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 29 [2020-07-07 12:56:50,866 WARN L193 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 276 DAG size of output: 43 [2020-07-07 12:56:51,296 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 29 [2020-07-07 12:56:53,364 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 304 DAG size of output: 41 [2020-07-07 12:56:55,802 WARN L193 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 267 DAG size of output: 50 [2020-07-07 12:57:01,940 WARN L193 SmtUtils]: Spent 6.12 s on a formula simplification. DAG size of input: 549 DAG size of output: 53 [2020-07-07 12:57:02,550 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 27 [2020-07-07 12:57:04,966 WARN L193 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 341 DAG size of output: 71 [2020-07-07 12:57:07,874 WARN L193 SmtUtils]: Spent 2.89 s on a formula simplification. DAG size of input: 372 DAG size of output: 73 [2020-07-07 12:57:08,268 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-07 12:57:08,692 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 24 [2020-07-07 12:57:12,737 WARN L193 SmtUtils]: Spent 3.99 s on a formula simplification. DAG size of input: 316 DAG size of output: 54 [2020-07-07 12:57:14,525 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 249 DAG size of output: 32 [2020-07-07 12:57:17,614 WARN L193 SmtUtils]: Spent 3.07 s on a formula simplification. DAG size of input: 281 DAG size of output: 50 [2020-07-07 12:57:18,001 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-07 12:57:18,712 WARN L193 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 28 [2020-07-07 12:57:20,465 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 247 DAG size of output: 31 [2020-07-07 12:57:26,472 WARN L193 SmtUtils]: Spent 6.00 s on a formula simplification. DAG size of input: 557 DAG size of output: 55 [2020-07-07 12:57:26,885 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-07 12:57:27,560 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 29 [2020-07-07 12:57:29,486 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 249 DAG size of output: 35 [2020-07-07 12:57:35,936 WARN L193 SmtUtils]: Spent 6.45 s on a formula simplification. DAG size of input: 557 DAG size of output: 55 [2020-07-07 12:57:37,778 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 247 DAG size of output: 31 [2020-07-07 12:57:38,378 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 27 [2020-07-07 12:57:40,495 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 254 DAG size of output: 50 [2020-07-07 12:57:42,540 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 259 DAG size of output: 56 [2020-07-07 12:57:43,237 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 27 [2020-07-07 12:57:45,442 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 254 DAG size of output: 50 [2020-07-07 12:57:46,055 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 27 [2020-07-07 12:57:48,791 WARN L193 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 271 DAG size of output: 50 [2020-07-07 12:57:51,717 WARN L193 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 271 DAG size of output: 50 [2020-07-07 12:57:53,732 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 251 DAG size of output: 46 [2020-07-07 12:57:56,156 WARN L193 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 289 DAG size of output: 55 [2020-07-07 12:57:57,531 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 246 DAG size of output: 44 [2020-07-07 12:57:59,863 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 470 DAG size of output: 33 [2020-07-07 12:58:00,258 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-07 12:58:00,479 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:58:03,568 WARN L193 SmtUtils]: Spent 3.07 s on a formula simplification. DAG size of input: 344 DAG size of output: 69 [2020-07-07 12:58:04,100 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 1 [2020-07-07 12:58:07,927 WARN L193 SmtUtils]: Spent 3.80 s on a formula simplification. DAG size of input: 403 DAG size of output: 51 [2020-07-07 12:58:10,003 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 194 DAG size of output: 46 [2020-07-07 12:58:12,642 WARN L193 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 361 DAG size of output: 59 [2020-07-07 12:58:18,780 WARN L193 SmtUtils]: Spent 6.13 s on a formula simplification. DAG size of input: 557 DAG size of output: 55 [2020-07-07 12:58:20,907 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 191 DAG size of output: 43 [2020-07-07 12:58:26,006 WARN L193 SmtUtils]: Spent 5.09 s on a formula simplification. DAG size of input: 448 DAG size of output: 59