/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_product46.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 12:45:23,729 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 12:45:23,732 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 12:45:23,748 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 12:45:23,749 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 12:45:23,750 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 12:45:23,752 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 12:45:23,761 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 12:45:23,764 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 12:45:23,767 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 12:45:23,770 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 12:45:23,772 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 12:45:23,772 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 12:45:23,774 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 12:45:23,776 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 12:45:23,777 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 12:45:23,778 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 12:45:23,779 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 12:45:23,780 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 12:45:23,785 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 12:45:23,789 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 12:45:23,792 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 12:45:23,793 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 12:45:23,794 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 12:45:23,797 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 12:45:23,797 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 12:45:23,797 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 12:45:23,800 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 12:45:23,800 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 12:45:23,801 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 12:45:23,801 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 12:45:23,802 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 12:45:23,803 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 12:45:23,804 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 12:45:23,805 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 12:45:23,805 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 12:45:23,806 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 12:45:23,806 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 12:45:23,806 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 12:45:23,807 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 12:45:23,808 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 12:45:23,809 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 12:45:23,824 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 12:45:23,824 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 12:45:23,828 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 12:45:23,830 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 12:45:23,831 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 12:45:23,831 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 12:45:23,831 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 12:45:23,831 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 12:45:23,831 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 12:45:23,831 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 12:45:23,831 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 12:45:23,832 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 12:45:23,832 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 12:45:23,832 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 12:45:23,832 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 12:45:23,833 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-07 12:45:23,833 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 12:45:23,833 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 12:45:23,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 12:45:23,833 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 12:45:23,834 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-07 12:45:23,834 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 12:45:23,834 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-07 12:45:24,099 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 12:45:24,111 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 12:45:24,114 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 12:45:24,116 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 12:45:24,116 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 12:45:24,117 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product46.cil.c [2020-07-07 12:45:24,185 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34a37c04e/54da541ce74c4442b6175a05630c886d/FLAG591bba49e [2020-07-07 12:45:24,675 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 12:45:24,676 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product46.cil.c [2020-07-07 12:45:24,706 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34a37c04e/54da541ce74c4442b6175a05630c886d/FLAG591bba49e [2020-07-07 12:45:24,987 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34a37c04e/54da541ce74c4442b6175a05630c886d [2020-07-07 12:45:24,995 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 12:45:24,998 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 12:45:24,999 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 12:45:25,000 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 12:45:25,004 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 12:45:25,005 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 12:45:24" (1/1) ... [2020-07-07 12:45:25,008 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38eb6cc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:45:25, skipping insertion in model container [2020-07-07 12:45:25,008 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 12:45:24" (1/1) ... [2020-07-07 12:45:25,014 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 12:45:25,066 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 12:45:25,427 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 12:45:25,447 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 12:45:25,648 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 12:45:25,685 INFO L208 MainTranslator]: Completed translation [2020-07-07 12:45:25,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:45:25 WrapperNode [2020-07-07 12:45:25,685 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 12:45:25,686 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 12:45:25,686 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 12:45:25,686 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 12:45:25,696 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:45:25" (1/1) ... [2020-07-07 12:45:25,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:45:25" (1/1) ... [2020-07-07 12:45:25,713 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:45:25" (1/1) ... [2020-07-07 12:45:25,714 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:45:25" (1/1) ... [2020-07-07 12:45:25,744 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:45:25" (1/1) ... [2020-07-07 12:45:25,755 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:45:25" (1/1) ... [2020-07-07 12:45:25,760 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:45:25" (1/1) ... [2020-07-07 12:45:25,767 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 12:45:25,768 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 12:45:25,768 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 12:45:25,768 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 12:45:25,769 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:45:25" (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 12:45:25,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 12:45:25,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 12:45:25,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 12:45:25,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-07 12:45:25,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-07 12:45:25,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-07 12:45:25,840 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 12:45:25,840 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 12:45:25,840 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 12:45:25,840 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 12:45:25,840 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 12:45:25,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 12:45:25,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 12:45:25,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 12:45:25,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 12:45:25,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 12:45:25,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 12:45:25,842 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 12:45:25,843 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 12:45:25,843 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 12:45:25,844 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 12:45:25,844 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 12:45:25,846 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 12:45:25,846 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-07 12:45:25,847 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 12:45:25,847 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 12:45:25,847 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 12:45:25,847 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 12:45:25,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 12:45:25,847 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 12:45:25,847 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 12:45:25,848 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-07 12:45:25,848 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 12:45:25,848 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-07 12:45:25,848 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 12:45:25,848 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 12:45:25,849 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 12:45:25,849 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 12:45:25,849 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 12:45:25,849 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-07 12:45:25,849 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-07 12:45:25,849 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 12:45:25,849 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 12:45:25,850 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 12:45:25,850 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 12:45:25,850 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 12:45:25,850 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 12:45:25,850 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 12:45:25,850 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-07 12:45:25,851 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-07 12:45:25,851 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-07 12:45:25,851 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 12:45:25,851 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 12:45:25,851 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 12:45:25,851 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 12:45:25,852 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 12:45:25,852 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 12:45:25,852 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 12:45:25,852 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 12:45:25,852 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 12:45:25,852 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 12:45:25,852 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 12:45:25,853 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 12:45:25,853 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 12:45:25,853 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 12:45:25,853 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 12:45:25,853 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 12:45:25,853 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 12:45:25,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 12:45:25,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 12:45:25,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 12:45:25,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 12:45:25,854 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 12:45:25,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 12:45:25,854 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 12:45:25,854 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 12:45:25,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 12:45:25,855 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 12:45:25,855 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 12:45:25,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 12:45:25,856 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 12:45:25,856 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 12:45:25,856 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 12:45:25,857 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 12:45:25,857 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-07 12:45:25,857 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 12:45:25,857 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 12:45:25,858 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 12:45:25,858 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-07 12:45:25,859 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 12:45:25,859 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 12:45:25,859 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-07 12:45:25,859 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-07 12:45:25,859 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 12:45:25,860 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-07 12:45:25,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 12:45:25,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 12:45:25,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 12:45:26,921 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 12:45:26,921 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 12:45:26,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 12:45:26 BoogieIcfgContainer [2020-07-07 12:45:26,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 12:45:26,929 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 12:45:26,929 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 12:45:26,932 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 12:45:26,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 12:45:24" (1/3) ... [2020-07-07 12:45:26,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c02c084 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 12:45:26, skipping insertion in model container [2020-07-07 12:45:26,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:45:25" (2/3) ... [2020-07-07 12:45:26,934 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c02c084 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 12:45:26, skipping insertion in model container [2020-07-07 12:45:26,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 12:45:26" (3/3) ... [2020-07-07 12:45:26,936 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product46.cil.c [2020-07-07 12:45:26,946 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-07 12:45:26,954 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 12:45:26,967 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 12:45:26,988 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 12:45:26,989 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 12:45:26,989 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-07 12:45:26,989 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 12:45:26,989 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 12:45:26,989 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 12:45:26,990 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 12:45:26,990 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 12:45:27,010 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states. [2020-07-07 12:45:27,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-07-07 12:45:27,030 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:45:27,032 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 12:45:27,032 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:45:27,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:45:27,038 INFO L82 PathProgramCache]: Analyzing trace with hash -1445921999, now seen corresponding path program 1 times [2020-07-07 12:45:27,047 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:45:27,047 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [982014250] [2020-07-07 12:45:27,048 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:45:27,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:27,777 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:45:27,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:27,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:27,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:27,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:27,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:27,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:27,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:27,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:27,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:27,937 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-07 12:45:27,939 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:45:27,945 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [982014250] [2020-07-07 12:45:27,947 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:45:27,948 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 12:45:27,950 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275735321] [2020-07-07 12:45:27,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 12:45:27,968 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:45:27,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 12:45:27,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 12:45:27,984 INFO L87 Difference]: Start difference. First operand 332 states. Second operand 4 states. [2020-07-07 12:45:29,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:45:29,302 INFO L93 Difference]: Finished difference Result 525 states and 615 transitions. [2020-07-07 12:45:29,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-07 12:45:29,304 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-07-07 12:45:29,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:45:29,321 INFO L225 Difference]: With dead ends: 525 [2020-07-07 12:45:29,321 INFO L226 Difference]: Without dead ends: 329 [2020-07-07 12:45:29,327 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 12:45:29,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2020-07-07 12:45:29,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 281. [2020-07-07 12:45:29,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-07-07 12:45:29,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 306 transitions. [2020-07-07 12:45:29,467 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 306 transitions. Word has length 160 [2020-07-07 12:45:29,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:45:29,468 INFO L479 AbstractCegarLoop]: Abstraction has 281 states and 306 transitions. [2020-07-07 12:45:29,468 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 12:45:29,468 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 306 transitions. [2020-07-07 12:45:29,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-07-07 12:45:29,473 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:45:29,474 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 12:45:29,474 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 12:45:29,474 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:45:29,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:45:29,475 INFO L82 PathProgramCache]: Analyzing trace with hash -345471189, now seen corresponding path program 1 times [2020-07-07 12:45:29,475 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:45:29,475 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [846325723] [2020-07-07 12:45:29,476 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:45:29,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:29,876 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:45:29,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:29,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:29,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:29,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:29,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:29,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:29,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:29,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:29,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:29,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:29,961 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 12:45:29,962 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:45:29,962 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [846325723] [2020-07-07 12:45:29,962 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:45:29,962 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-07 12:45:29,963 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637581780] [2020-07-07 12:45:29,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 12:45:29,964 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:45:29,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 12:45:29,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-07 12:45:29,965 INFO L87 Difference]: Start difference. First operand 281 states and 306 transitions. Second operand 5 states. [2020-07-07 12:45:30,572 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:45:31,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:45:31,631 INFO L93 Difference]: Finished difference Result 450 states and 507 transitions. [2020-07-07 12:45:31,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-07 12:45:31,631 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-07-07 12:45:31,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:45:31,636 INFO L225 Difference]: With dead ends: 450 [2020-07-07 12:45:31,636 INFO L226 Difference]: Without dead ends: 318 [2020-07-07 12:45:31,638 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 12:45:31,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-07-07 12:45:31,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 271. [2020-07-07 12:45:31,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2020-07-07 12:45:31,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 293 transitions. [2020-07-07 12:45:31,721 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 293 transitions. Word has length 161 [2020-07-07 12:45:31,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:45:31,722 INFO L479 AbstractCegarLoop]: Abstraction has 271 states and 293 transitions. [2020-07-07 12:45:31,722 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 12:45:31,722 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 293 transitions. [2020-07-07 12:45:31,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-07-07 12:45:31,725 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:45:31,725 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:45:31,725 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 12:45:31,726 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:45:31,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:45:31,726 INFO L82 PathProgramCache]: Analyzing trace with hash 527888294, now seen corresponding path program 1 times [2020-07-07 12:45:31,726 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:45:31,727 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1226461726] [2020-07-07 12:45:31,727 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:45:31,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:32,100 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:45:32,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:32,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:32,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:32,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:32,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:32,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:32,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:32,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:32,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:32,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:32,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:32,251 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 12:45:32,251 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:45:32,251 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1226461726] [2020-07-07 12:45:32,252 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:45:32,252 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-07 12:45:32,252 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378478122] [2020-07-07 12:45:32,253 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 12:45:32,253 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:45:32,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 12:45:32,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-07-07 12:45:32,254 INFO L87 Difference]: Start difference. First operand 271 states and 293 transitions. Second operand 11 states. [2020-07-07 12:45:32,834 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:45:33,329 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:45:33,687 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:45:33,945 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:45:34,175 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:45:34,412 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:45:36,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:45:36,193 INFO L93 Difference]: Finished difference Result 497 states and 572 transitions. [2020-07-07 12:45:36,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-07 12:45:36,194 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 174 [2020-07-07 12:45:36,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:45:36,198 INFO L225 Difference]: With dead ends: 497 [2020-07-07 12:45:36,198 INFO L226 Difference]: Without dead ends: 341 [2020-07-07 12:45:36,199 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2020-07-07 12:45:36,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2020-07-07 12:45:36,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 271. [2020-07-07 12:45:36,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2020-07-07 12:45:36,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 292 transitions. [2020-07-07 12:45:36,271 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 292 transitions. Word has length 174 [2020-07-07 12:45:36,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:45:36,271 INFO L479 AbstractCegarLoop]: Abstraction has 271 states and 292 transitions. [2020-07-07 12:45:36,272 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 12:45:36,272 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 292 transitions. [2020-07-07 12:45:36,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-07-07 12:45:36,274 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:45:36,274 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] [2020-07-07 12:45:36,275 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 12:45:36,275 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:45:36,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:45:36,275 INFO L82 PathProgramCache]: Analyzing trace with hash -59747891, now seen corresponding path program 1 times [2020-07-07 12:45:36,276 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:45:36,276 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [596846727] [2020-07-07 12:45:36,276 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:45:36,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:36,574 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:45:36,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:36,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:36,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:36,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:36,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:36,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:36,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:36,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:36,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:36,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:36,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:36,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:36,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:36,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:36,786 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 12:45:36,787 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:45:36,787 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [596846727] [2020-07-07 12:45:36,787 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:45:36,788 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 12:45:36,788 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88559946] [2020-07-07 12:45:36,789 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 12:45:36,791 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:45:36,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 12:45:36,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-07 12:45:36,793 INFO L87 Difference]: Start difference. First operand 271 states and 292 transitions. Second operand 8 states. [2020-07-07 12:45:37,251 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:45:39,134 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:45:39,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:45:39,678 INFO L93 Difference]: Finished difference Result 699 states and 829 transitions. [2020-07-07 12:45:39,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-07-07 12:45:39,679 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 187 [2020-07-07 12:45:39,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:45:39,708 INFO L225 Difference]: With dead ends: 699 [2020-07-07 12:45:39,708 INFO L226 Difference]: Without dead ends: 543 [2020-07-07 12:45:39,709 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2020-07-07 12:45:39,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2020-07-07 12:45:39,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 405. [2020-07-07 12:45:39,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2020-07-07 12:45:39,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 437 transitions. [2020-07-07 12:45:39,821 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 437 transitions. Word has length 187 [2020-07-07 12:45:39,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:45:39,822 INFO L479 AbstractCegarLoop]: Abstraction has 405 states and 437 transitions. [2020-07-07 12:45:39,822 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 12:45:39,822 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 437 transitions. [2020-07-07 12:45:39,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-07-07 12:45:39,825 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:45:39,825 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] [2020-07-07 12:45:39,826 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 12:45:39,826 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:45:39,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:45:39,826 INFO L82 PathProgramCache]: Analyzing trace with hash -476532751, now seen corresponding path program 1 times [2020-07-07 12:45:39,826 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:45:39,827 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [635212097] [2020-07-07 12:45:39,827 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:45:39,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:40,086 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:45:40,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:40,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:40,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:40,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:40,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:40,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:40,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:40,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:40,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:40,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:40,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:40,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:40,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:40,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:40,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:40,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:40,348 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 12:45:40,348 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:45:40,349 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [635212097] [2020-07-07 12:45:40,349 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:45:40,349 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-07-07 12:45:40,350 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401519976] [2020-07-07 12:45:40,350 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-07 12:45:40,351 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:45:40,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-07 12:45:40,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-07-07 12:45:40,352 INFO L87 Difference]: Start difference. First operand 405 states and 437 transitions. Second operand 14 states. [2020-07-07 12:45:40,920 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:45:41,187 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 12:45:41,427 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:45:41,658 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:45:41,885 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:45:42,847 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:45:43,077 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:45:43,325 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:45:43,569 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:45:43,793 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:45:45,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:45:45,169 INFO L93 Difference]: Finished difference Result 838 states and 987 transitions. [2020-07-07 12:45:45,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-07 12:45:45,170 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 211 [2020-07-07 12:45:45,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:45:45,174 INFO L225 Difference]: With dead ends: 838 [2020-07-07 12:45:45,174 INFO L226 Difference]: Without dead ends: 548 [2020-07-07 12:45:45,175 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-07-07 12:45:45,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2020-07-07 12:45:45,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 411. [2020-07-07 12:45:45,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2020-07-07 12:45:45,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 443 transitions. [2020-07-07 12:45:45,306 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 443 transitions. Word has length 211 [2020-07-07 12:45:45,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:45:45,307 INFO L479 AbstractCegarLoop]: Abstraction has 411 states and 443 transitions. [2020-07-07 12:45:45,307 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-07 12:45:45,307 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 443 transitions. [2020-07-07 12:45:45,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-07-07 12:45:45,310 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:45:45,310 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] [2020-07-07 12:45:45,310 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 12:45:45,310 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:45:45,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:45:45,311 INFO L82 PathProgramCache]: Analyzing trace with hash 497337425, now seen corresponding path program 1 times [2020-07-07 12:45:45,311 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:45:45,311 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2017310573] [2020-07-07 12:45:45,311 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:45:45,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:45,651 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:45:45,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:45,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:45,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:45,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:45,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:45,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:45,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:45,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:45,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:45,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:45,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:45,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:45,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:45,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:45,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:45,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:45,862 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 12:45:45,862 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:45:45,862 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2017310573] [2020-07-07 12:45:45,863 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:45:45,864 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-07 12:45:45,865 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021699759] [2020-07-07 12:45:45,865 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 12:45:45,865 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:45:45,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 12:45:45,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-07-07 12:45:45,867 INFO L87 Difference]: Start difference. First operand 411 states and 443 transitions. Second operand 11 states. [2020-07-07 12:45:46,313 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:45:47,126 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:45:47,353 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:45:48,466 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:45:48,688 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:45:48,956 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:45:49,446 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:45:49,692 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:45:49,915 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:45:50,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:45:50,478 INFO L93 Difference]: Finished difference Result 844 states and 982 transitions. [2020-07-07 12:45:50,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-07-07 12:45:50,478 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 211 [2020-07-07 12:45:50,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:45:50,483 INFO L225 Difference]: With dead ends: 844 [2020-07-07 12:45:50,483 INFO L226 Difference]: Without dead ends: 548 [2020-07-07 12:45:50,484 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=248, Invalid=622, Unknown=0, NotChecked=0, Total=870 [2020-07-07 12:45:50,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2020-07-07 12:45:50,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 410. [2020-07-07 12:45:50,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 410 states. [2020-07-07 12:45:50,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 440 transitions. [2020-07-07 12:45:50,589 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 440 transitions. Word has length 211 [2020-07-07 12:45:50,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:45:50,589 INFO L479 AbstractCegarLoop]: Abstraction has 410 states and 440 transitions. [2020-07-07 12:45:50,589 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 12:45:50,590 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 440 transitions. [2020-07-07 12:45:50,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-07-07 12:45:50,591 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:45:50,591 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] [2020-07-07 12:45:50,592 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-07 12:45:50,592 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:45:50,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:45:50,592 INFO L82 PathProgramCache]: Analyzing trace with hash -217934529, now seen corresponding path program 1 times [2020-07-07 12:45:50,592 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:45:50,592 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1750445791] [2020-07-07 12:45:50,593 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:45:50,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:50,884 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:45:50,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:50,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:50,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:50,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:50,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:50,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:50,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:50,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:50,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:50,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:50,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:50,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:51,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:51,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:51,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:51,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:51,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:51,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:51,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:51,093 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 12:45:51,094 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:45:51,094 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1750445791] [2020-07-07 12:45:51,094 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:45:51,095 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-07 12:45:51,095 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662342949] [2020-07-07 12:45:51,095 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 12:45:51,096 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:45:51,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 12:45:51,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-07-07 12:45:51,096 INFO L87 Difference]: Start difference. First operand 410 states and 440 transitions. Second operand 11 states. [2020-07-07 12:45:52,366 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:45:52,606 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 12:45:52,850 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-07 12:45:53,083 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:45:53,330 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:45:53,570 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:45:54,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:45:54,653 INFO L93 Difference]: Finished difference Result 847 states and 991 transitions. [2020-07-07 12:45:54,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-07 12:45:54,654 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 234 [2020-07-07 12:45:54,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:45:54,657 INFO L225 Difference]: With dead ends: 847 [2020-07-07 12:45:54,657 INFO L226 Difference]: Without dead ends: 552 [2020-07-07 12:45:54,659 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-07-07 12:45:54,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2020-07-07 12:45:54,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 418. [2020-07-07 12:45:54,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 418 states. [2020-07-07 12:45:54,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 448 transitions. [2020-07-07 12:45:54,781 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 448 transitions. Word has length 234 [2020-07-07 12:45:54,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:45:54,782 INFO L479 AbstractCegarLoop]: Abstraction has 418 states and 448 transitions. [2020-07-07 12:45:54,782 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 12:45:54,782 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 448 transitions. [2020-07-07 12:45:54,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-07-07 12:45:54,784 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:45:54,784 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] [2020-07-07 12:45:54,784 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-07 12:45:54,784 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:45:54,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:45:54,785 INFO L82 PathProgramCache]: Analyzing trace with hash 1176917148, now seen corresponding path program 1 times [2020-07-07 12:45:54,785 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:45:54,785 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [425911378] [2020-07-07 12:45:54,785 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:45:54,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:55,045 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:45:55,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:55,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:55,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:55,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:55,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:55,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:55,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:55,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:55,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:55,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:55,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:55,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:55,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:55,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:55,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:55,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:55,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:55,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:55,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:55,282 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 12:45:55,282 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:45:55,282 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [425911378] [2020-07-07 12:45:55,283 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:45:55,283 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 12:45:55,283 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260701201] [2020-07-07 12:45:55,284 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 12:45:55,284 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:45:55,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 12:45:55,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-07 12:45:55,284 INFO L87 Difference]: Start difference. First operand 418 states and 448 transitions. Second operand 8 states. [2020-07-07 12:45:55,726 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:45:56,262 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:45:59,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:45:59,072 INFO L93 Difference]: Finished difference Result 1183 states and 1420 transitions. [2020-07-07 12:45:59,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-07-07 12:45:59,073 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 234 [2020-07-07 12:45:59,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:45:59,078 INFO L225 Difference]: With dead ends: 1183 [2020-07-07 12:45:59,078 INFO L226 Difference]: Without dead ends: 880 [2020-07-07 12:45:59,080 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 49 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=155, Invalid=445, Unknown=0, NotChecked=0, Total=600 [2020-07-07 12:45:59,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2020-07-07 12:45:59,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 673. [2020-07-07 12:45:59,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 673 states. [2020-07-07 12:45:59,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 740 transitions. [2020-07-07 12:45:59,280 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 740 transitions. Word has length 234 [2020-07-07 12:45:59,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:45:59,281 INFO L479 AbstractCegarLoop]: Abstraction has 673 states and 740 transitions. [2020-07-07 12:45:59,281 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 12:45:59,281 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 740 transitions. [2020-07-07 12:45:59,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-07-07 12:45:59,284 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:45:59,284 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, 1, 1, 1, 1] [2020-07-07 12:45:59,284 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-07 12:45:59,284 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:45:59,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:45:59,285 INFO L82 PathProgramCache]: Analyzing trace with hash -1214461665, now seen corresponding path program 1 times [2020-07-07 12:45:59,285 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:45:59,285 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [449232358] [2020-07-07 12:45:59,286 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:45:59,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:59,626 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:45:59,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:59,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:59,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:59,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:59,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:59,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:59,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:59,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:59,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:59,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:59,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:59,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:59,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:59,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:59,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:59,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:59,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:59,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:59,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:59,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:59,873 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 12:45:59,873 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:45:59,874 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [449232358] [2020-07-07 12:45:59,874 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:45:59,874 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-07-07 12:45:59,874 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141942624] [2020-07-07 12:45:59,875 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-07 12:45:59,875 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:45:59,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-07 12:45:59,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-07-07 12:45:59,876 INFO L87 Difference]: Start difference. First operand 673 states and 740 transitions. Second operand 15 states. [2020-07-07 12:46:00,563 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-07 12:46:01,336 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:46:02,915 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-07 12:46:03,392 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-07 12:46:03,701 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:46:03,963 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:46:04,434 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-07 12:46:04,687 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:46:04,971 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:46:05,213 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:46:07,201 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:46:07,439 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:46:07,698 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:46:08,276 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-07-07 12:46:09,581 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-07 12:46:10,075 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-07-07 12:46:10,556 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-07 12:46:11,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:46:11,242 INFO L93 Difference]: Finished difference Result 2086 states and 2498 transitions. [2020-07-07 12:46:11,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-07-07 12:46:11,242 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 239 [2020-07-07 12:46:11,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:46:11,251 INFO L225 Difference]: With dead ends: 2086 [2020-07-07 12:46:11,252 INFO L226 Difference]: Without dead ends: 1635 [2020-07-07 12:46:11,255 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1111 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=754, Invalid=2906, Unknown=0, NotChecked=0, Total=3660 [2020-07-07 12:46:11,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1635 states. [2020-07-07 12:46:11,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1635 to 1194. [2020-07-07 12:46:11,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1194 states. [2020-07-07 12:46:11,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 1194 states and 1303 transitions. [2020-07-07 12:46:11,801 INFO L78 Accepts]: Start accepts. Automaton has 1194 states and 1303 transitions. Word has length 239 [2020-07-07 12:46:11,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:46:11,801 INFO L479 AbstractCegarLoop]: Abstraction has 1194 states and 1303 transitions. [2020-07-07 12:46:11,801 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-07 12:46:11,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 1303 transitions. [2020-07-07 12:46:11,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2020-07-07 12:46:11,805 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:46:11,805 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, 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 12:46:11,805 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-07 12:46:11,806 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:46:11,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:46:11,806 INFO L82 PathProgramCache]: Analyzing trace with hash 2117034326, now seen corresponding path program 1 times [2020-07-07 12:46:11,806 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:46:11,807 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [100496960] [2020-07-07 12:46:11,807 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:46:11,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:12,199 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:46:12,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:12,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:12,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:12,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:12,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:12,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:12,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:12,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:12,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:12,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:12,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:12,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:12,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:12,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:12,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:12,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:12,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:12,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:12,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:12,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:12,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:12,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:12,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:12,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:12,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:12,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:12,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:12,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:12,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:12,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:12,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:12,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:12,805 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 12:46:12,805 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:46:12,806 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [100496960] [2020-07-07 12:46:12,806 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:46:12,806 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-07-07 12:46:12,807 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623753764] [2020-07-07 12:46:12,808 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-07 12:46:12,808 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:46:12,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-07 12:46:12,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2020-07-07 12:46:12,809 INFO L87 Difference]: Start difference. First operand 1194 states and 1303 transitions. Second operand 19 states. [2020-07-07 12:46:13,712 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 12:46:14,043 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-07 12:46:14,337 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-07-07 12:46:14,595 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:46:14,854 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-07 12:46:15,100 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:46:16,021 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-07 12:46:16,309 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-07-07 12:46:16,562 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:46:17,064 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-07-07 12:46:18,080 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-07-07 12:46:18,388 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-07-07 12:46:19,248 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:46:20,180 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-07 12:46:20,952 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 12:46:21,436 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-07-07 12:46:21,910 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-07 12:46:22,250 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:46:22,957 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:46:23,533 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-07-07 12:46:23,845 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-07-07 12:46:24,426 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-07-07 12:46:24,951 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 196 [2020-07-07 12:46:26,279 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2020-07-07 12:46:26,534 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:46:27,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:46:27,861 INFO L93 Difference]: Finished difference Result 2885 states and 3339 transitions. [2020-07-07 12:46:27,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2020-07-07 12:46:27,862 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 325 [2020-07-07 12:46:27,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:46:27,873 INFO L225 Difference]: With dead ends: 2885 [2020-07-07 12:46:27,873 INFO L226 Difference]: Without dead ends: 1908 [2020-07-07 12:46:27,879 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1916 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=1278, Invalid=5364, Unknown=0, NotChecked=0, Total=6642 [2020-07-07 12:46:27,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1908 states. [2020-07-07 12:46:28,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1908 to 1425. [2020-07-07 12:46:28,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1425 states. [2020-07-07 12:46:28,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 1425 states and 1562 transitions. [2020-07-07 12:46:28,431 INFO L78 Accepts]: Start accepts. Automaton has 1425 states and 1562 transitions. Word has length 325 [2020-07-07 12:46:28,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:46:28,432 INFO L479 AbstractCegarLoop]: Abstraction has 1425 states and 1562 transitions. [2020-07-07 12:46:28,432 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-07 12:46:28,433 INFO L276 IsEmpty]: Start isEmpty. Operand 1425 states and 1562 transitions. [2020-07-07 12:46:28,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 518 [2020-07-07 12:46:28,439 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:46:28,440 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:46:28,440 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-07 12:46:28,440 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:46:28,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:46:28,440 INFO L82 PathProgramCache]: Analyzing trace with hash -830990222, now seen corresponding path program 1 times [2020-07-07 12:46:28,441 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:46:28,441 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [180899251] [2020-07-07 12:46:28,441 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:46:28,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:28,756 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:46:28,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:28,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:28,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:28,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:28,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:28,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:28,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:28,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:28,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:28,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:28,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:28,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:28,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:28,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:28,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:28,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:28,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:28,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:28,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:28,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:28,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:28,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:28,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:29,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:29,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:29,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:29,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:29,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:29,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:29,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:29,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:29,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:29,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:29,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:29,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:29,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:29,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:29,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:29,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:29,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:29,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:29,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:29,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:29,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:29,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:29,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:29,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:29,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:29,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:29,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:29,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:29,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:29,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:29,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:29,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:29,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:29,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:29,437 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 12:46:29,437 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:46:29,438 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [180899251] [2020-07-07 12:46:29,438 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:46:29,438 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-07-07 12:46:29,438 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635083177] [2020-07-07 12:46:29,439 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-07 12:46:29,439 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:46:29,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-07 12:46:29,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-07-07 12:46:29,440 INFO L87 Difference]: Start difference. First operand 1425 states and 1562 transitions. Second operand 17 states. [2020-07-07 12:46:31,197 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:46:31,440 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:46:31,755 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:46:32,011 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:46:32,248 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:46:32,482 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:46:34,395 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:46:34,700 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:46:36,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:46:36,570 INFO L93 Difference]: Finished difference Result 4194 states and 4958 transitions. [2020-07-07 12:46:36,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-07-07 12:46:36,571 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 517 [2020-07-07 12:46:36,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:46:36,590 INFO L225 Difference]: With dead ends: 4194 [2020-07-07 12:46:36,590 INFO L226 Difference]: Without dead ends: 2689 [2020-07-07 12:46:36,597 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 125 SyntacticMatches, 3 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 492 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=486, Invalid=1676, Unknown=0, NotChecked=0, Total=2162 [2020-07-07 12:46:36,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2689 states. [2020-07-07 12:46:37,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2689 to 1847. [2020-07-07 12:46:37,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1847 states. [2020-07-07 12:46:37,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1847 states to 1847 states and 2057 transitions. [2020-07-07 12:46:37,445 INFO L78 Accepts]: Start accepts. Automaton has 1847 states and 2057 transitions. Word has length 517 [2020-07-07 12:46:37,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:46:37,446 INFO L479 AbstractCegarLoop]: Abstraction has 1847 states and 2057 transitions. [2020-07-07 12:46:37,446 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-07 12:46:37,446 INFO L276 IsEmpty]: Start isEmpty. Operand 1847 states and 2057 transitions. [2020-07-07 12:46:37,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2020-07-07 12:46:37,453 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:46:37,454 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, 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 12:46:37,454 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-07 12:46:37,454 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:46:37,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:46:37,454 INFO L82 PathProgramCache]: Analyzing trace with hash -1343403747, now seen corresponding path program 1 times [2020-07-07 12:46:37,455 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:46:37,455 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1639892397] [2020-07-07 12:46:37,455 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:46:37,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:37,778 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:46:37,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:37,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:37,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:37,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:37,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:37,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:37,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:37,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:37,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:37,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:37,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:38,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:38,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:38,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:38,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:38,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:38,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:38,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:38,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:38,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:38,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:38,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:38,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:38,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:38,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:38,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:38,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:38,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:38,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:38,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:38,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:38,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:38,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:38,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:38,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:38,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:38,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:38,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:38,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:38,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:38,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:38,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:38,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:38,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:38,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:38,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:38,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:38,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:38,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:38,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:38,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:38,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:38,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:38,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:38,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:38,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:38,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:38,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:38,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:38,341 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 12:46:38,341 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:46:38,341 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1639892397] [2020-07-07 12:46:38,341 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:46:38,342 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-07-07 12:46:38,342 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751215029] [2020-07-07 12:46:38,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-07 12:46:38,343 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:46:38,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-07 12:46:38,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2020-07-07 12:46:38,343 INFO L87 Difference]: Start difference. First operand 1847 states and 2057 transitions. Second operand 19 states. [2020-07-07 12:46:38,856 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:46:39,192 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:46:39,452 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:46:39,704 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:46:39,951 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 12:46:40,234 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:46:41,160 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:46:41,401 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:46:42,442 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:46:42,765 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:46:43,095 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:46:43,584 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:46:44,649 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:46:44,895 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:46:45,779 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:46:46,065 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:46:46,306 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:46:47,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:46:47,914 INFO L93 Difference]: Finished difference Result 3884 states and 4538 transitions. [2020-07-07 12:46:47,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-07-07 12:46:47,914 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 531 [2020-07-07 12:46:47,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:46:47,926 INFO L225 Difference]: With dead ends: 3884 [2020-07-07 12:46:47,927 INFO L226 Difference]: Without dead ends: 2290 [2020-07-07 12:46:47,932 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 797 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=665, Invalid=2641, Unknown=0, NotChecked=0, Total=3306 [2020-07-07 12:46:47,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2290 states. [2020-07-07 12:46:48,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2290 to 1775. [2020-07-07 12:46:48,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1775 states. [2020-07-07 12:46:48,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1775 states to 1775 states and 1958 transitions. [2020-07-07 12:46:48,643 INFO L78 Accepts]: Start accepts. Automaton has 1775 states and 1958 transitions. Word has length 531 [2020-07-07 12:46:48,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:46:48,644 INFO L479 AbstractCegarLoop]: Abstraction has 1775 states and 1958 transitions. [2020-07-07 12:46:48,644 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-07 12:46:48,644 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 1958 transitions. [2020-07-07 12:46:48,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2020-07-07 12:46:48,651 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:46:48,652 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, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:46:48,652 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-07-07 12:46:48,652 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:46:48,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:46:48,652 INFO L82 PathProgramCache]: Analyzing trace with hash -1677407297, now seen corresponding path program 1 times [2020-07-07 12:46:48,653 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:46:48,653 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [44275179] [2020-07-07 12:46:48,653 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:46:48,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,035 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:46:49,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:49,552 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 12:46:49,553 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:46:49,553 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [44275179] [2020-07-07 12:46:49,553 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:46:49,553 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-07-07 12:46:49,553 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553070990] [2020-07-07 12:46:49,554 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-07 12:46:49,554 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:46:49,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-07 12:46:49,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2020-07-07 12:46:49,555 INFO L87 Difference]: Start difference. First operand 1775 states and 1958 transitions. Second operand 17 states. [2020-07-07 12:46:50,094 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:46:51,101 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:46:52,735 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:46:53,023 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:46:53,334 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:46:53,643 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:46:53,899 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:46:54,172 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:46:54,415 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:46:54,691 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:46:54,966 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:46:55,322 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:46:55,601 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:46:55,925 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:46:57,808 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:46:58,307 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 197 [2020-07-07 12:46:58,765 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-07-07 12:46:59,037 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:46:59,329 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-07-07 12:46:59,600 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-07-07 12:47:01,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:47:01,433 INFO L93 Difference]: Finished difference Result 5731 states and 6740 transitions. [2020-07-07 12:47:01,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2020-07-07 12:47:01,434 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 532 [2020-07-07 12:47:01,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:47:01,456 INFO L225 Difference]: With dead ends: 5731 [2020-07-07 12:47:01,456 INFO L226 Difference]: Without dead ends: 4084 [2020-07-07 12:47:01,464 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 130 SyntacticMatches, 1 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1059 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=783, Invalid=3123, Unknown=0, NotChecked=0, Total=3906 [2020-07-07 12:47:01,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4084 states. [2020-07-07 12:47:02,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4084 to 3192. [2020-07-07 12:47:02,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3192 states. [2020-07-07 12:47:02,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3192 states to 3192 states and 3489 transitions. [2020-07-07 12:47:02,634 INFO L78 Accepts]: Start accepts. Automaton has 3192 states and 3489 transitions. Word has length 532 [2020-07-07 12:47:02,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:47:02,635 INFO L479 AbstractCegarLoop]: Abstraction has 3192 states and 3489 transitions. [2020-07-07 12:47:02,635 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-07 12:47:02,635 INFO L276 IsEmpty]: Start isEmpty. Operand 3192 states and 3489 transitions. [2020-07-07 12:47:02,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2020-07-07 12:47:02,650 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:47:02,650 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, 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 12:47:02,651 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-07-07 12:47:02,651 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:47:02,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:47:02,651 INFO L82 PathProgramCache]: Analyzing trace with hash -822119102, now seen corresponding path program 1 times [2020-07-07 12:47:02,651 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:47:02,652 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [730045436] [2020-07-07 12:47:02,652 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:47:02,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:02,958 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:47:02,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:02,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:02,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:02,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:03,834 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 12:47:03,835 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:47:03,835 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [730045436] [2020-07-07 12:47:03,835 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:47:03,836 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2020-07-07 12:47:03,836 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768344815] [2020-07-07 12:47:03,837 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-07-07 12:47:03,837 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:47:03,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-07-07 12:47:03,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2020-07-07 12:47:03,838 INFO L87 Difference]: Start difference. First operand 3192 states and 3489 transitions. Second operand 23 states. [2020-07-07 12:47:04,421 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:47:04,793 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:47:05,064 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:47:05,320 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:47:05,567 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 12:47:05,805 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:47:06,705 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:47:08,569 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:47:08,866 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:47:09,191 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:47:09,513 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:47:09,774 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:47:10,055 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:47:10,301 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:47:10,589 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:47:10,874 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:47:11,227 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:47:11,498 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:47:11,789 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:47:12,355 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 12:47:12,982 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-07-07 12:47:13,467 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 12:47:17,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:47:17,734 INFO L93 Difference]: Finished difference Result 7010 states and 8091 transitions. [2020-07-07 12:47:17,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2020-07-07 12:47:17,735 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 533 [2020-07-07 12:47:17,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:47:17,757 INFO L225 Difference]: With dead ends: 7010 [2020-07-07 12:47:17,757 INFO L226 Difference]: Without dead ends: 4190 [2020-07-07 12:47:17,768 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 136 SyntacticMatches, 3 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1923 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=1192, Invalid=5288, Unknown=0, NotChecked=0, Total=6480 [2020-07-07 12:47:17,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4190 states. [2020-07-07 12:47:18,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4190 to 2983. [2020-07-07 12:47:18,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2983 states. [2020-07-07 12:47:18,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2983 states to 2983 states and 3242 transitions. [2020-07-07 12:47:18,929 INFO L78 Accepts]: Start accepts. Automaton has 2983 states and 3242 transitions. Word has length 533 [2020-07-07 12:47:18,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:47:18,930 INFO L479 AbstractCegarLoop]: Abstraction has 2983 states and 3242 transitions. [2020-07-07 12:47:18,930 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-07-07 12:47:18,930 INFO L276 IsEmpty]: Start isEmpty. Operand 2983 states and 3242 transitions. [2020-07-07 12:47:18,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 539 [2020-07-07 12:47:18,939 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:47:18,940 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, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:47:18,940 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-07-07 12:47:18,940 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:47:18,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:47:18,940 INFO L82 PathProgramCache]: Analyzing trace with hash 1789840089, now seen corresponding path program 1 times [2020-07-07 12:47:18,941 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:47:18,941 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [243871495] [2020-07-07 12:47:18,941 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:47:19,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,268 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:47:19,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:19,900 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 12:47:19,900 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:47:19,900 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [243871495] [2020-07-07 12:47:19,900 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:47:19,900 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2020-07-07 12:47:19,901 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945123006] [2020-07-07 12:47:19,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-07-07 12:47:19,901 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:47:19,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-07-07 12:47:19,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2020-07-07 12:47:19,902 INFO L87 Difference]: Start difference. First operand 2983 states and 3242 transitions. Second operand 23 states. [2020-07-07 12:47:20,555 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:47:20,919 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:47:21,174 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:47:21,431 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:47:21,682 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 12:47:21,919 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:47:22,841 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:47:24,697 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:47:24,991 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:47:25,329 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:47:25,653 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:47:25,914 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:47:26,282 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:47:26,528 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:47:26,814 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:47:27,096 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:47:27,452 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:47:27,723 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:47:28,003 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:47:30,394 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 12:47:30,895 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-07-07 12:47:31,358 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 12:47:33,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:47:33,607 INFO L93 Difference]: Finished difference Result 6459 states and 7411 transitions. [2020-07-07 12:47:33,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2020-07-07 12:47:33,612 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 538 [2020-07-07 12:47:33,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:47:33,632 INFO L225 Difference]: With dead ends: 6459 [2020-07-07 12:47:33,632 INFO L226 Difference]: Without dead ends: 3848 [2020-07-07 12:47:33,642 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 138 SyntacticMatches, 1 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1949 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=1207, Invalid=5435, Unknown=0, NotChecked=0, Total=6642 [2020-07-07 12:47:33,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3848 states. [2020-07-07 12:47:34,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3848 to 2754. [2020-07-07 12:47:34,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2754 states. [2020-07-07 12:47:34,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2754 states to 2754 states and 2991 transitions. [2020-07-07 12:47:34,681 INFO L78 Accepts]: Start accepts. Automaton has 2754 states and 2991 transitions. Word has length 538 [2020-07-07 12:47:34,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:47:34,681 INFO L479 AbstractCegarLoop]: Abstraction has 2754 states and 2991 transitions. [2020-07-07 12:47:34,681 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-07-07 12:47:34,682 INFO L276 IsEmpty]: Start isEmpty. Operand 2754 states and 2991 transitions. [2020-07-07 12:47:34,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 539 [2020-07-07 12:47:34,690 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:47:34,691 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, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:47:34,691 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-07-07 12:47:34,691 INFO L427 AbstractCegarLoop]: === Iteration 16 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:47:34,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:47:34,691 INFO L82 PathProgramCache]: Analyzing trace with hash -835229441, now seen corresponding path program 2 times [2020-07-07 12:47:34,692 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:47:34,692 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [178932721] [2020-07-07 12:47:34,692 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:47:34,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:34,995 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:47:35,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:35,593 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 12:47:35,594 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:47:35,594 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [178932721] [2020-07-07 12:47:35,594 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:47:35,594 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-07-07 12:47:35,594 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808415986] [2020-07-07 12:47:35,595 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-07 12:47:35,595 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:47:35,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-07 12:47:35,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2020-07-07 12:47:35,596 INFO L87 Difference]: Start difference. First operand 2754 states and 2991 transitions. Second operand 19 states. [2020-07-07 12:47:36,115 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:47:38,866 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:47:39,267 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:47:40,010 WARN L193 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-07 12:47:40,411 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:47:41,093 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-07-07 12:47:41,480 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:47:42,025 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-07 12:47:42,319 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:47:42,591 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:47:42,834 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:47:43,076 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:47:45,559 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:47:45,826 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:47:49,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:47:49,519 INFO L93 Difference]: Finished difference Result 6677 states and 7828 transitions. [2020-07-07 12:47:49,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2020-07-07 12:47:49,521 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 538 [2020-07-07 12:47:49,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:47:49,549 INFO L225 Difference]: With dead ends: 6677 [2020-07-07 12:47:49,550 INFO L226 Difference]: Without dead ends: 5076 [2020-07-07 12:47:49,557 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 152 SyntacticMatches, 5 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2081 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=1162, Invalid=5318, Unknown=0, NotChecked=0, Total=6480 [2020-07-07 12:47:49,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5076 states. [2020-07-07 12:47:50,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5076 to 3301. [2020-07-07 12:47:50,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3301 states. [2020-07-07 12:47:50,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3301 states to 3301 states and 3576 transitions. [2020-07-07 12:47:50,683 INFO L78 Accepts]: Start accepts. Automaton has 3301 states and 3576 transitions. Word has length 538 [2020-07-07 12:47:50,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:47:50,684 INFO L479 AbstractCegarLoop]: Abstraction has 3301 states and 3576 transitions. [2020-07-07 12:47:50,684 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-07 12:47:50,684 INFO L276 IsEmpty]: Start isEmpty. Operand 3301 states and 3576 transitions. [2020-07-07 12:47:50,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 554 [2020-07-07 12:47:50,693 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:47:50,694 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, 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 12:47:50,694 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-07-07 12:47:50,694 INFO L427 AbstractCegarLoop]: === Iteration 17 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:47:50,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:47:50,695 INFO L82 PathProgramCache]: Analyzing trace with hash 1795671739, now seen corresponding path program 1 times [2020-07-07 12:47:50,695 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:47:50,695 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [532338288] [2020-07-07 12:47:50,696 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:47:50,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,166 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:47:51,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:51,733 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 12:47:51,733 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:47:51,734 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [532338288] [2020-07-07 12:47:51,734 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:47:51,734 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-07-07 12:47:51,734 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206218869] [2020-07-07 12:47:51,734 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-07 12:47:51,735 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:47:51,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-07 12:47:51,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2020-07-07 12:47:51,735 INFO L87 Difference]: Start difference. First operand 3301 states and 3576 transitions. Second operand 19 states. [2020-07-07 12:47:52,261 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:47:53,835 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:47:54,635 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:47:54,904 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:47:55,410 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-07 12:47:55,674 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:47:56,303 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 193 [2020-07-07 12:47:56,565 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:47:57,016 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-07 12:47:57,522 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-07-07 12:47:58,037 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 197 [2020-07-07 12:47:58,512 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-07-07 12:47:58,791 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:48:01,173 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:48:01,442 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:48:02,775 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:48:03,867 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:48:04,135 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:48:04,612 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 12:48:04,850 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:48:05,337 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-07-07 12:48:05,581 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:48:06,037 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 12:48:06,310 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:48:06,597 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-07-07 12:48:06,868 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:48:12,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:48:12,957 INFO L93 Difference]: Finished difference Result 8891 states and 10524 transitions. [2020-07-07 12:48:12,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2020-07-07 12:48:12,957 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 553 [2020-07-07 12:48:12,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:48:12,984 INFO L225 Difference]: With dead ends: 8891 [2020-07-07 12:48:12,984 INFO L226 Difference]: Without dead ends: 6982 [2020-07-07 12:48:12,996 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 181 SyntacticMatches, 6 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5700 ImplicationChecksByTransitivity, 10.3s TimeCoverageRelationStatistics Valid=2467, Invalid=12785, Unknown=0, NotChecked=0, Total=15252 [2020-07-07 12:48:13,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6982 states. [2020-07-07 12:48:14,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6982 to 4064. [2020-07-07 12:48:14,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4064 states. [2020-07-07 12:48:14,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4064 states to 4064 states and 4391 transitions. [2020-07-07 12:48:14,437 INFO L78 Accepts]: Start accepts. Automaton has 4064 states and 4391 transitions. Word has length 553 [2020-07-07 12:48:14,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:48:14,438 INFO L479 AbstractCegarLoop]: Abstraction has 4064 states and 4391 transitions. [2020-07-07 12:48:14,438 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-07 12:48:14,438 INFO L276 IsEmpty]: Start isEmpty. Operand 4064 states and 4391 transitions. [2020-07-07 12:48:14,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 641 [2020-07-07 12:48:14,449 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:48:14,449 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, 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 12:48:14,450 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-07-07 12:48:14,450 INFO L427 AbstractCegarLoop]: === Iteration 18 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:48:14,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:48:14,450 INFO L82 PathProgramCache]: Analyzing trace with hash 1879765246, now seen corresponding path program 3 times [2020-07-07 12:48:14,450 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:48:14,451 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2101013597] [2020-07-07 12:48:14,451 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:48:14,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:14,782 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:48:14,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:14,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:14,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:14,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:14,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:14,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:14,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:14,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:14,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:14,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:14,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:14,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:14,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:14,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:14,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:14,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:14,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:14,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:14,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:14,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:14,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:14,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:14,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:14,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:14,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:14,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:14,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:14,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:14,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:14,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:14,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:14,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:14,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:14,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:14,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:14,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:14,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:14,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:14,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:14,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:14,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:14,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:14,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:14,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:14,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:14,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:14,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:14,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:14,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:14,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:14,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:14,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:14,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:14,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:15,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:15,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:15,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:15,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:15,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:15,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:15,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:15,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:15,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:15,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:15,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:15,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:15,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:15,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:15,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:15,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:15,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:15,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:15,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:15,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:15,447 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 12:48:15,447 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:48:15,447 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2101013597] [2020-07-07 12:48:15,447 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:48:15,448 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-07-07 12:48:15,448 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712940935] [2020-07-07 12:48:15,449 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-07-07 12:48:15,449 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:48:15,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-07-07 12:48:15,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2020-07-07 12:48:15,449 INFO L87 Difference]: Start difference. First operand 4064 states and 4391 transitions. Second operand 18 states. [2020-07-07 12:48:15,995 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:48:16,909 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:48:17,920 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:48:18,687 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:48:18,951 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:48:19,444 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-07 12:48:19,709 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:48:20,165 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-07-07 12:48:20,422 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:48:20,862 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-07 12:48:27,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:48:27,305 INFO L93 Difference]: Finished difference Result 8364 states and 9629 transitions. [2020-07-07 12:48:27,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2020-07-07 12:48:27,306 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 640 [2020-07-07 12:48:27,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:48:27,330 INFO L225 Difference]: With dead ends: 8364 [2020-07-07 12:48:27,331 INFO L226 Difference]: Without dead ends: 5747 [2020-07-07 12:48:27,340 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 171 SyntacticMatches, 4 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1755 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=1049, Invalid=4207, Unknown=0, NotChecked=0, Total=5256 [2020-07-07 12:48:27,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5747 states. [2020-07-07 12:48:28,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5747 to 3838. [2020-07-07 12:48:28,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3838 states. [2020-07-07 12:48:28,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3838 states to 3838 states and 4113 transitions. [2020-07-07 12:48:28,786 INFO L78 Accepts]: Start accepts. Automaton has 3838 states and 4113 transitions. Word has length 640 [2020-07-07 12:48:28,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:48:28,787 INFO L479 AbstractCegarLoop]: Abstraction has 3838 states and 4113 transitions. [2020-07-07 12:48:28,787 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-07-07 12:48:28,787 INFO L276 IsEmpty]: Start isEmpty. Operand 3838 states and 4113 transitions. [2020-07-07 12:48:28,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 656 [2020-07-07 12:48:28,795 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:48:28,795 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, 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 12:48:28,795 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-07-07 12:48:28,795 INFO L427 AbstractCegarLoop]: === Iteration 19 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:48:28,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:48:28,796 INFO L82 PathProgramCache]: Analyzing trace with hash 622944476, now seen corresponding path program 2 times [2020-07-07 12:48:28,796 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:48:28,796 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1825969295] [2020-07-07 12:48:28,796 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:48:28,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,202 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:48:29,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:29,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 12:48:29,713 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:48:29,713 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1825969295] [2020-07-07 12:48:29,714 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:48:29,714 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-07-07 12:48:29,714 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482662901] [2020-07-07 12:48:29,714 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-07 12:48:29,714 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:48:29,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-07 12:48:29,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2020-07-07 12:48:29,715 INFO L87 Difference]: Start difference. First operand 3838 states and 4113 transitions. Second operand 15 states. [2020-07-07 12:48:30,229 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:48:30,881 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:48:31,770 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:48:35,658 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:48:41,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:48:41,325 INFO L93 Difference]: Finished difference Result 9133 states and 10536 transitions. [2020-07-07 12:48:41,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2020-07-07 12:48:41,325 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 655 [2020-07-07 12:48:41,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:48:41,346 INFO L225 Difference]: With dead ends: 9133 [2020-07-07 12:48:41,346 INFO L226 Difference]: Without dead ends: 6742 [2020-07-07 12:48:41,353 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 193 SyntacticMatches, 5 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2635 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=1284, Invalid=6026, Unknown=0, NotChecked=0, Total=7310 [2020-07-07 12:48:41,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6742 states. [2020-07-07 12:48:42,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6742 to 4342. [2020-07-07 12:48:42,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4342 states. [2020-07-07 12:48:42,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4342 states to 4342 states and 4652 transitions. [2020-07-07 12:48:42,979 INFO L78 Accepts]: Start accepts. Automaton has 4342 states and 4652 transitions. Word has length 655 [2020-07-07 12:48:42,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:48:42,980 INFO L479 AbstractCegarLoop]: Abstraction has 4342 states and 4652 transitions. [2020-07-07 12:48:42,980 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-07 12:48:42,980 INFO L276 IsEmpty]: Start isEmpty. Operand 4342 states and 4652 transitions. [2020-07-07 12:48:42,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 656 [2020-07-07 12:48:42,990 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:48:42,991 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, 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 12:48:42,991 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-07-07 12:48:42,991 INFO L427 AbstractCegarLoop]: === Iteration 20 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:48:42,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:48:42,992 INFO L82 PathProgramCache]: Analyzing trace with hash 84137668, now seen corresponding path program 1 times [2020-07-07 12:48:42,992 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:48:42,992 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1665022109] [2020-07-07 12:48:42,992 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:48:43,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,377 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:48:43,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:43,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:44,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:44,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:44,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:44,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:44,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:44,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:44,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:44,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:44,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:44,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:44,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:48:44,288 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 12:48:44,288 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:48:44,289 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1665022109] [2020-07-07 12:48:44,289 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:48:44,289 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-07-07 12:48:44,289 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411600065] [2020-07-07 12:48:44,290 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-07-07 12:48:44,290 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:48:44,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-07-07 12:48:44,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=579, Unknown=0, NotChecked=0, Total=650 [2020-07-07 12:48:44,290 INFO L87 Difference]: Start difference. First operand 4342 states and 4652 transitions. Second operand 26 states. [2020-07-07 12:48:45,063 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-07-07 12:48:46,242 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-07-07 12:48:48,483 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-07-07 12:48:48,998 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 195 [2020-07-07 12:48:49,541 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 191 [2020-07-07 12:48:50,036 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-07-07 12:48:50,528 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 193 [2020-07-07 12:48:51,021 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 195 [2020-07-07 12:48:51,496 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 191 [2020-07-07 12:48:51,999 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-07 12:48:52,492 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-07-07 12:48:52,948 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-07 12:48:56,282 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-07-07 12:48:57,281 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-07-07 12:48:57,775 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 195 [2020-07-07 12:48:58,264 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 191 [2020-07-07 12:48:58,787 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 193 [2020-07-07 12:48:59,291 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 191 [2020-07-07 12:49:02,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:49:02,889 INFO L93 Difference]: Finished difference Result 8256 states and 9277 transitions. [2020-07-07 12:49:02,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2020-07-07 12:49:02,890 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 655 [2020-07-07 12:49:02,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:49:02,893 INFO L225 Difference]: With dead ends: 8256 [2020-07-07 12:49:02,893 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 12:49:02,910 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 179 SyntacticMatches, 8 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2788 ImplicationChecksByTransitivity, 10.6s TimeCoverageRelationStatistics Valid=1305, Invalid=7437, Unknown=0, NotChecked=0, Total=8742 [2020-07-07 12:49:02,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 12:49:02,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 12:49:02,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 12:49:02,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 12:49:02,912 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 655 [2020-07-07 12:49:02,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:49:02,912 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 12:49:02,912 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-07-07 12:49:02,912 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 12:49:02,912 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 12:49:02,913 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-07-07 12:49:02,915 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 12:49:14,165 WARN L193 SmtUtils]: Spent 11.21 s on a formula simplification. DAG size of input: 1578 DAG size of output: 1219 [2020-07-07 12:49:14,338 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 235 [2020-07-07 12:49:14,592 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 237 [2020-07-07 12:49:16,808 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 239 [2020-07-07 12:49:24,519 WARN L193 SmtUtils]: Spent 7.67 s on a formula simplification. DAG size of input: 1318 DAG size of output: 1051 [2020-07-07 12:49:27,994 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 245 [2020-07-07 12:49:28,279 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 248 [2020-07-07 12:49:28,482 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 236 [2020-07-07 12:49:28,668 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 249 [2020-07-07 12:49:28,882 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 238 [2020-07-07 12:49:29,194 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 246 [2020-07-07 12:49:30,999 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 252 [2020-07-07 12:49:31,400 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 255 [2020-07-07 12:49:31,664 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 262 [2020-07-07 12:49:31,857 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 251 [2020-07-07 12:49:32,131 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 262 [2020-07-07 12:49:32,301 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 248 [2020-07-07 12:49:32,502 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 253 [2020-07-07 12:49:35,848 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 244 [2020-07-07 12:49:36,096 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 247 [2020-07-07 12:49:36,828 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 245 [2020-07-07 12:49:37,371 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 249 [2020-07-07 12:49:37,607 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 236 [2020-07-07 12:49:37,902 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 248 [2020-07-07 12:49:38,207 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 238 [2020-07-07 12:49:38,871 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 244 [2020-07-07 12:49:39,105 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 235 [2020-07-07 12:49:39,308 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 247 [2020-07-07 12:49:39,754 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 237 [2020-07-07 12:49:40,341 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 245 [2020-07-07 12:49:40,445 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 237 [2020-07-07 12:49:40,951 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 249 [2020-07-07 12:49:41,202 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 236 [2020-07-07 12:49:41,491 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 248 [2020-07-07 12:49:41,798 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 238 [2020-07-07 12:50:02,175 WARN L193 SmtUtils]: Spent 10.13 s on a formula simplification. DAG size of input: 1578 DAG size of output: 1219 [2020-07-07 12:50:07,333 WARN L193 SmtUtils]: Spent 4.80 s on a formula simplification. DAG size of input: 1093 DAG size of output: 825 [2020-07-07 12:50:14,767 WARN L193 SmtUtils]: Spent 7.41 s on a formula simplification. DAG size of input: 1318 DAG size of output: 1051 [2020-07-07 12:50:17,076 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 238 [2020-07-07 12:50:17,204 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 238 [2020-07-07 12:50:17,403 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 238 [2020-07-07 12:50:17,531 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 238 [2020-07-07 12:50:27,688 WARN L193 SmtUtils]: Spent 10.04 s on a formula simplification. DAG size of input: 1578 DAG size of output: 1219 [2020-07-07 12:50:44,542 WARN L193 SmtUtils]: Spent 11.97 s on a formula simplification. DAG size of input: 1653 DAG size of output: 1328 [2020-07-07 12:50:48,266 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 236 [2020-07-07 12:50:48,515 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 236 [2020-07-07 12:50:48,636 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 236 [2020-07-07 12:50:48,765 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 238 [2020-07-07 12:50:49,250 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 238 [2020-07-07 12:50:49,378 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 238 [2020-07-07 12:50:49,894 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 236 [2020-07-07 12:50:50,018 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 236 [2020-07-07 12:50:50,565 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 236 [2020-07-07 12:50:50,705 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 236 [2020-07-07 12:50:51,059 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 238 [2020-07-07 12:50:51,224 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 238 [2020-07-07 12:50:53,802 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 245 [2020-07-07 12:50:53,920 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 245 [2020-07-07 12:50:54,448 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 245 [2020-07-07 12:50:54,563 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 245 [2020-07-07 12:50:54,789 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 248 [2020-07-07 12:50:54,916 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 248 [2020-07-07 12:50:55,127 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 236 [2020-07-07 12:50:55,277 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 249 [2020-07-07 12:50:55,408 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 249 [2020-07-07 12:50:55,532 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 236 [2020-07-07 12:50:55,922 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 238 [2020-07-07 12:50:56,047 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 238 [2020-07-07 12:50:56,355 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 236 [2020-07-07 12:50:56,478 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 236 [2020-07-07 12:50:56,740 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 246 [2020-07-07 12:50:56,910 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 246 [2020-07-07 12:50:57,035 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 238 [2020-07-07 12:50:57,168 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 238 [2020-07-07 12:50:57,594 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 236 [2020-07-07 12:50:57,724 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 236 [2020-07-07 12:50:58,265 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 236 [2020-07-07 12:50:58,406 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 236 [2020-07-07 12:50:58,891 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 238 [2020-07-07 12:50:59,018 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 238 [2020-07-07 12:51:11,549 WARN L193 SmtUtils]: Spent 6.70 s on a formula simplification. DAG size of input: 1254 DAG size of output: 1002 [2020-07-07 12:51:23,475 WARN L193 SmtUtils]: Spent 9.95 s on a formula simplification. DAG size of input: 1578 DAG size of output: 1219 [2020-07-07 12:51:33,427 WARN L193 SmtUtils]: Spent 9.95 s on a formula simplification. DAG size of input: 1578 DAG size of output: 1219 [2020-07-07 12:51:45,915 WARN L193 SmtUtils]: Spent 4.63 s on a formula simplification. DAG size of input: 1093 DAG size of output: 825 [2020-07-07 12:51:50,487 WARN L193 SmtUtils]: Spent 4.57 s on a formula simplification. DAG size of input: 981 DAG size of output: 731 [2020-07-07 12:51:55,082 WARN L193 SmtUtils]: Spent 4.59 s on a formula simplification. DAG size of input: 1093 DAG size of output: 825 [2020-07-07 12:52:03,069 WARN L193 SmtUtils]: Spent 7.32 s on a formula simplification. DAG size of input: 1318 DAG size of output: 1051 [2020-07-07 12:52:10,393 WARN L193 SmtUtils]: Spent 7.32 s on a formula simplification. DAG size of input: 1318 DAG size of output: 1051 [2020-07-07 12:52:10,775 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 249 [2020-07-07 12:52:11,307 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 251 [2020-07-07 12:52:13,103 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 236 [2020-07-07 12:52:13,300 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 236 [2020-07-07 12:52:14,155 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 236 [2020-07-07 12:52:14,345 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 236 [2020-07-07 12:52:14,638 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 236 [2020-07-07 12:52:14,764 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 236 [2020-07-07 12:52:14,888 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 236 [2020-07-07 12:52:15,787 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 253 [2020-07-07 12:52:15,951 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 258 [2020-07-07 12:52:16,939 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 253 [2020-07-07 12:52:17,187 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 258 [2020-07-07 12:52:24,440 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 249 [2020-07-07 12:52:24,829 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 252 [2020-07-07 12:52:25,090 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 254 [2020-07-07 12:52:25,324 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 254 [2020-07-07 12:52:25,559 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 257 [2020-07-07 12:52:25,899 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 250 [2020-07-07 12:52:31,246 WARN L193 SmtUtils]: Spent 4.61 s on a formula simplification. DAG size of input: 1093 DAG size of output: 825 [2020-07-07 12:52:36,054 WARN L193 SmtUtils]: Spent 4.62 s on a formula simplification. DAG size of input: 1093 DAG size of output: 825 [2020-07-07 12:52:40,627 WARN L193 SmtUtils]: Spent 4.56 s on a formula simplification. DAG size of input: 1093 DAG size of output: 825 [2020-07-07 12:52:42,100 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 236 [2020-07-07 12:52:42,300 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 236 [2020-07-07 12:52:43,287 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 236 [2020-07-07 12:52:43,480 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 236 [2020-07-07 12:52:43,758 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 236 [2020-07-07 12:52:43,882 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 236 [2020-07-07 12:52:44,006 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 236 [2020-07-07 12:52:44,234 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 238 [2020-07-07 12:52:44,402 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 238 [2020-07-07 12:52:44,648 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 238 [2020-07-07 12:52:44,778 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 238 [2020-07-07 12:52:45,205 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 248 [2020-07-07 12:52:45,545 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 248 [2020-07-07 12:52:45,672 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 248 [2020-07-07 12:52:46,007 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 248 [2020-07-07 12:52:46,341 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 250 [2020-07-07 12:52:46,465 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 250 [2020-07-07 12:52:49,126 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 246 [2020-07-07 12:52:49,597 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 245 [2020-07-07 12:52:50,021 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 248 [2020-07-07 12:52:50,225 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 236 [2020-07-07 12:52:50,432 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 249 [2020-07-07 12:52:50,707 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 238 [2020-07-07 12:53:00,951 WARN L193 SmtUtils]: Spent 9.88 s on a formula simplification. DAG size of input: 1578 DAG size of output: 1219 [2020-07-07 12:53:13,227 WARN L193 SmtUtils]: Spent 9.92 s on a formula simplification. DAG size of input: 1578 DAG size of output: 1219 [2020-07-07 12:53:25,591 WARN L193 SmtUtils]: Spent 10.52 s on a formula simplification. DAG size of input: 1578 DAG size of output: 1219 [2020-07-07 12:53:35,548 WARN L193 SmtUtils]: Spent 9.93 s on a formula simplification. DAG size of input: 1578 DAG size of output: 1219 [2020-07-07 12:53:36,748 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 245 [2020-07-07 12:53:37,027 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 248 [2020-07-07 12:53:37,230 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 236 [2020-07-07 12:53:37,413 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 249 [2020-07-07 12:53:37,624 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 238 [2020-07-07 12:53:37,934 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 246 [2020-07-07 12:53:39,955 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 252 [2020-07-07 12:53:40,347 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 255 [2020-07-07 12:53:40,616 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 262 [2020-07-07 12:53:40,806 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 251 [2020-07-07 12:53:41,077 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 262 [2020-07-07 12:53:41,247 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 248 [2020-07-07 12:53:41,449 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 253 [2020-07-07 12:54:11,347 WARN L193 SmtUtils]: Spent 29.04 s on a formula simplification. DAG size of input: 1045 DAG size of output: 65 [2020-07-07 12:54:14,434 WARN L193 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 264 DAG size of output: 43 [2020-07-07 12:54:16,468 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 189 DAG size of output: 41 [2020-07-07 12:54:17,208 WARN L193 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 1 [2020-07-07 12:54:18,535 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 249 DAG size of output: 47 [2020-07-07 12:54:18,720 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-07 12:54:18,904 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-07 12:54:41,678 WARN L193 SmtUtils]: Spent 22.77 s on a formula simplification. DAG size of input: 905 DAG size of output: 55 [2020-07-07 12:54:44,343 WARN L193 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 268 DAG size of output: 48 [2020-07-07 12:54:44,743 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-07-07 12:54:45,811 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 209 DAG size of output: 46 [2020-07-07 12:54:48,180 WARN L193 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 260 DAG size of output: 41 [2020-07-07 12:54:48,409 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 1 [2020-07-07 12:54:50,305 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 405 DAG size of output: 1 [2020-07-07 12:54:50,708 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-07-07 12:54:51,275 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 28 [2020-07-07 12:54:52,150 WARN L193 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 25 [2020-07-07 12:54:57,098 WARN L193 SmtUtils]: Spent 4.92 s on a formula simplification. DAG size of input: 458 DAG size of output: 58 [2020-07-07 12:54:58,941 WARN L193 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 251 DAG size of output: 38 [2020-07-07 12:54:59,107 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 23 [2020-07-07 12:55:01,500 WARN L193 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 260 DAG size of output: 41 [2020-07-07 12:55:04,017 WARN L193 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 209 DAG size of output: 51 [2020-07-07 12:55:04,230 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-07 12:55:08,008 WARN L193 SmtUtils]: Spent 3.76 s on a formula simplification. DAG size of input: 388 DAG size of output: 68 [2020-07-07 12:55:09,288 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 267 DAG size of output: 47 [2020-07-07 12:55:13,030 WARN L193 SmtUtils]: Spent 3.72 s on a formula simplification. DAG size of input: 388 DAG size of output: 68 [2020-07-07 12:55:13,177 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 1 [2020-07-07 12:55:15,294 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 192 DAG size of output: 46 [2020-07-07 12:55:17,450 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 264 DAG size of output: 46 [2020-07-07 12:55:18,186 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 1 [2020-07-07 12:55:19,234 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 209 DAG size of output: 46 [2020-07-07 12:55:20,989 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 247 DAG size of output: 72 [2020-07-07 12:55:23,008 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 280 DAG size of output: 77 [2020-07-07 12:55:24,300 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 234 DAG size of output: 47 [2020-07-07 12:55:24,451 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 1 [2020-07-07 12:55:26,369 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 217 DAG size of output: 46 [2020-07-07 12:55:28,285 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 217 DAG size of output: 46 [2020-07-07 12:55:30,385 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 223 DAG size of output: 45 [2020-07-07 12:55:30,580 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 19 [2020-07-07 12:55:32,583 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 277 DAG size of output: 78 [2020-07-07 12:55:32,991 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 28 [2020-07-07 12:55:35,172 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 192 DAG size of output: 46 [2020-07-07 12:55:36,085 WARN L193 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 23 [2020-07-07 12:55:36,680 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 32 [2020-07-07 12:56:05,803 WARN L193 SmtUtils]: Spent 29.07 s on a formula simplification. DAG size of input: 1045 DAG size of output: 65 [2020-07-07 12:56:07,135 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 259 DAG size of output: 53 [2020-07-07 12:56:21,193 WARN L193 SmtUtils]: Spent 14.05 s on a formula simplification. DAG size of input: 694 DAG size of output: 52 [2020-07-07 12:56:21,393 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-07-07 12:56:44,277 WARN L193 SmtUtils]: Spent 22.88 s on a formula simplification. DAG size of input: 905 DAG size of output: 55 [2020-07-07 12:56:45,405 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 252 DAG size of output: 52 [2020-07-07 12:56:47,665 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 249 DAG size of output: 45 [2020-07-07 12:56:49,933 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 249 DAG size of output: 45 [2020-07-07 12:56:51,632 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 246 DAG size of output: 33 [2020-07-07 12:56:53,752 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 246 DAG size of output: 41 [2020-07-07 12:56:54,158 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-07-07 12:56:54,748 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 30 [2020-07-07 12:56:55,355 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 28 [2020-07-07 12:56:57,056 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 287 DAG size of output: 46 [2020-07-07 12:57:26,375 WARN L193 SmtUtils]: Spent 29.31 s on a formula simplification. DAG size of input: 1045 DAG size of output: 65 [2020-07-07 12:57:28,067 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 244 DAG size of output: 30 [2020-07-07 12:57:29,744 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 244 DAG size of output: 30 [2020-07-07 12:57:29,891 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 1 [2020-07-07 12:57:30,308 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-07-07 12:57:31,064 WARN L193 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 1 [2020-07-07 12:57:33,101 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 223 DAG size of output: 50 [2020-07-07 12:57:34,453 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 234 DAG size of output: 47 [2020-07-07 12:58:19,909 WARN L193 SmtUtils]: Spent 45.44 s on a formula simplification. DAG size of input: 1220 DAG size of output: 69 [2020-07-07 12:58:20,056 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 1 [2020-07-07 12:58:20,926 WARN L193 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 25 [2020-07-07 12:58:22,075 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 252 DAG size of output: 52 [2020-07-07 12:58:23,854 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 246 DAG size of output: 31 [2020-07-07 12:58:25,063 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 240 DAG size of output: 44 [2020-07-07 12:58:25,648 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 30 [2020-07-07 12:58:26,234 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 32 [2020-07-07 12:58:29,953 WARN L193 SmtUtils]: Spent 3.66 s on a formula simplification. DAG size of input: 387 DAG size of output: 50 [2020-07-07 12:58:30,152 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 29 [2020-07-07 12:58:31,891 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 240 DAG size of output: 70 [2020-07-07 12:58:34,628 WARN L193 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 268 DAG size of output: 47 [2020-07-07 12:58:34,916 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 40 [2020-07-07 12:58:36,303 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 241 DAG size of output: 39 [2020-07-07 12:58:41,211 WARN L193 SmtUtils]: Spent 4.88 s on a formula simplification. DAG size of input: 414 DAG size of output: 64