/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 12:52:44,768 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 12:52:44,771 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 12:52:44,789 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 12:52:44,790 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 12:52:44,792 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 12:52:44,794 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 12:52:44,801 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 12:52:44,803 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 12:52:44,803 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 12:52:44,804 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 12:52:44,805 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 12:52:44,806 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 12:52:44,807 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 12:52:44,808 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 12:52:44,809 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 12:52:44,809 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 12:52:44,810 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 12:52:44,812 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 12:52:44,813 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 12:52:44,815 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 12:52:44,816 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 12:52:44,817 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 12:52:44,818 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 12:52:44,820 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 12:52:44,820 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 12:52:44,820 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 12:52:44,821 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 12:52:44,822 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 12:52:44,823 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 12:52:44,823 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 12:52:44,823 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 12:52:44,824 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 12:52:44,825 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 12:52:44,826 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 12:52:44,826 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 12:52:44,827 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 12:52:44,827 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 12:52:44,827 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 12:52:44,828 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 12:52:44,828 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 12:52:44,829 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 12:52:44,838 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 12:52:44,839 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 12:52:44,840 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 12:52:44,840 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 12:52:44,840 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 12:52:44,840 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 12:52:44,841 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 12:52:44,841 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 12:52:44,841 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 12:52:44,841 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 12:52:44,841 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 12:52:44,842 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 12:52:44,842 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 12:52:44,842 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 12:52:44,842 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 12:52:44,842 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-07 12:52:44,843 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 12:52:44,843 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 12:52:44,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 12:52:44,843 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 12:52:44,843 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-07 12:52:44,844 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 12:52:44,844 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-07 12:52:45,105 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 12:52:45,119 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 12:52:45,123 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 12:52:45,124 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 12:52:45,124 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 12:52:45,125 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c [2020-07-07 12:52:45,198 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/655a21c70/24059cbf082d488ea5c49624fa6d6e59/FLAG6f974f283 [2020-07-07 12:52:45,698 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 12:52:45,705 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c [2020-07-07 12:52:45,724 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/655a21c70/24059cbf082d488ea5c49624fa6d6e59/FLAG6f974f283 [2020-07-07 12:52:46,003 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/655a21c70/24059cbf082d488ea5c49624fa6d6e59 [2020-07-07 12:52:46,012 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 12:52:46,014 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 12:52:46,016 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 12:52:46,016 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 12:52:46,019 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 12:52:46,020 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 12:52:46" (1/1) ... [2020-07-07 12:52:46,023 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5888c512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:52:46, skipping insertion in model container [2020-07-07 12:52:46,023 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 12:52:46" (1/1) ... [2020-07-07 12:52:46,031 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 12:52:46,095 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 12:52:46,417 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 12:52:46,529 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 12:52:46,665 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 12:52:46,711 INFO L208 MainTranslator]: Completed translation [2020-07-07 12:52:46,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:52:46 WrapperNode [2020-07-07 12:52:46,711 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 12:52:46,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 12:52:46,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 12:52:46,712 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 12:52:46,722 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:52:46" (1/1) ... [2020-07-07 12:52:46,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:52:46" (1/1) ... [2020-07-07 12:52:46,750 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:52:46" (1/1) ... [2020-07-07 12:52:46,750 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:52:46" (1/1) ... [2020-07-07 12:52:46,800 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:52:46" (1/1) ... [2020-07-07 12:52:46,807 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:52:46" (1/1) ... [2020-07-07 12:52:46,813 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:52:46" (1/1) ... [2020-07-07 12:52:46,820 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 12:52:46,821 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 12:52:46,821 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 12:52:46,821 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 12:52:46,822 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:52:46" (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 12:52:46,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 12:52:46,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 12:52:46,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 12:52:46,920 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 12:52:46,921 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 12:52:46,921 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 12:52:46,921 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 12:52:46,921 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 12:52:46,921 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 12:52:46,922 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-07 12:52:46,922 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-07 12:52:46,922 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 12:52:46,922 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 12:52:46,922 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 12:52:46,922 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-07 12:52:46,923 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 12:52:46,923 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 12:52:46,923 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 12:52:46,923 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 12:52:46,923 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 12:52:46,924 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 12:52:46,924 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-07 12:52:46,924 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-07 12:52:46,924 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-07 12:52:46,924 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-07 12:52:46,924 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 12:52:46,925 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 12:52:46,925 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 12:52:46,925 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 12:52:46,925 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 12:52:46,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 12:52:46,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-07 12:52:46,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-07 12:52:46,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-07 12:52:46,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 12:52:46,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 12:52:46,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 12:52:46,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 12:52:46,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 12:52:46,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 12:52:46,927 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 12:52:46,927 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 12:52:46,927 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 12:52:46,927 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 12:52:46,927 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 12:52:46,928 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 12:52:46,928 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 12:52:46,928 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 12:52:46,928 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 12:52:46,928 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 12:52:46,928 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 12:52:46,929 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 12:52:46,929 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 12:52:46,929 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 12:52:46,929 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-07 12:52:46,929 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-07 12:52:46,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 12:52:46,930 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 12:52:46,930 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 12:52:46,930 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 12:52:46,930 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 12:52:46,930 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 12:52:46,930 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-07 12:52:46,930 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-07 12:52:46,931 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-07 12:52:46,931 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-07 12:52:46,931 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 12:52:46,931 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 12:52:46,931 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-07 12:52:46,931 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 12:52:46,932 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-07 12:52:46,932 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-07 12:52:46,932 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 12:52:46,932 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 12:52:46,932 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 12:52:46,932 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 12:52:46,932 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 12:52:46,933 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 12:52:46,933 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 12:52:46,933 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 12:52:46,933 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-07 12:52:46,933 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 12:52:46,933 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 12:52:46,934 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 12:52:46,934 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 12:52:46,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 12:52:46,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 12:52:46,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 12:52:46,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 12:52:46,935 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 12:52:46,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 12:52:46,935 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 12:52:46,935 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 12:52:46,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 12:52:46,935 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 12:52:46,935 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 12:52:46,936 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 12:52:46,936 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 12:52:46,936 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 12:52:46,936 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 12:52:46,936 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 12:52:46,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 12:52:46,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 12:52:46,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 12:52:48,245 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 12:52:48,245 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 12:52:48,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 12:52:48 BoogieIcfgContainer [2020-07-07 12:52:48,252 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 12:52:48,254 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 12:52:48,254 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 12:52:48,257 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 12:52:48,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 12:52:46" (1/3) ... [2020-07-07 12:52:48,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fd23cd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 12:52:48, skipping insertion in model container [2020-07-07 12:52:48,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:52:46" (2/3) ... [2020-07-07 12:52:48,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fd23cd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 12:52:48, skipping insertion in model container [2020-07-07 12:52:48,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 12:52:48" (3/3) ... [2020-07-07 12:52:48,260 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product56.cil.c [2020-07-07 12:52:48,271 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-07 12:52:48,279 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 12:52:48,293 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 12:52:48,310 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 12:52:48,310 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 12:52:48,311 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-07 12:52:48,311 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 12:52:48,311 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 12:52:48,311 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 12:52:48,312 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 12:52:48,312 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 12:52:48,334 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states. [2020-07-07 12:52:48,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-07-07 12:52:48,360 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:52:48,362 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 12:52:48,362 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:52:48,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:52:48,369 INFO L82 PathProgramCache]: Analyzing trace with hash -36898584, now seen corresponding path program 1 times [2020-07-07 12:52:48,378 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:52:48,378 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [163174523] [2020-07-07 12:52:48,379 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:52:48,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:52:49,230 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:52:49,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:52:49,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:52:49,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:52:49,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:52:49,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:52:49,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:52:49,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:52:49,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:52:49,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:52:49,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:52:49,404 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 12:52:49,405 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:52:49,407 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [163174523] [2020-07-07 12:52:49,410 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:52:49,410 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 12:52:49,411 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873510763] [2020-07-07 12:52:49,418 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 12:52:49,418 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:52:49,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 12:52:49,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 12:52:49,437 INFO L87 Difference]: Start difference. First operand 360 states. Second operand 4 states. [2020-07-07 12:52:50,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:52:50,935 INFO L93 Difference]: Finished difference Result 584 states and 687 transitions. [2020-07-07 12:52:50,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-07 12:52:50,937 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-07-07 12:52:50,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:52:50,956 INFO L225 Difference]: With dead ends: 584 [2020-07-07 12:52:50,956 INFO L226 Difference]: Without dead ends: 360 [2020-07-07 12:52:50,962 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 12:52:50,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-07-07 12:52:51,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 309. [2020-07-07 12:52:51,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2020-07-07 12:52:51,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 339 transitions. [2020-07-07 12:52:51,139 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 339 transitions. Word has length 160 [2020-07-07 12:52:51,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:52:51,141 INFO L479 AbstractCegarLoop]: Abstraction has 309 states and 339 transitions. [2020-07-07 12:52:51,141 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 12:52:51,141 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 339 transitions. [2020-07-07 12:52:51,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-07-07 12:52:51,146 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:52:51,147 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 12:52:51,147 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 12:52:51,148 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:52:51,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:52:51,148 INFO L82 PathProgramCache]: Analyzing trace with hash -1699569308, now seen corresponding path program 1 times [2020-07-07 12:52:51,149 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:52:51,149 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [972058429] [2020-07-07 12:52:51,149 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:52:51,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:52:51,539 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:52:51,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:52:51,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:52:51,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:52:51,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:52:51,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:52:51,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:52:51,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:52:51,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:52:51,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:52:51,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:52:51,630 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 12:52:51,630 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:52:51,631 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [972058429] [2020-07-07 12:52:51,631 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:52:51,631 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-07 12:52:51,632 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111683873] [2020-07-07 12:52:51,633 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 12:52:51,633 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:52:51,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 12:52:51,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-07 12:52:51,634 INFO L87 Difference]: Start difference. First operand 309 states and 339 transitions. Second operand 5 states. [2020-07-07 12:52:52,293 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:52:53,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:52:53,577 INFO L93 Difference]: Finished difference Result 503 states and 571 transitions. [2020-07-07 12:52:53,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-07 12:52:53,578 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-07-07 12:52:53,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:52:53,583 INFO L225 Difference]: With dead ends: 503 [2020-07-07 12:52:53,583 INFO L226 Difference]: Without dead ends: 349 [2020-07-07 12:52:53,585 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 12:52:53,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2020-07-07 12:52:53,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 299. [2020-07-07 12:52:53,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-07-07 12:52:53,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 326 transitions. [2020-07-07 12:52:53,681 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 326 transitions. Word has length 161 [2020-07-07 12:52:53,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:52:53,681 INFO L479 AbstractCegarLoop]: Abstraction has 299 states and 326 transitions. [2020-07-07 12:52:53,681 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 12:52:53,682 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 326 transitions. [2020-07-07 12:52:53,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-07-07 12:52:53,685 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:52:53,685 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 12:52:53,685 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 12:52:53,685 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:52:53,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:52:53,686 INFO L82 PathProgramCache]: Analyzing trace with hash 1512642209, now seen corresponding path program 1 times [2020-07-07 12:52:53,686 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:52:53,687 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [953038247] [2020-07-07 12:52:53,687 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:52:53,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:52:54,036 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:52:54,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:52:54,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:52:54,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:52:54,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:52:54,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:52:54,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:52:54,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:52:54,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:52:54,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:52:54,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:52:54,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:52:54,195 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 12:52:54,195 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:52:54,196 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [953038247] [2020-07-07 12:52:54,196 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:52:54,196 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-07 12:52:54,196 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963773800] [2020-07-07 12:52:54,197 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 12:52:54,197 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:52:54,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 12:52:54,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-07-07 12:52:54,198 INFO L87 Difference]: Start difference. First operand 299 states and 326 transitions. Second operand 11 states. [2020-07-07 12:52:54,724 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:52:55,075 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:52:55,331 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:52:55,585 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:52:55,841 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:52:56,104 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:52:57,241 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:53:00,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:53:00,127 INFO L93 Difference]: Finished difference Result 838 states and 977 transitions. [2020-07-07 12:53:00,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-07-07 12:53:00,128 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 174 [2020-07-07 12:53:00,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:53:00,135 INFO L225 Difference]: With dead ends: 838 [2020-07-07 12:53:00,135 INFO L226 Difference]: Without dead ends: 654 [2020-07-07 12:53:00,137 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2020-07-07 12:53:00,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2020-07-07 12:53:00,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 551. [2020-07-07 12:53:00,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 551 states. [2020-07-07 12:53:00,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 621 transitions. [2020-07-07 12:53:00,321 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 621 transitions. Word has length 174 [2020-07-07 12:53:00,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:53:00,322 INFO L479 AbstractCegarLoop]: Abstraction has 551 states and 621 transitions. [2020-07-07 12:53:00,322 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 12:53:00,322 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 621 transitions. [2020-07-07 12:53:00,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-07-07 12:53:00,326 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:53:00,327 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:53:00,327 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 12:53:00,327 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:53:00,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:53:00,328 INFO L82 PathProgramCache]: Analyzing trace with hash -159814954, now seen corresponding path program 1 times [2020-07-07 12:53:00,328 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:53:00,328 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2032216652] [2020-07-07 12:53:00,328 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:53:00,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:00,744 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:53:00,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:00,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:00,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:00,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:00,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:00,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:00,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:00,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:00,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:00,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:00,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:00,921 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 12:53:00,921 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:53:00,921 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2032216652] [2020-07-07 12:53:00,922 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:53:00,922 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-07 12:53:00,922 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019612394] [2020-07-07 12:53:00,923 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-07 12:53:00,924 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:53:00,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-07 12:53:00,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-07-07 12:53:00,925 INFO L87 Difference]: Start difference. First operand 551 states and 621 transitions. Second operand 10 states. [2020-07-07 12:53:01,560 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:53:02,484 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:53:02,743 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:53:03,804 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:53:04,104 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:53:04,407 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:53:04,653 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:53:04,952 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:53:05,216 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:53:06,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:53:06,374 INFO L93 Difference]: Finished difference Result 1268 states and 1523 transitions. [2020-07-07 12:53:06,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-07 12:53:06,374 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 179 [2020-07-07 12:53:06,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:53:06,380 INFO L225 Difference]: With dead ends: 1268 [2020-07-07 12:53:06,381 INFO L226 Difference]: Without dead ends: 832 [2020-07-07 12:53:06,384 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-07-07 12:53:06,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2020-07-07 12:53:06,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 739. [2020-07-07 12:53:06,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 739 states. [2020-07-07 12:53:06,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 835 transitions. [2020-07-07 12:53:06,708 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 835 transitions. Word has length 179 [2020-07-07 12:53:06,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:53:06,709 INFO L479 AbstractCegarLoop]: Abstraction has 739 states and 835 transitions. [2020-07-07 12:53:06,709 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-07 12:53:06,709 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 835 transitions. [2020-07-07 12:53:06,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-07-07 12:53:06,714 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:53:06,714 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:53:06,715 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 12:53:06,715 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:53:06,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:53:06,715 INFO L82 PathProgramCache]: Analyzing trace with hash 64355154, now seen corresponding path program 1 times [2020-07-07 12:53:06,716 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:53:06,716 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [342964862] [2020-07-07 12:53:06,716 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:53:06,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:07,051 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:53:07,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:07,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:07,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:07,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:07,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:07,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:07,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:07,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:07,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:07,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:07,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:07,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:07,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:07,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:07,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:07,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:07,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:07,445 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 12:53:07,445 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:53:07,446 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [342964862] [2020-07-07 12:53:07,446 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:53:07,447 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-07 12:53:07,447 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136752461] [2020-07-07 12:53:07,448 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 12:53:07,448 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:53:07,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 12:53:07,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-07-07 12:53:07,449 INFO L87 Difference]: Start difference. First operand 739 states and 835 transitions. Second operand 11 states. [2020-07-07 12:53:09,205 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:53:09,463 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 12:53:09,751 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-07 12:53:10,016 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:53:10,266 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:53:10,500 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:53:11,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:53:11,948 INFO L93 Difference]: Finished difference Result 1571 states and 1883 transitions. [2020-07-07 12:53:11,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-07 12:53:11,949 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 217 [2020-07-07 12:53:11,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:53:11,955 INFO L225 Difference]: With dead ends: 1571 [2020-07-07 12:53:11,955 INFO L226 Difference]: Without dead ends: 947 [2020-07-07 12:53:11,958 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-07-07 12:53:11,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 947 states. [2020-07-07 12:53:12,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 947 to 758. [2020-07-07 12:53:12,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 758 states. [2020-07-07 12:53:12,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 855 transitions. [2020-07-07 12:53:12,233 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 855 transitions. Word has length 217 [2020-07-07 12:53:12,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:53:12,234 INFO L479 AbstractCegarLoop]: Abstraction has 758 states and 855 transitions. [2020-07-07 12:53:12,234 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 12:53:12,234 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 855 transitions. [2020-07-07 12:53:12,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-07-07 12:53:12,238 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:53:12,238 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:53:12,239 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 12:53:12,239 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:53:12,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:53:12,239 INFO L82 PathProgramCache]: Analyzing trace with hash 2026418, now seen corresponding path program 1 times [2020-07-07 12:53:12,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:53:12,240 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1668331862] [2020-07-07 12:53:12,240 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:53:12,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:12,509 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:53:12,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:12,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:12,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:12,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:12,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:12,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:12,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:12,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:12,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:12,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:12,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:12,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:12,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:12,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:12,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:12,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:12,763 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 12:53:12,763 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:53:12,764 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1668331862] [2020-07-07 12:53:12,765 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:53:12,766 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-07-07 12:53:12,766 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89595752] [2020-07-07 12:53:12,766 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-07 12:53:12,767 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:53:12,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-07 12:53:12,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-07-07 12:53:12,768 INFO L87 Difference]: Start difference. First operand 758 states and 855 transitions. Second operand 14 states. [2020-07-07 12:53:13,410 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:53:13,676 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 12:53:13,919 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:53:14,162 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:53:14,399 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:53:15,540 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:53:15,803 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:53:16,113 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:53:16,399 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:53:16,654 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:53:18,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:53:18,277 INFO L93 Difference]: Finished difference Result 1612 states and 1954 transitions. [2020-07-07 12:53:18,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-07-07 12:53:18,278 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 217 [2020-07-07 12:53:18,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:53:18,286 INFO L225 Difference]: With dead ends: 1612 [2020-07-07 12:53:18,286 INFO L226 Difference]: Without dead ends: 969 [2020-07-07 12:53:18,289 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-07-07 12:53:18,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 969 states. [2020-07-07 12:53:18,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 969 to 770. [2020-07-07 12:53:18,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 770 states. [2020-07-07 12:53:18,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 770 states and 867 transitions. [2020-07-07 12:53:18,508 INFO L78 Accepts]: Start accepts. Automaton has 770 states and 867 transitions. Word has length 217 [2020-07-07 12:53:18,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:53:18,509 INFO L479 AbstractCegarLoop]: Abstraction has 770 states and 867 transitions. [2020-07-07 12:53:18,509 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-07 12:53:18,509 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 867 transitions. [2020-07-07 12:53:18,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-07-07 12:53:18,513 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:53:18,513 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:53:18,513 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-07 12:53:18,514 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:53:18,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:53:18,514 INFO L82 PathProgramCache]: Analyzing trace with hash 2141932335, now seen corresponding path program 1 times [2020-07-07 12:53:18,514 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:53:18,514 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1296485181] [2020-07-07 12:53:18,515 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:53:18,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:18,787 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:53:18,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:18,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:18,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:18,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:18,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:18,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:18,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:18,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:18,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:18,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:18,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:18,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:18,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:18,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:18,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:18,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:18,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:19,016 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 12:53:19,017 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:53:19,017 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1296485181] [2020-07-07 12:53:19,017 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:53:19,017 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 12:53:19,018 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134817164] [2020-07-07 12:53:19,018 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 12:53:19,018 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:53:19,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 12:53:19,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-07 12:53:19,019 INFO L87 Difference]: Start difference. First operand 770 states and 867 transitions. Second operand 8 states. [2020-07-07 12:53:19,490 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:53:20,097 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:53:23,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:53:23,352 INFO L93 Difference]: Finished difference Result 2401 states and 2938 transitions. [2020-07-07 12:53:23,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-07-07 12:53:23,353 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 217 [2020-07-07 12:53:23,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:53:23,363 INFO L225 Difference]: With dead ends: 2401 [2020-07-07 12:53:23,364 INFO L226 Difference]: Without dead ends: 1746 [2020-07-07 12:53:23,367 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 46 SyntacticMatches, 5 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=172, Invalid=530, Unknown=0, NotChecked=0, Total=702 [2020-07-07 12:53:23,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1746 states. [2020-07-07 12:53:23,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1746 to 1478. [2020-07-07 12:53:23,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1478 states. [2020-07-07 12:53:23,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 1478 states and 1690 transitions. [2020-07-07 12:53:23,803 INFO L78 Accepts]: Start accepts. Automaton has 1478 states and 1690 transitions. Word has length 217 [2020-07-07 12:53:23,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:53:23,804 INFO L479 AbstractCegarLoop]: Abstraction has 1478 states and 1690 transitions. [2020-07-07 12:53:23,804 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 12:53:23,804 INFO L276 IsEmpty]: Start isEmpty. Operand 1478 states and 1690 transitions. [2020-07-07 12:53:23,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-07-07 12:53:23,815 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:53:23,815 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:53:23,816 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-07 12:53:23,816 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:53:23,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:53:23,816 INFO L82 PathProgramCache]: Analyzing trace with hash -388346294, now seen corresponding path program 1 times [2020-07-07 12:53:23,819 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:53:23,819 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1775044964] [2020-07-07 12:53:23,819 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:53:23,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:24,186 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:53:24,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:24,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:24,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:24,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:24,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:24,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:24,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:24,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:24,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:24,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:24,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:24,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:24,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:24,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:24,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:24,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:24,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:24,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:24,573 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 12:53:24,573 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:53:24,574 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1775044964] [2020-07-07 12:53:24,574 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:53:24,575 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-07-07 12:53:24,575 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772308656] [2020-07-07 12:53:24,576 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-07 12:53:24,576 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:53:24,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-07 12:53:24,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-07-07 12:53:24,577 INFO L87 Difference]: Start difference. First operand 1478 states and 1690 transitions. Second operand 15 states. [2020-07-07 12:53:25,470 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-07 12:53:26,299 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:53:27,560 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-07 12:53:28,049 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-07 12:53:28,380 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:53:28,639 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:53:29,112 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-07 12:53:29,370 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:53:29,728 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:53:29,981 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:53:33,269 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-07-07 12:53:33,792 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:53:34,052 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:53:34,538 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:53:35,827 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-07 12:53:36,294 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-07-07 12:53:36,799 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-07 12:53:37,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:53:37,840 INFO L93 Difference]: Finished difference Result 4573 states and 5620 transitions. [2020-07-07 12:53:37,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2020-07-07 12:53:37,841 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 222 [2020-07-07 12:53:37,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:53:37,860 INFO L225 Difference]: With dead ends: 4573 [2020-07-07 12:53:37,861 INFO L226 Difference]: Without dead ends: 3501 [2020-07-07 12:53:37,867 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1406 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=843, Invalid=3447, Unknown=0, NotChecked=0, Total=4290 [2020-07-07 12:53:37,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3501 states. [2020-07-07 12:53:38,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3501 to 2785. [2020-07-07 12:53:38,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2785 states. [2020-07-07 12:53:38,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2785 states to 2785 states and 3161 transitions. [2020-07-07 12:53:38,932 INFO L78 Accepts]: Start accepts. Automaton has 2785 states and 3161 transitions. Word has length 222 [2020-07-07 12:53:38,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:53:38,933 INFO L479 AbstractCegarLoop]: Abstraction has 2785 states and 3161 transitions. [2020-07-07 12:53:38,933 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-07 12:53:38,933 INFO L276 IsEmpty]: Start isEmpty. Operand 2785 states and 3161 transitions. [2020-07-07 12:53:38,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-07-07 12:53:38,938 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:53:38,939 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:53:38,939 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-07 12:53:38,940 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:53:38,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:53:38,940 INFO L82 PathProgramCache]: Analyzing trace with hash -896402758, now seen corresponding path program 1 times [2020-07-07 12:53:38,940 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:53:38,941 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1259387323] [2020-07-07 12:53:38,941 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:53:38,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:39,263 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:53:39,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:39,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:39,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:39,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:39,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:39,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:39,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:39,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:39,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:39,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:39,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:39,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:39,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:39,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:39,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:39,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:39,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:39,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:39,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:39,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:39,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:39,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:39,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:39,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:39,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:39,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:39,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:39,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:39,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:39,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:39,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:39,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:39,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:39,775 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 12:53:39,775 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:53:39,775 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1259387323] [2020-07-07 12:53:39,776 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:53:39,776 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-07-07 12:53:39,776 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602734603] [2020-07-07 12:53:39,777 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-07 12:53:39,777 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:53:39,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-07 12:53:39,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2020-07-07 12:53:39,782 INFO L87 Difference]: Start difference. First operand 2785 states and 3161 transitions. Second operand 19 states. [2020-07-07 12:53:40,618 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:53:40,871 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 12:53:41,132 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:53:41,453 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:53:41,692 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:53:42,673 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-07-07 12:53:43,083 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-07 12:53:43,428 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-07-07 12:53:43,677 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 12:53:43,948 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:53:44,346 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-07-07 12:53:44,688 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-07-07 12:53:44,996 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-07 12:53:46,731 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:53:48,258 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 12:53:48,800 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-07-07 12:53:49,328 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-07 12:53:49,710 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:53:50,413 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:53:50,965 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-07-07 12:53:51,288 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-07-07 12:53:52,270 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-07-07 12:53:52,854 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:53:53,324 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-07-07 12:53:53,846 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 196 [2020-07-07 12:53:54,932 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2020-07-07 12:53:56,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:53:56,907 INFO L93 Difference]: Finished difference Result 6250 states and 7372 transitions. [2020-07-07 12:53:56,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2020-07-07 12:53:56,909 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 336 [2020-07-07 12:53:56,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:53:56,931 INFO L225 Difference]: With dead ends: 6250 [2020-07-07 12:53:56,931 INFO L226 Difference]: Without dead ends: 3856 [2020-07-07 12:53:56,942 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2441 ImplicationChecksByTransitivity, 9.6s TimeCoverageRelationStatistics Valid=1407, Invalid=6603, Unknown=0, NotChecked=0, Total=8010 [2020-07-07 12:53:56,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3856 states. [2020-07-07 12:53:57,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3856 to 3205. [2020-07-07 12:53:58,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3205 states. [2020-07-07 12:53:58,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3205 states to 3205 states and 3566 transitions. [2020-07-07 12:53:58,007 INFO L78 Accepts]: Start accepts. Automaton has 3205 states and 3566 transitions. Word has length 336 [2020-07-07 12:53:58,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:53:58,008 INFO L479 AbstractCegarLoop]: Abstraction has 3205 states and 3566 transitions. [2020-07-07 12:53:58,008 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-07 12:53:58,008 INFO L276 IsEmpty]: Start isEmpty. Operand 3205 states and 3566 transitions. [2020-07-07 12:53:58,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 516 [2020-07-07 12:53:58,020 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:53:58,021 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:53:58,021 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-07 12:53:58,021 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:53:58,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:53:58,021 INFO L82 PathProgramCache]: Analyzing trace with hash -156911650, now seen corresponding path program 1 times [2020-07-07 12:53:58,022 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:53:58,022 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [802538193] [2020-07-07 12:53:58,022 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:53:58,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,366 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:53:58,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:58,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:53:59,059 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 12:53:59,060 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:53:59,060 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [802538193] [2020-07-07 12:53:59,060 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:53:59,060 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-07-07 12:53:59,060 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941852145] [2020-07-07 12:53:59,061 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-07 12:53:59,062 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:53:59,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-07 12:53:59,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-07-07 12:53:59,062 INFO L87 Difference]: Start difference. First operand 3205 states and 3566 transitions. Second operand 17 states. [2020-07-07 12:54:00,696 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:54:00,958 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:54:01,216 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:54:01,478 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:54:01,717 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:54:01,955 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:54:03,382 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:54:03,655 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:54:08,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:54:08,745 INFO L93 Difference]: Finished difference Result 9026 states and 10583 transitions. [2020-07-07 12:54:08,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-07-07 12:54:08,746 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 515 [2020-07-07 12:54:08,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:54:08,791 INFO L225 Difference]: With dead ends: 9026 [2020-07-07 12:54:08,791 INFO L226 Difference]: Without dead ends: 5409 [2020-07-07 12:54:08,810 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 127 SyntacticMatches, 5 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 658 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=540, Invalid=1910, Unknown=0, NotChecked=0, Total=2450 [2020-07-07 12:54:08,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5409 states. [2020-07-07 12:54:12,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5409 to 4272. [2020-07-07 12:54:12,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4272 states. [2020-07-07 12:54:12,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4272 states to 4272 states and 4837 transitions. [2020-07-07 12:54:12,093 INFO L78 Accepts]: Start accepts. Automaton has 4272 states and 4837 transitions. Word has length 515 [2020-07-07 12:54:12,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:54:12,096 INFO L479 AbstractCegarLoop]: Abstraction has 4272 states and 4837 transitions. [2020-07-07 12:54:12,096 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-07 12:54:12,096 INFO L276 IsEmpty]: Start isEmpty. Operand 4272 states and 4837 transitions. [2020-07-07 12:54:12,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 526 [2020-07-07 12:54:12,111 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:54:12,112 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:54:12,112 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-07 12:54:12,112 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:54:12,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:54:12,113 INFO L82 PathProgramCache]: Analyzing trace with hash 1028081239, now seen corresponding path program 1 times [2020-07-07 12:54:12,113 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:54:12,113 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1420258144] [2020-07-07 12:54:12,113 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:54:12,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,575 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:54:12,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:12,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:13,102 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-07-07 12:54:13,102 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:54:13,103 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1420258144] [2020-07-07 12:54:13,103 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:54:13,103 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-07-07 12:54:13,103 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199421191] [2020-07-07 12:54:13,104 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-07 12:54:13,104 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:54:13,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-07 12:54:13,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2020-07-07 12:54:13,105 INFO L87 Difference]: Start difference. First operand 4272 states and 4837 transitions. Second operand 19 states. [2020-07-07 12:54:13,614 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:54:13,950 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:54:14,202 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:54:14,457 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:54:14,705 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 12:54:14,942 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:54:15,920 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:54:16,202 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:54:17,524 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:54:17,889 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:54:18,166 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:54:18,448 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:54:19,501 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:54:19,753 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:54:21,242 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:54:21,576 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:54:21,814 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:54:23,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:54:23,810 INFO L93 Difference]: Finished difference Result 8618 states and 10034 transitions. [2020-07-07 12:54:23,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-07-07 12:54:23,811 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 525 [2020-07-07 12:54:23,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:54:23,838 INFO L225 Difference]: With dead ends: 8618 [2020-07-07 12:54:23,839 INFO L226 Difference]: Without dead ends: 4773 [2020-07-07 12:54:23,852 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 921 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=694, Invalid=2846, Unknown=0, NotChecked=0, Total=3540 [2020-07-07 12:54:23,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4773 states. [2020-07-07 12:54:25,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4773 to 4173. [2020-07-07 12:54:25,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4173 states. [2020-07-07 12:54:25,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4173 states to 4173 states and 4696 transitions. [2020-07-07 12:54:25,205 INFO L78 Accepts]: Start accepts. Automaton has 4173 states and 4696 transitions. Word has length 525 [2020-07-07 12:54:25,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:54:25,206 INFO L479 AbstractCegarLoop]: Abstraction has 4173 states and 4696 transitions. [2020-07-07 12:54:25,206 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-07 12:54:25,206 INFO L276 IsEmpty]: Start isEmpty. Operand 4173 states and 4696 transitions. [2020-07-07 12:54:25,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 527 [2020-07-07 12:54:25,218 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:54:25,219 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-07 12:54:25,219 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-07 12:54:25,219 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:54:25,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:54:25,220 INFO L82 PathProgramCache]: Analyzing trace with hash -1371481026, now seen corresponding path program 1 times [2020-07-07 12:54:25,220 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:54:25,220 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [775695495] [2020-07-07 12:54:25,220 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:54:25,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,541 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:54:25,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:25,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:26,766 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 12:54:26,767 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:54:26,767 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [775695495] [2020-07-07 12:54:26,767 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:54:26,767 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-07-07 12:54:26,768 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058318744] [2020-07-07 12:54:26,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-07 12:54:26,770 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:54:26,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-07 12:54:26,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2020-07-07 12:54:26,772 INFO L87 Difference]: Start difference. First operand 4173 states and 4696 transitions. Second operand 17 states. [2020-07-07 12:54:27,314 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:54:28,333 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:54:32,345 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:54:32,610 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:54:32,899 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:54:33,162 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:54:33,423 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:54:33,686 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:54:33,932 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:54:34,200 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:54:34,460 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:54:34,730 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:54:34,992 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:54:35,250 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:54:35,742 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 195 [2020-07-07 12:54:36,002 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:54:36,463 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 192 [2020-07-07 12:54:36,741 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:54:37,034 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-07-07 12:54:37,303 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-07-07 12:54:41,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:54:41,072 INFO L93 Difference]: Finished difference Result 13279 states and 15575 transitions. [2020-07-07 12:54:41,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2020-07-07 12:54:41,077 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 526 [2020-07-07 12:54:41,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:54:41,126 INFO L225 Difference]: With dead ends: 13279 [2020-07-07 12:54:41,126 INFO L226 Difference]: Without dead ends: 9234 [2020-07-07 12:54:41,145 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 131 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1214 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=840, Invalid=3582, Unknown=0, NotChecked=0, Total=4422 [2020-07-07 12:54:41,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9234 states. [2020-07-07 12:54:43,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9234 to 8107. [2020-07-07 12:54:43,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8107 states. [2020-07-07 12:54:43,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8107 states to 8107 states and 9040 transitions. [2020-07-07 12:54:43,615 INFO L78 Accepts]: Start accepts. Automaton has 8107 states and 9040 transitions. Word has length 526 [2020-07-07 12:54:43,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:54:43,616 INFO L479 AbstractCegarLoop]: Abstraction has 8107 states and 9040 transitions. [2020-07-07 12:54:43,616 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-07 12:54:43,616 INFO L276 IsEmpty]: Start isEmpty. Operand 8107 states and 9040 transitions. [2020-07-07 12:54:43,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 528 [2020-07-07 12:54:43,637 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:54:43,638 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:54:43,638 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-07-07 12:54:43,638 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:54:43,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:54:43,639 INFO L82 PathProgramCache]: Analyzing trace with hash -1988901491, now seen corresponding path program 1 times [2020-07-07 12:54:43,639 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:54:43,639 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [894716475] [2020-07-07 12:54:43,639 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:54:43,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:43,963 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:54:43,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:43,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:43,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:43,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:44,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:44,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:44,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:44,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:44,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:44,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:44,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:44,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:44,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:44,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:44,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:44,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:44,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:44,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:44,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:44,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:44,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:44,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:44,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:44,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:44,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:44,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:44,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:44,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:44,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:44,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:44,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:44,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:44,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:44,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:44,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:44,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:44,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:44,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:44,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:44,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:44,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:44,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:44,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:44,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:44,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:44,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:44,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:44,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:44,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:44,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:44,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:44,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:44,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:44,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:44,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:44,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:44,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:44,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:54:44,641 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 12:54:44,642 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:54:44,642 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [894716475] [2020-07-07 12:54:44,642 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:54:44,642 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2020-07-07 12:54:44,642 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482062574] [2020-07-07 12:54:44,643 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-07-07 12:54:44,643 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:54:44,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-07-07 12:54:44,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2020-07-07 12:54:44,644 INFO L87 Difference]: Start difference. First operand 8107 states and 9040 transitions. Second operand 23 states. [2020-07-07 12:54:45,344 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:54:45,694 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:54:45,950 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:54:46,205 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:54:46,458 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 12:54:46,697 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:54:47,651 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:54:53,223 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:54:53,492 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:54:53,777 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:54:54,051 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:54:54,316 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:54:54,583 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:54:54,833 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:54:55,104 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:54:55,365 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:54:55,673 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:54:55,937 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:54:56,209 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:54:56,707 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 12:54:57,220 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-07-07 12:54:57,687 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 12:55:02,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:55:02,961 INFO L93 Difference]: Finished difference Result 17551 states and 20660 transitions. [2020-07-07 12:55:02,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2020-07-07 12:55:02,962 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 527 [2020-07-07 12:55:02,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:55:03,020 INFO L225 Difference]: With dead ends: 17551 [2020-07-07 12:55:03,021 INFO L226 Difference]: Without dead ends: 10160 [2020-07-07 12:55:03,042 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 137 SyntacticMatches, 1 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2105 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=1289, Invalid=6021, Unknown=0, NotChecked=0, Total=7310 [2020-07-07 12:55:03,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10160 states. [2020-07-07 12:55:05,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10160 to 7463. [2020-07-07 12:55:05,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7463 states. [2020-07-07 12:55:05,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7463 states to 7463 states and 8316 transitions. [2020-07-07 12:55:05,554 INFO L78 Accepts]: Start accepts. Automaton has 7463 states and 8316 transitions. Word has length 527 [2020-07-07 12:55:05,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:55:05,555 INFO L479 AbstractCegarLoop]: Abstraction has 7463 states and 8316 transitions. [2020-07-07 12:55:05,555 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-07-07 12:55:05,555 INFO L276 IsEmpty]: Start isEmpty. Operand 7463 states and 8316 transitions. [2020-07-07 12:55:05,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2020-07-07 12:55:05,573 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:55:05,574 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:55:05,574 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-07-07 12:55:05,574 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:55:05,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:55:05,575 INFO L82 PathProgramCache]: Analyzing trace with hash 1719943689, now seen corresponding path program 1 times [2020-07-07 12:55:05,575 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:55:05,575 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [69248945] [2020-07-07 12:55:05,575 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:55:05,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:05,942 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:55:05,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:05,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:05,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:05,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:05,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:05,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:05,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:05,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:06,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:06,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:06,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:06,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:06,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:06,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:06,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:06,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:06,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:06,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:06,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:06,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:06,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:06,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:06,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:06,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:06,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:06,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:06,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:06,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:06,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:06,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:06,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:06,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:06,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:06,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:06,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:06,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:06,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:06,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:06,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:06,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:06,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:06,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:06,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:06,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:06,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:06,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:06,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:06,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:06,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:06,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:06,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:06,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:06,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:06,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:06,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:06,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:06,474 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 12:55:06,474 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:55:06,475 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [69248945] [2020-07-07 12:55:06,475 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:55:06,475 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-07-07 12:55:06,475 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126139095] [2020-07-07 12:55:06,477 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-07-07 12:55:06,477 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:55:06,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-07-07 12:55:06,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2020-07-07 12:55:06,478 INFO L87 Difference]: Start difference. First operand 7463 states and 8316 transitions. Second operand 18 states. [2020-07-07 12:55:07,010 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:55:08,737 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:55:09,010 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:55:09,507 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-07 12:55:09,767 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:55:10,244 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 193 [2020-07-07 12:55:10,494 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:55:10,948 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-07 12:55:11,234 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:55:11,509 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:55:11,778 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-07-07 12:55:12,041 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:55:12,662 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-07-07 12:55:13,986 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:55:14,272 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:55:14,787 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-07-07 12:55:15,305 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 196 [2020-07-07 12:55:15,792 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-07-07 12:55:16,529 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-07 12:55:17,044 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 195 [2020-07-07 12:55:20,950 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:55:21,769 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:55:22,047 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:55:22,532 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 12:55:23,035 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-07-07 12:55:23,504 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 12:55:30,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:55:30,699 INFO L93 Difference]: Finished difference Result 19584 states and 23735 transitions. [2020-07-07 12:55:30,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2020-07-07 12:55:30,700 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 531 [2020-07-07 12:55:30,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:55:30,758 INFO L225 Difference]: With dead ends: 19584 [2020-07-07 12:55:30,758 INFO L226 Difference]: Without dead ends: 15005 [2020-07-07 12:55:30,778 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 171 SyntacticMatches, 5 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4266 ImplicationChecksByTransitivity, 10.7s TimeCoverageRelationStatistics Valid=1968, Invalid=10022, Unknown=0, NotChecked=0, Total=11990 [2020-07-07 12:55:30,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15005 states. [2020-07-07 12:55:35,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15005 to 10559. [2020-07-07 12:55:35,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10559 states. [2020-07-07 12:55:35,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10559 states to 10559 states and 11650 transitions. [2020-07-07 12:55:35,228 INFO L78 Accepts]: Start accepts. Automaton has 10559 states and 11650 transitions. Word has length 531 [2020-07-07 12:55:35,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:55:35,229 INFO L479 AbstractCegarLoop]: Abstraction has 10559 states and 11650 transitions. [2020-07-07 12:55:35,229 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-07-07 12:55:35,229 INFO L276 IsEmpty]: Start isEmpty. Operand 10559 states and 11650 transitions. [2020-07-07 12:55:35,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 613 [2020-07-07 12:55:35,247 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:55:35,247 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:55:35,247 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-07-07 12:55:35,248 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:55:35,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:55:35,248 INFO L82 PathProgramCache]: Analyzing trace with hash -2088895818, now seen corresponding path program 1 times [2020-07-07 12:55:35,248 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:55:35,248 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1877376980] [2020-07-07 12:55:35,248 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:55:35,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:35,596 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:55:35,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:35,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:35,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:35,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:35,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:35,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:35,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:35,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:35,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:35,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:35,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:35,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:35,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:35,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:35,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:35,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:35,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:35,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:35,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:35,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:35,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:35,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:35,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:35,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:35,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:36,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:36,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:36,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:36,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:36,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:36,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:36,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:36,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:36,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:36,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:36,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:36,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:36,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:36,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:36,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:36,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:36,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:36,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:36,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:36,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:36,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:36,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:36,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:36,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:36,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:36,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:36,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:36,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:36,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:36,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:36,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:36,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:36,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:36,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:36,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:36,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:36,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:36,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:36,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:36,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:36,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:36,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:36,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:55:36,402 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 12:55:36,403 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:55:36,403 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1877376980] [2020-07-07 12:55:36,403 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:55:36,403 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-07-07 12:55:36,403 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477346457] [2020-07-07 12:55:36,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-07-07 12:55:36,404 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:55:36,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-07-07 12:55:36,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2020-07-07 12:55:36,405 INFO L87 Difference]: Start difference. First operand 10559 states and 11650 transitions. Second operand 18 states. [2020-07-07 12:55:37,341 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:55:38,623 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:55:42,934 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-07 12:55:43,231 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-07-07 12:55:43,485 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:55:43,738 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:55:43,974 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:55:44,409 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-07 12:55:51,650 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-07 12:55:51,934 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-07-07 12:55:52,206 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 12:55:52,488 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-07 12:55:52,746 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 12:55:55,155 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 192 [2020-07-07 12:55:55,638 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-07-07 12:55:59,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:55:59,986 INFO L93 Difference]: Finished difference Result 33994 states and 40802 transitions. [2020-07-07 12:55:59,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2020-07-07 12:55:59,986 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 612 [2020-07-07 12:55:59,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:56:00,078 INFO L225 Difference]: With dead ends: 33994 [2020-07-07 12:56:00,078 INFO L226 Difference]: Without dead ends: 22999 [2020-07-07 12:56:00,112 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 177 SyntacticMatches, 10 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2929 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=1642, Invalid=7288, Unknown=0, NotChecked=0, Total=8930 [2020-07-07 12:56:00,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22999 states. [2020-07-07 12:56:05,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22999 to 14588. [2020-07-07 12:56:05,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14588 states. [2020-07-07 12:56:05,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14588 states to 14588 states and 16017 transitions. [2020-07-07 12:56:05,259 INFO L78 Accepts]: Start accepts. Automaton has 14588 states and 16017 transitions. Word has length 612 [2020-07-07 12:56:05,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:56:05,259 INFO L479 AbstractCegarLoop]: Abstraction has 14588 states and 16017 transitions. [2020-07-07 12:56:05,259 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-07-07 12:56:05,259 INFO L276 IsEmpty]: Start isEmpty. Operand 14588 states and 16017 transitions. [2020-07-07 12:56:05,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 613 [2020-07-07 12:56:05,283 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:56:05,284 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:56:05,284 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-07-07 12:56:05,284 INFO L427 AbstractCegarLoop]: === Iteration 16 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:56:05,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:56:05,285 INFO L82 PathProgramCache]: Analyzing trace with hash 2118148886, now seen corresponding path program 1 times [2020-07-07 12:56:05,285 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:56:05,285 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1672789585] [2020-07-07 12:56:05,285 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:56:05,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,605 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:56:05,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:05,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:56:06,234 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 12:56:06,234 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:56:06,234 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1672789585] [2020-07-07 12:56:06,235 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:56:06,235 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-07-07 12:56:06,235 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964101644] [2020-07-07 12:56:06,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-07 12:56:06,236 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:56:06,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-07 12:56:06,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2020-07-07 12:56:06,237 INFO L87 Difference]: Start difference. First operand 14588 states and 16017 transitions. Second operand 19 states. [2020-07-07 12:56:06,842 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:56:07,088 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 12:56:07,332 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:56:07,572 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:56:07,799 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:56:11,808 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:56:12,050 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:56:12,290 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 12:56:12,544 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:56:13,448 WARN L193 SmtUtils]: Spent 868.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:56:13,679 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:56:14,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:56:14,934 INFO L93 Difference]: Finished difference Result 17451 states and 19416 transitions. [2020-07-07 12:56:14,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-07-07 12:56:14,935 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 612 [2020-07-07 12:56:14,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:56:14,939 INFO L225 Difference]: With dead ends: 17451 [2020-07-07 12:56:14,939 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 12:56:14,968 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 431 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=572, Invalid=1780, Unknown=0, NotChecked=0, Total=2352 [2020-07-07 12:56:14,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 12:56:14,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 12:56:14,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 12:56:14,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 12:56:14,972 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 612 [2020-07-07 12:56:14,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:56:14,972 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 12:56:14,972 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-07 12:56:14,972 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 12:56:14,973 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 12:56:14,973 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-07-07 12:56:14,975 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 12:56:15,377 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 202 [2020-07-07 12:56:15,845 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 198 [2020-07-07 12:56:20,726 WARN L193 SmtUtils]: Spent 4.38 s on a formula simplification. DAG size of input: 873 DAG size of output: 657 [2020-07-07 12:56:26,840 WARN L193 SmtUtils]: Spent 6.11 s on a formula simplification. DAG size of input: 859 DAG size of output: 716 [2020-07-07 12:56:35,784 WARN L193 SmtUtils]: Spent 4.39 s on a formula simplification. DAG size of input: 765 DAG size of output: 603 [2020-07-07 12:56:42,658 WARN L193 SmtUtils]: Spent 5.87 s on a formula simplification. DAG size of input: 945 DAG size of output: 710 [2020-07-07 12:56:44,045 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 200 [2020-07-07 12:56:44,227 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 222 [2020-07-07 12:56:44,347 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 223 [2020-07-07 12:56:44,587 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 203 [2020-07-07 12:56:51,585 WARN L193 SmtUtils]: Spent 5.90 s on a formula simplification. DAG size of input: 945 DAG size of output: 710 [2020-07-07 12:56:53,357 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 210 [2020-07-07 12:56:53,461 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 210 [2020-07-07 12:56:53,662 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 210 [2020-07-07 12:56:53,915 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 212 [2020-07-07 12:56:54,059 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 212 [2020-07-07 12:56:54,648 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 247 [2020-07-07 12:56:54,904 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 248 [2020-07-07 12:56:55,030 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 246 [2020-07-07 12:56:55,239 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 248 [2020-07-07 12:56:55,804 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 239 [2020-07-07 12:56:56,092 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 248 [2020-07-07 12:56:56,512 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 249 [2020-07-07 12:56:58,836 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 241 [2020-07-07 12:56:59,078 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 243 [2020-07-07 12:56:59,389 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-07-07 12:57:00,100 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-07-07 12:57:00,435 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 243 [2020-07-07 12:57:09,058 WARN L193 SmtUtils]: Spent 3.89 s on a formula simplification. DAG size of input: 873 DAG size of output: 657 [2020-07-07 12:57:11,915 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 210 [2020-07-07 12:57:12,179 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 212 [2020-07-07 12:57:20,057 WARN L193 SmtUtils]: Spent 6.75 s on a formula simplification. DAG size of input: 1011 DAG size of output: 756 [2020-07-07 12:57:27,583 WARN L193 SmtUtils]: Spent 3.85 s on a formula simplification. DAG size of input: 873 DAG size of output: 657 [2020-07-07 12:57:31,674 WARN L193 SmtUtils]: Spent 3.86 s on a formula simplification. DAG size of input: 873 DAG size of output: 657 [2020-07-07 12:57:49,953 WARN L193 SmtUtils]: Spent 3.87 s on a formula simplification. DAG size of input: 873 DAG size of output: 657 [2020-07-07 12:57:56,611 WARN L193 SmtUtils]: Spent 6.61 s on a formula simplification. DAG size of input: 1011 DAG size of output: 756 [2020-07-07 12:58:04,539 WARN L193 SmtUtils]: Spent 6.82 s on a formula simplification. DAG size of input: 1011 DAG size of output: 756 [2020-07-07 12:58:16,073 WARN L193 SmtUtils]: Spent 6.89 s on a formula simplification. DAG size of input: 1011 DAG size of output: 756 [2020-07-07 12:58:24,357 WARN L193 SmtUtils]: Spent 5.98 s on a formula simplification. DAG size of input: 945 DAG size of output: 710 [2020-07-07 12:58:31,324 WARN L193 SmtUtils]: Spent 6.83 s on a formula simplification. DAG size of input: 1011 DAG size of output: 756 [2020-07-07 12:58:33,053 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 210 [2020-07-07 12:58:33,161 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 210 [2020-07-07 12:58:33,265 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 210 [2020-07-07 12:58:33,408 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 199 [2020-07-07 12:58:34,800 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 212 [2020-07-07 12:58:35,304 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 199 [2020-07-07 12:58:46,911 WARN L193 SmtUtils]: Spent 3.78 s on a formula simplification. DAG size of input: 778 DAG size of output: 597 [2020-07-07 12:58:57,300 WARN L193 SmtUtils]: Spent 5.84 s on a formula simplification. DAG size of input: 945 DAG size of output: 710 [2020-07-07 12:59:01,784 WARN L193 SmtUtils]: Spent 3.92 s on a formula simplification. DAG size of input: 873 DAG size of output: 657 [2020-07-07 12:59:14,151 WARN L193 SmtUtils]: Spent 6.69 s on a formula simplification. DAG size of input: 1011 DAG size of output: 756 [2020-07-07 12:59:27,147 WARN L193 SmtUtils]: Spent 9.80 s on a formula simplification. DAG size of input: 1172 DAG size of output: 920 [2020-07-07 12:59:28,027 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 231 [2020-07-07 12:59:52,934 WARN L193 SmtUtils]: Spent 6.01 s on a formula simplification. DAG size of input: 959 DAG size of output: 722 [2020-07-07 13:00:01,737 WARN L193 SmtUtils]: Spent 6.89 s on a formula simplification. DAG size of input: 1011 DAG size of output: 756 [2020-07-07 13:00:04,669 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 25 [2020-07-07 13:00:12,584 WARN L193 SmtUtils]: Spent 6.95 s on a formula simplification. DAG size of input: 1011 DAG size of output: 756 [2020-07-07 13:00:14,640 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 247 [2020-07-07 13:00:14,897 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 248 [2020-07-07 13:00:15,024 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 246 [2020-07-07 13:00:15,228 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 248 [2020-07-07 13:00:16,065 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 248 [2020-07-07 13:00:16,414 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 249 [2020-07-07 13:00:17,325 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 243 [2020-07-07 13:00:17,469 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 243 [2020-07-07 13:00:17,678 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 243 [2020-07-07 13:00:18,169 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 243 [2020-07-07 13:00:18,542 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 246 [2020-07-07 13:00:19,288 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 246 [2020-07-07 13:00:19,444 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 246 [2020-07-07 13:00:19,579 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 243 [2020-07-07 13:00:19,968 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 243 [2020-07-07 13:00:20,150 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 243 [2020-07-07 13:00:20,318 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 243 [2020-07-07 13:00:20,529 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 246 [2020-07-07 13:00:20,702 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 246 [2020-07-07 13:00:20,967 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 243 [2020-07-07 13:00:23,095 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 263 DAG size of output: 35 [2020-07-07 13:00:32,512 WARN L193 SmtUtils]: Spent 9.41 s on a formula simplification. DAG size of input: 527 DAG size of output: 39 [2020-07-07 13:00:45,017 WARN L193 SmtUtils]: Spent 12.50 s on a formula simplification. DAG size of input: 598 DAG size of output: 40 [2020-07-07 13:00:46,339 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 315 DAG size of output: 33 [2020-07-07 13:00:47,138 WARN L193 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 34 [2020-07-07 13:00:48,005 WARN L193 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 33 [2020-07-07 13:00:49,858 WARN L193 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 290 DAG size of output: 39 [2020-07-07 13:00:51,492 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 309 DAG size of output: 44 [2020-07-07 13:00:51,973 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 18 [2020-07-07 13:00:52,823 WARN L193 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 24 [2020-07-07 13:00:54,488 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 266 DAG size of output: 33 [2020-07-07 13:00:54,678 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-07-07 13:00:56,262 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 263 DAG size of output: 35 [2020-07-07 13:00:56,615 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 29 [2020-07-07 13:00:57,009 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 29 [2020-07-07 13:01:05,455 WARN L193 SmtUtils]: Spent 8.44 s on a formula simplification. DAG size of input: 492 DAG size of output: 41 [2020-07-07 13:01:05,718 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 1 [2020-07-07 13:01:18,475 WARN L193 SmtUtils]: Spent 12.67 s on a formula simplification. DAG size of input: 593 DAG size of output: 37 [2020-07-07 13:01:19,675 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 399 DAG size of output: 1 [2020-07-07 13:01:20,053 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 31 [2020-07-07 13:01:32,849 WARN L193 SmtUtils]: Spent 12.78 s on a formula simplification. DAG size of input: 593 DAG size of output: 37 [2020-07-07 13:01:33,380 WARN L193 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 21 [2020-07-07 13:01:34,238 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 32 [2020-07-07 13:01:35,377 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 259 DAG size of output: 36 [2020-07-07 13:01:38,954 WARN L193 SmtUtils]: Spent 3.55 s on a formula simplification. DAG size of input: 460 DAG size of output: 38 [2020-07-07 13:01:40,348 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 253 DAG size of output: 28 [2020-07-07 13:01:40,632 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 1 [2020-07-07 13:01:43,885 WARN L193 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 449 DAG size of output: 34 [2020-07-07 13:01:44,318 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 32 [2020-07-07 13:01:45,167 WARN L193 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 24 [2020-07-07 13:01:46,373 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 246 DAG size of output: 21 [2020-07-07 13:01:47,896 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 276 DAG size of output: 41 [2020-07-07 13:01:49,072 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 248 DAG size of output: 24 [2020-07-07 13:01:49,427 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-07-07 13:01:49,949 WARN L193 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 21 [2020-07-07 13:01:50,421 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 28 [2020-07-07 13:01:50,614 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-07-07 13:01:51,469 WARN L193 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 28 [2020-07-07 13:01:52,152 WARN L193 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 35 [2020-07-07 13:01:52,432 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 1 [2020-07-07 13:01:54,071 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 263 DAG size of output: 46 [2020-07-07 13:01:54,448 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 21 [2020-07-07 13:01:54,931 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 18 [2020-07-07 13:02:04,265 WARN L193 SmtUtils]: Spent 9.33 s on a formula simplification. DAG size of input: 527 DAG size of output: 39 [2020-07-07 13:02:04,455 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-07-07 13:02:04,744 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 1 [2020-07-07 13:02:05,158 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 25 [2020-07-07 13:02:05,442 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 1 [2020-07-07 13:02:06,587 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 259 DAG size of output: 28 [2020-07-07 13:02:07,432 WARN L193 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 28 [2020-07-07 13:02:07,981 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 29 [2020-07-07 13:02:09,303 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 224 DAG size of output: 30 [2020-07-07 13:02:10,377 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 221 DAG size of output: 36 [2020-07-07 13:02:10,782 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 32 [2020-07-07 13:02:11,179 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 22 [2020-07-07 13:02:11,375 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-07-07 13:02:12,132 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 24 [2020-07-07 13:02:13,404 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 248 DAG size of output: 25 [2020-07-07 13:02:13,789 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-07-07 13:02:13,985 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-07-07 13:02:14,513 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 25 [2020-07-07 13:02:28,046 WARN L193 SmtUtils]: Spent 13.53 s on a formula simplification. DAG size of input: 624 DAG size of output: 37 [2020-07-07 13:02:28,885 WARN L193 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 24 [2020-07-07 13:02:29,009 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 1 [2020-07-07 13:02:29,886 WARN L193 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 27 [2020-07-07 13:02:31,340 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 278 DAG size of output: 35 [2020-07-07 13:02:31,467 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 1 [2020-07-07 13:02:31,939 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 18 [2020-07-07 13:02:32,790 WARN L193 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 24 [2020-07-07 13:02:33,905 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 220 DAG size of output: 20 [2020-07-07 13:02:43,524 WARN L193 SmtUtils]: Spent 9.61 s on a formula simplification. DAG size of input: 527 DAG size of output: 39 [2020-07-07 13:02:44,286 WARN L193 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 24 [2020-07-07 13:02:53,937 WARN L193 SmtUtils]: Spent 9.64 s on a formula simplification. DAG size of input: 527 DAG size of output: 39 [2020-07-07 13:02:54,132 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 25 [2020-07-07 13:02:54,653 WARN L193 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 18 [2020-07-07 13:02:56,164 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 245 DAG size of output: 32 [2020-07-07 13:02:56,366 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-07-07 13:02:56,902 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 18 [2020-07-07 13:02:59,477 WARN L193 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 403 DAG size of output: 43 [2020-07-07 13:03:00,003 WARN L193 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 18 [2020-07-07 13:03:00,270 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 1 [2020-07-07 13:03:01,677 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 297 DAG size of output: 33 [2020-07-07 13:03:01,878 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 25 [2020-07-07 13:03:02,429 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2020-07-07 13:03:03,651 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 246 DAG size of output: 21 [2020-07-07 13:03:03,949 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 1 [2020-07-07 13:03:04,331 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-07-07 13:03:06,222 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 286 DAG size of output: 34 [2020-07-07 13:03:06,842 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 24 [2020-07-07 13:03:08,663 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 282 DAG size of output: 33 [2020-07-07 13:03:08,861 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-07-07 13:03:10,506 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 254 DAG size of output: 34 [2020-07-07 13:03:20,137 WARN L193 SmtUtils]: Spent 9.60 s on a formula simplification. DAG size of input: 527 DAG size of output: 39 [2020-07-07 13:03:20,667 WARN L193 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 21 [2020-07-07 13:03:34,404 WARN L193 SmtUtils]: Spent 13.73 s on a formula simplification. DAG size of input: 624 DAG size of output: 37 [2020-07-07 13:03:36,167 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 264 DAG size of output: 39 [2020-07-07 13:03:49,881 WARN L193 SmtUtils]: Spent 13.71 s on a formula simplification. DAG size of input: 624 DAG size of output: 37 [2020-07-07 13:03:53,173 WARN L193 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 396 DAG size of output: 39 [2020-07-07 13:03:56,467 WARN L193 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 396 DAG size of output: 39 [2020-07-07 13:04:10,206 WARN L193 SmtUtils]: Spent 13.73 s on a formula simplification. DAG size of input: 624 DAG size of output: 37 [2020-07-07 13:04:11,081 WARN L193 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 28 [2020-07-07 13:04:12,720 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 254 DAG size of output: 34 [2020-07-07 13:04:13,006 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 1 [2020-07-07 13:04:13,389 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 29 [2020-07-07 13:04:14,564 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 221 DAG size of output: 36 [2020-07-07 13:04:27,726 WARN L193 SmtUtils]: Spent 13.15 s on a formula simplification. DAG size of input: 593 DAG size of output: 37 [2020-07-07 13:04:28,888 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 221 DAG size of output: 36 [2020-07-07 13:04:42,655 WARN L193 SmtUtils]: Spent 13.75 s on a formula simplification. DAG size of input: 624 DAG size of output: 37 [2020-07-07 13:04:44,720 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 295 DAG size of output: 42 [2020-07-07 13:04:45,850 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 218 DAG size of output: 32 [2020-07-07 13:04:46,066 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-07-07 13:04:47,378 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 222 DAG size of output: 26 [2020-07-07 13:04:47,755 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-07-07 13:04:49,588 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 286 DAG size of output: 39 [2020-07-07 13:04:49,879 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 1 [2020-07-07 13:04:50,749 WARN L193 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 28 [2020-07-07 13:04:52,163 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 259 DAG size of output: 34 [2020-07-07 13:04:53,967 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 286 DAG size of output: 34 [2020-07-07 13:04:54,216 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 28 [2020-07-07 13:04:54,888 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 25 [2020-07-07 13:04:56,062 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 226 DAG size of output: 39 [2020-07-07 13:04:56,339 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 1 [2020-07-07 13:04:57,229 WARN L193 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 28 [2020-07-07 13:04:57,633 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-07-07 13:04:59,605 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 282 DAG size of output: 31 [2020-07-07 13:05:00,967 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 315 DAG size of output: 28 [2020-07-07 13:05:02,901 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 282 DAG size of output: 31 [2020-07-07 13:05:04,801 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 284 DAG size of output: 35 [2020-07-07 13:05:05,018 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-07-07 13:05:06,123 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 259 DAG size of output: 28 [2020-07-07 13:05:06,998 WARN L193 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 33 [2020-07-07 13:05:13,076 WARN L193 SmtUtils]: Spent 6.07 s on a formula simplification. DAG size of input: 489 DAG size of output: 39 [2020-07-07 13:05:13,913 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 30 [2020-07-07 13:05:14,755 WARN L193 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 33 [2020-07-07 13:05:15,789 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 217 DAG size of output: 25 [2020-07-07 13:05:16,798 WARN L193 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 31 [2020-07-07 13:05:17,681 WARN L193 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 34 [2020-07-07 13:05:18,952 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 275 DAG size of output: 45 [2020-07-07 13:05:19,830 WARN L193 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 34 [2020-07-07 13:05:21,287 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 265 DAG size of output: 32 [2020-07-07 13:05:22,125 WARN L193 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 36 [2020-07-07 13:05:23,125 WARN L193 SmtUtils]: Spent 992.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 1 [2020-07-07 13:05:23,568 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 32 [2020-07-07 13:05:23,944 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 19 [2020-07-07 13:05:25,587 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 296 DAG size of output: 47 [2020-07-07 13:05:38,698 WARN L193 SmtUtils]: Spent 13.10 s on a formula simplification. DAG size of input: 593 DAG size of output: 37 [2020-07-07 13:05:39,586 WARN L193 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 35 [2020-07-07 13:05:49,286 WARN L193 SmtUtils]: Spent 9.69 s on a formula simplification. DAG size of input: 527 DAG size of output: 39 [2020-07-07 13:05:49,674 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-07-07 13:05:50,065 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-07-07 13:05:51,831 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 245 DAG size of output: 36 [2020-07-07 13:05:53,117 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 248 DAG size of output: 25 [2020-07-07 13:05:53,487 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27