/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product40.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 12:43:39,799 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 12:43:39,802 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 12:43:39,818 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 12:43:39,819 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 12:43:39,820 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 12:43:39,821 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 12:43:39,823 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 12:43:39,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 12:43:39,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 12:43:39,826 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 12:43:39,827 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 12:43:39,827 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 12:43:39,828 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 12:43:39,829 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 12:43:39,830 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 12:43:39,831 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 12:43:39,832 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 12:43:39,834 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 12:43:39,836 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 12:43:39,837 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 12:43:39,838 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 12:43:39,839 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 12:43:39,840 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 12:43:39,843 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 12:43:39,843 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 12:43:39,843 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 12:43:39,844 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 12:43:39,844 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 12:43:39,845 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 12:43:39,845 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 12:43:39,846 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 12:43:39,847 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 12:43:39,848 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 12:43:39,848 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 12:43:39,849 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 12:43:39,849 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 12:43:39,850 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 12:43:39,850 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 12:43:39,851 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 12:43:39,851 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 12:43:39,852 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 12:43:39,861 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 12:43:39,861 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 12:43:39,863 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 12:43:39,863 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 12:43:39,863 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 12:43:39,863 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 12:43:39,863 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 12:43:39,864 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 12:43:39,864 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 12:43:39,864 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 12:43:39,864 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 12:43:39,864 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 12:43:39,865 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 12:43:39,865 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 12:43:39,865 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 12:43:39,865 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-07 12:43:39,865 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 12:43:39,866 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 12:43:39,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 12:43:39,866 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 12:43:39,866 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-07 12:43:39,866 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 12:43:39,867 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-07 12:43:40,154 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 12:43:40,172 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 12:43:40,177 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 12:43:40,178 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 12:43:40,179 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 12:43:40,180 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product40.cil.c [2020-07-07 12:43:40,255 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f3de015e/f1c8be07c6e949868ed987aeb818d618/FLAG23d1de8e9 [2020-07-07 12:43:40,832 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 12:43:40,833 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product40.cil.c [2020-07-07 12:43:40,846 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f3de015e/f1c8be07c6e949868ed987aeb818d618/FLAG23d1de8e9 [2020-07-07 12:43:41,131 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f3de015e/f1c8be07c6e949868ed987aeb818d618 [2020-07-07 12:43:41,139 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 12:43:41,141 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 12:43:41,142 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 12:43:41,142 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 12:43:41,145 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 12:43:41,146 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 12:43:41" (1/1) ... [2020-07-07 12:43:41,149 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f8f733e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:43:41, skipping insertion in model container [2020-07-07 12:43:41,149 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 12:43:41" (1/1) ... [2020-07-07 12:43:41,157 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 12:43:41,205 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 12:43:41,691 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 12:43:41,703 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 12:43:41,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 12:43:41,832 INFO L208 MainTranslator]: Completed translation [2020-07-07 12:43:41,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:43:41 WrapperNode [2020-07-07 12:43:41,833 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 12:43:41,834 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 12:43:41,834 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 12:43:41,834 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 12:43:41,847 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:43:41" (1/1) ... [2020-07-07 12:43:41,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:43:41" (1/1) ... [2020-07-07 12:43:41,884 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:43:41" (1/1) ... [2020-07-07 12:43:41,884 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:43:41" (1/1) ... [2020-07-07 12:43:41,928 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:43:41" (1/1) ... [2020-07-07 12:43:41,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:43:41" (1/1) ... [2020-07-07 12:43:41,950 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:43:41" (1/1) ... [2020-07-07 12:43:41,958 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 12:43:41,959 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 12:43:41,959 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 12:43:41,959 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 12:43:41,960 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:43:41" (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 12:43:42,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 12:43:42,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 12:43:42,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 12:43:42,031 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 12:43:42,031 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 12:43:42,031 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 12:43:42,031 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 12:43:42,032 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 12:43:42,032 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 12:43:42,032 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 12:43:42,032 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 12:43:42,032 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 12:43:42,032 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-07 12:43:42,033 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-07 12:43:42,033 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-07 12:43:42,033 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 12:43:42,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 12:43:42,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 12:43:42,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 12:43:42,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 12:43:42,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 12:43:42,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 12:43:42,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-07 12:43:42,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-07 12:43:42,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-07 12:43:42,035 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 12:43:42,035 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 12:43:42,035 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 12:43:42,035 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 12:43:42,035 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 12:43:42,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 12:43:42,036 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 12:43:42,036 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 12:43:42,036 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 12:43:42,036 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 12:43:42,036 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 12:43:42,037 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 12:43:42,037 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 12:43:42,037 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 12:43:42,037 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 12:43:42,037 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 12:43:42,037 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-07 12:43:42,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 12:43:42,038 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 12:43:42,038 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 12:43:42,038 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 12:43:42,038 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 12:43:42,038 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 12:43:42,038 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-07 12:43:42,038 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 12:43:42,039 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 12:43:42,039 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 12:43:42,039 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 12:43:42,039 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 12:43:42,039 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-07 12:43:42,039 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-07 12:43:42,040 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-07 12:43:42,040 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-07 12:43:42,040 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 12:43:42,040 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 12:43:42,040 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-07 12:43:42,040 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 12:43:42,040 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 12:43:42,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 12:43:42,041 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 12:43:42,041 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 12:43:42,041 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 12:43:42,041 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 12:43:42,041 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 12:43:42,041 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 12:43:42,042 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 12:43:42,042 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 12:43:42,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 12:43:42,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 12:43:42,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 12:43:42,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 12:43:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 12:43:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 12:43:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 12:43:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 12:43:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 12:43:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 12:43:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 12:43:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 12:43:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 12:43:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 12:43:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-07 12:43:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 12:43:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 12:43:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 12:43:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 12:43:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 12:43:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 12:43:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 12:43:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 12:43:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 12:43:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 12:43:42,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 12:43:43,156 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 12:43:43,157 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 12:43:43,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 12:43:43 BoogieIcfgContainer [2020-07-07 12:43:43,164 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 12:43:43,165 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 12:43:43,165 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 12:43:43,168 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 12:43:43,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 12:43:41" (1/3) ... [2020-07-07 12:43:43,169 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e0c8f90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 12:43:43, skipping insertion in model container [2020-07-07 12:43:43,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:43:41" (2/3) ... [2020-07-07 12:43:43,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e0c8f90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 12:43:43, skipping insertion in model container [2020-07-07 12:43:43,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 12:43:43" (3/3) ... [2020-07-07 12:43:43,172 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product40.cil.c [2020-07-07 12:43:43,183 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-07 12:43:43,192 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 12:43:43,208 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 12:43:43,231 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 12:43:43,231 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 12:43:43,231 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-07 12:43:43,231 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 12:43:43,232 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 12:43:43,232 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 12:43:43,232 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 12:43:43,232 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 12:43:43,253 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states. [2020-07-07 12:43:43,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-07-07 12:43:43,275 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:43:43,277 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 12:43:43,277 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:43:43,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:43:43,285 INFO L82 PathProgramCache]: Analyzing trace with hash -1626360374, now seen corresponding path program 1 times [2020-07-07 12:43:43,293 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:43:43,294 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [183889713] [2020-07-07 12:43:43,294 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:43:43,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:44,039 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:43:44,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:44,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:44,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:44,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:44,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:44,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:44,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:44,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:44,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:44,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:44,257 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 12:43:44,258 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:43:44,263 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [183889713] [2020-07-07 12:43:44,265 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:43:44,266 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 12:43:44,268 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413174456] [2020-07-07 12:43:44,282 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 12:43:44,282 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:43:44,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 12:43:44,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 12:43:44,296 INFO L87 Difference]: Start difference. First operand 329 states. Second operand 4 states. [2020-07-07 12:43:45,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:43:45,864 INFO L93 Difference]: Finished difference Result 520 states and 612 transitions. [2020-07-07 12:43:45,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-07 12:43:45,866 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-07-07 12:43:45,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:43:45,884 INFO L225 Difference]: With dead ends: 520 [2020-07-07 12:43:45,885 INFO L226 Difference]: Without dead ends: 327 [2020-07-07 12:43:45,890 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 12:43:45,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-07-07 12:43:46,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 278. [2020-07-07 12:43:46,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2020-07-07 12:43:46,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 303 transitions. [2020-07-07 12:43:46,022 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 303 transitions. Word has length 160 [2020-07-07 12:43:46,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:43:46,023 INFO L479 AbstractCegarLoop]: Abstraction has 278 states and 303 transitions. [2020-07-07 12:43:46,023 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 12:43:46,023 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 303 transitions. [2020-07-07 12:43:46,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-07-07 12:43:46,028 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:43:46,028 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 12:43:46,028 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 12:43:46,029 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:43:46,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:43:46,029 INFO L82 PathProgramCache]: Analyzing trace with hash 170941695, now seen corresponding path program 1 times [2020-07-07 12:43:46,029 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:43:46,030 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [411497162] [2020-07-07 12:43:46,030 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:43:46,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:46,375 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:43:46,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:46,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:46,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:46,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:46,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:46,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:46,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:46,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:46,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:46,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:46,541 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 12:43:46,541 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:43:46,542 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [411497162] [2020-07-07 12:43:46,542 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:43:46,542 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-07 12:43:46,543 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055208827] [2020-07-07 12:43:46,544 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 12:43:46,544 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:43:46,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 12:43:46,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-07 12:43:46,545 INFO L87 Difference]: Start difference. First operand 278 states and 303 transitions. Second operand 5 states. [2020-07-07 12:43:47,250 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:43:48,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:43:48,281 INFO L93 Difference]: Finished difference Result 439 states and 496 transitions. [2020-07-07 12:43:48,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-07 12:43:48,281 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-07-07 12:43:48,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:43:48,286 INFO L225 Difference]: With dead ends: 439 [2020-07-07 12:43:48,287 INFO L226 Difference]: Without dead ends: 316 [2020-07-07 12:43:48,289 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 12:43:48,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2020-07-07 12:43:48,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 268. [2020-07-07 12:43:48,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2020-07-07 12:43:48,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 290 transitions. [2020-07-07 12:43:48,376 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 290 transitions. Word has length 161 [2020-07-07 12:43:48,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:43:48,377 INFO L479 AbstractCegarLoop]: Abstraction has 268 states and 290 transitions. [2020-07-07 12:43:48,377 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 12:43:48,377 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 290 transitions. [2020-07-07 12:43:48,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-07-07 12:43:48,380 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:43:48,380 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 12:43:48,381 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 12:43:48,381 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:43:48,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:43:48,382 INFO L82 PathProgramCache]: Analyzing trace with hash -1075710309, now seen corresponding path program 1 times [2020-07-07 12:43:48,382 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:43:48,382 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [939723329] [2020-07-07 12:43:48,382 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:43:48,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:48,736 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:43:48,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:48,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:48,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:48,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:48,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:48,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:48,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:48,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:48,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:48,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:48,883 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 12:43:48,884 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:43:48,884 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [939723329] [2020-07-07 12:43:48,884 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:43:48,885 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-07 12:43:48,885 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053709027] [2020-07-07 12:43:48,886 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 12:43:48,886 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:43:48,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 12:43:48,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-07-07 12:43:48,887 INFO L87 Difference]: Start difference. First operand 268 states and 290 transitions. Second operand 11 states. [2020-07-07 12:43:49,556 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:43:50,060 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:43:50,366 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:43:50,605 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:43:50,834 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:43:51,077 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:43:52,163 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:43:54,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:43:54,545 INFO L93 Difference]: Finished difference Result 741 states and 863 transitions. [2020-07-07 12:43:54,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-07-07 12:43:54,546 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 174 [2020-07-07 12:43:54,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:43:54,560 INFO L225 Difference]: With dead ends: 741 [2020-07-07 12:43:54,560 INFO L226 Difference]: Without dead ends: 588 [2020-07-07 12:43:54,564 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2020-07-07 12:43:54,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2020-07-07 12:43:54,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 489. [2020-07-07 12:43:54,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 489 states. [2020-07-07 12:43:54,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 549 transitions. [2020-07-07 12:43:54,743 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 549 transitions. Word has length 174 [2020-07-07 12:43:54,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:43:54,744 INFO L479 AbstractCegarLoop]: Abstraction has 489 states and 549 transitions. [2020-07-07 12:43:54,744 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 12:43:54,744 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 549 transitions. [2020-07-07 12:43:54,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-07-07 12:43:54,748 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:43:54,748 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 12:43:54,748 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 12:43:54,749 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:43:54,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:43:54,749 INFO L82 PathProgramCache]: Analyzing trace with hash 872929662, now seen corresponding path program 1 times [2020-07-07 12:43:54,749 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:43:54,750 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1375233342] [2020-07-07 12:43:54,750 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:43:54,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:55,080 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:43:55,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:55,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:55,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:55,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:55,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:55,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:55,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:55,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:55,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:55,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:55,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:55,256 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 12:43:55,257 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:43:55,258 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1375233342] [2020-07-07 12:43:55,258 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:43:55,258 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-07 12:43:55,259 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517143082] [2020-07-07 12:43:55,259 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-07 12:43:55,260 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:43:55,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-07 12:43:55,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-07-07 12:43:55,260 INFO L87 Difference]: Start difference. First operand 489 states and 549 transitions. Second operand 10 states. [2020-07-07 12:43:55,945 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:43:56,865 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:43:57,126 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:43:58,237 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:43:58,506 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:43:58,845 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:43:59,078 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:43:59,362 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:43:59,638 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:44:00,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:44:00,548 INFO L93 Difference]: Finished difference Result 1128 states and 1355 transitions. [2020-07-07 12:44:00,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-07 12:44:00,552 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 179 [2020-07-07 12:44:00,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:44:00,561 INFO L225 Difference]: With dead ends: 1128 [2020-07-07 12:44:00,561 INFO L226 Difference]: Without dead ends: 754 [2020-07-07 12:44:00,564 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 12:44:00,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2020-07-07 12:44:00,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 661. [2020-07-07 12:44:00,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 661 states. [2020-07-07 12:44:00,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 745 transitions. [2020-07-07 12:44:00,764 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 745 transitions. Word has length 179 [2020-07-07 12:44:00,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:44:00,764 INFO L479 AbstractCegarLoop]: Abstraction has 661 states and 745 transitions. [2020-07-07 12:44:00,765 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-07 12:44:00,765 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 745 transitions. [2020-07-07 12:44:00,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-07-07 12:44:00,768 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:44:00,769 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:44:00,769 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 12:44:00,769 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:44:00,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:44:00,770 INFO L82 PathProgramCache]: Analyzing trace with hash 780568910, now seen corresponding path program 1 times [2020-07-07 12:44:00,770 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:44:00,770 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1231369655] [2020-07-07 12:44:00,771 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:44:00,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:01,069 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:44:01,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:01,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:01,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:01,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:01,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:01,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:01,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:01,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:01,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:01,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:01,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:01,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:01,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:01,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:01,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:01,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:01,296 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 12:44:01,297 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:44:01,297 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1231369655] [2020-07-07 12:44:01,297 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:44:01,297 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-07 12:44:01,298 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351046948] [2020-07-07 12:44:01,298 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 12:44:01,298 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:44:01,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 12:44:01,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-07-07 12:44:01,299 INFO L87 Difference]: Start difference. First operand 661 states and 745 transitions. Second operand 11 states. [2020-07-07 12:44:02,983 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:44:03,248 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 12:44:03,517 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-07 12:44:03,774 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:44:04,035 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:44:04,295 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:44:05,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:44:05,358 INFO L93 Difference]: Finished difference Result 1415 states and 1699 transitions. [2020-07-07 12:44:05,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-07 12:44:05,359 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 212 [2020-07-07 12:44:05,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:44:05,365 INFO L225 Difference]: With dead ends: 1415 [2020-07-07 12:44:05,365 INFO L226 Difference]: Without dead ends: 869 [2020-07-07 12:44:05,367 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-07-07 12:44:05,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 869 states. [2020-07-07 12:44:05,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 869 to 680. [2020-07-07 12:44:05,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 680 states. [2020-07-07 12:44:05,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 765 transitions. [2020-07-07 12:44:05,639 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 765 transitions. Word has length 212 [2020-07-07 12:44:05,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:44:05,640 INFO L479 AbstractCegarLoop]: Abstraction has 680 states and 765 transitions. [2020-07-07 12:44:05,644 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 12:44:05,644 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 765 transitions. [2020-07-07 12:44:05,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-07-07 12:44:05,648 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:44:05,648 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:44:05,648 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 12:44:05,649 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:44:05,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:44:05,650 INFO L82 PathProgramCache]: Analyzing trace with hash 655364526, now seen corresponding path program 1 times [2020-07-07 12:44:05,650 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:44:05,650 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [516819278] [2020-07-07 12:44:05,651 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:44:05,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:05,966 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:44:05,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:06,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:06,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:06,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:06,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:06,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:06,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:06,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:06,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:06,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:06,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:06,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:06,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:06,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:06,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:06,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:06,259 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 12:44:06,260 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:44:06,261 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [516819278] [2020-07-07 12:44:06,262 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:44:06,262 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-07-07 12:44:06,262 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034844680] [2020-07-07 12:44:06,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-07 12:44:06,263 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:44:06,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-07 12:44:06,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-07-07 12:44:06,264 INFO L87 Difference]: Start difference. First operand 680 states and 765 transitions. Second operand 14 states. [2020-07-07 12:44:06,818 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:44:07,072 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 12:44:07,320 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:44:07,565 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:44:07,799 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:44:08,923 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:44:09,199 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:44:09,502 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:44:09,786 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:44:10,057 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:44:11,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:44:11,465 INFO L93 Difference]: Finished difference Result 1456 states and 1766 transitions. [2020-07-07 12:44:11,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-07-07 12:44:11,465 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 212 [2020-07-07 12:44:11,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:44:11,473 INFO L225 Difference]: With dead ends: 1456 [2020-07-07 12:44:11,473 INFO L226 Difference]: Without dead ends: 891 [2020-07-07 12:44:11,476 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 39 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 12:44:11,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 891 states. [2020-07-07 12:44:11,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 891 to 692. [2020-07-07 12:44:11,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 692 states. [2020-07-07 12:44:11,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 777 transitions. [2020-07-07 12:44:11,722 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 777 transitions. Word has length 212 [2020-07-07 12:44:11,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:44:11,724 INFO L479 AbstractCegarLoop]: Abstraction has 692 states and 777 transitions. [2020-07-07 12:44:11,724 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-07 12:44:11,725 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 777 transitions. [2020-07-07 12:44:11,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-07-07 12:44:11,730 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:44:11,730 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:44:11,730 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-07 12:44:11,731 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:44:11,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:44:11,731 INFO L82 PathProgramCache]: Analyzing trace with hash 1345858667, now seen corresponding path program 1 times [2020-07-07 12:44:11,731 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:44:11,732 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1241458307] [2020-07-07 12:44:11,732 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:44:11,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:12,089 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:44:12,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:12,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:12,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:12,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:12,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:12,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:12,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:12,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:12,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:12,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:12,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:12,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:12,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:12,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:12,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:12,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:12,331 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 12:44:12,331 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:44:12,332 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1241458307] [2020-07-07 12:44:12,332 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:44:12,332 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 12:44:12,332 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629381486] [2020-07-07 12:44:12,333 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 12:44:12,333 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:44:12,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 12:44:12,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-07 12:44:12,333 INFO L87 Difference]: Start difference. First operand 692 states and 777 transitions. Second operand 8 states. [2020-07-07 12:44:12,791 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:44:13,380 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:44:16,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:44:16,133 INFO L93 Difference]: Finished difference Result 2225 states and 2726 transitions. [2020-07-07 12:44:16,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-07-07 12:44:16,133 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 212 [2020-07-07 12:44:16,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:44:16,143 INFO L225 Difference]: With dead ends: 2225 [2020-07-07 12:44:16,143 INFO L226 Difference]: Without dead ends: 1648 [2020-07-07 12:44:16,147 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 45 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=156, Invalid=444, Unknown=0, NotChecked=0, Total=600 [2020-07-07 12:44:16,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1648 states. [2020-07-07 12:44:16,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1648 to 1380. [2020-07-07 12:44:16,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1380 states. [2020-07-07 12:44:16,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 1380 states and 1574 transitions. [2020-07-07 12:44:16,500 INFO L78 Accepts]: Start accepts. Automaton has 1380 states and 1574 transitions. Word has length 212 [2020-07-07 12:44:16,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:44:16,500 INFO L479 AbstractCegarLoop]: Abstraction has 1380 states and 1574 transitions. [2020-07-07 12:44:16,500 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 12:44:16,500 INFO L276 IsEmpty]: Start isEmpty. Operand 1380 states and 1574 transitions. [2020-07-07 12:44:16,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-07-07 12:44:16,504 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:44:16,505 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 12:44:16,505 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-07 12:44:16,505 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:44:16,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:44:16,505 INFO L82 PathProgramCache]: Analyzing trace with hash 139212264, now seen corresponding path program 1 times [2020-07-07 12:44:16,506 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:44:16,506 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1876897877] [2020-07-07 12:44:16,506 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:44:16,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:16,836 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:44:16,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:16,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:16,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:16,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:16,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:16,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:16,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:16,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:16,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:16,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:17,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:17,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:17,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:17,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:17,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:17,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:17,092 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 12:44:17,093 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:44:17,093 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1876897877] [2020-07-07 12:44:17,093 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:44:17,093 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-07-07 12:44:17,094 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555208256] [2020-07-07 12:44:17,094 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-07 12:44:17,094 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:44:17,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-07 12:44:17,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-07-07 12:44:17,095 INFO L87 Difference]: Start difference. First operand 1380 states and 1574 transitions. Second operand 15 states. [2020-07-07 12:44:17,818 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-07 12:44:18,618 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:44:19,753 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-07 12:44:20,218 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-07 12:44:20,530 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:44:20,795 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:44:21,302 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-07 12:44:21,549 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:44:21,839 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:44:22,085 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:44:24,868 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-07-07 12:44:25,437 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:44:25,678 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:44:26,028 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:44:27,112 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-07 12:44:27,584 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-07-07 12:44:28,073 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-07 12:44:28,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:44:28,789 INFO L93 Difference]: Finished difference Result 4223 states and 5190 transitions. [2020-07-07 12:44:28,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-07-07 12:44:28,790 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 217 [2020-07-07 12:44:28,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:44:28,810 INFO L225 Difference]: With dead ends: 4223 [2020-07-07 12:44:28,810 INFO L226 Difference]: Without dead ends: 3239 [2020-07-07 12:44:28,816 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1254 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=816, Invalid=3216, Unknown=0, NotChecked=0, Total=4032 [2020-07-07 12:44:28,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3239 states. [2020-07-07 12:44:29,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3239 to 2529. [2020-07-07 12:44:29,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2529 states. [2020-07-07 12:44:29,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2529 states to 2529 states and 2865 transitions. [2020-07-07 12:44:29,969 INFO L78 Accepts]: Start accepts. Automaton has 2529 states and 2865 transitions. Word has length 217 [2020-07-07 12:44:29,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:44:29,969 INFO L479 AbstractCegarLoop]: Abstraction has 2529 states and 2865 transitions. [2020-07-07 12:44:29,969 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-07 12:44:29,970 INFO L276 IsEmpty]: Start isEmpty. Operand 2529 states and 2865 transitions. [2020-07-07 12:44:29,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2020-07-07 12:44:29,977 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:44:29,978 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:44:29,978 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-07 12:44:29,978 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:44:29,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:44:29,978 INFO L82 PathProgramCache]: Analyzing trace with hash 1028172533, now seen corresponding path program 1 times [2020-07-07 12:44:29,979 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:44:29,979 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [965958843] [2020-07-07 12:44:29,979 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:44:30,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:30,390 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:44:30,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:30,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:30,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:30,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:30,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:30,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:30,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:30,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:30,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:30,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:30,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:30,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:30,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:30,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:30,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:30,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:30,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:30,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:30,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:30,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:30,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:30,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:30,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:30,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:30,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:30,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:30,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:30,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:31,060 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 12:44:31,060 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:44:31,060 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [965958843] [2020-07-07 12:44:31,061 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:44:31,061 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-07-07 12:44:31,061 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067058054] [2020-07-07 12:44:31,062 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-07 12:44:31,062 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:44:31,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-07 12:44:31,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2020-07-07 12:44:31,066 INFO L87 Difference]: Start difference. First operand 2529 states and 2865 transitions. Second operand 19 states. [2020-07-07 12:44:31,919 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:44:32,169 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 12:44:32,408 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:44:32,659 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:44:32,890 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:44:33,854 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-07-07 12:44:34,302 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-07 12:44:34,547 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 12:44:34,832 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-07-07 12:44:35,136 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:44:35,465 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-07-07 12:44:35,812 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-07-07 12:44:36,128 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-07 12:44:37,711 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:44:39,246 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 12:44:39,774 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-07-07 12:44:40,258 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-07 12:44:40,635 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:44:41,373 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:44:41,964 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-07-07 12:44:42,303 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-07-07 12:44:43,001 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-07-07 12:44:43,546 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 196 [2020-07-07 12:44:44,671 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-07-07 12:44:45,217 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:44:45,769 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2020-07-07 12:44:47,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:44:47,739 INFO L93 Difference]: Finished difference Result 5754 states and 6798 transitions. [2020-07-07 12:44:47,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2020-07-07 12:44:47,739 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 303 [2020-07-07 12:44:47,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:44:47,760 INFO L225 Difference]: With dead ends: 5754 [2020-07-07 12:44:47,761 INFO L226 Difference]: Without dead ends: 3606 [2020-07-07 12:44:47,771 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2459 ImplicationChecksByTransitivity, 9.8s TimeCoverageRelationStatistics Valid=1409, Invalid=6601, Unknown=0, NotChecked=0, Total=8010 [2020-07-07 12:44:47,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3606 states. [2020-07-07 12:44:48,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3606 to 2955. [2020-07-07 12:44:48,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2955 states. [2020-07-07 12:44:48,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2955 states to 2955 states and 3294 transitions. [2020-07-07 12:44:48,847 INFO L78 Accepts]: Start accepts. Automaton has 2955 states and 3294 transitions. Word has length 303 [2020-07-07 12:44:48,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:44:48,848 INFO L479 AbstractCegarLoop]: Abstraction has 2955 states and 3294 transitions. [2020-07-07 12:44:48,848 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-07 12:44:48,848 INFO L276 IsEmpty]: Start isEmpty. Operand 2955 states and 3294 transitions. [2020-07-07 12:44:48,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2020-07-07 12:44:48,859 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:44:48,860 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:44:48,860 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-07 12:44:48,860 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:44:48,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:44:48,861 INFO L82 PathProgramCache]: Analyzing trace with hash -1719317365, now seen corresponding path program 1 times [2020-07-07 12:44:48,861 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:44:48,861 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1372026404] [2020-07-07 12:44:48,861 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:44:48,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,232 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:44:49,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,858 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 12:44:49,858 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:44:49,858 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1372026404] [2020-07-07 12:44:49,858 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:44:49,859 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-07-07 12:44:49,859 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273430197] [2020-07-07 12:44:49,860 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-07 12:44:49,860 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:44:49,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-07 12:44:49,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-07-07 12:44:49,860 INFO L87 Difference]: Start difference. First operand 2955 states and 3294 transitions. Second operand 17 states. [2020-07-07 12:44:51,599 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:44:51,856 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:44:52,115 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:44:52,381 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:44:52,619 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:44:52,875 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:44:54,276 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:44:54,558 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:44:58,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:44:58,870 INFO L93 Difference]: Finished difference Result 8480 states and 9983 transitions. [2020-07-07 12:44:58,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-07-07 12:44:58,876 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 473 [2020-07-07 12:44:58,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:44:58,906 INFO L225 Difference]: With dead ends: 8480 [2020-07-07 12:44:58,907 INFO L226 Difference]: Without dead ends: 5125 [2020-07-07 12:44:58,919 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 118 SyntacticMatches, 3 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 568 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=521, Invalid=1831, Unknown=0, NotChecked=0, Total=2352 [2020-07-07 12:44:58,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5125 states. [2020-07-07 12:45:00,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5125 to 4008. [2020-07-07 12:45:00,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4008 states. [2020-07-07 12:45:00,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4008 states to 4008 states and 4551 transitions. [2020-07-07 12:45:00,516 INFO L78 Accepts]: Start accepts. Automaton has 4008 states and 4551 transitions. Word has length 473 [2020-07-07 12:45:00,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:45:00,517 INFO L479 AbstractCegarLoop]: Abstraction has 4008 states and 4551 transitions. [2020-07-07 12:45:00,517 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-07 12:45:00,517 INFO L276 IsEmpty]: Start isEmpty. Operand 4008 states and 4551 transitions. [2020-07-07 12:45:00,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2020-07-07 12:45:00,530 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:45:00,531 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:45:00,531 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-07 12:45:00,531 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:45:00,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:45:00,532 INFO L82 PathProgramCache]: Analyzing trace with hash 1886621430, now seen corresponding path program 1 times [2020-07-07 12:45:00,532 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:45:00,532 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1997890780] [2020-07-07 12:45:00,532 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:45:00,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,941 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:45:00,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:01,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:01,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:01,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:01,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:01,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:01,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:01,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:01,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:01,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:01,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:01,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:01,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:01,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:01,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:01,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:01,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:01,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:01,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:01,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:01,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:01,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:01,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:01,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:01,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:01,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:01,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:01,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:01,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:01,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:01,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:01,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:01,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:01,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:01,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:01,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:01,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:01,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:01,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:01,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:01,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:01,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:01,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:01,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:01,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:01,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:01,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:01,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:01,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:01,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:01,458 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 12:45:01,458 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:45:01,458 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1997890780] [2020-07-07 12:45:01,458 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:45:01,459 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-07-07 12:45:01,459 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664525730] [2020-07-07 12:45:01,459 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-07 12:45:01,460 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:45:01,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-07 12:45:01,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2020-07-07 12:45:01,461 INFO L87 Difference]: Start difference. First operand 4008 states and 4551 transitions. Second operand 19 states. [2020-07-07 12:45:01,965 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:45:02,333 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:45:02,747 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:45:03,006 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:45:03,266 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 12:45:03,506 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:45:04,505 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:45:04,782 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:45:05,970 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:45:06,373 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:45:06,661 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:45:06,951 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:45:07,728 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:45:08,552 WARN L193 SmtUtils]: Spent 775.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:45:09,431 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:45:09,697 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:45:09,935 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:45:11,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:45:11,814 INFO L93 Difference]: Finished difference Result 8100 states and 9472 transitions. [2020-07-07 12:45:11,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-07-07 12:45:11,815 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 487 [2020-07-07 12:45:11,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:45:11,839 INFO L225 Difference]: With dead ends: 8100 [2020-07-07 12:45:11,839 INFO L226 Difference]: Without dead ends: 4509 [2020-07-07 12:45:11,850 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 837 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=646, Invalid=2660, Unknown=0, NotChecked=0, Total=3306 [2020-07-07 12:45:11,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4509 states. [2020-07-07 12:45:13,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4509 to 3909. [2020-07-07 12:45:13,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3909 states. [2020-07-07 12:45:13,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3909 states to 3909 states and 4410 transitions. [2020-07-07 12:45:13,267 INFO L78 Accepts]: Start accepts. Automaton has 3909 states and 4410 transitions. Word has length 487 [2020-07-07 12:45:13,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:45:13,268 INFO L479 AbstractCegarLoop]: Abstraction has 3909 states and 4410 transitions. [2020-07-07 12:45:13,268 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-07 12:45:13,268 INFO L276 IsEmpty]: Start isEmpty. Operand 3909 states and 4410 transitions. [2020-07-07 12:45:13,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2020-07-07 12:45:13,280 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:45:13,281 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:45:13,281 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-07 12:45:13,281 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:45:13,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:45:13,282 INFO L82 PathProgramCache]: Analyzing trace with hash -603363160, now seen corresponding path program 1 times [2020-07-07 12:45:13,282 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:45:13,282 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [424737954] [2020-07-07 12:45:13,282 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:45:13,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:13,592 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:45:13,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:13,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:13,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:13,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:13,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:13,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:13,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:13,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:13,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:13,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:13,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:13,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:13,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:13,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:13,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:13,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:13,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:13,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:13,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:13,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:13,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:13,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:13,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:13,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:13,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:13,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:13,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:13,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:13,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:13,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:13,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:13,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:13,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:13,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:13,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:13,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:13,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:13,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:13,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:13,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:13,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:13,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:13,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:13,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:13,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:13,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:13,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:13,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:13,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:13,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:14,153 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-07 12:45:14,154 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:45:14,154 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [424737954] [2020-07-07 12:45:14,154 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:45:14,154 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-07-07 12:45:14,160 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721503251] [2020-07-07 12:45:14,162 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-07 12:45:14,163 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:45:14,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-07 12:45:14,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2020-07-07 12:45:14,164 INFO L87 Difference]: Start difference. First operand 3909 states and 4410 transitions. Second operand 17 states. [2020-07-07 12:45:14,693 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:45:15,794 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:45:20,449 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:45:20,730 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:45:21,020 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:45:21,297 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:45:21,568 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:45:21,842 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:45:22,102 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:45:22,381 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:45:22,654 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:45:22,936 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:45:23,211 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:45:23,481 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:45:23,972 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 195 [2020-07-07 12:45:24,234 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:45:24,699 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 192 [2020-07-07 12:45:24,981 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:45:25,277 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-07-07 12:45:25,554 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-07-07 12:45:28,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:45:28,888 INFO L93 Difference]: Finished difference Result 12118 states and 14254 transitions. [2020-07-07 12:45:28,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2020-07-07 12:45:28,889 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 484 [2020-07-07 12:45:28,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:45:28,934 INFO L225 Difference]: With dead ends: 12118 [2020-07-07 12:45:28,934 INFO L226 Difference]: Without dead ends: 8337 [2020-07-07 12:45:28,948 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 118 SyntacticMatches, 1 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1098 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=823, Invalid=3337, Unknown=0, NotChecked=0, Total=4160 [2020-07-07 12:45:28,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8337 states. [2020-07-07 12:45:31,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8337 to 7223. [2020-07-07 12:45:31,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7223 states. [2020-07-07 12:45:31,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7223 states to 7223 states and 8056 transitions. [2020-07-07 12:45:31,347 INFO L78 Accepts]: Start accepts. Automaton has 7223 states and 8056 transitions. Word has length 484 [2020-07-07 12:45:31,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:45:31,348 INFO L479 AbstractCegarLoop]: Abstraction has 7223 states and 8056 transitions. [2020-07-07 12:45:31,348 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-07 12:45:31,348 INFO L276 IsEmpty]: Start isEmpty. Operand 7223 states and 8056 transitions. [2020-07-07 12:45:31,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2020-07-07 12:45:31,370 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:45:31,370 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:45:31,371 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-07-07 12:45:31,371 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:45:31,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:45:31,371 INFO L82 PathProgramCache]: Analyzing trace with hash 367765988, now seen corresponding path program 1 times [2020-07-07 12:45:31,371 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:45:31,372 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1194046918] [2020-07-07 12:45:31,372 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:45:31,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:31,702 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:45:31,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:31,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:31,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:31,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:31,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:31,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:31,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:31,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:31,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:31,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:31,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:31,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:31,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:31,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:31,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:31,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:31,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:31,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:31,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:31,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:31,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:31,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:31,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:31,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:31,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:32,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:32,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:32,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:32,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:32,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:32,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:32,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:32,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:32,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:32,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:32,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:32,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:32,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:32,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:32,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:32,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:32,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:32,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:32,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:32,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:32,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:32,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:32,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:32,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:32,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:32,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:32,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:32,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:32,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:32,359 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-07 12:45:32,360 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:45:32,360 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1194046918] [2020-07-07 12:45:32,360 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:45:32,360 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2020-07-07 12:45:32,360 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308360409] [2020-07-07 12:45:32,361 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-07-07 12:45:32,361 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:45:32,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-07-07 12:45:32,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2020-07-07 12:45:32,362 INFO L87 Difference]: Start difference. First operand 7223 states and 8056 transitions. Second operand 23 states. [2020-07-07 12:45:32,907 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:45:33,260 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:45:33,514 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:45:33,768 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:45:34,019 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 12:45:34,259 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:45:35,214 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:45:40,558 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:45:40,829 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:45:41,119 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:45:41,390 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:45:41,651 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:45:41,920 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:45:42,169 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:45:42,437 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:45:42,705 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:45:43,030 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:45:43,306 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:45:43,785 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:45:44,312 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 12:45:44,861 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-07-07 12:45:45,373 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 12:45:49,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:45:49,616 INFO L93 Difference]: Finished difference Result 15488 states and 18076 transitions. [2020-07-07 12:45:49,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2020-07-07 12:45:49,617 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 493 [2020-07-07 12:45:49,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:45:49,657 INFO L225 Difference]: With dead ends: 15488 [2020-07-07 12:45:49,657 INFO L226 Difference]: Without dead ends: 8961 [2020-07-07 12:45:49,676 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 129 SyntacticMatches, 1 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1996 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=1294, Invalid=5846, Unknown=0, NotChecked=0, Total=7140 [2020-07-07 12:45:49,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8961 states. [2020-07-07 12:45:52,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8961 to 6771. [2020-07-07 12:45:52,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6771 states. [2020-07-07 12:45:52,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6771 states to 6771 states and 7542 transitions. [2020-07-07 12:45:52,637 INFO L78 Accepts]: Start accepts. Automaton has 6771 states and 7542 transitions. Word has length 493 [2020-07-07 12:45:52,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:45:52,638 INFO L479 AbstractCegarLoop]: Abstraction has 6771 states and 7542 transitions. [2020-07-07 12:45:52,638 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-07-07 12:45:52,638 INFO L276 IsEmpty]: Start isEmpty. Operand 6771 states and 7542 transitions. [2020-07-07 12:45:52,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 490 [2020-07-07 12:45:52,654 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:45:52,655 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:45:52,655 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-07-07 12:45:52,655 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:45:52,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:45:52,656 INFO L82 PathProgramCache]: Analyzing trace with hash -2062873742, now seen corresponding path program 1 times [2020-07-07 12:45:52,656 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:45:52,656 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [612447859] [2020-07-07 12:45:52,656 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:45:52,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:52,956 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:45:52,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:52,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:52,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:52,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:52,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:52,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:53,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 12:45:53,573 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:45:53,573 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [612447859] [2020-07-07 12:45:53,573 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:45:53,573 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-07-07 12:45:53,573 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853295593] [2020-07-07 12:45:53,574 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-07 12:45:53,574 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:45:53,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-07 12:45:53,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2020-07-07 12:45:53,574 INFO L87 Difference]: Start difference. First operand 6771 states and 7542 transitions. Second operand 19 states. [2020-07-07 12:45:54,114 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:45:55,748 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:45:56,017 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:45:56,495 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-07 12:45:56,777 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:45:57,236 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-07-07 12:45:57,969 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:45:58,425 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-07 12:45:58,730 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:45:59,036 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:45:59,297 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:45:59,566 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:46:01,313 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:46:01,600 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:46:12,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:46:12,563 INFO L93 Difference]: Finished difference Result 15724 states and 18723 transitions. [2020-07-07 12:46:12,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2020-07-07 12:46:12,563 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 489 [2020-07-07 12:46:12,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:46:12,611 INFO L225 Difference]: With dead ends: 15724 [2020-07-07 12:46:12,611 INFO L226 Difference]: Without dead ends: 11621 [2020-07-07 12:46:12,627 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 150 SyntacticMatches, 5 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2131 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=1217, Invalid=5589, Unknown=0, NotChecked=0, Total=6806 [2020-07-07 12:46:12,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11621 states. [2020-07-07 12:46:15,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11621 to 8233. [2020-07-07 12:46:15,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8233 states. [2020-07-07 12:46:15,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8233 states to 8233 states and 9136 transitions. [2020-07-07 12:46:15,290 INFO L78 Accepts]: Start accepts. Automaton has 8233 states and 9136 transitions. Word has length 489 [2020-07-07 12:46:15,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:46:15,291 INFO L479 AbstractCegarLoop]: Abstraction has 8233 states and 9136 transitions. [2020-07-07 12:46:15,291 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-07 12:46:15,291 INFO L276 IsEmpty]: Start isEmpty. Operand 8233 states and 9136 transitions. [2020-07-07 12:46:15,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 505 [2020-07-07 12:46:15,304 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:46:15,305 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:46:15,305 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-07-07 12:46:15,305 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:46:15,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:46:15,305 INFO L82 PathProgramCache]: Analyzing trace with hash -1190004710, now seen corresponding path program 1 times [2020-07-07 12:46:15,306 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:46:15,306 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1250295301] [2020-07-07 12:46:15,306 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:46:15,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,631 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:46:15,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:15,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:16,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:16,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:16,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:16,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:16,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:16,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:16,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:16,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:16,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:16,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:16,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 12:46:16,199 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:46:16,199 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1250295301] [2020-07-07 12:46:16,199 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:46:16,199 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-07-07 12:46:16,199 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341698675] [2020-07-07 12:46:16,200 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-07 12:46:16,200 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:46:16,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-07 12:46:16,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2020-07-07 12:46:16,200 INFO L87 Difference]: Start difference. First operand 8233 states and 9136 transitions. Second operand 19 states. [2020-07-07 12:46:16,740 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:46:18,246 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2020-07-07 12:46:18,689 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:46:18,965 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:46:19,461 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-07 12:46:19,724 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:46:20,204 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 193 [2020-07-07 12:46:20,463 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:46:20,927 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-07 12:46:21,181 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:46:21,545 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:46:21,877 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-07-07 12:46:22,144 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:46:22,400 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:46:23,582 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:46:23,861 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:46:24,395 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-07-07 12:46:24,941 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 197 [2020-07-07 12:46:25,418 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-07-07 12:46:26,168 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:46:26,911 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:46:30,186 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:46:31,106 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:46:31,390 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:46:31,907 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 12:46:32,444 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-07-07 12:46:32,947 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 12:46:41,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:46:41,715 INFO L93 Difference]: Finished difference Result 20819 states and 24982 transitions. [2020-07-07 12:46:41,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2020-07-07 12:46:41,715 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 504 [2020-07-07 12:46:41,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:46:41,773 INFO L225 Difference]: With dead ends: 20819 [2020-07-07 12:46:41,773 INFO L226 Difference]: Without dead ends: 15976 [2020-07-07 12:46:41,798 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 185 SyntacticMatches, 6 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5977 ImplicationChecksByTransitivity, 11.2s TimeCoverageRelationStatistics Valid=2604, Invalid=13652, Unknown=0, NotChecked=0, Total=16256 [2020-07-07 12:46:41,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15976 states. [2020-07-07 12:46:45,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15976 to 10389. [2020-07-07 12:46:45,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10389 states. [2020-07-07 12:46:45,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10389 states to 10389 states and 11492 transitions. [2020-07-07 12:46:45,244 INFO L78 Accepts]: Start accepts. Automaton has 10389 states and 11492 transitions. Word has length 504 [2020-07-07 12:46:45,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:46:45,245 INFO L479 AbstractCegarLoop]: Abstraction has 10389 states and 11492 transitions. [2020-07-07 12:46:45,245 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-07 12:46:45,245 INFO L276 IsEmpty]: Start isEmpty. Operand 10389 states and 11492 transitions. [2020-07-07 12:46:45,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 596 [2020-07-07 12:46:45,264 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:46:45,265 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:46:45,265 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-07-07 12:46:45,265 INFO L427 AbstractCegarLoop]: === Iteration 16 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:46:45,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:46:45,266 INFO L82 PathProgramCache]: Analyzing trace with hash -1258603028, now seen corresponding path program 2 times [2020-07-07 12:46:45,266 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:46:45,266 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [945352958] [2020-07-07 12:46:45,266 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:46:45,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,579 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:46:45,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:45,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:46,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 12:46:46,297 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:46:46,298 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [945352958] [2020-07-07 12:46:46,298 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:46:46,298 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-07-07 12:46:46,298 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226019092] [2020-07-07 12:46:46,299 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-07-07 12:46:46,299 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:46:46,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-07-07 12:46:46,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2020-07-07 12:46:46,300 INFO L87 Difference]: Start difference. First operand 10389 states and 11492 transitions. Second operand 18 states. [2020-07-07 12:46:46,890 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:46:47,752 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:46:48,863 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:46:49,153 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:46:50,142 WARN L193 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-07 12:46:50,423 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:46:50,908 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-07-07 12:46:51,182 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:46:51,647 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-07 12:46:51,941 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:46:52,248 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:46:52,580 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:46:52,867 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:46:54,011 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:46:54,302 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:47:02,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:47:02,185 INFO L93 Difference]: Finished difference Result 20851 states and 24356 transitions. [2020-07-07 12:47:02,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2020-07-07 12:47:02,185 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 595 [2020-07-07 12:47:02,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:47:02,238 INFO L225 Difference]: With dead ends: 20851 [2020-07-07 12:47:02,238 INFO L226 Difference]: Without dead ends: 13824 [2020-07-07 12:47:02,262 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 170 SyntacticMatches, 2 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2234 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=1326, Invalid=5316, Unknown=0, NotChecked=0, Total=6642 [2020-07-07 12:47:02,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13824 states. [2020-07-07 12:47:05,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13824 to 10155. [2020-07-07 12:47:05,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10155 states. [2020-07-07 12:47:05,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10155 states to 10155 states and 11166 transitions. [2020-07-07 12:47:05,635 INFO L78 Accepts]: Start accepts. Automaton has 10155 states and 11166 transitions. Word has length 595 [2020-07-07 12:47:05,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:47:05,635 INFO L479 AbstractCegarLoop]: Abstraction has 10155 states and 11166 transitions. [2020-07-07 12:47:05,635 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-07-07 12:47:05,635 INFO L276 IsEmpty]: Start isEmpty. Operand 10155 states and 11166 transitions. [2020-07-07 12:47:05,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 575 [2020-07-07 12:47:05,652 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:47:05,653 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:47:05,653 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-07-07 12:47:05,653 INFO L427 AbstractCegarLoop]: === Iteration 17 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:47:05,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:47:05,654 INFO L82 PathProgramCache]: Analyzing trace with hash -1006091000, now seen corresponding path program 1 times [2020-07-07 12:47:05,654 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:47:05,654 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1265376930] [2020-07-07 12:47:05,654 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:47:05,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,039 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:47:06,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:47:06,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 12:47:06,608 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:47:06,608 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1265376930] [2020-07-07 12:47:06,609 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:47:06,609 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-07-07 12:47:06,609 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092880030] [2020-07-07 12:47:06,609 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-07-07 12:47:06,609 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:47:06,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-07-07 12:47:06,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2020-07-07 12:47:06,610 INFO L87 Difference]: Start difference. First operand 10155 states and 11166 transitions. Second operand 18 states. [2020-07-07 12:47:07,137 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:47:07,912 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:47:08,907 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:47:09,166 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:47:09,494 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:47:09,759 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:47:10,027 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:47:10,404 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:47:11,556 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:47:11,846 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:47:12,168 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:47:12,471 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:47:13,255 WARN L193 SmtUtils]: Spent 720.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:47:20,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:47:20,362 INFO L93 Difference]: Finished difference Result 19562 states and 22612 transitions. [2020-07-07 12:47:20,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2020-07-07 12:47:20,362 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 574 [2020-07-07 12:47:20,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:47:20,368 INFO L225 Difference]: With dead ends: 19562 [2020-07-07 12:47:20,368 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 12:47:20,402 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 155 SyntacticMatches, 1 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1995 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=1255, Invalid=4907, Unknown=0, NotChecked=0, Total=6162 [2020-07-07 12:47:20,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 12:47:20,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 12:47:20,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 12:47:20,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 12:47:20,405 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 574 [2020-07-07 12:47:20,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:47:20,405 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 12:47:20,406 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-07-07 12:47:20,406 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 12:47:20,406 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 12:47:20,406 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-07-07 12:47:20,408 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 12:47:20,769 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 204 [2020-07-07 12:47:21,217 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 201 [2020-07-07 12:47:21,793 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 200 [2020-07-07 12:47:22,317 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 202 [2020-07-07 12:47:22,634 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 200 [2020-07-07 12:47:23,038 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 203 [2020-07-07 12:47:23,415 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 201 [2020-07-07 12:47:30,747 WARN L193 SmtUtils]: Spent 6.37 s on a formula simplification. DAG size of input: 1423 DAG size of output: 798 [2020-07-07 12:47:36,544 WARN L193 SmtUtils]: Spent 5.79 s on a formula simplification. DAG size of input: 1423 DAG size of output: 798 [2020-07-07 12:47:50,979 WARN L193 SmtUtils]: Spent 14.43 s on a formula simplification. DAG size of input: 1939 DAG size of output: 1195 [2020-07-07 12:47:52,968 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 219 [2020-07-07 12:47:53,503 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 219 [2020-07-07 12:47:53,706 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 220 [2020-07-07 12:47:53,953 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 219 [2020-07-07 12:47:54,737 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 219 [2020-07-07 12:47:54,907 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 219 [2020-07-07 12:47:55,125 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 219 [2020-07-07 12:47:55,326 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 219 [2020-07-07 12:47:55,565 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 219 [2020-07-07 12:47:55,732 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 219 [2020-07-07 12:47:55,903 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 219 [2020-07-07 12:47:56,098 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 220 [2020-07-07 12:47:56,290 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 220 [2020-07-07 12:47:56,447 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 220 [2020-07-07 12:47:56,608 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 220 [2020-07-07 12:47:56,894 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 220 [2020-07-07 12:47:58,173 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 219 [2020-07-07 12:47:58,362 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 219 [2020-07-07 12:47:58,997 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 219 [2020-07-07 12:47:59,322 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 219 [2020-07-07 12:47:59,787 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 220 [2020-07-07 12:48:00,554 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 220 [2020-07-07 12:48:01,043 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 219 [2020-07-07 12:48:01,244 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 220 [2020-07-07 12:48:07,166 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 243 [2020-07-07 12:48:07,640 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 244 [2020-07-07 12:48:08,628 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 199 [2020-07-07 12:48:12,050 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 224 [2020-07-07 12:48:12,180 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 224 [2020-07-07 12:48:12,348 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 222 [2020-07-07 12:48:12,697 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 226 [2020-07-07 12:48:13,506 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 223 [2020-07-07 12:48:13,700 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 223 [2020-07-07 12:48:13,836 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 223 [2020-07-07 12:48:14,020 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 223 [2020-07-07 12:48:14,925 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 248 [2020-07-07 12:48:15,536 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 249 [2020-07-07 12:48:16,639 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 222 [2020-07-07 12:48:16,798 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 245 [2020-07-07 12:48:17,230 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 234 [2020-07-07 12:48:17,450 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 246 [2020-07-07 12:48:17,847 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-07-07 12:48:17,999 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 224 [2020-07-07 12:48:18,235 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 224 [2020-07-07 12:48:34,521 WARN L193 SmtUtils]: Spent 14.55 s on a formula simplification. DAG size of input: 1939 DAG size of output: 1195 [2020-07-07 12:48:48,832 WARN L193 SmtUtils]: Spent 14.29 s on a formula simplification. DAG size of input: 1939 DAG size of output: 1195 [2020-07-07 12:49:04,914 WARN L193 SmtUtils]: Spent 14.36 s on a formula simplification. DAG size of input: 1939 DAG size of output: 1195 [2020-07-07 12:49:10,678 WARN L193 SmtUtils]: Spent 5.76 s on a formula simplification. DAG size of input: 1423 DAG size of output: 787 [2020-07-07 12:49:12,369 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 219 [2020-07-07 12:49:15,333 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 216 [2020-07-07 12:49:19,166 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 222 [2020-07-07 12:49:22,893 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 203 [2020-07-07 12:49:25,257 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-07-07 12:49:25,488 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 209 [2020-07-07 12:49:25,778 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 212 [2020-07-07 12:49:26,084 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 207 [2020-07-07 12:49:42,660 WARN L193 SmtUtils]: Spent 14.78 s on a formula simplification. DAG size of input: 1939 DAG size of output: 1195 [2020-07-07 12:49:53,387 WARN L193 SmtUtils]: Spent 10.70 s on a formula simplification. DAG size of input: 1711 DAG size of output: 1069 [2020-07-07 12:50:04,175 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 206 [2020-07-07 12:50:05,152 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 206 [2020-07-07 12:50:05,279 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 206 [2020-07-07 12:50:05,735 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 204 [2020-07-07 12:50:06,488 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 206 [2020-07-07 12:50:10,556 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 200 [2020-07-07 12:50:11,089 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 203 [2020-07-07 12:50:11,423 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 200 [2020-07-07 12:50:11,579 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 200 [2020-07-07 12:50:12,003 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 200 [2020-07-07 12:50:12,162 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 200 [2020-07-07 12:50:12,347 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 200 [2020-07-07 12:50:12,794 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 200 [2020-07-07 12:50:12,899 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 200 [2020-07-07 12:50:13,027 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 203 [2020-07-07 12:50:13,141 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 203 [2020-07-07 12:50:13,253 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 203 [2020-07-07 12:50:13,375 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 203 [2020-07-07 12:50:13,630 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 200 [2020-07-07 12:50:13,738 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 200 [2020-07-07 12:50:14,550 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 200 [2020-07-07 12:50:14,784 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 200 [2020-07-07 12:50:15,032 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 203 [2020-07-07 12:50:15,532 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 203 [2020-07-07 12:50:15,673 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 203 [2020-07-07 12:50:15,830 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 200 [2020-07-07 12:50:15,982 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 200 [2020-07-07 12:50:16,585 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 200 [2020-07-07 12:50:16,740 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 203 [2020-07-07 12:50:19,511 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 243 [2020-07-07 12:50:19,618 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 243 [2020-07-07 12:50:20,120 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 244 [2020-07-07 12:50:30,470 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 228 [2020-07-07 12:50:31,824 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 228 [2020-07-07 12:50:45,110 WARN L193 SmtUtils]: Spent 10.57 s on a formula simplification. DAG size of input: 1711 DAG size of output: 1069 [2020-07-07 12:50:50,876 WARN L193 SmtUtils]: Spent 5.76 s on a formula simplification. DAG size of input: 1423 DAG size of output: 798 [2020-07-07 12:50:59,466 WARN L193 SmtUtils]: Spent 8.59 s on a formula simplification. DAG size of input: 1393 DAG size of output: 932 [2020-07-07 12:50:59,714 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 248 [2020-07-07 12:51:02,385 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 242 [2020-07-07 12:51:03,012 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 244 [2020-07-07 12:51:04,123 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 246 [2020-07-07 12:51:15,411 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 248 [2020-07-07 12:51:18,045 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 242 [2020-07-07 12:51:18,690 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 244 [2020-07-07 12:51:19,793 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 246 [2020-07-07 12:51:22,458 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 198 [2020-07-07 12:51:22,849 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 198 [2020-07-07 12:51:23,001 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 201 [2020-07-07 12:51:23,153 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 207 [2020-07-07 12:51:23,285 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 199 [2020-07-07 12:51:23,411 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 207 [2020-07-07 12:51:24,010 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 199 [2020-07-07 12:51:24,135 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 199 [2020-07-07 12:51:24,304 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 199 [2020-07-07 12:51:24,479 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 199 [2020-07-07 12:51:24,668 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 198 [2020-07-07 12:51:24,781 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 198 [2020-07-07 12:51:24,906 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 199 [2020-07-07 12:51:25,069 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 201 [2020-07-07 12:51:25,191 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 198 [2020-07-07 12:51:25,293 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 198 [2020-07-07 12:51:25,398 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 198 [2020-07-07 12:51:25,599 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 201 [2020-07-07 12:51:26,160 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-07-07 12:51:26,336 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-07-07 12:51:26,463 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 209 [2020-07-07 12:51:26,609 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 209 [2020-07-07 12:51:26,761 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-07-07 12:51:26,926 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-07-07 12:51:27,227 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 198 [2020-07-07 12:51:27,380 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 199 [2020-07-07 12:51:27,599 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 212 [2020-07-07 12:51:27,781 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 212 [2020-07-07 12:51:28,050 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 198 [2020-07-07 12:51:28,333 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 198 [2020-07-07 12:51:28,608 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 207 [2020-07-07 12:51:28,752 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 201 [2020-07-07 12:51:28,890 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 207 [2020-07-07 12:51:29,322 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 198 [2020-07-07 12:51:29,729 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 199 [2020-07-07 12:51:29,858 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 201 [2020-07-07 12:51:54,436 WARN L193 SmtUtils]: Spent 20.36 s on a formula simplification. DAG size of input: 2221 DAG size of output: 1387 [2020-07-07 12:51:55,518 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 215 [2020-07-07 12:52:11,013 WARN L193 SmtUtils]: Spent 14.63 s on a formula simplification. DAG size of input: 1939 DAG size of output: 1195 [2020-07-07 12:52:13,070 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 243 [2020-07-07 12:52:13,554 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 244 [2020-07-07 12:52:30,846 WARN L193 SmtUtils]: Spent 10.85 s on a formula simplification. DAG size of input: 1709 DAG size of output: 1069 [2020-07-07 12:52:33,583 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 219 [2020-07-07 12:52:34,569 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 243 [2020-07-07 12:52:35,312 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 240 [2020-07-07 12:52:35,593 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 244 [2020-07-07 12:52:51,092 WARN L193 SmtUtils]: Spent 15.21 s on a formula simplification. DAG size of input: 1939 DAG size of output: 1195 [2020-07-07 12:53:10,521 WARN L193 SmtUtils]: Spent 14.34 s on a formula simplification. DAG size of input: 1939 DAG size of output: 1195 [2020-07-07 12:53:23,631 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 207 [2020-07-07 12:53:23,755 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 207 [2020-07-07 12:53:24,467 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-07-07 12:53:24,645 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-07-07 12:53:24,788 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 209 [2020-07-07 12:53:24,918 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 209 [2020-07-07 12:53:25,052 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-07-07 12:53:25,203 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-07-07 12:53:25,559 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 212 [2020-07-07 12:53:25,729 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 212 [2020-07-07 12:53:26,013 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 207 [2020-07-07 12:53:26,179 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 207 [2020-07-07 12:53:33,181 WARN L193 SmtUtils]: Spent 6.78 s on a formula simplification. DAG size of input: 1361 DAG size of output: 868 [2020-07-07 12:53:45,984 WARN L193 SmtUtils]: Spent 5.72 s on a formula simplification. DAG size of input: 1423 DAG size of output: 798 [2020-07-07 12:53:52,822 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 206 [2020-07-07 12:53:55,406 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 219 [2020-07-07 12:53:55,527 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 219 [2020-07-07 12:53:55,688 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 216 [2020-07-07 12:53:56,000 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 218 [2020-07-07 12:53:56,515 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 216 [2020-07-07 12:53:56,686 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 217 [2020-07-07 12:53:56,806 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 218 [2020-07-07 12:53:56,977 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 218 [2020-07-07 12:53:57,809 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 244 [2020-07-07 12:53:58,372 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 245 [2020-07-07 12:53:59,371 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 217 [2020-07-07 12:53:59,532 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 241 [2020-07-07 12:54:00,097 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 243 [2020-07-07 12:54:00,460 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 219 [2020-07-07 12:54:00,596 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 217 [2020-07-07 12:54:00,725 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 218 [2020-07-07 12:54:11,628 WARN L193 SmtUtils]: Spent 10.66 s on a formula simplification. DAG size of input: 1711 DAG size of output: 1069 [2020-07-07 12:54:22,128 WARN L193 SmtUtils]: Spent 10.49 s on a formula simplification. DAG size of input: 1437 DAG size of output: 976 [2020-07-07 12:54:30,864 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 244 [2020-07-07 12:54:33,854 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 243 [2020-07-07 12:54:46,734 WARN L193 SmtUtils]: Spent 10.85 s on a formula simplification. DAG size of input: 1711 DAG size of output: 1069 [2020-07-07 12:54:55,484 WARN L193 SmtUtils]: Spent 5.83 s on a formula simplification. DAG size of input: 1423 DAG size of output: 798 [2020-07-07 12:55:04,894 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 224 [2020-07-07 12:55:05,039 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 224 [2020-07-07 12:55:05,216 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 222 [2020-07-07 12:55:05,590 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 226 [2020-07-07 12:55:06,112 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 223 [2020-07-07 12:55:06,311 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 223 [2020-07-07 12:55:06,439 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 223 [2020-07-07 12:55:06,619 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 223 [2020-07-07 12:55:07,499 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 248 [2020-07-07 12:55:08,093 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 249 [2020-07-07 12:55:09,197 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 222 [2020-07-07 12:55:09,355 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 245 [2020-07-07 12:55:09,924 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 246 [2020-07-07 12:55:10,309 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-07-07 12:55:10,461 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 224 [2020-07-07 12:55:10,602 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 224 [2020-07-07 12:55:14,968 WARN L193 SmtUtils]: Spent 4.09 s on a formula simplification. DAG size of input: 389 DAG size of output: 41 [2020-07-07 12:55:16,291 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 325 DAG size of output: 38 [2020-07-07 12:55:16,674 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-07-07 12:55:28,431 WARN L193 SmtUtils]: Spent 11.62 s on a formula simplification. DAG size of input: 642 DAG size of output: 44 [2020-07-07 12:55:39,942 WARN L193 SmtUtils]: Spent 11.48 s on a formula simplification. DAG size of input: 642 DAG size of output: 44 [2020-07-07 12:56:18,626 WARN L193 SmtUtils]: Spent 38.65 s on a formula simplification. DAG size of input: 992 DAG size of output: 42 [2020-07-07 12:56:20,267 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 350 DAG size of output: 1 [2020-07-07 12:56:22,856 WARN L193 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 372 DAG size of output: 52 [2020-07-07 12:56:26,785 WARN L193 SmtUtils]: Spent 3.90 s on a formula simplification. DAG size of input: 322 DAG size of output: 25 [2020-07-07 12:56:28,431 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 356 DAG size of output: 1 [2020-07-07 12:56:30,227 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 334 DAG size of output: 39 [2020-07-07 12:56:31,252 WARN L193 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 30 [2020-07-07 12:56:34,820 WARN L193 SmtUtils]: Spent 3.53 s on a formula simplification. DAG size of input: 659 DAG size of output: 1 [2020-07-07 12:56:38,633 WARN L193 SmtUtils]: Spent 3.80 s on a formula simplification. DAG size of input: 324 DAG size of output: 24 [2020-07-07 12:56:39,964 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 182 DAG size of output: 28 [2020-07-07 12:56:41,072 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 186 DAG size of output: 22 [2020-07-07 12:56:41,440 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-07-07 12:56:48,096 WARN L193 SmtUtils]: Spent 6.60 s on a formula simplification. DAG size of input: 723 DAG size of output: 42 [2020-07-07 12:56:52,273 WARN L193 SmtUtils]: Spent 4.16 s on a formula simplification. DAG size of input: 329 DAG size of output: 33 [2020-07-07 12:56:52,821 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 37