/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_product38.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 12:43:33,840 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 12:43:33,845 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 12:43:33,856 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 12:43:33,857 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 12:43:33,858 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 12:43:33,859 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 12:43:33,861 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 12:43:33,863 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 12:43:33,864 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 12:43:33,865 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 12:43:33,866 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 12:43:33,866 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 12:43:33,867 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 12:43:33,868 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 12:43:33,869 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 12:43:33,870 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 12:43:33,871 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 12:43:33,872 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 12:43:33,874 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 12:43:33,875 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 12:43:33,876 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 12:43:33,877 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 12:43:33,878 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 12:43:33,881 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 12:43:33,881 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 12:43:33,881 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 12:43:33,882 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 12:43:33,882 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 12:43:33,883 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 12:43:33,884 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 12:43:33,884 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 12:43:33,885 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 12:43:33,886 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 12:43:33,887 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 12:43:33,887 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 12:43:33,888 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 12:43:33,888 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 12:43:33,888 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 12:43:33,889 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 12:43:33,890 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 12:43:33,891 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 12:43:33,899 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 12:43:33,899 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 12:43:33,901 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 12:43:33,901 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 12:43:33,901 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 12:43:33,901 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 12:43:33,901 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 12:43:33,902 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 12:43:33,902 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 12:43:33,902 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 12:43:33,902 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 12:43:33,902 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 12:43:33,903 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 12:43:33,903 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 12:43:33,903 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 12:43:33,903 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-07 12:43:33,903 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 12:43:33,904 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 12:43:33,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 12:43:33,904 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 12:43:33,904 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-07 12:43:33,905 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 12:43:33,905 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-07 12:43:34,193 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 12:43:34,206 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 12:43:34,209 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 12:43:34,210 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 12:43:34,210 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 12:43:34,211 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product38.cil.c [2020-07-07 12:43:34,285 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0893d0808/17a986f16aa94b20a097246c904724c0/FLAGea662430b [2020-07-07 12:43:34,784 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 12:43:34,784 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product38.cil.c [2020-07-07 12:43:34,797 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0893d0808/17a986f16aa94b20a097246c904724c0/FLAGea662430b [2020-07-07 12:43:35,153 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0893d0808/17a986f16aa94b20a097246c904724c0 [2020-07-07 12:43:35,162 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 12:43:35,163 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 12:43:35,165 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 12:43:35,165 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 12:43:35,168 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 12:43:35,169 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 12:43:35" (1/1) ... [2020-07-07 12:43:35,174 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a270210 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:43:35, skipping insertion in model container [2020-07-07 12:43:35,174 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 12:43:35" (1/1) ... [2020-07-07 12:43:35,181 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 12:43:35,227 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 12:43:35,711 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 12:43:35,730 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 12:43:35,824 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 12:43:35,863 INFO L208 MainTranslator]: Completed translation [2020-07-07 12:43:35,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:43:35 WrapperNode [2020-07-07 12:43:35,864 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 12:43:35,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 12:43:35,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 12:43:35,865 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 12:43:35,875 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:43:35" (1/1) ... [2020-07-07 12:43:35,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:43:35" (1/1) ... [2020-07-07 12:43:35,895 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:43:35" (1/1) ... [2020-07-07 12:43:35,895 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:43:35" (1/1) ... [2020-07-07 12:43:35,928 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:43:35" (1/1) ... [2020-07-07 12:43:35,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:43:35" (1/1) ... [2020-07-07 12:43:35,946 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:43:35" (1/1) ... [2020-07-07 12:43:35,954 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 12:43:35,954 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 12:43:35,954 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 12:43:35,955 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 12:43:35,956 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:43:35" (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 12:43:36,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 12:43:36,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 12:43:36,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 12:43:36,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 12:43:36,015 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 12:43:36,016 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 12:43:36,016 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 12:43:36,016 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 12:43:36,016 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 12:43:36,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-07 12:43:36,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-07 12:43:36,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-07 12:43:36,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 12:43:36,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 12:43:36,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 12:43:36,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 12:43:36,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 12:43:36,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 12:43:36,017 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 12:43:36,017 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 12:43:36,018 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 12:43:36,018 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 12:43:36,018 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 12:43:36,018 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 12:43:36,018 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-07 12:43:36,019 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 12:43:36,019 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 12:43:36,019 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 12:43:36,019 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 12:43:36,019 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 12:43:36,019 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 12:43:36,019 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 12:43:36,020 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 12:43:36,020 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 12:43:36,020 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-07 12:43:36,020 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-07 12:43:36,020 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 12:43:36,021 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 12:43:36,021 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 12:43:36,021 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 12:43:36,021 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 12:43:36,021 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 12:43:36,021 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 12:43:36,022 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 12:43:36,022 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 12:43:36,022 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 12:43:36,022 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 12:43:36,022 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 12:43:36,022 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 12:43:36,022 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 12:43:36,022 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 12:43:36,023 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 12:43:36,023 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-07 12:43:36,023 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 12:43:36,023 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 12:43:36,023 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 12:43:36,023 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 12:43:36,023 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 12:43:36,023 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 12:43:36,023 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 12:43:36,024 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 12:43:36,024 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-07 12:43:36,024 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-07 12:43:36,024 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 12:43:36,024 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 12:43:36,024 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 12:43:36,024 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 12:43:36,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 12:43:36,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 12:43:36,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 12:43:36,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 12:43:36,025 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 12:43:36,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 12:43:36,025 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 12:43:36,025 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 12:43:36,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 12:43:36,025 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 12:43:36,026 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 12:43:36,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 12:43:36,026 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 12:43:36,026 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 12:43:36,026 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 12:43:36,026 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 12:43:36,026 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-07 12:43:36,027 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 12:43:36,027 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 12:43:36,027 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-07 12:43:36,027 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 12:43:36,027 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 12:43:36,027 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-07 12:43:36,027 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 12:43:36,028 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 12:43:36,028 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 12:43:36,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 12:43:36,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 12:43:36,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 12:43:37,173 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 12:43:37,173 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 12:43:37,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 12:43:37 BoogieIcfgContainer [2020-07-07 12:43:37,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 12:43:37,181 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 12:43:37,181 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 12:43:37,184 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 12:43:37,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 12:43:35" (1/3) ... [2020-07-07 12:43:37,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25a4de62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 12:43:37, skipping insertion in model container [2020-07-07 12:43:37,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:43:35" (2/3) ... [2020-07-07 12:43:37,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25a4de62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 12:43:37, skipping insertion in model container [2020-07-07 12:43:37,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 12:43:37" (3/3) ... [2020-07-07 12:43:37,188 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product38.cil.c [2020-07-07 12:43:37,199 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-07 12:43:37,207 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 12:43:37,221 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 12:43:37,240 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 12:43:37,241 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 12:43:37,241 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-07 12:43:37,241 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 12:43:37,241 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 12:43:37,241 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 12:43:37,241 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 12:43:37,242 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 12:43:37,263 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states. [2020-07-07 12:43:37,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-07-07 12:43:37,285 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:43:37,286 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 12:43:37,286 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:43:37,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:43:37,293 INFO L82 PathProgramCache]: Analyzing trace with hash -548539878, now seen corresponding path program 1 times [2020-07-07 12:43:37,302 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:43:37,303 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1422454150] [2020-07-07 12:43:37,303 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:43:37,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:38,095 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:43:38,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:38,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:38,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:38,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:38,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:38,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:38,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:38,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:38,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:38,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:38,311 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 12:43:38,312 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:43:38,314 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1422454150] [2020-07-07 12:43:38,316 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:43:38,317 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 12:43:38,317 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997958598] [2020-07-07 12:43:38,324 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 12:43:38,325 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:43:38,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 12:43:38,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 12:43:38,343 INFO L87 Difference]: Start difference. First operand 323 states. Second operand 4 states. [2020-07-07 12:43:39,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:43:39,721 INFO L93 Difference]: Finished difference Result 505 states and 591 transitions. [2020-07-07 12:43:39,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-07 12:43:39,723 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-07-07 12:43:39,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:43:39,751 INFO L225 Difference]: With dead ends: 505 [2020-07-07 12:43:39,751 INFO L226 Difference]: Without dead ends: 318 [2020-07-07 12:43:39,758 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 12:43:39,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-07-07 12:43:39,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 272. [2020-07-07 12:43:39,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2020-07-07 12:43:39,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 295 transitions. [2020-07-07 12:43:39,937 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 295 transitions. Word has length 160 [2020-07-07 12:43:39,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:43:39,939 INFO L479 AbstractCegarLoop]: Abstraction has 272 states and 295 transitions. [2020-07-07 12:43:39,939 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 12:43:39,939 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 295 transitions. [2020-07-07 12:43:39,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-07-07 12:43:39,944 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:43:39,944 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 12:43:39,944 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 12:43:39,945 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:43:39,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:43:39,945 INFO L82 PathProgramCache]: Analyzing trace with hash -2128164298, now seen corresponding path program 1 times [2020-07-07 12:43:39,945 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:43:39,946 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1317721955] [2020-07-07 12:43:39,946 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:43:40,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:40,314 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:43:40,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:40,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:40,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:40,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:40,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:40,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:40,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:40,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:40,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:40,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:40,438 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 12:43:40,438 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:43:40,439 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1317721955] [2020-07-07 12:43:40,439 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:43:40,439 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-07 12:43:40,440 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094802040] [2020-07-07 12:43:40,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 12:43:40,444 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:43:40,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 12:43:40,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-07 12:43:40,445 INFO L87 Difference]: Start difference. First operand 272 states and 295 transitions. Second operand 5 states. [2020-07-07 12:43:41,192 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:43:42,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:43:42,250 INFO L93 Difference]: Finished difference Result 430 states and 483 transitions. [2020-07-07 12:43:42,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-07 12:43:42,251 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-07-07 12:43:42,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:43:42,256 INFO L225 Difference]: With dead ends: 430 [2020-07-07 12:43:42,256 INFO L226 Difference]: Without dead ends: 307 [2020-07-07 12:43:42,259 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-07 12:43:42,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2020-07-07 12:43:42,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 262. [2020-07-07 12:43:42,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-07-07 12:43:42,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 282 transitions. [2020-07-07 12:43:42,329 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 282 transitions. Word has length 161 [2020-07-07 12:43:42,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:43:42,330 INFO L479 AbstractCegarLoop]: Abstraction has 262 states and 282 transitions. [2020-07-07 12:43:42,330 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 12:43:42,330 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 282 transitions. [2020-07-07 12:43:42,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-07-07 12:43:42,333 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:43:42,333 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 12:43:42,334 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 12:43:42,334 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:43:42,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:43:42,334 INFO L82 PathProgramCache]: Analyzing trace with hash -1816762298, now seen corresponding path program 1 times [2020-07-07 12:43:42,335 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:43:42,335 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1909648365] [2020-07-07 12:43:42,335 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:43:42,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:42,743 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:43:42,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:42,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:42,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:42,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:42,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:42,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:42,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:42,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:42,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:42,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:42,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:42,929 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 12:43:42,929 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:43:42,930 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1909648365] [2020-07-07 12:43:42,930 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:43:42,931 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-07 12:43:42,931 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000512479] [2020-07-07 12:43:42,933 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 12:43:42,933 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:43:42,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 12:43:42,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-07-07 12:43:42,934 INFO L87 Difference]: Start difference. First operand 262 states and 282 transitions. Second operand 11 states. [2020-07-07 12:43:43,648 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:43:44,150 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:43:44,454 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:43:44,695 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:43:44,947 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:43:45,183 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:43:46,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:43:46,977 INFO L93 Difference]: Finished difference Result 477 states and 548 transitions. [2020-07-07 12:43:46,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-07 12:43:46,978 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 174 [2020-07-07 12:43:46,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:43:46,982 INFO L225 Difference]: With dead ends: 477 [2020-07-07 12:43:46,982 INFO L226 Difference]: Without dead ends: 330 [2020-07-07 12:43:46,985 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2020-07-07 12:43:46,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2020-07-07 12:43:47,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 262. [2020-07-07 12:43:47,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-07-07 12:43:47,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 281 transitions. [2020-07-07 12:43:47,075 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 281 transitions. Word has length 174 [2020-07-07 12:43:47,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:43:47,076 INFO L479 AbstractCegarLoop]: Abstraction has 262 states and 281 transitions. [2020-07-07 12:43:47,076 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 12:43:47,076 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 281 transitions. [2020-07-07 12:43:47,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-07-07 12:43:47,079 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:43:47,079 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:43:47,080 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 12:43:47,080 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:43:47,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:43:47,080 INFO L82 PathProgramCache]: Analyzing trace with hash -113759087, now seen corresponding path program 1 times [2020-07-07 12:43:47,081 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:43:47,081 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [410314321] [2020-07-07 12:43:47,081 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:43:47,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:47,433 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:43:47,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:47,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:47,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:47,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:47,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:47,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:47,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:47,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:47,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:47,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:47,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:47,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:47,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:47,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:47,609 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 12:43:47,609 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:43:47,610 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [410314321] [2020-07-07 12:43:47,610 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:43:47,610 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 12:43:47,610 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527240078] [2020-07-07 12:43:47,611 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 12:43:47,612 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:43:47,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 12:43:47,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-07 12:43:47,614 INFO L87 Difference]: Start difference. First operand 262 states and 281 transitions. Second operand 8 states. [2020-07-07 12:43:48,118 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:43:50,018 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:43:50,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:43:50,712 INFO L93 Difference]: Finished difference Result 666 states and 793 transitions. [2020-07-07 12:43:50,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-07-07 12:43:50,712 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 187 [2020-07-07 12:43:50,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:43:50,720 INFO L225 Difference]: With dead ends: 666 [2020-07-07 12:43:50,720 INFO L226 Difference]: Without dead ends: 519 [2020-07-07 12:43:50,721 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2020-07-07 12:43:50,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2020-07-07 12:43:50,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 381. [2020-07-07 12:43:50,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2020-07-07 12:43:50,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 412 transitions. [2020-07-07 12:43:50,848 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 412 transitions. Word has length 187 [2020-07-07 12:43:50,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:43:50,849 INFO L479 AbstractCegarLoop]: Abstraction has 381 states and 412 transitions. [2020-07-07 12:43:50,849 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 12:43:50,849 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 412 transitions. [2020-07-07 12:43:50,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-07-07 12:43:50,852 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:43:50,852 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:43:50,852 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 12:43:50,853 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:43:50,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:43:50,853 INFO L82 PathProgramCache]: Analyzing trace with hash 2080657374, now seen corresponding path program 1 times [2020-07-07 12:43:50,853 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:43:50,854 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1539439463] [2020-07-07 12:43:50,854 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:43:50,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:51,135 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:43:51,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:51,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:51,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:51,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:51,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:51,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:51,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:51,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:51,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:51,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:51,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:51,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:51,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:51,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:51,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:51,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:51,312 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 12:43:51,312 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:43:51,313 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1539439463] [2020-07-07 12:43:51,313 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:43:51,313 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-07 12:43:51,314 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542655584] [2020-07-07 12:43:51,314 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 12:43:51,314 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:43:51,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 12:43:51,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-07-07 12:43:51,315 INFO L87 Difference]: Start difference. First operand 381 states and 412 transitions. Second operand 11 states. [2020-07-07 12:43:51,843 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:43:52,733 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:43:52,983 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:43:53,853 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:43:54,140 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:43:54,452 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:43:55,010 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:43:55,261 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:43:55,542 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:43:56,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:43:56,132 INFO L93 Difference]: Finished difference Result 784 states and 920 transitions. [2020-07-07 12:43:56,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-07-07 12:43:56,132 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 211 [2020-07-07 12:43:56,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:43:56,137 INFO L225 Difference]: With dead ends: 784 [2020-07-07 12:43:56,137 INFO L226 Difference]: Without dead ends: 518 [2020-07-07 12:43:56,139 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=248, Invalid=622, Unknown=0, NotChecked=0, Total=870 [2020-07-07 12:43:56,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2020-07-07 12:43:56,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 380. [2020-07-07 12:43:56,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2020-07-07 12:43:56,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 409 transitions. [2020-07-07 12:43:56,273 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 409 transitions. Word has length 211 [2020-07-07 12:43:56,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:43:56,274 INFO L479 AbstractCegarLoop]: Abstraction has 380 states and 409 transitions. [2020-07-07 12:43:56,274 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 12:43:56,274 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 409 transitions. [2020-07-07 12:43:56,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-07-07 12:43:56,277 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:43:56,278 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 12:43:56,278 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 12:43:56,278 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:43:56,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:43:56,279 INFO L82 PathProgramCache]: Analyzing trace with hash -841990399, now seen corresponding path program 1 times [2020-07-07 12:43:56,279 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:43:56,279 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [727850430] [2020-07-07 12:43:56,279 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:43:56,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:56,530 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:43:56,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:56,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:56,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:56,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:56,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:56,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:56,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:56,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:56,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:56,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:56,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:56,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:56,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:56,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:56,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:56,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:43:56,773 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 12:43:56,773 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:43:56,774 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [727850430] [2020-07-07 12:43:56,775 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:43:56,775 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-07 12:43:56,776 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514258900] [2020-07-07 12:43:56,777 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 12:43:56,777 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:43:56,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 12:43:56,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-07-07 12:43:56,778 INFO L87 Difference]: Start difference. First operand 380 states and 409 transitions. Second operand 11 states. [2020-07-07 12:43:58,107 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:43:58,357 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 12:43:58,641 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-07 12:43:58,896 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:43:59,155 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:43:59,400 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:44:00,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:44:00,276 INFO L93 Difference]: Finished difference Result 785 states and 916 transitions. [2020-07-07 12:44:00,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-07 12:44:00,276 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 212 [2020-07-07 12:44:00,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:44:00,282 INFO L225 Difference]: With dead ends: 785 [2020-07-07 12:44:00,282 INFO L226 Difference]: Without dead ends: 520 [2020-07-07 12:44:00,284 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-07-07 12:44:00,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2020-07-07 12:44:00,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 388. [2020-07-07 12:44:00,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 388 states. [2020-07-07 12:44:00,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 417 transitions. [2020-07-07 12:44:00,408 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 417 transitions. Word has length 212 [2020-07-07 12:44:00,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:44:00,408 INFO L479 AbstractCegarLoop]: Abstraction has 388 states and 417 transitions. [2020-07-07 12:44:00,408 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 12:44:00,409 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 417 transitions. [2020-07-07 12:44:00,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-07-07 12:44:00,410 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:44:00,410 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 12:44:00,411 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-07 12:44:00,411 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:44:00,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:44:00,411 INFO L82 PathProgramCache]: Analyzing trace with hash -967194783, now seen corresponding path program 1 times [2020-07-07 12:44:00,412 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:44:00,412 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1099447946] [2020-07-07 12:44:00,412 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:44:00,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:00,703 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:44:00,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:00,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:00,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:00,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:00,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:00,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:00,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:00,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:00,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:00,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:00,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:00,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:00,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:00,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:00,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:00,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:00,913 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 12:44:00,914 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:44:00,919 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1099447946] [2020-07-07 12:44:00,919 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:44:00,919 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-07-07 12:44:00,919 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982575726] [2020-07-07 12:44:00,920 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-07 12:44:00,920 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:44:00,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-07 12:44:00,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-07-07 12:44:00,921 INFO L87 Difference]: Start difference. First operand 388 states and 417 transitions. Second operand 14 states. [2020-07-07 12:44:01,485 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:44:01,727 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 12:44:01,969 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:44:02,203 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:44:02,440 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:44:03,435 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:44:03,727 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:44:03,981 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:44:04,233 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:44:04,478 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:44:05,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:44:05,755 INFO L93 Difference]: Finished difference Result 804 states and 947 transitions. [2020-07-07 12:44:05,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-07 12:44:05,756 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 212 [2020-07-07 12:44:05,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:44:05,759 INFO L225 Difference]: With dead ends: 804 [2020-07-07 12:44:05,759 INFO L226 Difference]: Without dead ends: 531 [2020-07-07 12:44:05,761 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-07-07 12:44:05,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2020-07-07 12:44:05,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 394. [2020-07-07 12:44:05,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-07-07 12:44:05,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 423 transitions. [2020-07-07 12:44:05,881 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 423 transitions. Word has length 212 [2020-07-07 12:44:05,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:44:05,882 INFO L479 AbstractCegarLoop]: Abstraction has 394 states and 423 transitions. [2020-07-07 12:44:05,882 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-07 12:44:05,882 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 423 transitions. [2020-07-07 12:44:05,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-07-07 12:44:05,884 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:44:05,884 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 12:44:05,885 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-07 12:44:05,885 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:44:05,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:44:05,885 INFO L82 PathProgramCache]: Analyzing trace with hash -276700642, now seen corresponding path program 1 times [2020-07-07 12:44:05,885 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:44:05,886 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1520311163] [2020-07-07 12:44:05,886 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:44:05,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:06,148 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:44:06,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:06,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:06,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:06,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:06,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:06,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:06,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:06,214 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 12:44:06,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:06,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:06,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:06,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:06,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:06,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:06,352 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 12:44:06,352 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:44:06,353 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1520311163] [2020-07-07 12:44:06,353 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:44:06,353 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 12:44:06,353 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476941429] [2020-07-07 12:44:06,354 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 12:44:06,354 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:44:06,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 12:44:06,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-07 12:44:06,355 INFO L87 Difference]: Start difference. First operand 394 states and 423 transitions. Second operand 8 states. [2020-07-07 12:44:06,824 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:44:07,408 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:44:09,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:44:09,914 INFO L93 Difference]: Finished difference Result 1135 states and 1370 transitions. [2020-07-07 12:44:09,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-07-07 12:44:09,915 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 212 [2020-07-07 12:44:09,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:44:09,923 INFO L225 Difference]: With dead ends: 1135 [2020-07-07 12:44:09,923 INFO L226 Difference]: Without dead ends: 856 [2020-07-07 12:44:09,928 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 43 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=155, Invalid=445, Unknown=0, NotChecked=0, Total=600 [2020-07-07 12:44:09,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2020-07-07 12:44:10,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 649. [2020-07-07 12:44:10,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 649 states. [2020-07-07 12:44:10,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 715 transitions. [2020-07-07 12:44:10,258 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 715 transitions. Word has length 212 [2020-07-07 12:44:10,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:44:10,259 INFO L479 AbstractCegarLoop]: Abstraction has 649 states and 715 transitions. [2020-07-07 12:44:10,259 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 12:44:10,259 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 715 transitions. [2020-07-07 12:44:10,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-07-07 12:44:10,263 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:44:10,263 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 12:44:10,263 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-07 12:44:10,263 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:44:10,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:44:10,264 INFO L82 PathProgramCache]: Analyzing trace with hash -61438169, now seen corresponding path program 1 times [2020-07-07 12:44:10,264 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:44:10,264 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1960648086] [2020-07-07 12:44:10,265 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:44:10,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:10,670 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:44:10,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:10,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:10,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:10,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:10,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:10,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:10,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:10,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:10,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:10,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:10,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:10,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:10,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:10,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:10,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:10,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:11,025 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 12:44:11,026 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:44:11,026 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1960648086] [2020-07-07 12:44:11,026 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:44:11,027 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-07-07 12:44:11,027 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400547657] [2020-07-07 12:44:11,028 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-07 12:44:11,028 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:44:11,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-07 12:44:11,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-07-07 12:44:11,029 INFO L87 Difference]: Start difference. First operand 649 states and 715 transitions. Second operand 15 states. [2020-07-07 12:44:11,913 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-07 12:44:12,739 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:44:14,417 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-07 12:44:14,879 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-07 12:44:15,162 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:44:15,406 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:44:15,861 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-07 12:44:16,115 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:44:16,386 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:44:16,632 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:44:18,516 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:44:18,746 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:44:19,001 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:44:19,585 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-07-07 12:44:20,984 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-07 12:44:21,454 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-07-07 12:44:21,934 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-07 12:44:22,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:44:22,493 INFO L93 Difference]: Finished difference Result 2014 states and 2423 transitions. [2020-07-07 12:44:22,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-07-07 12:44:22,495 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 217 [2020-07-07 12:44:22,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:44:22,504 INFO L225 Difference]: With dead ends: 2014 [2020-07-07 12:44:22,504 INFO L226 Difference]: Without dead ends: 1587 [2020-07-07 12:44:22,507 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1097 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=754, Invalid=2906, Unknown=0, NotChecked=0, Total=3660 [2020-07-07 12:44:22,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1587 states. [2020-07-07 12:44:23,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1587 to 1146. [2020-07-07 12:44:23,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1146 states. [2020-07-07 12:44:23,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 1146 states and 1253 transitions. [2020-07-07 12:44:23,147 INFO L78 Accepts]: Start accepts. Automaton has 1146 states and 1253 transitions. Word has length 217 [2020-07-07 12:44:23,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:44:23,148 INFO L479 AbstractCegarLoop]: Abstraction has 1146 states and 1253 transitions. [2020-07-07 12:44:23,148 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-07 12:44:23,148 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 1253 transitions. [2020-07-07 12:44:23,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2020-07-07 12:44:23,151 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:44:23,152 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 12:44:23,152 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-07 12:44:23,152 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:44:23,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:44:23,153 INFO L82 PathProgramCache]: Analyzing trace with hash 1808104870, now seen corresponding path program 1 times [2020-07-07 12:44:23,153 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:44:23,153 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1271273766] [2020-07-07 12:44:23,153 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:44:23,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:23,456 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:44:23,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:23,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:23,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:23,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:23,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:23,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:23,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:23,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:23,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:23,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:23,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:23,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:23,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:23,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:23,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:23,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:23,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:23,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:23,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:23,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:23,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:23,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:23,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:23,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:23,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:23,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:23,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:23,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:23,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:23,885 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 12:44:23,885 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:44:23,885 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1271273766] [2020-07-07 12:44:23,886 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:44:23,886 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-07-07 12:44:23,886 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704951676] [2020-07-07 12:44:23,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-07 12:44:23,887 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:44:23,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-07 12:44:23,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2020-07-07 12:44:23,891 INFO L87 Difference]: Start difference. First operand 1146 states and 1253 transitions. Second operand 19 states. [2020-07-07 12:44:24,567 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 12:44:24,952 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-07 12:44:25,233 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-07-07 12:44:25,546 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:44:25,812 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-07 12:44:26,065 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:44:27,008 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-07 12:44:27,295 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-07-07 12:44:27,547 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:44:28,077 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-07-07 12:44:28,930 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:44:29,408 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-07-07 12:44:29,725 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-07-07 12:44:31,475 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 12:44:31,989 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-07-07 12:44:32,295 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-07 12:44:32,761 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-07 12:44:33,118 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:44:33,824 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:44:34,386 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-07-07 12:44:34,715 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-07-07 12:44:35,330 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-07-07 12:44:35,897 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 196 [2020-07-07 12:44:37,307 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2020-07-07 12:44:37,571 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:44:39,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:44:39,001 INFO L93 Difference]: Finished difference Result 2789 states and 3239 transitions. [2020-07-07 12:44:39,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2020-07-07 12:44:39,002 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 303 [2020-07-07 12:44:39,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:44:39,014 INFO L225 Difference]: With dead ends: 2789 [2020-07-07 12:44:39,014 INFO L226 Difference]: Without dead ends: 1860 [2020-07-07 12:44:39,019 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1909 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=1278, Invalid=5364, Unknown=0, NotChecked=0, Total=6642 [2020-07-07 12:44:39,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1860 states. [2020-07-07 12:44:39,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1860 to 1377. [2020-07-07 12:44:39,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1377 states. [2020-07-07 12:44:39,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 1377 states and 1512 transitions. [2020-07-07 12:44:39,513 INFO L78 Accepts]: Start accepts. Automaton has 1377 states and 1512 transitions. Word has length 303 [2020-07-07 12:44:39,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:44:39,514 INFO L479 AbstractCegarLoop]: Abstraction has 1377 states and 1512 transitions. [2020-07-07 12:44:39,514 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-07 12:44:39,514 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states and 1512 transitions. [2020-07-07 12:44:39,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2020-07-07 12:44:39,524 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:44:39,524 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 12:44:39,525 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-07 12:44:39,525 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:44:39,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:44:39,525 INFO L82 PathProgramCache]: Analyzing trace with hash -473333949, now seen corresponding path program 1 times [2020-07-07 12:44:39,525 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:44:39,526 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1070508062] [2020-07-07 12:44:39,526 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:44:39,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:39,847 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:44:39,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:39,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:39,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:39,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:39,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:39,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:39,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:39,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:39,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:39,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:39,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:39,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:39,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:39,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:39,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:39,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:39,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:40,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:40,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:40,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:40,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:40,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:40,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:40,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:40,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:40,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:40,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:40,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:40,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:40,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:40,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:40,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:40,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:40,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:40,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:40,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:40,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:40,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:40,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:40,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:40,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:40,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:40,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:40,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:40,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:40,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:40,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:40,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:40,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:40,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:40,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:40,466 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 12:44:40,467 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:44:40,467 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1070508062] [2020-07-07 12:44:40,467 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:44:40,467 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-07-07 12:44:40,467 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633138256] [2020-07-07 12:44:40,468 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-07 12:44:40,468 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:44:40,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-07 12:44:40,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-07-07 12:44:40,469 INFO L87 Difference]: Start difference. First operand 1377 states and 1512 transitions. Second operand 17 states. [2020-07-07 12:44:42,460 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:44:42,712 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:44:42,992 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:44:43,244 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:44:43,479 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:44:43,710 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:44:45,929 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:44:46,196 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:44:48,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:44:48,020 INFO L93 Difference]: Finished difference Result 4050 states and 4808 transitions. [2020-07-07 12:44:48,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-07-07 12:44:48,023 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 473 [2020-07-07 12:44:48,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:44:48,038 INFO L225 Difference]: With dead ends: 4050 [2020-07-07 12:44:48,039 INFO L226 Difference]: Without dead ends: 2593 [2020-07-07 12:44:48,044 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 113 SyntacticMatches, 3 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 463 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=486, Invalid=1676, Unknown=0, NotChecked=0, Total=2162 [2020-07-07 12:44:48,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2593 states. [2020-07-07 12:44:48,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2593 to 1775. [2020-07-07 12:44:48,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1775 states. [2020-07-07 12:44:48,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1775 states to 1775 states and 1982 transitions. [2020-07-07 12:44:48,765 INFO L78 Accepts]: Start accepts. Automaton has 1775 states and 1982 transitions. Word has length 473 [2020-07-07 12:44:48,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:44:48,765 INFO L479 AbstractCegarLoop]: Abstraction has 1775 states and 1982 transitions. [2020-07-07 12:44:48,765 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-07 12:44:48,766 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 1982 transitions. [2020-07-07 12:44:48,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2020-07-07 12:44:48,772 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:44:48,772 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 12:44:48,773 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-07 12:44:48,773 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:44:48,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:44:48,773 INFO L82 PathProgramCache]: Analyzing trace with hash 327340526, now seen corresponding path program 1 times [2020-07-07 12:44:48,774 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:44:48,774 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [897084095] [2020-07-07 12:44:48,774 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:44:48,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,117 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:44:49,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,334 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 12:44:49,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:49,665 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 12:44:49,665 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:44:49,666 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [897084095] [2020-07-07 12:44:49,666 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:44:49,666 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-07-07 12:44:49,666 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881661309] [2020-07-07 12:44:49,668 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-07 12:44:49,668 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:44:49,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-07 12:44:49,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2020-07-07 12:44:49,669 INFO L87 Difference]: Start difference. First operand 1775 states and 1982 transitions. Second operand 19 states. [2020-07-07 12:44:50,217 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:44:50,583 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:44:50,846 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:44:51,095 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:44:51,342 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 12:44:51,579 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:44:52,523 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:44:52,769 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:44:53,707 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:44:54,144 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:44:54,455 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:44:54,773 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:44:55,744 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:44:55,991 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:44:56,893 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:44:57,167 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:44:57,425 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:44:58,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:44:58,973 INFO L93 Difference]: Finished difference Result 3740 states and 4388 transitions. [2020-07-07 12:44:58,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-07-07 12:44:58,974 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 487 [2020-07-07 12:44:58,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:44:58,987 INFO L225 Difference]: With dead ends: 3740 [2020-07-07 12:44:58,987 INFO L226 Difference]: Without dead ends: 2218 [2020-07-07 12:44:58,994 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 798 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=665, Invalid=2641, Unknown=0, NotChecked=0, Total=3306 [2020-07-07 12:44:58,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2218 states. [2020-07-07 12:44:59,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2218 to 1703. [2020-07-07 12:44:59,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1703 states. [2020-07-07 12:44:59,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 1883 transitions. [2020-07-07 12:44:59,651 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 1883 transitions. Word has length 487 [2020-07-07 12:44:59,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:44:59,652 INFO L479 AbstractCegarLoop]: Abstraction has 1703 states and 1883 transitions. [2020-07-07 12:44:59,652 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-07 12:44:59,652 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 1883 transitions. [2020-07-07 12:44:59,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2020-07-07 12:44:59,659 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:44:59,660 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 12:44:59,660 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-07-07 12:44:59,660 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:44:59,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:44:59,660 INFO L82 PathProgramCache]: Analyzing trace with hash -463950692, now seen corresponding path program 1 times [2020-07-07 12:44:59,661 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:44:59,661 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [218156829] [2020-07-07 12:44:59,661 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:44:59,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:44:59,987 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:45:00,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:00,576 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 12:45:00,577 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:45:00,577 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [218156829] [2020-07-07 12:45:00,578 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:45:00,578 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-07-07 12:45:00,578 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168754809] [2020-07-07 12:45:00,579 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-07 12:45:00,579 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:45:00,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-07 12:45:00,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2020-07-07 12:45:00,580 INFO L87 Difference]: Start difference. First operand 1703 states and 1883 transitions. Second operand 17 states. [2020-07-07 12:45:01,155 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:45:02,206 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:45:06,798 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:45:07,207 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:45:07,594 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:45:07,857 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:45:08,134 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:45:08,412 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:45:08,737 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:45:09,017 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:45:09,291 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:45:09,598 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:45:09,877 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:45:10,158 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:45:10,675 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 197 [2020-07-07 12:45:10,956 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:45:11,448 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-07-07 12:45:11,741 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:45:12,050 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-07-07 12:45:12,340 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-07-07 12:45:14,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:45:14,184 INFO L93 Difference]: Finished difference Result 5515 states and 6515 transitions. [2020-07-07 12:45:14,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2020-07-07 12:45:14,185 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 484 [2020-07-07 12:45:14,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:45:14,205 INFO L225 Difference]: With dead ends: 5515 [2020-07-07 12:45:14,205 INFO L226 Difference]: Without dead ends: 3940 [2020-07-07 12:45:14,212 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 116 SyntacticMatches, 1 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 993 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=783, Invalid=3123, Unknown=0, NotChecked=0, Total=3906 [2020-07-07 12:45:14,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3940 states. [2020-07-07 12:45:15,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3940 to 3048. [2020-07-07 12:45:15,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3048 states. [2020-07-07 12:45:15,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3048 states to 3048 states and 3339 transitions. [2020-07-07 12:45:15,540 INFO L78 Accepts]: Start accepts. Automaton has 3048 states and 3339 transitions. Word has length 484 [2020-07-07 12:45:15,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:45:15,541 INFO L479 AbstractCegarLoop]: Abstraction has 3048 states and 3339 transitions. [2020-07-07 12:45:15,541 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-07 12:45:15,541 INFO L276 IsEmpty]: Start isEmpty. Operand 3048 states and 3339 transitions. [2020-07-07 12:45:15,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 490 [2020-07-07 12:45:15,550 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:45:15,550 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 12:45:15,551 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-07-07 12:45:15,551 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:45:15,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:45:15,551 INFO L82 PathProgramCache]: Analyzing trace with hash -339543744, now seen corresponding path program 1 times [2020-07-07 12:45:15,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:45:15,551 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [746155349] [2020-07-07 12:45:15,551 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:45:15,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:15,879 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:45:15,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:15,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:15,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:15,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:15,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:15,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:15,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:15,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:16,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:16,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:16,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:16,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:16,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:16,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:16,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:16,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:16,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:16,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:16,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:16,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:16,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:16,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:16,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:16,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:16,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:16,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:16,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:16,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:16,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:16,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:16,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:16,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:16,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:16,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:16,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:16,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:16,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:16,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:16,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:16,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:16,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:16,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:16,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:16,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:16,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:16,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:16,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:16,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:16,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:16,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:16,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:16,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:16,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:16,597 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 12:45:16,597 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:45:16,598 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [746155349] [2020-07-07 12:45:16,598 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:45:16,598 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2020-07-07 12:45:16,598 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545640464] [2020-07-07 12:45:16,599 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-07-07 12:45:16,599 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:45:16,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-07-07 12:45:16,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2020-07-07 12:45:16,600 INFO L87 Difference]: Start difference. First operand 3048 states and 3339 transitions. Second operand 23 states. [2020-07-07 12:45:17,207 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:45:17,639 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:45:17,914 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:45:18,186 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:45:18,461 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 12:45:18,722 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:45:19,738 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:45:24,367 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:45:24,642 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:45:24,936 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:45:25,209 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:45:25,477 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:45:25,744 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:45:26,002 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:45:26,279 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:45:26,549 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:45:26,866 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:45:27,221 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:45:27,499 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:45:28,006 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 12:45:28,530 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-07-07 12:45:29,061 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 12:45:32,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:45:32,185 INFO L93 Difference]: Finished difference Result 6688 states and 7753 transitions. [2020-07-07 12:45:32,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2020-07-07 12:45:32,186 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 489 [2020-07-07 12:45:32,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:45:32,205 INFO L225 Difference]: With dead ends: 6688 [2020-07-07 12:45:32,205 INFO L226 Difference]: Without dead ends: 4012 [2020-07-07 12:45:32,214 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 123 SyntacticMatches, 1 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1819 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=1207, Invalid=5435, Unknown=0, NotChecked=0, Total=6642 [2020-07-07 12:45:32,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4012 states. [2020-07-07 12:45:33,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4012 to 2843. [2020-07-07 12:45:33,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2843 states. [2020-07-07 12:45:33,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2843 states to 2843 states and 3111 transitions. [2020-07-07 12:45:33,169 INFO L78 Accepts]: Start accepts. Automaton has 2843 states and 3111 transitions. Word has length 489 [2020-07-07 12:45:33,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:45:33,170 INFO L479 AbstractCegarLoop]: Abstraction has 2843 states and 3111 transitions. [2020-07-07 12:45:33,170 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-07-07 12:45:33,170 INFO L276 IsEmpty]: Start isEmpty. Operand 2843 states and 3111 transitions. [2020-07-07 12:45:33,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 490 [2020-07-07 12:45:33,179 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:45:33,180 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 12:45:33,180 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-07-07 12:45:33,180 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:45:33,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:45:33,181 INFO L82 PathProgramCache]: Analyzing trace with hash -1337240858, now seen corresponding path program 2 times [2020-07-07 12:45:33,181 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:45:33,181 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1870980179] [2020-07-07 12:45:33,181 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:45:33,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:33,483 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:45:33,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:33,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:33,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:33,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:33,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:33,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:33,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:33,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:33,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:33,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:33,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:33,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:33,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:33,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:33,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:33,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:33,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:33,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:33,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:33,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:33,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:33,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:33,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:33,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:33,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:33,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:33,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:33,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:33,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:33,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:33,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:33,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:33,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:33,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:33,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:33,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:33,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:33,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:33,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:33,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:33,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:33,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:33,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:33,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:33,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:33,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:33,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:33,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:33,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:33,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:33,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:33,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:33,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:34,102 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 12:45:34,102 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:45:34,103 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1870980179] [2020-07-07 12:45:34,103 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:45:34,103 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-07-07 12:45:34,103 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287515858] [2020-07-07 12:45:34,104 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-07 12:45:34,104 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:45:34,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-07 12:45:34,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2020-07-07 12:45:34,104 INFO L87 Difference]: Start difference. First operand 2843 states and 3111 transitions. Second operand 19 states. [2020-07-07 12:45:34,674 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:45:36,836 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:45:37,115 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:45:37,611 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-07 12:45:37,870 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:45:38,338 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-07-07 12:45:38,582 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:45:39,028 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-07 12:45:39,290 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:45:39,555 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:45:39,849 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:45:40,079 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:45:43,029 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:45:43,288 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:45:47,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:45:47,330 INFO L93 Difference]: Finished difference Result 6904 states and 8177 transitions. [2020-07-07 12:45:47,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2020-07-07 12:45:47,331 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 489 [2020-07-07 12:45:47,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:45:47,358 INFO L225 Difference]: With dead ends: 6904 [2020-07-07 12:45:47,358 INFO L226 Difference]: Without dead ends: 5212 [2020-07-07 12:45:47,367 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 140 SyntacticMatches, 5 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2031 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=1162, Invalid=5318, Unknown=0, NotChecked=0, Total=6480 [2020-07-07 12:45:47,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5212 states. [2020-07-07 12:45:48,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5212 to 3390. [2020-07-07 12:45:48,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3390 states. [2020-07-07 12:45:48,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3390 states to 3390 states and 3696 transitions. [2020-07-07 12:45:48,765 INFO L78 Accepts]: Start accepts. Automaton has 3390 states and 3696 transitions. Word has length 489 [2020-07-07 12:45:48,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:45:48,765 INFO L479 AbstractCegarLoop]: Abstraction has 3390 states and 3696 transitions. [2020-07-07 12:45:48,765 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-07 12:45:48,765 INFO L276 IsEmpty]: Start isEmpty. Operand 3390 states and 3696 transitions. [2020-07-07 12:45:48,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 505 [2020-07-07 12:45:48,773 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:45:48,774 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 12:45:48,774 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-07-07 12:45:48,774 INFO L427 AbstractCegarLoop]: === Iteration 16 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:45:48,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:45:48,775 INFO L82 PathProgramCache]: Analyzing trace with hash 896342264, now seen corresponding path program 1 times [2020-07-07 12:45:48,775 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:45:48,775 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [825312126] [2020-07-07 12:45:48,775 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:45:48,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,089 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:45:49,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:45:49,614 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 12:45:49,614 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:45:49,615 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [825312126] [2020-07-07 12:45:49,615 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:45:49,615 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-07-07 12:45:49,615 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987006652] [2020-07-07 12:45:49,616 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-07 12:45:49,616 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:45:49,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-07 12:45:49,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2020-07-07 12:45:49,616 INFO L87 Difference]: Start difference. First operand 3390 states and 3696 transitions. Second operand 19 states. [2020-07-07 12:45:50,170 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:45:51,873 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:45:52,735 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:45:53,018 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:45:53,529 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-07 12:45:53,787 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:45:54,261 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 193 [2020-07-07 12:45:54,513 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:45:54,964 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-07 12:45:55,453 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-07-07 12:45:55,987 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 197 [2020-07-07 12:45:56,457 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-07-07 12:45:56,689 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:45:59,318 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:45:59,575 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:46:00,576 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:46:01,558 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:46:01,825 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:46:02,306 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 12:46:02,547 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:46:03,043 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-07-07 12:46:03,290 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:46:03,751 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 12:46:04,030 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:46:04,348 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-07-07 12:46:04,683 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:46:10,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:46:10,108 INFO L93 Difference]: Finished difference Result 9142 states and 10911 transitions. [2020-07-07 12:46:10,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2020-07-07 12:46:10,108 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 504 [2020-07-07 12:46:10,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:46:10,145 INFO L225 Difference]: With dead ends: 9142 [2020-07-07 12:46:10,145 INFO L226 Difference]: Without dead ends: 7142 [2020-07-07 12:46:10,156 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 171 SyntacticMatches, 6 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5679 ImplicationChecksByTransitivity, 10.6s TimeCoverageRelationStatistics Valid=2467, Invalid=12785, Unknown=0, NotChecked=0, Total=15252 [2020-07-07 12:46:10,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7142 states. [2020-07-07 12:46:12,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7142 to 4153. [2020-07-07 12:46:12,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4153 states. [2020-07-07 12:46:12,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4153 states to 4153 states and 4511 transitions. [2020-07-07 12:46:12,781 INFO L78 Accepts]: Start accepts. Automaton has 4153 states and 4511 transitions. Word has length 504 [2020-07-07 12:46:12,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:46:12,782 INFO L479 AbstractCegarLoop]: Abstraction has 4153 states and 4511 transitions. [2020-07-07 12:46:12,782 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-07 12:46:12,782 INFO L276 IsEmpty]: Start isEmpty. Operand 4153 states and 4511 transitions. [2020-07-07 12:46:12,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 596 [2020-07-07 12:46:12,791 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:46:12,791 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-07 12:46:12,792 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-07-07 12:46:12,792 INFO L427 AbstractCegarLoop]: === Iteration 17 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:46:12,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:46:12,792 INFO L82 PathProgramCache]: Analyzing trace with hash 604620519, now seen corresponding path program 1 times [2020-07-07 12:46:12,793 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:46:12,793 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2020423540] [2020-07-07 12:46:12,793 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:46:12,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,113 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:46:13,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:13,618 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 12:46:13,619 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:46:13,619 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2020423540] [2020-07-07 12:46:13,619 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:46:13,619 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-07-07 12:46:13,619 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587921278] [2020-07-07 12:46:13,620 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-07-07 12:46:13,620 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:46:13,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-07-07 12:46:13,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2020-07-07 12:46:13,621 INFO L87 Difference]: Start difference. First operand 4153 states and 4511 transitions. Second operand 18 states. [2020-07-07 12:46:14,183 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:46:15,017 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:46:16,071 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:46:16,909 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:46:17,195 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:46:17,692 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-07 12:46:18,031 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:46:18,533 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-07-07 12:46:18,801 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:46:19,271 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-07 12:46:25,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:46:25,564 INFO L93 Difference]: Finished difference Result 8573 states and 9936 transitions. [2020-07-07 12:46:25,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2020-07-07 12:46:25,565 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 595 [2020-07-07 12:46:25,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:46:25,602 INFO L225 Difference]: With dead ends: 8573 [2020-07-07 12:46:25,602 INFO L226 Difference]: Without dead ends: 5865 [2020-07-07 12:46:25,617 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 161 SyntacticMatches, 4 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1744 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=1049, Invalid=4207, Unknown=0, NotChecked=0, Total=5256 [2020-07-07 12:46:25,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5865 states. [2020-07-07 12:46:27,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5865 to 3897. [2020-07-07 12:46:27,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3897 states. [2020-07-07 12:46:27,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3897 states to 3897 states and 4192 transitions. [2020-07-07 12:46:27,086 INFO L78 Accepts]: Start accepts. Automaton has 3897 states and 4192 transitions. Word has length 595 [2020-07-07 12:46:27,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:46:27,087 INFO L479 AbstractCegarLoop]: Abstraction has 3897 states and 4192 transitions. [2020-07-07 12:46:27,087 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-07-07 12:46:27,087 INFO L276 IsEmpty]: Start isEmpty. Operand 3897 states and 4192 transitions. [2020-07-07 12:46:27,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 607 [2020-07-07 12:46:27,094 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:46:27,095 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:46:27,095 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-07-07 12:46:27,095 INFO L427 AbstractCegarLoop]: === Iteration 18 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:46:27,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:46:27,096 INFO L82 PathProgramCache]: Analyzing trace with hash -281354309, now seen corresponding path program 2 times [2020-07-07 12:46:27,096 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:46:27,096 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [268222042] [2020-07-07 12:46:27,096 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:46:27,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,435 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:46:27,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:27,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:28,039 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 12:46:28,040 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:46:28,040 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [268222042] [2020-07-07 12:46:28,040 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:46:28,041 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-07-07 12:46:28,041 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512904944] [2020-07-07 12:46:28,042 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-07 12:46:28,042 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:46:28,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-07 12:46:28,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2020-07-07 12:46:28,043 INFO L87 Difference]: Start difference. First operand 3897 states and 4192 transitions. Second operand 15 states. [2020-07-07 12:46:28,540 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:46:29,199 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:46:30,064 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:46:33,346 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:46:37,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:46:37,616 INFO L93 Difference]: Finished difference Result 9336 states and 10830 transitions. [2020-07-07 12:46:37,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2020-07-07 12:46:37,617 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 606 [2020-07-07 12:46:37,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:46:37,637 INFO L225 Difference]: With dead ends: 9336 [2020-07-07 12:46:37,638 INFO L226 Difference]: Without dead ends: 6884 [2020-07-07 12:46:37,646 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 182 SyntacticMatches, 5 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2620 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=1284, Invalid=6026, Unknown=0, NotChecked=0, Total=7310 [2020-07-07 12:46:37,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6884 states. [2020-07-07 12:46:39,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6884 to 4401. [2020-07-07 12:46:39,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4401 states. [2020-07-07 12:46:39,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4401 states to 4401 states and 4731 transitions. [2020-07-07 12:46:39,254 INFO L78 Accepts]: Start accepts. Automaton has 4401 states and 4731 transitions. Word has length 606 [2020-07-07 12:46:39,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:46:39,255 INFO L479 AbstractCegarLoop]: Abstraction has 4401 states and 4731 transitions. [2020-07-07 12:46:39,255 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-07 12:46:39,256 INFO L276 IsEmpty]: Start isEmpty. Operand 4401 states and 4731 transitions. [2020-07-07 12:46:39,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 607 [2020-07-07 12:46:39,269 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:46:39,269 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:46:39,270 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-07-07 12:46:39,270 INFO L427 AbstractCegarLoop]: === Iteration 19 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:46:39,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:46:39,270 INFO L82 PathProgramCache]: Analyzing trace with hash -2069772295, now seen corresponding path program 1 times [2020-07-07 12:46:39,270 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:46:39,271 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [50643375] [2020-07-07 12:46:39,271 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:46:39,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,785 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:46:39,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:39,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:40,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:40,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:40,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:46:40,313 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 12:46:40,313 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:46:40,313 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [50643375] [2020-07-07 12:46:40,313 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:46:40,314 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-07-07 12:46:40,314 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450599041] [2020-07-07 12:46:40,316 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-07 12:46:40,316 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:46:40,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-07 12:46:40,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2020-07-07 12:46:40,316 INFO L87 Difference]: Start difference. First operand 4401 states and 4731 transitions. Second operand 17 states. [2020-07-07 12:46:40,863 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:46:41,615 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:46:42,550 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:46:43,341 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:46:43,609 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:46:43,913 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:46:44,173 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:46:44,451 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:46:44,726 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:46:44,970 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:46:49,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:46:49,718 INFO L93 Difference]: Finished difference Result 8629 states and 9794 transitions. [2020-07-07 12:46:49,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2020-07-07 12:46:49,719 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 606 [2020-07-07 12:46:49,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:46:49,723 INFO L225 Difference]: With dead ends: 8629 [2020-07-07 12:46:49,723 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 12:46:49,742 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 169 SyntacticMatches, 1 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1565 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=994, Invalid=3836, Unknown=0, NotChecked=0, Total=4830 [2020-07-07 12:46:49,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 12:46:49,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 12:46:49,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 12:46:49,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 12:46:49,744 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 606 [2020-07-07 12:46:49,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:46:49,744 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 12:46:49,744 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-07 12:46:49,744 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 12:46:49,745 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 12:46:49,745 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-07-07 12:46:49,747 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 12:46:50,503 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 200 [2020-07-07 12:46:50,758 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 202 [2020-07-07 12:46:51,086 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-07-07 12:46:51,491 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 200 [2020-07-07 12:46:51,992 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 202 [2020-07-07 12:46:52,430 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 202 [2020-07-07 12:46:53,035 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 200 [2020-07-07 12:46:53,208 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 202 [2020-07-07 12:46:53,442 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 200 [2020-07-07 12:46:55,123 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 204 [2020-07-07 12:46:55,337 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 245 [2020-07-07 12:46:55,742 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 241 [2020-07-07 12:46:56,165 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 247 [2020-07-07 12:46:57,157 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:46:57,356 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 204 [2020-07-07 12:46:57,708 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:47:08,942 WARN L193 SmtUtils]: Spent 11.23 s on a formula simplification. DAG size of input: 1490 DAG size of output: 1079 [2020-07-07 12:47:13,576 WARN L193 SmtUtils]: Spent 4.63 s on a formula simplification. DAG size of input: 1072 DAG size of output: 813 [2020-07-07 12:47:14,206 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 246 [2020-07-07 12:47:15,187 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 228 [2020-07-07 12:47:15,384 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 252 [2020-07-07 12:47:15,802 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 248 [2020-07-07 12:47:16,015 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 250 [2020-07-07 12:47:16,302 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 254 [2020-07-07 12:47:17,343 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 226 [2020-07-07 12:47:17,461 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 216 [2020-07-07 12:47:17,708 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 228 [2020-07-07 12:47:18,194 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 226 [2020-07-07 12:47:27,974 WARN L193 SmtUtils]: Spent 8.48 s on a formula simplification. DAG size of input: 1298 DAG size of output: 960 [2020-07-07 12:47:46,138 WARN L193 SmtUtils]: Spent 13.80 s on a formula simplification. DAG size of input: 1557 DAG size of output: 1214 [2020-07-07 12:47:59,483 WARN L193 SmtUtils]: Spent 10.86 s on a formula simplification. DAG size of input: 1490 DAG size of output: 1079 [2020-07-07 12:48:02,890 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:48:03,007 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:48:03,682 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:48:03,817 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:48:03,950 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:48:04,069 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:48:04,188 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:48:04,432 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:48:04,582 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:48:04,727 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:48:04,865 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:48:05,098 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:48:05,218 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:48:06,095 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 218 [2020-07-07 12:48:06,241 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 224 [2020-07-07 12:48:06,557 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 220 [2020-07-07 12:48:06,934 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 224 [2020-07-07 12:48:14,943 WARN L193 SmtUtils]: Spent 7.42 s on a formula simplification. DAG size of input: 1231 DAG size of output: 919 [2020-07-07 12:48:21,584 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:48:21,699 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:48:21,858 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:48:22,010 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:48:22,692 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 204 [2020-07-07 12:48:22,846 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 204 [2020-07-07 12:48:23,187 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:48:23,307 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:48:23,427 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:48:23,545 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:48:23,752 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 204 [2020-07-07 12:48:23,879 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 204 [2020-07-07 12:48:24,090 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 204 [2020-07-07 12:48:24,216 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 204 [2020-07-07 12:48:24,341 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:48:24,458 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:48:25,208 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:48:25,443 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 204 [2020-07-07 12:48:25,599 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:48:25,718 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:48:26,536 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 204 [2020-07-07 12:48:26,663 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 204 [2020-07-07 12:48:27,163 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 245 [2020-07-07 12:48:27,287 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 245 [2020-07-07 12:48:27,410 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 245 [2020-07-07 12:48:27,535 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 204 [2020-07-07 12:48:27,660 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 245 [2020-07-07 12:48:27,815 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 204 [2020-07-07 12:48:28,048 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:48:28,171 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:48:28,919 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 204 [2020-07-07 12:48:29,043 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 204 [2020-07-07 12:48:29,188 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:48:29,308 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:48:29,774 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:48:30,115 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:48:30,234 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:48:30,398 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:48:30,529 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 247 [2020-07-07 12:48:30,672 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 247 [2020-07-07 12:48:30,968 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 204 [2020-07-07 12:48:31,147 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 204 [2020-07-07 12:48:31,316 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 204 [2020-07-07 12:48:31,459 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 204 [2020-07-07 12:48:31,633 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:48:31,749 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:48:32,331 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:48:32,447 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:48:32,685 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 204 [2020-07-07 12:48:32,812 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 204 [2020-07-07 12:48:33,191 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:48:33,307 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:48:37,414 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 204 [2020-07-07 12:48:37,684 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 247 [2020-07-07 12:48:38,133 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 244 [2020-07-07 12:48:38,330 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 204 [2020-07-07 12:48:38,512 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 204 [2020-07-07 12:48:38,926 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 246 [2020-07-07 12:48:39,177 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 249 [2020-07-07 12:48:39,664 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 205 [2020-07-07 12:48:40,086 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 204 [2020-07-07 12:48:40,346 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 247 [2020-07-07 12:48:40,804 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 244 [2020-07-07 12:48:41,003 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 204 [2020-07-07 12:48:41,190 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 204 [2020-07-07 12:48:41,605 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 246 [2020-07-07 12:48:41,861 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 249 [2020-07-07 12:48:42,337 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 205 [2020-07-07 12:48:43,429 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 204 [2020-07-07 12:48:43,598 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 245 [2020-07-07 12:48:44,313 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 247 [2020-07-07 12:48:45,023 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:48:45,223 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 204 [2020-07-07 12:48:45,574 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:48:56,586 WARN L193 SmtUtils]: Spent 10.82 s on a formula simplification. DAG size of input: 1490 DAG size of output: 1079 [2020-07-07 12:49:08,662 WARN L193 SmtUtils]: Spent 10.82 s on a formula simplification. DAG size of input: 1490 DAG size of output: 1079 [2020-07-07 12:49:14,428 WARN L193 SmtUtils]: Spent 4.55 s on a formula simplification. DAG size of input: 1072 DAG size of output: 813 [2020-07-07 12:49:19,215 WARN L193 SmtUtils]: Spent 4.78 s on a formula simplification. DAG size of input: 964 DAG size of output: 719 [2020-07-07 12:49:23,773 WARN L193 SmtUtils]: Spent 4.55 s on a formula simplification. DAG size of input: 1072 DAG size of output: 813 [2020-07-07 12:49:25,178 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 206 [2020-07-07 12:49:26,019 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 206 [2020-07-07 12:49:30,650 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 200 [2020-07-07 12:49:41,114 WARN L193 SmtUtils]: Spent 8.42 s on a formula simplification. DAG size of input: 1298 DAG size of output: 960 [2020-07-07 12:49:49,497 WARN L193 SmtUtils]: Spent 8.38 s on a formula simplification. DAG size of input: 1298 DAG size of output: 960 [2020-07-07 12:49:54,995 WARN L193 SmtUtils]: Spent 4.56 s on a formula simplification. DAG size of input: 1072 DAG size of output: 813 [2020-07-07 12:49:55,114 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 248 [2020-07-07 12:49:55,338 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 251 [2020-07-07 12:49:58,304 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 218 [2020-07-07 12:49:58,569 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 224 [2020-07-07 12:49:58,832 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 220 [2020-07-07 12:49:59,245 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 224 [2020-07-07 12:50:03,398 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 221 [2020-07-07 12:50:03,605 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 249 [2020-07-07 12:50:04,044 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 245 [2020-07-07 12:50:04,277 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 247 [2020-07-07 12:50:04,595 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 250 [2020-07-07 12:50:05,536 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 221 [2020-07-07 12:50:05,778 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 221 [2020-07-07 12:50:06,225 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 221 [2020-07-07 12:50:20,464 WARN L193 SmtUtils]: Spent 10.92 s on a formula simplification. DAG size of input: 1490 DAG size of output: 1079 [2020-07-07 12:50:25,255 WARN L193 SmtUtils]: Spent 4.58 s on a formula simplification. DAG size of input: 1072 DAG size of output: 813 [2020-07-07 12:50:30,075 WARN L193 SmtUtils]: Spent 4.62 s on a formula simplification. DAG size of input: 1072 DAG size of output: 813 [2020-07-07 12:50:42,069 WARN L193 SmtUtils]: Spent 10.96 s on a formula simplification. DAG size of input: 1490 DAG size of output: 1079 [2020-07-07 12:50:53,070 WARN L193 SmtUtils]: Spent 11.00 s on a formula simplification. DAG size of input: 1490 DAG size of output: 1079 [2020-07-07 12:51:04,084 WARN L193 SmtUtils]: Spent 10.99 s on a formula simplification. DAG size of input: 1490 DAG size of output: 1079 [2020-07-07 12:51:04,732 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:51:04,862 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:51:05,720 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:51:05,850 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:51:05,982 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:51:06,147 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:51:06,266 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:51:06,476 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 204 [2020-07-07 12:51:06,603 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 204 [2020-07-07 12:51:06,734 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 204 [2020-07-07 12:51:06,864 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 204 [2020-07-07 12:51:07,017 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:51:07,160 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:51:07,304 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:51:07,440 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:51:07,711 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:51:07,830 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:51:07,970 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 204 [2020-07-07 12:51:08,097 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 204 [2020-07-07 12:51:08,426 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 204 [2020-07-07 12:51:08,614 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 204 [2020-07-07 12:51:12,648 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 44 [2020-07-07 12:51:14,569 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 204 [2020-07-07 12:51:14,748 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 245 [2020-07-07 12:51:15,262 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:51:15,422 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 204 [2020-07-07 12:51:15,909 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 247 [2020-07-07 12:51:16,238 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 202 [2020-07-07 12:51:16,759 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 204 [2020-07-07 12:51:16,886 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 204 [2020-07-07 12:51:17,016 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 204 [2020-07-07 12:51:17,142 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 204 [2020-07-07 12:51:17,349 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 204 [2020-07-07 12:51:17,476 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 204 [2020-07-07 12:51:17,677 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 204 [2020-07-07 12:51:17,835 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 204 [2020-07-07 12:51:29,152 WARN L193 SmtUtils]: Spent 8.41 s on a formula simplification. DAG size of input: 1298 DAG size of output: 960 [2020-07-07 12:51:40,445 WARN L193 SmtUtils]: Spent 10.83 s on a formula simplification. DAG size of input: 1490 DAG size of output: 1079 [2020-07-07 12:51:42,223 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 228 [2020-07-07 12:51:42,418 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 252 [2020-07-07 12:51:43,045 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 250 [2020-07-07 12:51:43,330 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 254 [2020-07-07 12:51:44,368 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 226 [2020-07-07 12:51:44,642 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 228 [2020-07-07 12:51:45,118 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 226 [2020-07-07 12:51:47,393 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 277 DAG size of output: 37 [2020-07-07 12:51:47,800 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-07-07 12:51:48,590 WARN L193 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 1 [2020-07-07 12:51:49,389 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 33 [2020-07-07 12:51:52,362 WARN L193 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 273 DAG size of output: 39 [2020-07-07 12:51:52,538 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 1 [2020-07-07 12:51:53,962 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 405 DAG size of output: 1 [2020-07-07 12:52:22,836 WARN L193 SmtUtils]: Spent 28.86 s on a formula simplification. DAG size of input: 937 DAG size of output: 48 [2020-07-07 12:52:39,551 WARN L193 SmtUtils]: Spent 16.71 s on a formula simplification. DAG size of input: 677 DAG size of output: 49 [2020-07-07 12:52:42,636 WARN L193 SmtUtils]: Spent 3.07 s on a formula simplification. DAG size of input: 279 DAG size of output: 46 [2020-07-07 12:52:43,693 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 166 DAG size of output: 30 [2020-07-07 12:52:44,256 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 28 [2020-07-07 12:52:48,290 WARN L193 SmtUtils]: Spent 4.00 s on a formula simplification. DAG size of input: 454 DAG size of output: 41 [2020-07-07 12:52:50,568 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 255 DAG size of output: 31 [2020-07-07 12:52:50,712 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 23 [2020-07-07 12:52:52,530 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 225 DAG size of output: 40 [2020-07-07 12:52:52,718 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-07 12:53:15,937 WARN L193 SmtUtils]: Spent 23.20 s on a formula simplification. DAG size of input: 825 DAG size of output: 48 [2020-07-07 12:53:16,591 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 39 [2020-07-07 12:53:17,728 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 169 DAG size of output: 34 [2020-07-07 12:53:17,873 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 1 [2020-07-07 12:53:19,308 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 241 DAG size of output: 48 [2020-07-07 12:53:20,109 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 43 [2020-07-07 12:53:20,907 WARN L193 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 1 [2020-07-07 12:53:22,835 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 250 DAG size of output: 77 [2020-07-07 12:53:24,327 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 242 DAG size of output: 21 [2020-07-07 12:54:11,133 WARN L193 SmtUtils]: Spent 46.79 s on a formula simplification. DAG size of input: 1082 DAG size of output: 53 [2020-07-07 12:54:11,268 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 1 [2020-07-07 12:54:13,275 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 296 DAG size of output: 68 [2020-07-07 12:54:15,860 WARN L193 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 269 DAG size of output: 38 [2020-07-07 12:54:17,542 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 169 DAG size of output: 32 [2020-07-07 12:54:17,888 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 19 [2020-07-07 12:54:46,866 WARN L193 SmtUtils]: Spent 28.94 s on a formula simplification. DAG size of input: 937 DAG size of output: 48 [2020-07-07 12:54:48,048 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 282 DAG size of output: 45 [2020-07-07 12:54:48,266 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-07-07 12:54:48,675 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-07-07 12:54:49,671 WARN L193 SmtUtils]: Spent 983.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 33 [2020-07-07 12:54:50,828 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 259 DAG size of output: 42 [2020-07-07 12:54:53,761 WARN L193 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 288 DAG size of output: 46 [2020-07-07 12:54:55,849 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 250 DAG size of output: 29 [2020-07-07 12:54:56,263 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-07-07 12:54:58,111 WARN L193 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 222 DAG size of output: 38 [2020-07-07 12:54:59,898 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 307 DAG size of output: 46 [2020-07-07 12:55:01,936 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 315 DAG size of output: 42 [2020-07-07 12:55:04,175 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 252 DAG size of output: 28 [2020-07-07 12:55:26,166 WARN L193 SmtUtils]: Spent 21.98 s on a formula simplification. DAG size of input: 786 DAG size of output: 44 [2020-07-07 12:55:26,294 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 1 [2020-07-07 12:55:28,028 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 249 DAG size of output: 52 [2020-07-07 12:55:28,168 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 1 [2020-07-07 12:55:31,435 WARN L193 SmtUtils]: Spent 3.26 s on a formula simplification. DAG size of input: 275 DAG size of output: 36 [2020-07-07 12:55:32,446 WARN L193 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 33 [2020-07-07 12:55:35,518 WARN L193 SmtUtils]: Spent 3.06 s on a formula simplification. DAG size of input: 272 DAG size of output: 39 [2020-07-07 12:55:38,575 WARN L193 SmtUtils]: Spent 3.05 s on a formula simplification. DAG size of input: 272 DAG size of output: 39 [2020-07-07 12:55:40,063 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 241 DAG size of output: 48 [2020-07-07 12:55:40,267 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 31 [2020-07-07 12:55:40,464 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 29 [2020-07-07 12:55:40,672 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 29 [2020-07-07 12:55:43,856 WARN L193 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 387 DAG size of output: 44 [2020-07-07 12:55:47,142 WARN L193 SmtUtils]: Spent 3.26 s on a formula simplification. DAG size of input: 401 DAG size of output: 49 [2020-07-07 12:55:48,530 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 279 DAG size of output: 57 [2020-07-07 12:55:50,504 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 296 DAG size of output: 69 [2020-07-07 12:55:52,242 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 247 DAG size of output: 1 [2020-07-07 12:55:54,240 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 250 DAG size of output: 42 [2020-07-07 12:55:55,304 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 267 DAG size of output: 38 [2020-07-07 12:55:56,951 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 244 DAG size of output: 30 [2020-07-07 12:55:58,929 WARN L193 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 250 DAG size of output: 42 [2020-07-07 12:56:03,459 WARN L193 SmtUtils]: Spent 4.50 s on a formula simplification. DAG size of input: 393 DAG size of output: 44 [2020-07-07 12:56:07,988 WARN L193 SmtUtils]: Spent 4.51 s on a formula simplification. DAG size of input: 393 DAG size of output: 44 [2020-07-07 12:56:08,129 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 1 [2020-07-07 12:56:08,321 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-07 12:56:08,463 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 1 [2020-07-07 12:56:09,931 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 405 DAG size of output: 1 [2020-07-07 12:56:10,955 WARN L193 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 39 [2020-07-07 12:56:40,942 WARN L193 SmtUtils]: Spent 29.96 s on a formula simplification. DAG size of input: 937 DAG size of output: 48 [2020-07-07 12:56:43,123 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 248 DAG size of output: 26 [2020-07-07 12:56:44,843 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 257 DAG size of output: 41