/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product50.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-24 00:15:37,659 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 00:15:37,661 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 00:15:37,707 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 00:15:37,707 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 00:15:37,711 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 00:15:37,715 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 00:15:37,722 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 00:15:37,734 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 00:15:37,735 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 00:15:37,739 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 00:15:37,741 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 00:15:37,741 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 00:15:37,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 00:15:37,749 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 00:15:37,751 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 00:15:37,752 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 00:15:37,755 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 00:15:37,762 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 00:15:37,766 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 00:15:37,768 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 00:15:37,771 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 00:15:37,772 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 00:15:37,775 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 00:15:37,785 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 00:15:37,785 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 00:15:37,785 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 00:15:37,787 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 00:15:37,788 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 00:15:37,789 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 00:15:37,789 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 00:15:37,790 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 00:15:37,792 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 00:15:37,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 00:15:37,794 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 00:15:37,794 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 00:15:37,794 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 00:15:37,795 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 00:15:37,795 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 00:15:37,796 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 00:15:37,796 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 00:15:37,797 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-24 00:15:37,818 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 00:15:37,818 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 00:15:37,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 00:15:37,823 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 00:15:37,823 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 00:15:37,823 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 00:15:37,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 00:15:37,823 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 00:15:37,824 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 00:15:37,824 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 00:15:37,825 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 00:15:37,825 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 00:15:37,825 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 00:15:37,826 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 00:15:37,826 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 00:15:37,826 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-24 00:15:37,826 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 00:15:37,827 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 00:15:37,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 00:15:37,827 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 00:15:37,827 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-24 00:15:37,827 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 00:15:37,828 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-10-24 00:15:38,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 00:15:38,228 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 00:15:38,231 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 00:15:38,232 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 00:15:38,233 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 00:15:38,234 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product50.cil.c [2020-10-24 00:15:38,307 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d8c38a28/b19832dddf56449d9f4c2b8eb872ed71/FLAG75f5da4dd [2020-10-24 00:15:38,985 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 00:15:38,986 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product50.cil.c [2020-10-24 00:15:39,006 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d8c38a28/b19832dddf56449d9f4c2b8eb872ed71/FLAG75f5da4dd [2020-10-24 00:15:39,314 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d8c38a28/b19832dddf56449d9f4c2b8eb872ed71 [2020-10-24 00:15:39,317 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 00:15:39,330 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-24 00:15:39,335 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 00:15:39,335 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 00:15:39,339 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 00:15:39,340 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:15:39" (1/1) ... [2020-10-24 00:15:39,345 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37159f5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:15:39, skipping insertion in model container [2020-10-24 00:15:39,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:15:39" (1/1) ... [2020-10-24 00:15:39,354 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 00:15:39,426 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 00:15:39,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 00:15:39,763 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 00:15:39,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 00:15:39,933 INFO L208 MainTranslator]: Completed translation [2020-10-24 00:15:39,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:15:39 WrapperNode [2020-10-24 00:15:39,934 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 00:15:39,935 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 00:15:39,935 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 00:15:39,935 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 00:15:39,948 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:15:39" (1/1) ... [2020-10-24 00:15:39,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:15:39" (1/1) ... [2020-10-24 00:15:39,967 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:15:39" (1/1) ... [2020-10-24 00:15:39,968 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:15:39" (1/1) ... [2020-10-24 00:15:39,997 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:15:39" (1/1) ... [2020-10-24 00:15:40,006 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:15:39" (1/1) ... [2020-10-24 00:15:40,012 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:15:39" (1/1) ... [2020-10-24 00:15:40,020 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 00:15:40,021 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 00:15:40,021 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 00:15:40,021 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 00:15:40,022 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:15:39" (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 [2020-10-24 00:15:40,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-24 00:15:40,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 00:15:40,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-24 00:15:40,105 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-24 00:15:40,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-24 00:15:40,105 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-24 00:15:40,105 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-24 00:15:40,105 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-24 00:15:40,105 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-24 00:15:40,106 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-24 00:15:40,106 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-24 00:15:40,106 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-24 00:15:40,106 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-24 00:15:40,106 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-24 00:15:40,106 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-24 00:15:40,107 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-24 00:15:40,107 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-24 00:15:40,107 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-24 00:15:40,107 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-24 00:15:40,107 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-24 00:15:40,107 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-24 00:15:40,108 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-24 00:15:40,108 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-24 00:15:40,108 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-24 00:15:40,108 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-24 00:15:40,108 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-24 00:15:40,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-24 00:15:40,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-24 00:15:40,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-24 00:15:40,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-24 00:15:40,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-24 00:15:40,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-24 00:15:40,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-10-24 00:15:40,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-10-24 00:15:40,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-10-24 00:15:40,110 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-24 00:15:40,110 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-24 00:15:40,110 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-24 00:15:40,110 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-24 00:15:40,110 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-24 00:15:40,110 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-24 00:15:40,111 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-24 00:15:40,111 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-24 00:15:40,111 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-24 00:15:40,111 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-24 00:15:40,111 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-24 00:15:40,111 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-24 00:15:40,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 00:15:40,114 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-24 00:15:40,114 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-24 00:15:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-24 00:15:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-24 00:15:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-24 00:15:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-24 00:15:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-24 00:15:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-24 00:15:40,116 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-24 00:15:40,116 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-24 00:15:40,120 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-24 00:15:40,120 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-24 00:15:40,120 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-24 00:15:40,121 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-24 00:15:40,121 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-10-24 00:15:40,121 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-10-24 00:15:40,121 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-24 00:15:40,121 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-24 00:15:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-24 00:15:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-24 00:15:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-24 00:15:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-24 00:15:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-24 00:15:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-24 00:15:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-24 00:15:40,123 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-24 00:15:40,123 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-24 00:15:40,123 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-24 00:15:40,123 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-24 00:15:40,123 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-24 00:15:40,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-24 00:15:40,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-24 00:15:40,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 00:15:40,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-24 00:15:40,125 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-24 00:15:40,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 00:15:40,126 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-24 00:15:40,126 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-24 00:15:40,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 00:15:40,126 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-24 00:15:40,126 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-24 00:15:40,127 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-24 00:15:40,127 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-10-24 00:15:40,128 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-24 00:15:40,128 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-24 00:15:40,128 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-24 00:15:40,128 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-24 00:15:40,128 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-24 00:15:40,128 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-24 00:15:40,128 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-24 00:15:40,129 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-24 00:15:40,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-24 00:15:40,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 00:15:40,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 00:15:41,429 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 00:15:41,429 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-24 00:15:41,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:15:41 BoogieIcfgContainer [2020-10-24 00:15:41,432 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 00:15:41,434 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 00:15:41,434 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 00:15:41,438 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 00:15:41,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 12:15:39" (1/3) ... [2020-10-24 00:15:41,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@663cd3bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:15:41, skipping insertion in model container [2020-10-24 00:15:41,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:15:39" (2/3) ... [2020-10-24 00:15:41,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@663cd3bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:15:41, skipping insertion in model container [2020-10-24 00:15:41,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:15:41" (3/3) ... [2020-10-24 00:15:41,441 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product50.cil.c [2020-10-24 00:15:41,451 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-24 00:15:41,457 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-24 00:15:41,469 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-24 00:15:41,493 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 00:15:41,493 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 00:15:41,494 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-24 00:15:41,494 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 00:15:41,494 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 00:15:41,494 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 00:15:41,494 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 00:15:41,494 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 00:15:41,518 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states. [2020-10-24 00:15:41,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-24 00:15:41,538 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:15:41,539 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] [2020-10-24 00:15:41,540 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:15:41,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:15:41,546 INFO L82 PathProgramCache]: Analyzing trace with hash 186130233, now seen corresponding path program 1 times [2020-10-24 00:15:41,559 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:15:41,559 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1581073840] [2020-10-24 00:15:41,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:15:41,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,278 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:15:42,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:42,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:15:42,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:15:42,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:15:42,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:15:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:15:42,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-24 00:15:42,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:42,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-24 00:15:42,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-24 00:15:42,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,477 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:15:42,477 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1581073840] [2020-10-24 00:15:42,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:15:42,480 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-24 00:15:42,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606603925] [2020-10-24 00:15:42,486 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-24 00:15:42,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:15:42,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-24 00:15:42,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-24 00:15:42,502 INFO L87 Difference]: Start difference. First operand 338 states. Second operand 4 states. [2020-10-24 00:15:43,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:15:43,975 INFO L93 Difference]: Finished difference Result 527 states and 616 transitions. [2020-10-24 00:15:43,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-24 00:15:43,977 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 166 [2020-10-24 00:15:43,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:15:43,996 INFO L225 Difference]: With dead ends: 527 [2020-10-24 00:15:43,996 INFO L226 Difference]: Without dead ends: 330 [2020-10-24 00:15:44,006 INFO L677 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 [2020-10-24 00:15:44,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2020-10-24 00:15:44,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 284. [2020-10-24 00:15:44,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2020-10-24 00:15:44,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 308 transitions. [2020-10-24 00:15:44,261 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 308 transitions. Word has length 166 [2020-10-24 00:15:44,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:15:44,263 INFO L481 AbstractCegarLoop]: Abstraction has 284 states and 308 transitions. [2020-10-24 00:15:44,264 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-24 00:15:44,264 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 308 transitions. [2020-10-24 00:15:44,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-10-24 00:15:44,280 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:15:44,280 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] [2020-10-24 00:15:44,281 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 00:15:44,281 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:15:44,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:15:44,282 INFO L82 PathProgramCache]: Analyzing trace with hash -773999638, now seen corresponding path program 1 times [2020-10-24 00:15:44,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:15:44,282 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2115426538] [2020-10-24 00:15:44,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:15:44,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,840 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:15:44,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:44,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:15:44,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:15:44,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:15:44,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:15:44,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:15:44,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:15:44,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:44,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:15:44,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-24 00:15:44,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,980 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:15:44,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2115426538] [2020-10-24 00:15:44,981 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:15:44,981 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-24 00:15:44,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675582992] [2020-10-24 00:15:44,983 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-24 00:15:44,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:15:44,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-24 00:15:44,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-24 00:15:44,985 INFO L87 Difference]: Start difference. First operand 284 states and 308 transitions. Second operand 5 states. [2020-10-24 00:15:45,860 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:15:47,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:15:47,218 INFO L93 Difference]: Finished difference Result 449 states and 504 transitions. [2020-10-24 00:15:47,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-24 00:15:47,221 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167 [2020-10-24 00:15:47,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:15:47,226 INFO L225 Difference]: With dead ends: 449 [2020-10-24 00:15:47,227 INFO L226 Difference]: Without dead ends: 319 [2020-10-24 00:15:47,229 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-24 00:15:47,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2020-10-24 00:15:47,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 274. [2020-10-24 00:15:47,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2020-10-24 00:15:47,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 295 transitions. [2020-10-24 00:15:47,351 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 295 transitions. Word has length 167 [2020-10-24 00:15:47,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:15:47,352 INFO L481 AbstractCegarLoop]: Abstraction has 274 states and 295 transitions. [2020-10-24 00:15:47,352 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-24 00:15:47,352 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 295 transitions. [2020-10-24 00:15:47,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-10-24 00:15:47,354 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:15:47,355 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] [2020-10-24 00:15:47,355 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 00:15:47,355 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:15:47,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:15:47,356 INFO L82 PathProgramCache]: Analyzing trace with hash -1323865920, now seen corresponding path program 1 times [2020-10-24 00:15:47,356 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:15:47,356 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1039065361] [2020-10-24 00:15:47,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:15:47,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:47,912 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:15:47,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:47,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:47,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:15:47,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:47,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:15:47,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:47,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:15:47,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:48,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:15:48,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:48,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:15:48,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:48,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:15:48,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:48,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:15:48,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:48,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:48,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:48,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-24 00:15:48,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:48,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-24 00:15:48,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:48,178 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:15:48,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1039065361] [2020-10-24 00:15:48,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:15:48,179 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-24 00:15:48,179 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081367880] [2020-10-24 00:15:48,180 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-24 00:15:48,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:15:48,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-24 00:15:48,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-24 00:15:48,181 INFO L87 Difference]: Start difference. First operand 274 states and 295 transitions. Second operand 11 states. [2020-10-24 00:15:48,910 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:15:49,414 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:15:49,849 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:15:50,253 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:15:50,655 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:15:51,087 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:15:53,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:15:53,242 INFO L93 Difference]: Finished difference Result 496 states and 569 transitions. [2020-10-24 00:15:53,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-24 00:15:53,242 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 180 [2020-10-24 00:15:53,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:15:53,249 INFO L225 Difference]: With dead ends: 496 [2020-10-24 00:15:53,249 INFO L226 Difference]: Without dead ends: 342 [2020-10-24 00:15:53,253 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2020-10-24 00:15:53,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-10-24 00:15:53,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 274. [2020-10-24 00:15:53,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2020-10-24 00:15:53,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 294 transitions. [2020-10-24 00:15:53,366 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 294 transitions. Word has length 180 [2020-10-24 00:15:53,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:15:53,367 INFO L481 AbstractCegarLoop]: Abstraction has 274 states and 294 transitions. [2020-10-24 00:15:53,367 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-24 00:15:53,367 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 294 transitions. [2020-10-24 00:15:53,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-10-24 00:15:53,370 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:15:53,370 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] [2020-10-24 00:15:53,371 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-24 00:15:53,371 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:15:53,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:15:53,372 INFO L82 PathProgramCache]: Analyzing trace with hash -399947828, now seen corresponding path program 1 times [2020-10-24 00:15:53,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:15:53,372 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [418096107] [2020-10-24 00:15:53,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:15:53,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:53,993 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:15:53,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:54,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:54,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:15:54,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:54,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:15:54,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:54,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:15:54,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:54,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:15:54,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:54,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:15:54,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:54,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:15:54,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:54,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:15:54,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:54,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:54,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:54,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-24 00:15:54,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:54,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:54,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:54,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:54,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:54,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-24 00:15:54,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:54,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-24 00:15:54,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:54,284 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:15:54,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [418096107] [2020-10-24 00:15:54,285 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:15:54,285 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-24 00:15:54,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234146808] [2020-10-24 00:15:54,286 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 00:15:54,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:15:54,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 00:15:54,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-24 00:15:54,287 INFO L87 Difference]: Start difference. First operand 274 states and 294 transitions. Second operand 8 states. [2020-10-24 00:15:54,944 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:15:57,396 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:15:58,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:15:58,201 INFO L93 Difference]: Finished difference Result 687 states and 816 transitions. [2020-10-24 00:15:58,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-24 00:15:58,202 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 193 [2020-10-24 00:15:58,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:15:58,209 INFO L225 Difference]: With dead ends: 687 [2020-10-24 00:15:58,211 INFO L226 Difference]: Without dead ends: 533 [2020-10-24 00:15:58,213 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=157, Invalid=443, Unknown=0, NotChecked=0, Total=600 [2020-10-24 00:15:58,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2020-10-24 00:15:58,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 393. [2020-10-24 00:15:58,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2020-10-24 00:15:58,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 425 transitions. [2020-10-24 00:15:58,417 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 425 transitions. Word has length 193 [2020-10-24 00:15:58,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:15:58,419 INFO L481 AbstractCegarLoop]: Abstraction has 393 states and 425 transitions. [2020-10-24 00:15:58,419 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 00:15:58,419 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 425 transitions. [2020-10-24 00:15:58,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-24 00:15:58,422 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:15:58,423 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] [2020-10-24 00:15:58,423 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-24 00:15:58,423 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:15:58,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:15:58,424 INFO L82 PathProgramCache]: Analyzing trace with hash 2017650149, now seen corresponding path program 1 times [2020-10-24 00:15:58,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:15:58,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [917347639] [2020-10-24 00:15:58,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:15:58,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:58,892 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:15:58,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:58,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:58,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:15:58,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:58,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:15:58,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:58,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:15:58,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:58,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:15:58,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:58,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:15:58,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:59,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:15:59,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:59,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:15:59,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:59,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:59,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:59,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-24 00:15:59,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:59,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:59,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:59,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:59,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:59,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:15:59,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:59,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:15:59,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:59,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-24 00:15:59,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:59,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-10-24 00:15:59,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:59,193 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-24 00:15:59,194 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [917347639] [2020-10-24 00:15:59,194 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:15:59,194 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-24 00:15:59,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353448349] [2020-10-24 00:15:59,195 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-24 00:15:59,195 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:15:59,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-24 00:15:59,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-24 00:15:59,196 INFO L87 Difference]: Start difference. First operand 393 states and 425 transitions. Second operand 11 states. [2020-10-24 00:15:59,918 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:16:01,169 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:16:01,581 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:16:02,768 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:16:03,263 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:16:03,767 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:16:04,594 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:16:05,007 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:16:05,404 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:16:06,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:16:06,291 INFO L93 Difference]: Finished difference Result 803 states and 941 transitions. [2020-10-24 00:16:06,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-24 00:16:06,291 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 217 [2020-10-24 00:16:06,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:16:06,296 INFO L225 Difference]: With dead ends: 803 [2020-10-24 00:16:06,296 INFO L226 Difference]: Without dead ends: 530 [2020-10-24 00:16:06,298 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=261, Invalid=669, Unknown=0, NotChecked=0, Total=930 [2020-10-24 00:16:06,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2020-10-24 00:16:06,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 392. [2020-10-24 00:16:06,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 392 states. [2020-10-24 00:16:06,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 422 transitions. [2020-10-24 00:16:06,447 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 422 transitions. Word has length 217 [2020-10-24 00:16:06,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:16:06,447 INFO L481 AbstractCegarLoop]: Abstraction has 392 states and 422 transitions. [2020-10-24 00:16:06,447 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-24 00:16:06,448 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 422 transitions. [2020-10-24 00:16:06,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-24 00:16:06,451 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:16:06,451 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:16:06,451 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-24 00:16:06,451 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:16:06,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:16:06,452 INFO L82 PathProgramCache]: Analyzing trace with hash -896123223, now seen corresponding path program 1 times [2020-10-24 00:16:06,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:16:06,452 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [386454075] [2020-10-24 00:16:06,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:16:06,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:06,836 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:16:06,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:06,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:06,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:16:06,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:06,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:16:06,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:06,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:16:06,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:06,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:16:06,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:06,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:16:06,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:06,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:16:06,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:06,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:16:06,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:06,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:06,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:06,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-24 00:16:06,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:06,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:06,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:06,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:06,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:07,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:16:07,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:07,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:16:07,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:07,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-24 00:16:07,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:07,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-24 00:16:07,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:07,112 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:16:07,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [386454075] [2020-10-24 00:16:07,113 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:16:07,114 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-24 00:16:07,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666432771] [2020-10-24 00:16:07,114 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-24 00:16:07,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:16:07,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-24 00:16:07,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-24 00:16:07,117 INFO L87 Difference]: Start difference. First operand 392 states and 422 transitions. Second operand 11 states. [2020-10-24 00:16:08,918 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:16:09,344 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:16:09,794 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-24 00:16:10,211 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:16:10,626 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:16:11,032 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:16:12,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:16:12,584 INFO L93 Difference]: Finished difference Result 804 states and 937 transitions. [2020-10-24 00:16:12,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-24 00:16:12,585 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 218 [2020-10-24 00:16:12,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:16:12,589 INFO L225 Difference]: With dead ends: 804 [2020-10-24 00:16:12,589 INFO L226 Difference]: Without dead ends: 532 [2020-10-24 00:16:12,590 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-10-24 00:16:12,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2020-10-24 00:16:12,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 400. [2020-10-24 00:16:12,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 400 states. [2020-10-24 00:16:12,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 430 transitions. [2020-10-24 00:16:12,773 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 430 transitions. Word has length 218 [2020-10-24 00:16:12,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:16:12,774 INFO L481 AbstractCegarLoop]: Abstraction has 400 states and 430 transitions. [2020-10-24 00:16:12,774 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-24 00:16:12,774 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 430 transitions. [2020-10-24 00:16:12,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-24 00:16:12,777 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:16:12,778 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:16:12,778 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-24 00:16:12,778 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:16:12,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:16:12,779 INFO L82 PathProgramCache]: Analyzing trace with hash -482491831, now seen corresponding path program 1 times [2020-10-24 00:16:12,779 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:16:12,779 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [390726987] [2020-10-24 00:16:12,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:16:12,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,179 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:16:13,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:13,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:16:13,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:16:13,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:16:13,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:16:13,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:16:13,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:16:13,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:16:13,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:13,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-24 00:16:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:13,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:13,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:16:13,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:16:13,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-24 00:16:13,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-24 00:16:13,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,482 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:16:13,486 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [390726987] [2020-10-24 00:16:13,487 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:16:13,487 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-24 00:16:13,487 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929729992] [2020-10-24 00:16:13,488 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-24 00:16:13,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:16:13,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-24 00:16:13,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-10-24 00:16:13,489 INFO L87 Difference]: Start difference. First operand 400 states and 430 transitions. Second operand 14 states. [2020-10-24 00:16:14,325 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:16:14,753 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:16:15,167 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:16:15,577 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:16:15,979 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:16:17,339 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:16:17,752 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:16:18,182 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:16:18,616 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:16:19,027 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:16:20,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:16:20,881 INFO L93 Difference]: Finished difference Result 823 states and 968 transitions. [2020-10-24 00:16:20,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-24 00:16:20,881 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 218 [2020-10-24 00:16:20,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:16:20,885 INFO L225 Difference]: With dead ends: 823 [2020-10-24 00:16:20,886 INFO L226 Difference]: Without dead ends: 543 [2020-10-24 00:16:20,887 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-10-24 00:16:20,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2020-10-24 00:16:21,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 406. [2020-10-24 00:16:21,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 406 states. [2020-10-24 00:16:21,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 436 transitions. [2020-10-24 00:16:21,051 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 436 transitions. Word has length 218 [2020-10-24 00:16:21,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:16:21,051 INFO L481 AbstractCegarLoop]: Abstraction has 406 states and 436 transitions. [2020-10-24 00:16:21,051 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-24 00:16:21,051 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 436 transitions. [2020-10-24 00:16:21,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-24 00:16:21,054 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:16:21,055 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:16:21,055 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-24 00:16:21,055 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:16:21,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:16:21,056 INFO L82 PathProgramCache]: Analyzing trace with hash -552009940, now seen corresponding path program 1 times [2020-10-24 00:16:21,056 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:16:21,056 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1699446832] [2020-10-24 00:16:21,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:16:21,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:21,490 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:16:21,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:21,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:21,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:16:21,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:21,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:16:21,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:21,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:16:21,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:21,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:16:21,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:21,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:16:21,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:21,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:16:21,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:21,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:16:21,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:21,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:21,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:21,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-24 00:16:21,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:21,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:21,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:21,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:21,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:21,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:16:21,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:21,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:16:21,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:21,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-24 00:16:21,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:21,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-24 00:16:21,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:21,712 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:16:21,713 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1699446832] [2020-10-24 00:16:21,713 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:16:21,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-24 00:16:21,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229014654] [2020-10-24 00:16:21,714 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 00:16:21,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:16:21,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 00:16:21,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-24 00:16:21,715 INFO L87 Difference]: Start difference. First operand 406 states and 436 transitions. Second operand 8 states. [2020-10-24 00:16:22,391 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:16:23,277 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:16:26,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:16:26,465 INFO L93 Difference]: Finished difference Result 1155 states and 1392 transitions. [2020-10-24 00:16:26,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-24 00:16:26,466 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 218 [2020-10-24 00:16:26,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:16:26,472 INFO L225 Difference]: With dead ends: 1155 [2020-10-24 00:16:26,473 INFO L226 Difference]: Without dead ends: 869 [2020-10-24 00:16:26,475 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 44 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=155, Invalid=445, Unknown=0, NotChecked=0, Total=600 [2020-10-24 00:16:26,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 869 states. [2020-10-24 00:16:26,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 869 to 661. [2020-10-24 00:16:26,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 661 states. [2020-10-24 00:16:26,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 728 transitions. [2020-10-24 00:16:26,737 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 728 transitions. Word has length 218 [2020-10-24 00:16:26,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:16:26,738 INFO L481 AbstractCegarLoop]: Abstraction has 661 states and 728 transitions. [2020-10-24 00:16:26,738 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 00:16:26,738 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 728 transitions. [2020-10-24 00:16:26,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-10-24 00:16:26,742 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:16:26,742 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:16:26,742 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-24 00:16:26,743 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:16:26,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:16:26,743 INFO L82 PathProgramCache]: Analyzing trace with hash -188110234, now seen corresponding path program 1 times [2020-10-24 00:16:26,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:16:26,744 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1547803655] [2020-10-24 00:16:26,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:16:26,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:27,241 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:16:27,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:27,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:27,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:16:27,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:27,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:16:27,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:27,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:16:27,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:27,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:16:27,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:27,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:16:27,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:27,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:16:27,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:27,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:16:27,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:27,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-24 00:16:27,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:27,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:27,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:27,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-24 00:16:27,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:27,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:27,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:27,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:27,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:27,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:16:27,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:27,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:16:27,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:27,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-24 00:16:27,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:27,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-24 00:16:27,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:27,569 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:16:27,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1547803655] [2020-10-24 00:16:27,570 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:16:27,570 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-24 00:16:27,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603219731] [2020-10-24 00:16:27,571 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-24 00:16:27,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:16:27,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-24 00:16:27,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-10-24 00:16:27,572 INFO L87 Difference]: Start difference. First operand 661 states and 728 transitions. Second operand 15 states. [2020-10-24 00:16:28,715 WARN L193 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2020-10-24 00:16:29,841 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:16:32,284 WARN L193 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2020-10-24 00:16:33,104 WARN L193 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-10-24 00:16:33,584 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:16:34,010 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:16:34,830 WARN L193 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2020-10-24 00:16:35,255 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:16:35,717 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:16:36,166 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:16:38,967 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:16:39,362 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:16:39,793 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:16:40,765 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2020-10-24 00:16:43,000 WARN L193 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2020-10-24 00:16:43,880 WARN L193 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2020-10-24 00:16:44,702 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2020-10-24 00:16:45,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:16:45,556 INFO L93 Difference]: Finished difference Result 2047 states and 2460 transitions. [2020-10-24 00:16:45,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2020-10-24 00:16:45,557 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 223 [2020-10-24 00:16:45,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:16:45,567 INFO L225 Difference]: With dead ends: 2047 [2020-10-24 00:16:45,567 INFO L226 Difference]: Without dead ends: 1613 [2020-10-24 00:16:45,571 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1179 ImplicationChecksByTransitivity, 11.1s TimeCoverageRelationStatistics Valid=798, Invalid=3108, Unknown=0, NotChecked=0, Total=3906 [2020-10-24 00:16:45,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1613 states. [2020-10-24 00:16:46,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1613 to 1170. [2020-10-24 00:16:46,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1170 states. [2020-10-24 00:16:46,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 1170 states and 1280 transitions. [2020-10-24 00:16:46,114 INFO L78 Accepts]: Start accepts. Automaton has 1170 states and 1280 transitions. Word has length 223 [2020-10-24 00:16:46,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:16:46,114 INFO L481 AbstractCegarLoop]: Abstraction has 1170 states and 1280 transitions. [2020-10-24 00:16:46,114 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-24 00:16:46,115 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 1280 transitions. [2020-10-24 00:16:46,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2020-10-24 00:16:46,120 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:16:46,121 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:16:46,121 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-24 00:16:46,122 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:16:46,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:16:46,122 INFO L82 PathProgramCache]: Analyzing trace with hash -1014750124, now seen corresponding path program 1 times [2020-10-24 00:16:46,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:16:46,123 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1125696981] [2020-10-24 00:16:46,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:16:46,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:46,585 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:16:46,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:46,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:46,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:16:46,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:46,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:16:46,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:46,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:16:46,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:46,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:16:46,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:46,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:16:46,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:46,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:16:46,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:46,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:16:46,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:46,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:16:46,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:46,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:46,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:46,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:46,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:46,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:16:46,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:46,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:46,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:46,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:46,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:46,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:16:46,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:46,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:16:46,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:46,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-24 00:16:46,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:46,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:46,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:46,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-24 00:16:46,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:46,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-10-24 00:16:46,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:46,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:46,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:47,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-10-24 00:16:47,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:47,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2020-10-24 00:16:47,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:47,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:47,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:47,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:16:47,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:47,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:16:47,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:47,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:47,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:47,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2020-10-24 00:16:47,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:47,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2020-10-24 00:16:47,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:47,173 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 34 proven. 9 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-24 00:16:47,174 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1125696981] [2020-10-24 00:16:47,174 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:16:47,174 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-24 00:16:47,174 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299516114] [2020-10-24 00:16:47,175 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-24 00:16:47,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:16:47,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-24 00:16:47,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2020-10-24 00:16:47,179 INFO L87 Difference]: Start difference. First operand 1170 states and 1280 transitions. Second operand 19 states. [2020-10-24 00:16:48,339 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:16:48,763 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:16:49,219 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:16:49,680 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:16:50,089 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:16:51,464 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-24 00:16:51,932 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-24 00:16:52,362 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:16:53,012 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:16:53,535 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-10-24 00:16:54,738 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:16:55,478 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-24 00:16:55,986 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-10-24 00:16:58,488 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:16:59,334 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-10-24 00:16:59,788 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-24 00:17:00,609 WARN L193 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-10-24 00:17:01,179 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:17:02,293 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:17:03,133 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-24 00:17:03,638 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-24 00:17:04,657 WARN L193 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 212 [2020-10-24 00:17:05,557 WARN L193 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 214 [2020-10-24 00:17:07,607 WARN L193 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 213 [2020-10-24 00:17:08,053 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:17:10,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:17:10,028 INFO L93 Difference]: Finished difference Result 2832 states and 3288 transitions. [2020-10-24 00:17:10,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2020-10-24 00:17:10,029 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 314 [2020-10-24 00:17:10,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:17:10,042 INFO L225 Difference]: With dead ends: 2832 [2020-10-24 00:17:10,042 INFO L226 Difference]: Without dead ends: 1884 [2020-10-24 00:17:10,048 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1974 ImplicationChecksByTransitivity, 14.9s TimeCoverageRelationStatistics Valid=1205, Invalid=5601, Unknown=0, NotChecked=0, Total=6806 [2020-10-24 00:17:10,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1884 states. [2020-10-24 00:17:10,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1884 to 1401. [2020-10-24 00:17:10,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1401 states. [2020-10-24 00:17:10,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1401 states to 1401 states and 1539 transitions. [2020-10-24 00:17:10,916 INFO L78 Accepts]: Start accepts. Automaton has 1401 states and 1539 transitions. Word has length 314 [2020-10-24 00:17:10,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:17:10,917 INFO L481 AbstractCegarLoop]: Abstraction has 1401 states and 1539 transitions. [2020-10-24 00:17:10,917 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-24 00:17:10,918 INFO L276 IsEmpty]: Start isEmpty. Operand 1401 states and 1539 transitions. [2020-10-24 00:17:10,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2020-10-24 00:17:10,925 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:17:10,926 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-24 00:17:10,927 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-24 00:17:10,927 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:17:10,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:17:10,927 INFO L82 PathProgramCache]: Analyzing trace with hash -1998667412, now seen corresponding path program 1 times [2020-10-24 00:17:10,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:17:10,928 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [743987763] [2020-10-24 00:17:10,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:17:10,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:11,372 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:17:11,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:11,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:11,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:17:11,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:11,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:17:11,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:11,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:17:11,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:11,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:17:11,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:11,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:17:11,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:11,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:17:11,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:11,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:17:11,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:11,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:17:11,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:11,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:11,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:11,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:11,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:11,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:17:11,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:11,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:11,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:11,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:11,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:11,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:17:11,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:11,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:17:11,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:11,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-24 00:17:11,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:11,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:11,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:11,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-24 00:17:11,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:11,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-10-24 00:17:11,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:11,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:11,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:11,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:11,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:11,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:17:11,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:11,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:17:11,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:11,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:11,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:11,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:17:11,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:11,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:17:11,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:11,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:11,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:11,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-24 00:17:11,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:11,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:11,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:11,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2020-10-24 00:17:11,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:11,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2020-10-24 00:17:11,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:11,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:11,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:11,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:11,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:11,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:17:11,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:11,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:17:11,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:11,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:11,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:11,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:17:11,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:11,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:17:11,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:11,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-24 00:17:11,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:11,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:11,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:11,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2020-10-24 00:17:11,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:11,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2020-10-24 00:17:11,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:11,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2020-10-24 00:17:11,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:11,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:11,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:11,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2020-10-24 00:17:11,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:11,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:11,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:11,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:11,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:11,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:17:11,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:11,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:17:11,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:11,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2020-10-24 00:17:11,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:11,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2020-10-24 00:17:11,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:11,907 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 102 proven. 2 refuted. 0 times theorem prover too weak. 307 trivial. 0 not checked. [2020-10-24 00:17:11,908 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [743987763] [2020-10-24 00:17:11,908 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:17:11,908 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-24 00:17:11,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149179066] [2020-10-24 00:17:11,909 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-24 00:17:11,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:17:11,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-24 00:17:11,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-10-24 00:17:11,910 INFO L87 Difference]: Start difference. First operand 1401 states and 1539 transitions. Second operand 13 states. [2020-10-24 00:17:15,082 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:17:15,505 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:17:15,906 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:17:16,308 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:17:16,722 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:17:17,107 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:17:18,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:17:18,429 INFO L93 Difference]: Finished difference Result 2919 states and 3355 transitions. [2020-10-24 00:17:18,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-24 00:17:18,437 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 493 [2020-10-24 00:17:18,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:17:18,452 INFO L225 Difference]: With dead ends: 2919 [2020-10-24 00:17:18,452 INFO L226 Difference]: Without dead ends: 1776 [2020-10-24 00:17:18,456 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=217, Invalid=539, Unknown=0, NotChecked=0, Total=756 [2020-10-24 00:17:18,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1776 states. [2020-10-24 00:17:19,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1776 to 1425. [2020-10-24 00:17:19,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1425 states. [2020-10-24 00:17:19,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 1425 states and 1563 transitions. [2020-10-24 00:17:19,200 INFO L78 Accepts]: Start accepts. Automaton has 1425 states and 1563 transitions. Word has length 493 [2020-10-24 00:17:19,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:17:19,201 INFO L481 AbstractCegarLoop]: Abstraction has 1425 states and 1563 transitions. [2020-10-24 00:17:19,201 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-24 00:17:19,201 INFO L276 IsEmpty]: Start isEmpty. Operand 1425 states and 1563 transitions. [2020-10-24 00:17:19,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2020-10-24 00:17:19,207 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:17:19,208 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-24 00:17:19,208 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-24 00:17:19,208 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:17:19,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:17:19,209 INFO L82 PathProgramCache]: Analyzing trace with hash 1968569612, now seen corresponding path program 1 times [2020-10-24 00:17:19,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:17:19,209 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2100764046] [2020-10-24 00:17:19,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:17:19,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:19,662 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:17:19,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:19,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:19,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:17:19,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:19,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:17:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:19,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:17:19,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:19,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:17:19,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:19,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:17:19,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:19,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:17:19,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:19,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:17:19,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:19,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:17:19,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:19,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:19,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:19,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:19,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:19,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:17:19,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:19,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:19,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:19,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:19,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:19,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:17:19,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:19,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:17:19,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:19,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-24 00:17:19,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:19,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:19,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:19,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-24 00:17:19,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:19,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-10-24 00:17:19,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:20,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:20,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:20,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:20,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:20,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:17:20,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:20,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:17:20,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:20,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:20,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:20,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:17:20,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:20,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:17:20,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:20,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:20,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:20,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-24 00:17:20,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:20,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:20,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:20,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2020-10-24 00:17:20,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:20,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2020-10-24 00:17:20,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:20,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:20,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:20,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:20,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:20,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:17:20,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:20,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:17:20,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:20,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:20,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:20,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:17:20,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:20,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:17:20,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:20,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-24 00:17:20,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:20,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:20,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:20,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2020-10-24 00:17:20,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:20,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2020-10-24 00:17:20,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:20,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2020-10-24 00:17:20,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:20,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:20,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:20,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2020-10-24 00:17:20,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:20,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:20,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:20,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:20,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:20,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:17:20,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:20,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:17:20,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:20,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2020-10-24 00:17:20,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:20,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2020-10-24 00:17:20,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:20,360 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 125 proven. 38 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2020-10-24 00:17:20,360 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2100764046] [2020-10-24 00:17:20,360 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:17:20,360 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-24 00:17:20,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719049138] [2020-10-24 00:17:20,361 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-24 00:17:20,362 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:17:20,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-24 00:17:20,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-10-24 00:17:20,362 INFO L87 Difference]: Start difference. First operand 1425 states and 1563 transitions. Second operand 17 states. [2020-10-24 00:17:22,876 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:17:23,301 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:17:23,715 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:17:24,173 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:17:24,622 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:17:25,059 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:17:28,111 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:17:28,551 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:17:30,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:17:30,956 INFO L93 Difference]: Finished difference Result 4142 states and 4906 transitions. [2020-10-24 00:17:30,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-10-24 00:17:30,957 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 493 [2020-10-24 00:17:30,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:17:30,973 INFO L225 Difference]: With dead ends: 4142 [2020-10-24 00:17:30,973 INFO L226 Difference]: Without dead ends: 2642 [2020-10-24 00:17:30,979 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 114 SyntacticMatches, 4 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 511 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=505, Invalid=1751, Unknown=0, NotChecked=0, Total=2256 [2020-10-24 00:17:30,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2642 states. [2020-10-24 00:17:31,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2642 to 1823. [2020-10-24 00:17:31,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1823 states. [2020-10-24 00:17:31,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1823 states to 1823 states and 2033 transitions. [2020-10-24 00:17:31,811 INFO L78 Accepts]: Start accepts. Automaton has 1823 states and 2033 transitions. Word has length 493 [2020-10-24 00:17:31,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:17:31,812 INFO L481 AbstractCegarLoop]: Abstraction has 1823 states and 2033 transitions. [2020-10-24 00:17:31,812 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-24 00:17:31,812 INFO L276 IsEmpty]: Start isEmpty. Operand 1823 states and 2033 transitions. [2020-10-24 00:17:31,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2020-10-24 00:17:31,819 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:17:31,820 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, 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] [2020-10-24 00:17:31,820 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-24 00:17:31,820 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:17:31,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:17:31,821 INFO L82 PathProgramCache]: Analyzing trace with hash 323595735, now seen corresponding path program 1 times [2020-10-24 00:17:31,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:17:31,821 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1927131522] [2020-10-24 00:17:31,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:17:31,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:32,341 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:17:32,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:32,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:32,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:17:32,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:32,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:17:32,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:32,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:17:32,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:32,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:17:32,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:32,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:17:32,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:32,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:17:32,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:32,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:17:32,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:32,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:17:32,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:32,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:32,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:32,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:32,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:32,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:17:32,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:32,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:32,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:32,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:32,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:32,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:17:32,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:32,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:17:32,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:32,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-24 00:17:32,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:32,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:32,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:32,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-24 00:17:32,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:32,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-10-24 00:17:32,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:32,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:32,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:32,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:32,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:32,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:17:32,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:32,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:17:32,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:32,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:32,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:32,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:17:32,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:32,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:17:32,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:32,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:32,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:32,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-24 00:17:32,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:32,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:32,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:32,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:17:32,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:32,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2020-10-24 00:17:32,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:32,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2020-10-24 00:17:32,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:32,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:32,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:32,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:32,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:32,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:17:32,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:32,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:17:32,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:32,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:32,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:32,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:17:32,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:32,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:17:32,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:32,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-24 00:17:32,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:32,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:32,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:32,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2020-10-24 00:17:32,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:32,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2020-10-24 00:17:32,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:32,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:32,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:32,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2020-10-24 00:17:32,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:32,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:32,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:32,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:32,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:32,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:17:32,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:32,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:17:32,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:32,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2020-10-24 00:17:32,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:32,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2020-10-24 00:17:32,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:32,946 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 133 proven. 39 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2020-10-24 00:17:32,946 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1927131522] [2020-10-24 00:17:32,946 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:17:32,947 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-24 00:17:32,947 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390972416] [2020-10-24 00:17:32,948 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-24 00:17:32,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:17:32,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-24 00:17:32,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2020-10-24 00:17:32,949 INFO L87 Difference]: Start difference. First operand 1823 states and 2033 transitions. Second operand 19 states. [2020-10-24 00:17:33,773 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:17:34,326 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:17:34,769 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:17:35,201 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:17:35,631 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:17:36,048 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:17:37,449 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:17:37,869 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:17:39,206 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:17:39,884 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:17:40,394 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:17:40,914 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:17:42,361 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:17:42,780 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:17:44,134 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:17:44,560 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:17:45,028 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:17:47,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:17:47,079 INFO L93 Difference]: Finished difference Result 3831 states and 4485 transitions. [2020-10-24 00:17:47,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-10-24 00:17:47,082 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 499 [2020-10-24 00:17:47,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:17:47,094 INFO L225 Difference]: With dead ends: 3831 [2020-10-24 00:17:47,094 INFO L226 Difference]: Without dead ends: 2266 [2020-10-24 00:17:47,100 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 841 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=645, Invalid=2661, Unknown=0, NotChecked=0, Total=3306 [2020-10-24 00:17:47,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2266 states. [2020-10-24 00:17:48,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2266 to 1751. [2020-10-24 00:17:48,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1751 states. [2020-10-24 00:17:48,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1751 states to 1751 states and 1934 transitions. [2020-10-24 00:17:48,116 INFO L78 Accepts]: Start accepts. Automaton has 1751 states and 1934 transitions. Word has length 499 [2020-10-24 00:17:48,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:17:48,117 INFO L481 AbstractCegarLoop]: Abstraction has 1751 states and 1934 transitions. [2020-10-24 00:17:48,117 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-24 00:17:48,117 INFO L276 IsEmpty]: Start isEmpty. Operand 1751 states and 1934 transitions. [2020-10-24 00:17:48,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2020-10-24 00:17:48,125 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:17:48,125 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, 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] [2020-10-24 00:17:48,125 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-24 00:17:48,126 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:17:48,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:17:48,126 INFO L82 PathProgramCache]: Analyzing trace with hash -472467744, now seen corresponding path program 1 times [2020-10-24 00:17:48,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:17:48,126 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [772108553] [2020-10-24 00:17:48,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:17:48,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:48,548 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:17:48,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:48,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:48,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:17:48,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:48,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:17:48,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:48,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:17:48,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:48,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:17:48,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:48,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:17:48,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:48,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:17:48,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:48,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:17:48,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:48,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:17:48,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:48,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:48,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:48,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:48,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:48,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:17:48,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:48,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:48,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:48,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:48,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:48,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:17:48,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:48,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:17:48,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:48,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-24 00:17:48,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:48,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:48,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:48,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-24 00:17:48,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:48,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-10-24 00:17:48,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:48,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:48,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:48,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:48,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:48,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:17:48,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:48,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:17:48,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:48,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:48,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:48,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:17:48,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:48,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:17:48,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:48,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:48,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:48,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-24 00:17:48,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:48,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:48,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:48,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:17:48,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:48,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2020-10-24 00:17:48,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:48,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2020-10-24 00:17:48,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:48,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:48,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:48,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:48,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:48,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:17:48,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:49,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:17:49,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:49,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:49,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:49,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:17:49,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:49,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:17:49,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:49,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-24 00:17:49,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:49,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:49,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:49,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2020-10-24 00:17:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:49,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2020-10-24 00:17:49,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:49,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:17:49,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:49,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2020-10-24 00:17:49,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:49,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:49,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:49,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:17:49,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:49,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:17:49,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:49,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:17:49,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:49,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2020-10-24 00:17:49,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:49,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2020-10-24 00:17:49,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:17:49,350 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 143 proven. 37 refuted. 0 times theorem prover too weak. 257 trivial. 0 not checked. [2020-10-24 00:17:49,350 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [772108553] [2020-10-24 00:17:49,350 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:17:49,351 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-24 00:17:49,351 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184162661] [2020-10-24 00:17:49,352 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-24 00:17:49,352 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:17:49,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-24 00:17:49,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-10-24 00:17:49,352 INFO L87 Difference]: Start difference. First operand 1751 states and 1934 transitions. Second operand 18 states. [2020-10-24 00:17:50,146 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:17:52,889 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:17:53,332 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:17:54,132 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-10-24 00:17:54,571 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:17:55,357 WARN L193 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-10-24 00:17:55,777 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:17:56,535 WARN L193 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-10-24 00:17:56,968 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:17:57,400 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:17:57,830 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:17:58,223 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:18:00,691 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:18:01,171 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:18:03,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:18:03,999 INFO L93 Difference]: Finished difference Result 3962 states and 4672 transitions. [2020-10-24 00:18:04,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2020-10-24 00:18:04,000 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 500 [2020-10-24 00:18:04,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:18:04,016 INFO L225 Difference]: With dead ends: 3962 [2020-10-24 00:18:04,016 INFO L226 Difference]: Without dead ends: 2940 [2020-10-24 00:18:04,021 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 125 SyntacticMatches, 6 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1098 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=761, Invalid=3271, Unknown=0, NotChecked=0, Total=4032 [2020-10-24 00:18:04,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2940 states. [2020-10-24 00:18:05,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2940 to 2154. [2020-10-24 00:18:05,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2154 states. [2020-10-24 00:18:05,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2154 states to 2154 states and 2369 transitions. [2020-10-24 00:18:05,115 INFO L78 Accepts]: Start accepts. Automaton has 2154 states and 2369 transitions. Word has length 500 [2020-10-24 00:18:05,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:18:05,116 INFO L481 AbstractCegarLoop]: Abstraction has 2154 states and 2369 transitions. [2020-10-24 00:18:05,116 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-24 00:18:05,116 INFO L276 IsEmpty]: Start isEmpty. Operand 2154 states and 2369 transitions. [2020-10-24 00:18:05,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 516 [2020-10-24 00:18:05,123 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:18:05,123 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:18:05,124 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-24 00:18:05,124 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:18:05,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:18:05,124 INFO L82 PathProgramCache]: Analyzing trace with hash 978143417, now seen corresponding path program 1 times [2020-10-24 00:18:05,124 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:18:05,125 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1819869024] [2020-10-24 00:18:05,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:18:05,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:05,595 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:18:05,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:05,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:05,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:18:05,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:05,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:18:05,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:05,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:18:05,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:05,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:18:05,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:05,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:18:05,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:05,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:18:05,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:05,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:18:05,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:05,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:18:05,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:05,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:05,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:05,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:05,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:05,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:18:05,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:05,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:05,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:05,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:05,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:05,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:18:05,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:05,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:18:05,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:05,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-24 00:18:05,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:05,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:05,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:05,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-24 00:18:05,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:05,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-10-24 00:18:05,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:05,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:05,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:05,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:05,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:05,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:18:05,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:05,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:18:05,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:05,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:05,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:05,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:18:05,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:05,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:18:05,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:05,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:05,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:05,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-24 00:18:05,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:05,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:05,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:05,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:18:05,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:05,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2020-10-24 00:18:05,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:05,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2020-10-24 00:18:05,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:05,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:05,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:05,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:05,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:05,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:18:05,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:05,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:18:05,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:05,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:05,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:05,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:18:05,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:05,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:18:05,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:05,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-24 00:18:05,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:05,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:05,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:05,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:18:05,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:06,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2020-10-24 00:18:06,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:06,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2020-10-24 00:18:06,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:06,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2020-10-24 00:18:06,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:06,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:06,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:06,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2020-10-24 00:18:06,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:06,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:06,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:06,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:06,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:06,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:18:06,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:06,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:18:06,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:06,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2020-10-24 00:18:06,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:06,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2020-10-24 00:18:06,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:06,326 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 132 proven. 66 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2020-10-24 00:18:06,326 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1819869024] [2020-10-24 00:18:06,327 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:18:06,327 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-24 00:18:06,327 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708198127] [2020-10-24 00:18:06,328 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-24 00:18:06,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:18:06,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-24 00:18:06,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2020-10-24 00:18:06,329 INFO L87 Difference]: Start difference. First operand 2154 states and 2369 transitions. Second operand 18 states. [2020-10-24 00:18:07,202 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:18:09,250 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:18:10,449 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:18:10,932 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:18:11,757 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-10-24 00:18:12,191 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:18:13,009 WARN L193 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 211 [2020-10-24 00:18:13,445 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:18:14,222 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-10-24 00:18:15,071 WARN L193 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 212 [2020-10-24 00:18:15,929 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 215 [2020-10-24 00:18:16,729 WARN L193 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 212 [2020-10-24 00:18:17,122 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:18:19,787 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:18:20,236 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:18:21,214 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:18:22,519 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:18:22,998 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:18:23,784 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:18:24,184 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:18:24,964 WARN L193 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-10-24 00:18:25,362 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:18:26,099 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:18:26,522 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:18:27,000 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-24 00:18:27,409 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:18:32,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:18:32,058 INFO L93 Difference]: Finished difference Result 5342 states and 6346 transitions. [2020-10-24 00:18:32,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2020-10-24 00:18:32,059 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 515 [2020-10-24 00:18:32,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:18:32,079 INFO L225 Difference]: With dead ends: 5342 [2020-10-24 00:18:32,079 INFO L226 Difference]: Without dead ends: 4088 [2020-10-24 00:18:32,087 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 144 SyntacticMatches, 7 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3211 ImplicationChecksByTransitivity, 15.9s TimeCoverageRelationStatistics Valid=1612, Invalid=7700, Unknown=0, NotChecked=0, Total=9312 [2020-10-24 00:18:32,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4088 states. [2020-10-24 00:18:33,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4088 to 2713. [2020-10-24 00:18:33,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2713 states. [2020-10-24 00:18:33,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2713 states to 2713 states and 2977 transitions. [2020-10-24 00:18:33,313 INFO L78 Accepts]: Start accepts. Automaton has 2713 states and 2977 transitions. Word has length 515 [2020-10-24 00:18:33,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:18:33,314 INFO L481 AbstractCegarLoop]: Abstraction has 2713 states and 2977 transitions. [2020-10-24 00:18:33,314 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-24 00:18:33,314 INFO L276 IsEmpty]: Start isEmpty. Operand 2713 states and 2977 transitions. [2020-10-24 00:18:33,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 608 [2020-10-24 00:18:33,325 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:18:33,326 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2020-10-24 00:18:33,326 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-24 00:18:33,326 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:18:33,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:18:33,327 INFO L82 PathProgramCache]: Analyzing trace with hash -1129465990, now seen corresponding path program 2 times [2020-10-24 00:18:33,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:18:33,327 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2009021120] [2020-10-24 00:18:33,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:18:33,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:33,768 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:18:33,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:33,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:33,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:18:33,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:33,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:18:33,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:33,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:18:33,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:33,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:18:33,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:33,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:18:33,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:33,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:18:33,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:33,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:18:33,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:33,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:18:33,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:33,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:33,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:33,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:33,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:33,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:18:33,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:33,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:33,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:33,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:33,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:33,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:18:33,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:33,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:18:33,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:33,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-24 00:18:33,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:33,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:33,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:34,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-24 00:18:34,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:34,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-10-24 00:18:34,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:34,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:34,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:34,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:34,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:34,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:18:34,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:34,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:18:34,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:34,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:34,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:34,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:18:34,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:34,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:18:34,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:34,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:34,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:34,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-24 00:18:34,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:34,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:34,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:34,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:18:34,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:34,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2020-10-24 00:18:34,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:34,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2020-10-24 00:18:34,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:34,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2020-10-24 00:18:34,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:34,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:34,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:34,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:34,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:34,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:18:34,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:34,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:18:34,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:34,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:34,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:34,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:18:34,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:34,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:18:34,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:34,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:34,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:34,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-24 00:18:34,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:34,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:34,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:34,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:18:34,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:34,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2020-10-24 00:18:34,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:34,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2020-10-24 00:18:34,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:34,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:34,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:34,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:34,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:34,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:18:34,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:34,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:18:34,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:34,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:34,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:34,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:18:34,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:34,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:18:34,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:34,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-24 00:18:34,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:34,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:34,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:34,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2020-10-24 00:18:34,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:34,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2020-10-24 00:18:34,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:34,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:34,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:34,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2020-10-24 00:18:34,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:34,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:34,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:34,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:34,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:34,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:18:34,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:34,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:18:34,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:34,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2020-10-24 00:18:34,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:34,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2020-10-24 00:18:34,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:34,639 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 220 proven. 66 refuted. 0 times theorem prover too weak. 500 trivial. 0 not checked. [2020-10-24 00:18:34,639 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2009021120] [2020-10-24 00:18:34,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:18:34,640 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-24 00:18:34,640 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536648026] [2020-10-24 00:18:34,641 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-24 00:18:34,641 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:18:34,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-24 00:18:34,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2020-10-24 00:18:34,642 INFO L87 Difference]: Start difference. First operand 2713 states and 2977 transitions. Second operand 19 states. [2020-10-24 00:18:35,547 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:18:36,768 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:18:37,996 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:18:39,061 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:18:39,487 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:18:40,250 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-10-24 00:18:40,686 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:18:41,433 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-10-24 00:18:41,843 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:18:42,566 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-10-24 00:18:46,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:18:46,766 INFO L93 Difference]: Finished difference Result 5212 states and 6020 transitions. [2020-10-24 00:18:46,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-10-24 00:18:46,767 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 607 [2020-10-24 00:18:46,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:18:46,791 INFO L225 Difference]: With dead ends: 5212 [2020-10-24 00:18:46,791 INFO L226 Difference]: Without dead ends: 3427 [2020-10-24 00:18:46,798 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 153 SyntacticMatches, 8 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 958 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=730, Invalid=2692, Unknown=0, NotChecked=0, Total=3422 [2020-10-24 00:18:46,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3427 states. [2020-10-24 00:18:47,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3427 to 2543. [2020-10-24 00:18:47,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2543 states. [2020-10-24 00:18:47,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2543 states to 2543 states and 2760 transitions. [2020-10-24 00:18:47,944 INFO L78 Accepts]: Start accepts. Automaton has 2543 states and 2760 transitions. Word has length 607 [2020-10-24 00:18:47,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:18:47,945 INFO L481 AbstractCegarLoop]: Abstraction has 2543 states and 2760 transitions. [2020-10-24 00:18:47,945 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-24 00:18:47,945 INFO L276 IsEmpty]: Start isEmpty. Operand 2543 states and 2760 transitions. [2020-10-24 00:18:47,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 618 [2020-10-24 00:18:47,954 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:18:47,955 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:18:47,955 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-24 00:18:47,955 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:18:47,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:18:47,956 INFO L82 PathProgramCache]: Analyzing trace with hash 731788688, now seen corresponding path program 1 times [2020-10-24 00:18:47,956 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:18:47,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [363709459] [2020-10-24 00:18:47,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:18:48,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:48,457 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:18:48,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:48,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:48,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:18:48,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:48,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:18:48,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:48,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:18:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:48,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:18:48,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:48,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:18:48,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:48,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:18:48,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:48,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:18:48,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:48,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:18:48,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:48,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:48,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:48,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:48,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:48,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:18:48,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:48,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:48,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:48,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:48,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:48,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:18:48,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:48,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:18:48,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:48,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-24 00:18:48,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:48,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:48,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:48,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-24 00:18:48,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:48,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-10-24 00:18:48,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:48,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:48,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:48,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:48,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:48,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:18:48,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:48,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:18:48,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:48,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:48,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:48,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:18:48,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:48,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:18:48,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:48,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:48,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:48,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-24 00:18:48,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:48,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:48,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:48,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:18:48,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:48,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2020-10-24 00:18:48,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:48,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2020-10-24 00:18:48,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:48,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:48,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:48,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:48,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:48,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:18:48,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:48,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:18:48,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:48,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:48,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:49,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:18:49,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:49,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:18:49,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:49,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-24 00:18:49,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:49,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:49,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:49,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:18:49,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:49,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2020-10-24 00:18:49,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:49,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2020-10-24 00:18:49,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:49,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2020-10-24 00:18:49,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:49,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:49,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:49,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:49,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:49,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:18:49,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:49,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:49,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:49,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:49,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:49,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:18:49,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:49,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:18:49,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:49,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-24 00:18:49,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:49,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:49,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:49,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:18:49,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:49,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2020-10-24 00:18:49,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:49,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2020-10-24 00:18:49,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:49,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2020-10-24 00:18:49,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:49,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:18:49,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:49,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 552 [2020-10-24 00:18:49,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:49,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:49,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:49,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:18:49,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:49,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:18:49,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:49,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:18:49,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:49,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2020-10-24 00:18:49,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:49,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 603 [2020-10-24 00:18:49,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:18:49,551 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 224 proven. 73 refuted. 0 times theorem prover too weak. 539 trivial. 0 not checked. [2020-10-24 00:18:49,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [363709459] [2020-10-24 00:18:49,551 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:18:49,552 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-24 00:18:49,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002806282] [2020-10-24 00:18:49,552 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-24 00:18:49,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:18:49,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-24 00:18:49,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2020-10-24 00:18:49,553 INFO L87 Difference]: Start difference. First operand 2543 states and 2760 transitions. Second operand 24 states. [2020-10-24 00:18:50,397 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:18:53,280 WARN L193 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 207 [2020-10-24 00:18:54,738 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:18:55,195 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-24 00:18:56,036 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 212 [2020-10-24 00:18:56,830 WARN L193 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 210 [2020-10-24 00:18:57,657 WARN L193 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 214 [2020-10-24 00:18:58,484 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 213 [2020-10-24 00:18:59,263 WARN L193 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 212 [2020-10-24 00:19:00,071 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 211 [2020-10-24 00:19:00,918 WARN L193 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 214 [2020-10-24 00:19:01,704 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 211 [2020-10-24 00:19:02,458 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 207 [2020-10-24 00:19:04,611 WARN L193 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 208 [2020-10-24 00:19:05,587 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 211 [2020-10-24 00:19:06,445 WARN L193 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 213 [2020-10-24 00:19:08,301 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 210 [2020-10-24 00:19:09,140 WARN L193 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 213 [2020-10-24 00:19:09,962 WARN L193 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2020-10-24 00:19:10,799 WARN L193 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 214 [2020-10-24 00:19:11,644 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 210 [2020-10-24 00:19:12,495 WARN L193 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 212 [2020-10-24 00:19:13,284 WARN L193 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 210 [2020-10-24 00:19:14,818 WARN L193 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2020-10-24 00:19:15,202 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:19:15,801 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-24 00:19:16,259 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-24 00:19:16,713 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:19:17,144 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-24 00:19:17,574 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-24 00:19:18,042 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2020-10-24 00:19:18,454 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:19:18,899 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:19:19,345 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-24 00:19:19,761 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:19:20,159 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:19:21,529 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:19:22,323 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2020-10-24 00:19:22,747 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:19:23,551 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 213 [2020-10-24 00:19:24,350 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-10-24 00:19:25,165 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 215 [2020-10-24 00:19:25,606 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:19:26,397 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 211 [2020-10-24 00:19:26,817 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:19:27,670 WARN L193 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 220 [2020-10-24 00:19:28,427 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-10-24 00:19:29,228 WARN L193 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 215 [2020-10-24 00:19:29,711 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:19:30,192 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-24 00:19:30,633 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:19:34,853 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 212 [2020-10-24 00:19:35,709 WARN L193 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 214 [2020-10-24 00:19:39,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:19:39,069 INFO L93 Difference]: Finished difference Result 6308 states and 7219 transitions. [2020-10-24 00:19:39,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2020-10-24 00:19:39,075 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 617 [2020-10-24 00:19:39,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:19:39,092 INFO L225 Difference]: With dead ends: 6308 [2020-10-24 00:19:39,092 INFO L226 Difference]: Without dead ends: 4071 [2020-10-24 00:19:39,103 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 166 SyntacticMatches, 5 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6182 ImplicationChecksByTransitivity, 35.9s TimeCoverageRelationStatistics Valid=2815, Invalid=14477, Unknown=0, NotChecked=0, Total=17292 [2020-10-24 00:19:39,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4071 states. [2020-10-24 00:19:40,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4071 to 2730. [2020-10-24 00:19:40,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2730 states. [2020-10-24 00:19:40,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2730 states to 2730 states and 2949 transitions. [2020-10-24 00:19:40,478 INFO L78 Accepts]: Start accepts. Automaton has 2730 states and 2949 transitions. Word has length 617 [2020-10-24 00:19:40,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:19:40,478 INFO L481 AbstractCegarLoop]: Abstraction has 2730 states and 2949 transitions. [2020-10-24 00:19:40,478 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-24 00:19:40,479 INFO L276 IsEmpty]: Start isEmpty. Operand 2730 states and 2949 transitions. [2020-10-24 00:19:40,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 623 [2020-10-24 00:19:40,488 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:19:40,489 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:19:40,489 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-24 00:19:40,489 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:19:40,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:19:40,490 INFO L82 PathProgramCache]: Analyzing trace with hash 1784004831, now seen corresponding path program 2 times [2020-10-24 00:19:40,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:19:40,490 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1425417139] [2020-10-24 00:19:40,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:19:40,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,005 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:19:41,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:41,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:19:41,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:19:41,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:19:41,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:19:41,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:19:41,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:19:41,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:19:41,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:19:41,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:41,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:41,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:19:41,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:41,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:41,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:19:41,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:19:41,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-24 00:19:41,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:41,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-24 00:19:41,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-10-24 00:19:41,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:41,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:41,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:19:41,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:19:41,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:41,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:19:41,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:19:41,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:41,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-24 00:19:41,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:41,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:19:41,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2020-10-24 00:19:41,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2020-10-24 00:19:41,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2020-10-24 00:19:41,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:41,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:41,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:19:41,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:19:41,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:41,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:19:41,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:19:41,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:41,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-24 00:19:41,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:41,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:19:41,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2020-10-24 00:19:41,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2020-10-24 00:19:41,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:41,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:41,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:19:41,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:19:41,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:41,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:19:41,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:19:41,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-24 00:19:41,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:41,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:19:41,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2020-10-24 00:19:41,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2020-10-24 00:19:41,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2020-10-24 00:19:41,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:19:41,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2020-10-24 00:19:41,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:41,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:19:41,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:19:41,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:19:41,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2020-10-24 00:19:41,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2020-10-24 00:19:41,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:19:41,837 INFO L134 CoverageAnalysis]: Checked inductivity of 851 backedges. 201 proven. 100 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked. [2020-10-24 00:19:41,837 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1425417139] [2020-10-24 00:19:41,837 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:19:41,838 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-24 00:19:41,838 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506504148] [2020-10-24 00:19:41,838 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-24 00:19:41,838 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:19:41,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-24 00:19:41,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2020-10-24 00:19:41,839 INFO L87 Difference]: Start difference. First operand 2730 states and 2949 transitions. Second operand 19 states. [2020-10-24 00:19:42,596 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:19:43,813 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:19:45,066 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:19:46,243 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:19:46,670 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:19:47,461 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-10-24 00:19:47,868 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:19:48,646 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 211 [2020-10-24 00:19:49,053 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:19:49,797 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-10-24 00:19:52,669 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:19:53,612 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:19:54,037 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:19:54,816 WARN L193 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:19:55,612 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-10-24 00:19:56,357 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:20:00,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:20:00,607 INFO L93 Difference]: Finished difference Result 6020 states and 6899 transitions. [2020-10-24 00:20:00,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2020-10-24 00:20:00,608 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 622 [2020-10-24 00:20:00,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:20:00,627 INFO L225 Difference]: With dead ends: 6020 [2020-10-24 00:20:00,627 INFO L226 Difference]: Without dead ends: 4228 [2020-10-24 00:20:00,634 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 168 SyntacticMatches, 9 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2030 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=1329, Invalid=4991, Unknown=0, NotChecked=0, Total=6320 [2020-10-24 00:20:00,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4228 states. [2020-10-24 00:20:02,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4228 to 2971. [2020-10-24 00:20:02,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2971 states. [2020-10-24 00:20:02,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2971 states to 2971 states and 3211 transitions. [2020-10-24 00:20:02,156 INFO L78 Accepts]: Start accepts. Automaton has 2971 states and 3211 transitions. Word has length 622 [2020-10-24 00:20:02,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:20:02,157 INFO L481 AbstractCegarLoop]: Abstraction has 2971 states and 3211 transitions. [2020-10-24 00:20:02,157 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-24 00:20:02,157 INFO L276 IsEmpty]: Start isEmpty. Operand 2971 states and 3211 transitions. [2020-10-24 00:20:02,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 724 [2020-10-24 00:20:02,168 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:20:02,169 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:20:02,169 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-24 00:20:02,169 INFO L429 AbstractCegarLoop]: === Iteration 19 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:20:02,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:20:02,170 INFO L82 PathProgramCache]: Analyzing trace with hash -945138981, now seen corresponding path program 1 times [2020-10-24 00:20:02,170 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:20:02,170 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1938702079] [2020-10-24 00:20:02,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:20:02,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,621 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:20:02,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:20:02,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:20:02,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:20:02,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:20:02,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:20:02,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:20:02,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:20:02,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:20:02,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:20:02,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:20:02,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:20:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:20:02,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:02,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:02,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:20:02,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:20:02,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-24 00:20:02,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:02,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-24 00:20:02,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-10-24 00:20:02,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:20:02,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:20:02,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:20:02,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:20:02,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:02,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:20:02,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:20:02,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:02,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-24 00:20:02,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:02,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:20:02,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2020-10-24 00:20:02,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2020-10-24 00:20:02,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:20:02,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:20:02,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:20:02,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:20:02,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:02,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:20:02,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:20:02,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:02,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-24 00:20:02,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:02,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:20:02,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2020-10-24 00:20:02,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2020-10-24 00:20:02,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2020-10-24 00:20:02,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:20:02,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:20:02,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:20:02,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-24 00:20:02,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:02,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:20:02,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:20:02,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:20:02,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:02,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:20:02,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2020-10-24 00:20:02,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2020-10-24 00:20:02,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2020-10-24 00:20:02,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:20:02,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:20:02,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:20:02,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:02,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:02,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:20:02,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:20:02,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-24 00:20:02,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:02,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:20:02,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 626 [2020-10-24 00:20:02,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 639 [2020-10-24 00:20:02,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 644 [2020-10-24 00:20:02,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:20:02,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 658 [2020-10-24 00:20:02,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:02,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:02,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:20:02,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:20:02,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 699 [2020-10-24 00:20:02,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:02,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2020-10-24 00:20:02,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:03,460 INFO L134 CoverageAnalysis]: Checked inductivity of 1289 backedges. 296 proven. 24 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2020-10-24 00:20:03,460 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1938702079] [2020-10-24 00:20:03,460 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:20:03,461 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-24 00:20:03,461 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408036891] [2020-10-24 00:20:03,463 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-24 00:20:03,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:20:03,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-24 00:20:03,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-10-24 00:20:03,464 INFO L87 Difference]: Start difference. First operand 2971 states and 3211 transitions. Second operand 12 states. [2020-10-24 00:20:04,229 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:20:06,970 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:20:09,235 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:20:11,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:20:11,500 INFO L93 Difference]: Finished difference Result 5707 states and 6439 transitions. [2020-10-24 00:20:11,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-24 00:20:11,501 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 723 [2020-10-24 00:20:11,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:20:11,516 INFO L225 Difference]: With dead ends: 5707 [2020-10-24 00:20:11,517 INFO L226 Difference]: Without dead ends: 3712 [2020-10-24 00:20:11,522 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 171 SyntacticMatches, 2 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 454 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=367, Invalid=1355, Unknown=0, NotChecked=0, Total=1722 [2020-10-24 00:20:11,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3712 states. [2020-10-24 00:20:13,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3712 to 2933. [2020-10-24 00:20:13,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2933 states. [2020-10-24 00:20:13,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2933 states to 2933 states and 3155 transitions. [2020-10-24 00:20:13,079 INFO L78 Accepts]: Start accepts. Automaton has 2933 states and 3155 transitions. Word has length 723 [2020-10-24 00:20:13,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:20:13,080 INFO L481 AbstractCegarLoop]: Abstraction has 2933 states and 3155 transitions. [2020-10-24 00:20:13,080 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-24 00:20:13,080 INFO L276 IsEmpty]: Start isEmpty. Operand 2933 states and 3155 transitions. [2020-10-24 00:20:13,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 725 [2020-10-24 00:20:13,086 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:20:13,086 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:20:13,086 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-24 00:20:13,087 INFO L429 AbstractCegarLoop]: === Iteration 20 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:20:13,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:20:13,087 INFO L82 PathProgramCache]: Analyzing trace with hash -620678858, now seen corresponding path program 2 times [2020-10-24 00:20:13,087 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:20:13,087 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1841716926] [2020-10-24 00:20:13,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:20:13,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:13,559 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:20:13,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:20:13,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:13,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:20:13,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:13,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:20:13,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:13,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:20:13,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:13,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:20:13,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:13,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:20:13,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:13,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:20:13,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:13,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:20:13,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:13,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:20:13,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:13,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:20:13,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:13,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:20:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:13,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:20:13,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:13,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:13,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:13,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:13,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:13,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:20:13,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:13,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:20:13,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:13,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-24 00:20:13,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:13,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:13,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:13,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-24 00:20:13,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:13,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-10-24 00:20:13,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:13,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:20:13,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:13,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:20:13,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:13,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:20:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:13,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:20:13,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:13,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:13,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:13,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:20:13,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:13,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:20:13,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:13,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:13,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:13,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-24 00:20:13,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:13,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:13,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:13,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:20:13,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:13,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2020-10-24 00:20:13,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:13,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2020-10-24 00:20:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:13,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2020-10-24 00:20:13,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:13,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:20:13,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:13,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:20:13,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:13,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:20:13,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:13,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:20:13,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:13,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:13,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:13,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:20:13,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:13,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:20:13,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:13,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:13,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-24 00:20:13,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:13,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:13,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:13,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:20:13,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:13,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2020-10-24 00:20:13,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:13,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2020-10-24 00:20:13,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:13,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:20:13,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:13,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:20:13,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:13,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:20:13,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:13,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:20:13,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:13,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:13,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:13,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:20:13,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:14,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:20:14,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:14,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-24 00:20:14,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:14,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:14,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:14,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:20:14,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:14,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2020-10-24 00:20:14,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:14,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2020-10-24 00:20:14,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:14,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2020-10-24 00:20:14,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:14,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:20:14,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:14,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:20:14,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:14,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:20:14,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:14,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:14,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:14,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:14,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:14,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:20:14,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:14,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:20:14,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:14,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-24 00:20:14,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:14,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:14,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:14,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:20:14,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:14,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 627 [2020-10-24 00:20:14,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:14,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 640 [2020-10-24 00:20:14,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:14,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 645 [2020-10-24 00:20:14,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:14,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:20:14,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:14,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2020-10-24 00:20:14,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:14,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:14,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:14,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:20:14,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:14,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:20:14,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:14,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:20:14,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:14,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2020-10-24 00:20:14,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:14,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 710 [2020-10-24 00:20:14,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:20:14,470 INFO L134 CoverageAnalysis]: Checked inductivity of 1291 backedges. 339 proven. 30 refuted. 0 times theorem prover too weak. 922 trivial. 0 not checked. [2020-10-24 00:20:14,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1841716926] [2020-10-24 00:20:14,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:20:14,471 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-24 00:20:14,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289515321] [2020-10-24 00:20:14,472 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-24 00:20:14,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:20:14,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-24 00:20:14,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2020-10-24 00:20:14,472 INFO L87 Difference]: Start difference. First operand 2933 states and 3155 transitions. Second operand 19 states. [2020-10-24 00:20:15,630 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2020-10-24 00:20:16,734 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:20:19,916 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:20:20,730 WARN L193 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:20:21,500 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 211 [2020-10-24 00:20:23,023 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:20:23,547 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-24 00:20:23,987 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-24 00:20:24,464 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:20:24,893 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-24 00:20:25,305 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:20:26,830 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2020-10-24 00:20:28,337 WARN L193 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 217 [2020-10-24 00:20:29,249 WARN L193 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 223 [2020-10-24 00:20:30,067 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 214 [2020-10-24 00:20:30,907 WARN L193 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 217 [2020-10-24 00:20:31,696 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 214 [2020-10-24 00:20:34,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:20:34,088 INFO L93 Difference]: Finished difference Result 4823 states and 5382 transitions. [2020-10-24 00:20:34,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2020-10-24 00:20:34,089 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 724 [2020-10-24 00:20:34,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:20:34,091 INFO L225 Difference]: With dead ends: 4823 [2020-10-24 00:20:34,092 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 00:20:34,103 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 182 SyntacticMatches, 5 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2073 ImplicationChecksByTransitivity, 12.2s TimeCoverageRelationStatistics Valid=1255, Invalid=5387, Unknown=0, NotChecked=0, Total=6642 [2020-10-24 00:20:34,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 00:20:34,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 00:20:34,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 00:20:34,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 00:20:34,104 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 724 [2020-10-24 00:20:34,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:20:34,104 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 00:20:34,104 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-24 00:20:34,104 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 00:20:34,104 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 00:20:34,104 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-24 00:20:34,106 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 00:20:34,396 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 250 [2020-10-24 00:20:34,564 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 250 [2020-10-24 00:20:34,691 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 249 [2020-10-24 00:20:35,216 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-10-24 00:20:35,355 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 245 [2020-10-24 00:20:35,610 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 217 [2020-10-24 00:20:37,084 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 250 [2020-10-24 00:20:37,266 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 250 [2020-10-24 00:20:37,460 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 249 [2020-10-24 00:20:38,146 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 259 [2020-10-24 00:20:38,836 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 270 [2020-10-24 00:20:39,168 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 248 [2020-10-24 00:20:39,843 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-10-24 00:20:40,352 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 230 [2020-10-24 00:20:41,053 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 250 [2020-10-24 00:20:41,218 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 259 [2020-10-24 00:20:41,455 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 258 [2020-10-24 00:20:41,830 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 252 [2020-10-24 00:20:42,395 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 250 [2020-10-24 00:20:42,670 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 253 [2020-10-24 00:20:43,337 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 267 [2020-10-24 00:20:43,928 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 277 [2020-10-24 00:20:45,098 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 281 [2020-10-24 00:20:45,796 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 268 [2020-10-24 00:20:46,798 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 271 [2020-10-24 00:20:52,528 WARN L193 SmtUtils]: Spent 5.70 s on a formula simplification. DAG size of input: 965 DAG size of output: 738 [2020-10-24 00:20:52,679 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 258 [2020-10-24 00:20:52,832 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 257 [2020-10-24 00:20:56,731 WARN L193 SmtUtils]: Spent 3.36 s on a formula simplification. DAG size of input: 819 DAG size of output: 615 [2020-10-24 00:21:03,189 WARN L193 SmtUtils]: Spent 6.45 s on a formula simplification. DAG size of input: 998 DAG size of output: 759 [2020-10-24 00:21:03,314 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 250 [2020-10-24 00:21:04,990 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 281 [2020-10-24 00:21:05,311 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 265 [2020-10-24 00:21:05,450 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 273 [2020-10-24 00:21:05,649 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 276 [2020-10-24 00:21:06,307 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 281 [2020-10-24 00:21:07,158 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 284 [2020-10-24 00:21:07,728 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-10-24 00:21:09,208 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 250 [2020-10-24 00:21:09,718 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-10-24 00:21:16,943 WARN L193 SmtUtils]: Spent 6.76 s on a formula simplification. DAG size of input: 1022 DAG size of output: 816 [2020-10-24 00:21:23,920 WARN L193 SmtUtils]: Spent 6.39 s on a formula simplification. DAG size of input: 991 DAG size of output: 760 [2020-10-24 00:21:25,514 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 267 [2020-10-24 00:21:26,005 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 251 [2020-10-24 00:21:27,110 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 250 [2020-10-24 00:21:28,106 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 250 [2020-10-24 00:21:29,914 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 37 [2020-10-24 00:21:30,025 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 37 [2020-10-24 00:21:30,553 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 250 [2020-10-24 00:21:30,705 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 250 [2020-10-24 00:21:31,311 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-10-24 00:21:31,872 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-10-24 00:21:33,020 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 270 [2020-10-24 00:21:33,302 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 269 [2020-10-24 00:21:33,515 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-10-24 00:21:33,681 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 269 [2020-10-24 00:21:33,893 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-10-24 00:21:34,705 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-10-24 00:21:34,964 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 233 [2020-10-24 00:21:35,089 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 233 [2020-10-24 00:21:35,384 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-10-24 00:21:35,599 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-10-24 00:21:37,192 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-10-24 00:21:37,403 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-10-24 00:21:37,824 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 270 [2020-10-24 00:21:38,040 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 270 [2020-10-24 00:21:38,806 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-10-24 00:21:39,093 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-10-24 00:21:39,574 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 230 [2020-10-24 00:21:39,727 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 230 [2020-10-24 00:21:40,169 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-10-24 00:21:40,381 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-10-24 00:21:40,832 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 259 [2020-10-24 00:21:46,500 WARN L193 SmtUtils]: Spent 5.56 s on a formula simplification. DAG size of input: 965 DAG size of output: 738 [2020-10-24 00:21:46,648 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 250 [2020-10-24 00:21:48,291 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 271 [2020-10-24 00:21:48,757 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 265 [2020-10-24 00:21:49,329 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 258 [2020-10-24 00:21:49,871 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 263 [2020-10-24 00:21:50,357 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 252 [2020-10-24 00:21:52,650 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 271 [2020-10-24 00:21:53,114 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 265 [2020-10-24 00:21:53,683 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 258 [2020-10-24 00:21:54,226 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 263 [2020-10-24 00:21:56,479 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 264 [2020-10-24 00:21:57,250 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 252 [2020-10-24 00:21:58,082 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 250 [2020-10-24 00:22:04,579 WARN L193 SmtUtils]: Spent 6.47 s on a formula simplification. DAG size of input: 998 DAG size of output: 759 [2020-10-24 00:22:11,087 WARN L193 SmtUtils]: Spent 6.48 s on a formula simplification. DAG size of input: 998 DAG size of output: 759 [2020-10-24 00:22:12,452 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 277 [2020-10-24 00:22:13,106 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 250 [2020-10-24 00:22:13,718 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-10-24 00:22:14,187 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 250 [2020-10-24 00:22:17,525 WARN L193 SmtUtils]: Spent 3.33 s on a formula simplification. DAG size of input: 819 DAG size of output: 615 [2020-10-24 00:22:17,791 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 250 [2020-10-24 00:22:18,397 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-10-24 00:22:19,037 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 282 [2020-10-24 00:22:22,758 WARN L193 SmtUtils]: Spent 3.35 s on a formula simplification. DAG size of input: 819 DAG size of output: 615 [2020-10-24 00:22:26,430 WARN L193 SmtUtils]: Spent 3.67 s on a formula simplification. DAG size of input: 715 DAG size of output: 555 [2020-10-24 00:22:26,990 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 270 [2020-10-24 00:22:27,871 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-10-24 00:22:28,343 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 230 [2020-10-24 00:22:28,680 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 250 [2020-10-24 00:22:29,699 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-10-24 00:22:29,914 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-10-24 00:22:30,374 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 233 [2020-10-24 00:22:30,533 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 233 [2020-10-24 00:22:30,834 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-10-24 00:22:31,122 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-10-24 00:22:31,335 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-10-24 00:22:32,425 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 269 [2020-10-24 00:22:32,630 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 269 [2020-10-24 00:22:34,067 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 250 [2020-10-24 00:22:40,952 WARN L193 SmtUtils]: Spent 5.58 s on a formula simplification. DAG size of input: 965 DAG size of output: 738 [2020-10-24 00:22:41,096 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 250 [2020-10-24 00:22:41,514 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 273 [2020-10-24 00:22:42,722 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-10-24 00:22:48,633 WARN L193 SmtUtils]: Spent 5.58 s on a formula simplification. DAG size of input: 965 DAG size of output: 738 [2020-10-24 00:22:48,765 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 273 [2020-10-24 00:22:48,868 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 266 [2020-10-24 00:22:48,978 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 265 [2020-10-24 00:22:49,248 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 276 [2020-10-24 00:22:50,052 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 233 [2020-10-24 00:22:50,447 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 272 [2020-10-24 00:22:50,635 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 263 [2020-10-24 00:22:51,080 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-10-24 00:22:54,623 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 267 [2020-10-24 00:22:55,032 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 250 [2020-10-24 00:22:58,493 WARN L193 SmtUtils]: Spent 3.33 s on a formula simplification. DAG size of input: 819 DAG size of output: 615 [2020-10-24 00:22:58,796 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 258 [2020-10-24 00:22:58,962 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 257 [2020-10-24 00:23:00,504 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 277 [2020-10-24 00:23:04,547 WARN L193 SmtUtils]: Spent 3.36 s on a formula simplification. DAG size of input: 819 DAG size of output: 615 [2020-10-24 00:23:11,066 WARN L193 SmtUtils]: Spent 6.52 s on a formula simplification. DAG size of input: 998 DAG size of output: 759 [2020-10-24 00:23:11,734 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 250 [2020-10-24 00:23:15,674 WARN L193 SmtUtils]: Spent 3.33 s on a formula simplification. DAG size of input: 819 DAG size of output: 615 [2020-10-24 00:23:15,908 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-10-24 00:23:16,124 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-10-24 00:23:16,593 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 233 [2020-10-24 00:23:16,749 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 233 [2020-10-24 00:23:17,047 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-10-24 00:23:17,333 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-10-24 00:23:17,546 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-10-24 00:23:18,641 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 269 [2020-10-24 00:23:18,845 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 269 [2020-10-24 00:23:25,841 WARN L193 SmtUtils]: Spent 6.37 s on a formula simplification. DAG size of input: 991 DAG size of output: 760 [2020-10-24 00:23:25,981 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 264 [2020-10-24 00:23:26,629 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 275 [2020-10-24 00:23:27,719 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 275 [2020-10-24 00:23:28,351 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 258 [2020-10-24 00:23:34,995 WARN L193 SmtUtils]: Spent 6.37 s on a formula simplification. DAG size of input: 991 DAG size of output: 760 [2020-10-24 00:23:35,430 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 255 [2020-10-24 00:23:36,282 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 255 [2020-10-24 00:23:37,242 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 255 [2020-10-24 00:23:37,345 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 255 [2020-10-24 00:23:37,836 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 270 [2020-10-24 00:23:38,205 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-10-24 00:23:38,580 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 230 [2020-10-24 00:23:46,253 WARN L193 SmtUtils]: Spent 6.37 s on a formula simplification. DAG size of input: 991 DAG size of output: 760 [2020-10-24 00:23:46,737 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 250 [2020-10-24 00:23:53,217 WARN L193 SmtUtils]: Spent 6.45 s on a formula simplification. DAG size of input: 998 DAG size of output: 759 [2020-10-24 00:23:58,784 WARN L193 SmtUtils]: Spent 5.53 s on a formula simplification. DAG size of input: 965 DAG size of output: 738 [2020-10-24 00:23:59,377 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 282 [2020-10-24 00:24:00,220 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-10-24 00:24:00,441 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-10-24 00:24:00,909 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 233 [2020-10-24 00:24:01,070 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 233 [2020-10-24 00:24:01,369 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-10-24 00:24:01,656 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-10-24 00:24:01,871 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-10-24 00:24:02,972 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 269 [2020-10-24 00:24:03,193 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 269 [2020-10-24 00:24:03,940 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 284 [2020-10-24 00:24:04,535 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-10-24 00:24:05,363 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 271 [2020-10-24 00:24:05,788 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 251 [2020-10-24 00:24:05,916 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 267 [2020-10-24 00:24:06,514 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 277 [2020-10-24 00:24:07,637 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 281 [2020-10-24 00:24:08,271 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 268 [2020-10-24 00:24:10,810 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 258 DAG size of output: 30 [2020-10-24 00:24:12,209 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 238 DAG size of output: 33 [2020-10-24 00:24:12,834 WARN L193 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 17 [2020-10-24 00:24:13,600 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-10-24 00:24:14,497 WARN L193 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 23 [2020-10-24 00:24:15,425 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 16 [2020-10-24 00:24:15,708 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 1 [2020-10-24 00:24:16,418 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-10-24 00:24:16,576 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-10-24 00:24:18,689 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 393 DAG size of output: 1 [2020-10-24 00:24:19,500 WARN L193 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 18 [2020-10-24 00:24:20,220 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-10-24 00:24:21,371 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 254 DAG size of output: 33 [2020-10-24 00:24:21,962 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 21 [2020-10-24 00:24:22,285 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 16 [2020-10-24 00:24:24,648 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 230 DAG size of output: 34 [2020-10-24 00:24:30,294 WARN L193 SmtUtils]: Spent 5.63 s on a formula simplification. DAG size of input: 443 DAG size of output: 44 [2020-10-24 00:24:31,134 WARN L193 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 24 [2020-10-24 00:24:31,320 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 23 [2020-10-24 00:24:42,432 WARN L193 SmtUtils]: Spent 11.10 s on a formula simplification. DAG size of input: 587 DAG size of output: 36 [2020-10-24 00:24:44,814 WARN L193 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 234 DAG size of output: 34 [2020-10-24 00:24:50,892 WARN L193 SmtUtils]: Spent 6.07 s on a formula simplification. DAG size of input: 473 DAG size of output: 42 [2020-10-24 00:25:03,577 WARN L193 SmtUtils]: Spent 12.68 s on a formula simplification. DAG size of input: 611 DAG size of output: 37 [2020-10-24 00:25:03,838 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 1 [2020-10-24 00:25:05,166 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 225 DAG size of output: 34 [2020-10-24 00:25:05,900 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-10-24 00:25:07,228 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 187 DAG size of output: 30 [2020-10-24 00:25:08,586 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 266 DAG size of output: 33 [2020-10-24 00:25:09,928 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 297 DAG size of output: 29 [2020-10-24 00:25:11,248 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 266 DAG size of output: 33 [2020-10-24 00:25:11,896 WARN L193 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 23 [2020-10-24 00:25:12,701 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 29 [2020-10-24 00:25:13,498 WARN L193 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 29 [2020-10-24 00:25:14,934 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 271 DAG size of output: 35 [2020-10-24 00:25:15,422 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 1 [2020-10-24 00:25:15,917 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 1 [2020-10-24 00:25:17,282 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 213 DAG size of output: 59 [2020-10-24 00:25:17,975 WARN L193 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 17 [2020-10-24 00:25:18,933 WARN L193 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 25 [2020-10-24 00:25:19,427 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 1 [2020-10-24 00:25:20,657 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 230 DAG size of output: 55 [2020-10-24 00:25:20,822 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-10-24 00:25:22,101 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 175 DAG size of output: 23 [2020-10-24 00:25:34,308 WARN L193 SmtUtils]: Spent 12.20 s on a formula simplification. DAG size of input: 694 DAG size of output: 37 [2020-10-24 00:25:35,542 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 229 DAG size of output: 51 [2020-10-24 00:25:36,285 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-10-24 00:25:37,295 WARN L193 SmtUtils]: Spent 988.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 40 [2020-10-24 00:25:49,333 WARN L193 SmtUtils]: Spent 12.03 s on a formula simplification. DAG size of input: 612 DAG size of output: 35 [2020-10-24 00:25:51,436 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 250 DAG size of output: 41 [2020-10-24 00:25:52,231 WARN L193 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 21 [2020-10-24 00:25:54,056 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 243 DAG size of output: 32 [2020-10-24 00:25:54,359 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 1 [2020-10-24 00:25:55,273 WARN L193 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 32 [2020-10-24 00:25:56,116 WARN L193 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 20 [2020-10-24 00:25:56,869 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-10-24 00:25:57,058 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-10-24 00:25:57,704 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 25 [2020-10-24 00:25:58,423 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-10-24 00:25:58,649 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 1 [2020-10-24 00:26:00,326 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 261 DAG size of output: 41 [2020-10-24 00:26:00,547 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 1 [2020-10-24 00:26:01,045 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 1 [2020-10-24 00:26:03,318 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 267 DAG size of output: 28 [2020-10-24 00:26:04,226 WARN L193 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 32 [2020-10-24 00:26:05,019 WARN L193 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 40 [2020-10-24 00:26:06,221 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 255 DAG size of output: 30 [2020-10-24 00:26:09,568 WARN L193 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 369 DAG size of output: 39 [2020-10-24 00:26:12,712 WARN L193 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 384 DAG size of output: 53 [2020-10-24 00:26:23,617 WARN L193 SmtUtils]: Spent 10.89 s on a formula simplification. DAG size of input: 587 DAG size of output: 36 [2020-10-24 00:26:24,381 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 18 [2020-10-24 00:26:24,646 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 1 [2020-10-24 00:26:26,365 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 246 DAG size of output: 38 [2020-10-24 00:26:29,778 WARN L193 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 367 DAG size of output: 45 [2020-10-24 00:26:31,862 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 244 DAG size of output: 35 [2020-10-24 00:26:34,107 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 237 DAG size of output: 38 [2020-10-24 00:26:34,824 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-10-24 00:26:36,762 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 244 DAG size of output: 35 [2020-10-24 00:26:37,571 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 38 [2020-10-24 00:26:39,273 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 236 DAG size of output: 30 [2020-10-24 00:26:40,664 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 220 DAG size of output: 59 [2020-10-24 00:26:43,916 WARN L193 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 367 DAG size of output: 45 [2020-10-24 00:26:44,431 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 1 [2020-10-24 00:26:44,601 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-10-24 00:26:46,291 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 261 DAG size of output: 41 [2020-10-24 00:26:46,447 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-10-24 00:26:48,694 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 255 DAG size of output: 37 [2020-10-24 00:26:50,890 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 237 DAG size of output: 38 [2020-10-24 00:26:51,109 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 15 [2020-10-24 00:27:03,609 WARN L193 SmtUtils]: Spent 12.49 s on a formula simplification. DAG size of input: 611 DAG size of output: 37 [2020-10-24 00:27:04,350 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-10-24 00:27:16,960 WARN L193 SmtUtils]: Spent 12.60 s on a formula simplification. DAG size of input: 611 DAG size of output: 37 [2020-10-24 00:27:18,660 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 236 DAG size of output: 34 [2020-10-24 00:27:18,965 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 1 [2020-10-24 00:27:19,722 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 29 [2020-10-24 00:27:20,483 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 29 [2020-10-24 00:27:22,552 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 275 DAG size of output: 39 [2020-10-24 00:27:23,378 WARN L193 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 16 [2020-10-24 00:27:24,139 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 31 [2020-10-24 00:27:24,646 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 1 [2020-10-24 00:27:25,663 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 221 DAG size of output: 48 [2020-10-24 00:27:26,481 WARN L193 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 16 [2020-10-24 00:27:32,522 WARN L193 SmtUtils]: Spent 6.04 s on a formula simplification. DAG size of input: 473 DAG size of output: 42 [2020-10-24 00:27:33,448 WARN L193 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 20 [2020-10-24 00:27:34,008 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 1 [2020-10-24 00:27:36,294 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 279 DAG size of output: 35 [2020-10-24 00:27:42,097 WARN L193 SmtUtils]: Spent 5.79 s on a formula simplification. DAG size of input: 473 DAG size of output: 42 [2020-10-24 00:27:48,622 WARN L193 SmtUtils]: Spent 6.51 s on a formula simplification. DAG size of input: 441 DAG size of output: 42 [2020-10-24 00:27:50,977 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 393 DAG size of output: 1 [2020-10-24 00:27:51,262 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 1 [2020-10-24 00:27:51,657 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 16 [2020-10-24 00:27:55,024 WARN L193 SmtUtils]: Spent 3.35 s on a formula simplification. DAG size of input: 368 DAG size of output: 40 [2020-10-24 00:27:56,357 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 233 DAG size of output: 31 [2020-10-24 00:27:57,687 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 229 DAG size of output: 51 [2020-10-24 00:27:57,860 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-10-24 00:27:58,077 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 15 [2020-10-24 00:27:59,818 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 236 DAG size of output: 40 [2020-10-24 00:28:01,542 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 239 DAG size of output: 42 [2020-10-24 00:28:12,513 WARN L193 SmtUtils]: Spent 10.97 s on a formula simplification. DAG size of input: 587 DAG size of output: 36 [2020-10-24 00:28:12,719 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 15 [2020-10-24 00:28:13,028 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 1 [2020-10-24 00:28:14,574 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 262 DAG size of output: 35 [2020-10-24 00:28:16,274 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 236 DAG size of output: 40 [2020-10-24 00:28:18,583 WARN L193 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 267 DAG size of output: 28 [2020-10-24 00:28:29,736 WARN L193 SmtUtils]: Spent 11.14 s on a formula simplification. DAG size of input: 587 DAG size of output: 36 [2020-10-24 00:28:31,128 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 292 DAG size of output: 30 [2020-10-24 00:28:32,552 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 244 DAG size of output: 35 [2020-10-24 00:28:35,055 WARN L193 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 292 DAG size of output: 34 [2020-10-24 00:28:35,258 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 23 [2020-10-24 00:28:36,059 WARN L193 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-10-24 00:28:36,594 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 1 [2020-10-24 00:28:38,369 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 254 DAG size of output: 33 [2020-10-24 00:28:40,562 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 250 DAG size of output: 41 [2020-10-24 00:28:41,423 WARN L193 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 20 [2020-10-24 00:28:47,471 WARN L193 SmtUtils]: Spent 6.04 s on a formula simplification. DAG size of input: 473 DAG size of output: 42 [2020-10-24 00:28:47,798 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 1 [2020-10-24 00:28:50,144 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 234 DAG size of output: 34 [2020-10-24 00:28:50,474 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 1